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💻 ThinkPad T14: Gen 6 vs Gen 5 vs Gen 4
ThinkPad T14 Gen 4 vs ThinkPad T14 Gen 5 vs ThinkPad T14 Gen 6 compared across 48 matched specifications — scores, the full spec table and a verdict.
ThinkPad T14 Gen 4
Lenovo
Overall Score
Best kept as a serviceable general-office machine where it is already deployed, but the first T14 to schedule for refresh — its 32 GB DDR5 ceiling, lack of a Copilot+ NPU (none on Intel, 10 TOPS on AMD) and shortest Intel battery life make it the weakest fit for memory-hungry hybrid workers and any AI-PC roadmap.
ThinkPad T14 Gen 5
Lenovo
Overall Score
Best value mid-cycle workhorse for standard UK fleets — full 64 GB DDR5 SO-DIMM upgradeability, RJ-45 Ethernet, DisplayPort 2.1 docking and an optional 2.8K OLED, ideal for developer and hybrid-office issue where Copilot+ is not yet a requirement.
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ThinkPad T14 Gen 6
Lenovo
Overall Score
Best new standard fleet build for hybrid office and developer rollouts — upgradeable 64 GB DDR5 with a 50-TOPS Copilot+ NPU on the AMD builds (Intel Lunar Lake: up to 48 TOPS with soldered memory), built-in Gigabit Ethernet and Wi-Fi 7, giving IT the serviceability and AI-PC longevity that justify a multi-year standardisation.
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ThinkPad T14: performance overview
Scores based on quantifiable specification values (1-10 scale)
ThinkPad T14 Gen 4
ThinkPad T14 Gen 5
ThinkPad T14 Gen 6
Performance
ThinkPad T14 Gen 4
6.8
ThinkPad T14 Gen 5
7.6
ThinkPad T14 Gen 6
8.2
Display
ThinkPad T14 Gen 4
7.4
ThinkPad T14 Gen 5
8.0
ThinkPad T14 Gen 6
8.0
Portability
ThinkPad T14 Gen 4
7.6
ThinkPad T14 Gen 5
7.7
ThinkPad T14 Gen 6
7.5
Battery
ThinkPad T14 Gen 4
6.6
ThinkPad T14 Gen 5
7.4
ThinkPad T14 Gen 6
7.8
Connectivity
ThinkPad T14 Gen 4
7.6
ThinkPad T14 Gen 5
8.0
ThinkPad T14 Gen 6
8.4
Business Value
ThinkPad T14 Gen 4
7.4
ThinkPad T14 Gen 5
8.0
ThinkPad T14 Gen 6
8.4
Detailed Specifications
| Specification | ThinkPad T14 Gen 4 Lenovo | ThinkPad T14 Gen 5 Lenovo | ThinkPad T14 Gen 6 Lenovo |
|---|---|---|---|
| Key Metrics | |||
| Launch year | 2023 | 2024 | 2025 |
| Intel platform | 13th Gen Core (Raptor Lake-U/P) | Core Ultra Series 1 (Meteor Lake) | Core Ultra Series 2 (Lunar Lake V / Arrow Lake U, H) |
| Top Intel processor | Core i7-1370P (vPro) | Core Ultra 7 165H (vPro) | Core Ultra 7 268V (Lunar Lake) / 265H (Arrow Lake) |
| AMD option | Ryzen 7 PRO 7040 series | Ryzen 7 PRO 8040 series | Ryzen AI 5 / 7 PRO 300 series (340, 350) |
| Copilot+ NPU class | No NPU on Intel; up to 10 TOPS on AMD Ryzen 7 PRO 7840U (not Copilot+) | Up to 11 TOPS Intel / 16 TOPS AMD (not Copilot+) | Up to 48 TOPS Lunar Lake / 50 TOPS AMD (Copilot+); Arrow Lake up to 13 TOPS (AI PC) |
| Maximum memory | DDR5 32 GB / DDR4 40 GB | 64 GB DDR5-5600 SO-DIMM | 64 GB DDR5-5600 SO-DIMM (Arrow Lake, AMD) / 32 GB soldered (Lunar Lake) |
| Battery life (MobileMark 25) | Up to 9.5 hr (Intel) / 14.3 hr (AMD) | Up to 11.5 hr (Intel) / 13.6 hr (AMD) | Up to 18.76 hr (Intel) / 15.5 hr (AMD) |
| Starting weight | 1.32 kg | 1.31 kg | 1.38 kg |
| Display | |||
| Standard panel | 14" WUXGA (1920×1200) IPS | 14" WUXGA (1920×1200) IPS | 14" WUXGA (1920×1200) IPS |
| Mid panel option | 2.2K (2240×1400) IPS | 2.2K (2240×1400) IPS | WUXGA low-power IPS, 100% sRGB (500 nits) |
| Premium panel | 2.8K (2880×1800) OLED, 60 Hz | 2.8K (2880×1800) OLED, 120 Hz | 2.8K (2880×1800) OLED, 120 Hz VRR (Arrow Lake Intel / AMD) |
| Max refresh rate | 60 Hz | 120 Hz (OLED) | 120 Hz (OLED) |
| Peak brightness | 300 / 400 / 500 nits (by panel) | 300 / 400 / 500 nits (by panel) | 400 / 500 nits (by panel) |
| HDR / Dolby Vision (OLED) | DisplayHDR True Black 500, Dolby Vision | DisplayHDR True Black 500, Dolby Vision | DisplayHDR True Black 500, Dolby Vision |
| ePrivacy panel option | Yes (Privacy Guard) | Yes (Privacy Guard) | Yes (Privacy Guard) |
| Aspect ratio | 16:10 | 16:10 | 16:10 |
| Compute & Memory | |||
| CPU architecture | Raptor Lake, hybrid P+E cores | Meteor Lake, P+E+LP-E tiles | Lunar Lake P+LP-E (memory on-package) / Arrow Lake P+E+LP-E |
| Integrated graphics | Intel Iris Xe | Intel Arc Graphics (H-series) | Intel Arc 130V / 140V (Lunar Lake); Arc 130T / 140T or Intel Graphics (Arrow Lake) |
| Discrete GPU option | NVIDIA GeForce MX550 option | None (integrated only) | None (integrated only) |
| Memory type | DDR4-3200 / DDR5-5200 / LPDDR5x | DDR5-5600 SO-DIMM | LPDDR5X-8533 on-package (Lunar Lake) / DDR5-5600 SO-DIMM (Arrow Lake, AMD) |
| Upgradeable memory | Partial on Intel DDR4/DDR5 (1 SO-DIMM + soldered); none on AMD or LPDDR5x | Yes (2 SO-DIMM slots) | Arrow Lake / AMD: yes (2 SO-DIMM slots); Lunar Lake: no (soldered) |
| Memory ceiling | 40 GB (DDR4) / 32 GB (DDR5) | 64 GB | 64 GB (Arrow Lake, AMD) / 32 GB (Lunar Lake) |
| Storage interface | M.2 2280 PCIe 4.0 ×4 (Opal 2.0) | M.2 2280 PCIe 4.0 ×4 (Opal 2.0) | M.2 2280 PCIe 5.0 ×4 (Intel V/H) or 4.0 ×4 (Intel U, AMD) (Opal 2.0) |
| Maximum storage | 2 TB | 2 TB | 2 TB |
| Connectivity & Ports | |||
| Thunderbolt / USB-C | 2× Thunderbolt 4 (DP 1.4) | 2× Thunderbolt 4 (DP 2.1) | 2× Thunderbolt 4 (DP 2.1) |
| USB-A | 2× USB-A 3.2 Gen 1 (5 Gbps) | 2× USB-A 3.2 Gen 1 (5 Gbps) | 2× USB-A 3.2 Gen 1 (5 Gbps) |
| Video out | HDMI 2.1 (4K/60) | HDMI 2.1 (4K/60) | HDMI 2.1 (4K/60) |
| Wired Ethernet | RJ-45 Gigabit (vPro: i219-LM) | RJ-45 Gigabit (vPro: i219-LM) | RJ-45 Gigabit (built in) |
| Card reader | None | None | None |
| Wireless | Wi-Fi 6E AX211 + BT 5.3 | Wi-Fi 6E AX211 or Wi-Fi 7 BE200 (Intel); Qualcomm Wi-Fi 6E / 7 (AMD) | Wi-Fi 6E AX211 or Wi-Fi 7 BE201 (Intel); MediaTek Wi-Fi 7 (AMD) |
| WWAN option | 4G LTE (Fibocom L860-GL) | 4G/5G (Quectel RM520N-GL) | 5G Sub-6 (Quectel) + eSIM |
| Camera | FHD + IR option (privacy shutter) | 5 MP or 5 MP + IR (privacy shutter) | 5 MP or 5 MP + IR (privacy shutter) |
| Form Factor & Power | |||
| Chassis | Carbon-fibre hybrid or aluminium top; PPS bottom (aluminium on grey AMD) | PC + 20% CF (black) or aluminium (grey) top; PC + 20% CF bottom | PC + 20% CF (black) or aluminium (grey) top; PC + 20% CF bottom |
| Dimensions (W×D×H) | 317.7 × 226.9 × 17.9 mm | 315.9 × 223.7 × 17.7 mm | 315.9 × 223.7 × 10.9–16.13 mm (21.8 mm max) |
| Starting weight | 1.32 kg | 1.31 kg | 1.38 kg |
| Battery options | 39.3 Wh / 52.5 Wh | 39.3 Wh / 52.5 Wh | 52.5 Wh / 57 Wh |
| Charging | 65 W USB-C, Rapid Charge (80% / 1 hr) | 65 W USB-C, Rapid Charge (80% / 1 hr) | 65 W USB-C, Rapid Charge (80% / 1 hr) |
| Serviceability | User-accessible SSD + 1 RAM slot (Intel DDR4/DDR5 models) | User-accessible SSD + 2 RAM slots | User-accessible SSD + 2 RAM slots (Arrow Lake / AMD) |
| Durability | MIL-STD-810H tested | MIL-STD-810H tested | MIL-STD-810H tested |
| Recycled materials | Recycled magnesium / aluminium | 90% recycled magnesium keyboard frame (Intel), 50% recycled Al top (grey) | 90% recycled magnesium, 50% recycled Al top |
| Management & Business Fit | |||
| Intel vPro | vPro Enterprise / Essentials | vPro Enterprise / Essentials | vPro Enterprise / non-vPro |
| Security chip | Discrete TPM 2.0 (FIPS 140-2) | Discrete TPM 2.0 (FIPS 140-2) | dTPM 2.0, ThinkShield stack |
| Biometrics | Fingerprint (power button) + IR option | Fingerprint (power button) + IR option | Fingerprint (power button) + IR Hello |
| Smart card reader option | Yes (ISO 7816 / EMV) | Yes (ISO 7816 / EMV) | Yes (optional) |
| Copilot+ on-device AI | No | No | Yes on Lunar Lake and AMD builds (Arrow Lake: AI PC) |
| Warranty (UK) | 1–3 yr on-site, Premier option | 1–3 yr on-site, Premier option | 1–3 yr carry-in or on-site, Premier option |
| OS options | Windows 11 Pro, Ubuntu | Windows 11 Pro, Ubuntu | Windows 11 Pro, Ubuntu 24.04 LTS |
| Dock compatibility | ThinkPad Universal TB4 / USB-C docks | ThinkPad Universal TB4 / USB-C docks | ThinkPad Universal TB4 / USB-C docks |
Key Metrics
Launch year
ThinkPad T14 Gen 42023
ThinkPad T14 Gen 52024
ThinkPad T14 Gen 62025
Intel platform
ThinkPad T14 Gen 413th Gen Core (Raptor Lake-U/P)
ThinkPad T14 Gen 5Core Ultra Series 1 (Meteor Lake)
ThinkPad T14 Gen 6Core Ultra Series 2 (Lunar Lake V / Arrow Lake U, H)
Top Intel processor
ThinkPad T14 Gen 4Core i7-1370P (vPro)
ThinkPad T14 Gen 5Core Ultra 7 165H (vPro)
ThinkPad T14 Gen 6Core Ultra 7 268V (Lunar Lake) / 265H (Arrow Lake)
AMD option
ThinkPad T14 Gen 4Ryzen 7 PRO 7040 series
ThinkPad T14 Gen 5Ryzen 7 PRO 8040 series
ThinkPad T14 Gen 6Ryzen AI 5 / 7 PRO 300 series (340, 350)
Copilot+ NPU class
ThinkPad T14 Gen 4No NPU on Intel; up to 10 TOPS on AMD Ryzen 7 PRO 7840U (not Copilot+)
ThinkPad T14 Gen 5Up to 11 TOPS Intel / 16 TOPS AMD (not Copilot+)
ThinkPad T14 Gen 6Up to 48 TOPS Lunar Lake / 50 TOPS AMD (Copilot+); Arrow Lake up to 13 TOPS (AI PC)
Maximum memory
ThinkPad T14 Gen 4DDR5 32 GB / DDR4 40 GB
ThinkPad T14 Gen 564 GB DDR5-5600 SO-DIMM
ThinkPad T14 Gen 664 GB DDR5-5600 SO-DIMM (Arrow Lake, AMD) / 32 GB soldered (Lunar Lake)
Battery life (MobileMark 25)
ThinkPad T14 Gen 4Up to 9.5 hr (Intel) / 14.3 hr (AMD)
ThinkPad T14 Gen 5Up to 11.5 hr (Intel) / 13.6 hr (AMD)
ThinkPad T14 Gen 6Up to 18.76 hr (Intel) / 15.5 hr (AMD)
Starting weight
ThinkPad T14 Gen 41.32 kg
ThinkPad T14 Gen 51.31 kg
ThinkPad T14 Gen 61.38 kg
Display
Standard panel
ThinkPad T14 Gen 414" WUXGA (1920×1200) IPS
ThinkPad T14 Gen 514" WUXGA (1920×1200) IPS
ThinkPad T14 Gen 614" WUXGA (1920×1200) IPS
Mid panel option
ThinkPad T14 Gen 42.2K (2240×1400) IPS
ThinkPad T14 Gen 52.2K (2240×1400) IPS
ThinkPad T14 Gen 6WUXGA low-power IPS, 100% sRGB (500 nits)
Premium panel
ThinkPad T14 Gen 42.8K (2880×1800) OLED, 60 Hz
ThinkPad T14 Gen 52.8K (2880×1800) OLED, 120 Hz
ThinkPad T14 Gen 62.8K (2880×1800) OLED, 120 Hz VRR (Arrow Lake Intel / AMD)
Max refresh rate
ThinkPad T14 Gen 460 Hz
ThinkPad T14 Gen 5120 Hz (OLED)
ThinkPad T14 Gen 6120 Hz (OLED)
Peak brightness
ThinkPad T14 Gen 4300 / 400 / 500 nits (by panel)
ThinkPad T14 Gen 5300 / 400 / 500 nits (by panel)
ThinkPad T14 Gen 6400 / 500 nits (by panel)
HDR / Dolby Vision (OLED)
ThinkPad T14 Gen 4DisplayHDR True Black 500, Dolby Vision
ThinkPad T14 Gen 5DisplayHDR True Black 500, Dolby Vision
ThinkPad T14 Gen 6DisplayHDR True Black 500, Dolby Vision
ePrivacy panel option
ThinkPad T14 Gen 4Yes (Privacy Guard)
ThinkPad T14 Gen 5Yes (Privacy Guard)
ThinkPad T14 Gen 6Yes (Privacy Guard)
Aspect ratio
ThinkPad T14 Gen 416:10
ThinkPad T14 Gen 516:10
ThinkPad T14 Gen 616:10
Compute & Memory
CPU architecture
ThinkPad T14 Gen 4Raptor Lake, hybrid P+E cores
ThinkPad T14 Gen 5Meteor Lake, P+E+LP-E tiles
ThinkPad T14 Gen 6Lunar Lake P+LP-E (memory on-package) / Arrow Lake P+E+LP-E
Integrated graphics
ThinkPad T14 Gen 4Intel Iris Xe
ThinkPad T14 Gen 5Intel Arc Graphics (H-series)
ThinkPad T14 Gen 6Intel Arc 130V / 140V (Lunar Lake); Arc 130T / 140T or Intel Graphics (Arrow Lake)
Discrete GPU option
ThinkPad T14 Gen 4NVIDIA GeForce MX550 option
ThinkPad T14 Gen 5None (integrated only)
ThinkPad T14 Gen 6None (integrated only)
Memory type
ThinkPad T14 Gen 4DDR4-3200 / DDR5-5200 / LPDDR5x
ThinkPad T14 Gen 5DDR5-5600 SO-DIMM
ThinkPad T14 Gen 6LPDDR5X-8533 on-package (Lunar Lake) / DDR5-5600 SO-DIMM (Arrow Lake, AMD)
Upgradeable memory
ThinkPad T14 Gen 4Partial on Intel DDR4/DDR5 (1 SO-DIMM + soldered); none on AMD or LPDDR5x
ThinkPad T14 Gen 5Yes (2 SO-DIMM slots)
ThinkPad T14 Gen 6Arrow Lake / AMD: yes (2 SO-DIMM slots); Lunar Lake: no (soldered)
Memory ceiling
ThinkPad T14 Gen 440 GB (DDR4) / 32 GB (DDR5)
ThinkPad T14 Gen 564 GB
ThinkPad T14 Gen 664 GB (Arrow Lake, AMD) / 32 GB (Lunar Lake)
Storage interface
ThinkPad T14 Gen 4M.2 2280 PCIe 4.0 ×4 (Opal 2.0)
ThinkPad T14 Gen 5M.2 2280 PCIe 4.0 ×4 (Opal 2.0)
ThinkPad T14 Gen 6M.2 2280 PCIe 5.0 ×4 (Intel V/H) or 4.0 ×4 (Intel U, AMD) (Opal 2.0)
Maximum storage
ThinkPad T14 Gen 42 TB
ThinkPad T14 Gen 52 TB
ThinkPad T14 Gen 62 TB
Connectivity & Ports
Thunderbolt / USB-C
ThinkPad T14 Gen 42× Thunderbolt 4 (DP 1.4)
ThinkPad T14 Gen 52× Thunderbolt 4 (DP 2.1)
ThinkPad T14 Gen 62× Thunderbolt 4 (DP 2.1)
USB-A
ThinkPad T14 Gen 42× USB-A 3.2 Gen 1 (5 Gbps)
ThinkPad T14 Gen 52× USB-A 3.2 Gen 1 (5 Gbps)
ThinkPad T14 Gen 62× USB-A 3.2 Gen 1 (5 Gbps)
Video out
ThinkPad T14 Gen 4HDMI 2.1 (4K/60)
ThinkPad T14 Gen 5HDMI 2.1 (4K/60)
ThinkPad T14 Gen 6HDMI 2.1 (4K/60)
Wired Ethernet
ThinkPad T14 Gen 4RJ-45 Gigabit (vPro: i219-LM)
ThinkPad T14 Gen 5RJ-45 Gigabit (vPro: i219-LM)
ThinkPad T14 Gen 6RJ-45 Gigabit (built in)
Card reader
ThinkPad T14 Gen 4None
ThinkPad T14 Gen 5None
ThinkPad T14 Gen 6None
Wireless
ThinkPad T14 Gen 4Wi-Fi 6E AX211 + BT 5.3
ThinkPad T14 Gen 5Wi-Fi 6E AX211 or Wi-Fi 7 BE200 (Intel); Qualcomm Wi-Fi 6E / 7 (AMD)
ThinkPad T14 Gen 6Wi-Fi 6E AX211 or Wi-Fi 7 BE201 (Intel); MediaTek Wi-Fi 7 (AMD)
WWAN option
ThinkPad T14 Gen 44G LTE (Fibocom L860-GL)
ThinkPad T14 Gen 54G/5G (Quectel RM520N-GL)
ThinkPad T14 Gen 65G Sub-6 (Quectel) + eSIM
Camera
ThinkPad T14 Gen 4FHD + IR option (privacy shutter)
ThinkPad T14 Gen 55 MP or 5 MP + IR (privacy shutter)
ThinkPad T14 Gen 65 MP or 5 MP + IR (privacy shutter)
Form Factor & Power
Chassis
ThinkPad T14 Gen 4Carbon-fibre hybrid or aluminium top; PPS bottom (aluminium on grey AMD)
ThinkPad T14 Gen 5PC + 20% CF (black) or aluminium (grey) top; PC + 20% CF bottom
ThinkPad T14 Gen 6PC + 20% CF (black) or aluminium (grey) top; PC + 20% CF bottom
Dimensions (W×D×H)
ThinkPad T14 Gen 4317.7 × 226.9 × 17.9 mm
ThinkPad T14 Gen 5315.9 × 223.7 × 17.7 mm
ThinkPad T14 Gen 6315.9 × 223.7 × 10.9–16.13 mm (21.8 mm max)
Starting weight
ThinkPad T14 Gen 41.32 kg
ThinkPad T14 Gen 51.31 kg
ThinkPad T14 Gen 61.38 kg
Battery options
ThinkPad T14 Gen 439.3 Wh / 52.5 Wh
ThinkPad T14 Gen 539.3 Wh / 52.5 Wh
ThinkPad T14 Gen 652.5 Wh / 57 Wh
Charging
ThinkPad T14 Gen 465 W USB-C, Rapid Charge (80% / 1 hr)
ThinkPad T14 Gen 565 W USB-C, Rapid Charge (80% / 1 hr)
ThinkPad T14 Gen 665 W USB-C, Rapid Charge (80% / 1 hr)
Serviceability
ThinkPad T14 Gen 4User-accessible SSD + 1 RAM slot (Intel DDR4/DDR5 models)
ThinkPad T14 Gen 5User-accessible SSD + 2 RAM slots
ThinkPad T14 Gen 6User-accessible SSD + 2 RAM slots (Arrow Lake / AMD)
Durability
ThinkPad T14 Gen 4MIL-STD-810H tested
ThinkPad T14 Gen 5MIL-STD-810H tested
ThinkPad T14 Gen 6MIL-STD-810H tested
Recycled materials
ThinkPad T14 Gen 4Recycled magnesium / aluminium
ThinkPad T14 Gen 590% recycled magnesium keyboard frame (Intel), 50% recycled Al top (grey)
ThinkPad T14 Gen 690% recycled magnesium, 50% recycled Al top
Management & Business Fit
Intel vPro
ThinkPad T14 Gen 4vPro Enterprise / Essentials
ThinkPad T14 Gen 5vPro Enterprise / Essentials
ThinkPad T14 Gen 6vPro Enterprise / non-vPro
Security chip
ThinkPad T14 Gen 4Discrete TPM 2.0 (FIPS 140-2)
ThinkPad T14 Gen 5Discrete TPM 2.0 (FIPS 140-2)
ThinkPad T14 Gen 6dTPM 2.0, ThinkShield stack
Biometrics
ThinkPad T14 Gen 4Fingerprint (power button) + IR option
ThinkPad T14 Gen 5Fingerprint (power button) + IR option
ThinkPad T14 Gen 6Fingerprint (power button) + IR Hello
Smart card reader option
ThinkPad T14 Gen 4Yes (ISO 7816 / EMV)
ThinkPad T14 Gen 5Yes (ISO 7816 / EMV)
ThinkPad T14 Gen 6Yes (optional)
Copilot+ on-device AI
ThinkPad T14 Gen 4No
ThinkPad T14 Gen 5No
ThinkPad T14 Gen 6Yes on Lunar Lake and AMD builds (Arrow Lake: AI PC)
Warranty (UK)
ThinkPad T14 Gen 41–3 yr on-site, Premier option
ThinkPad T14 Gen 51–3 yr on-site, Premier option
ThinkPad T14 Gen 61–3 yr carry-in or on-site, Premier option
OS options
ThinkPad T14 Gen 4Windows 11 Pro, Ubuntu
ThinkPad T14 Gen 5Windows 11 Pro, Ubuntu
ThinkPad T14 Gen 6Windows 11 Pro, Ubuntu 24.04 LTS
Dock compatibility
ThinkPad T14 Gen 4ThinkPad Universal TB4 / USB-C docks
ThinkPad T14 Gen 5ThinkPad Universal TB4 / USB-C docks
ThinkPad T14 Gen 6ThinkPad Universal TB4 / USB-C docks
★
Expert Analysis
AI-assisted analysis based on published specifications
The T14 is the model most UK ThinkPad fleets standardise on, and across these three generations the practical workhorse formula is intact — RJ-45 Gigabit Ethernet built in, two user-upgradeable SO-DIMM slots on Gen 5 and on Gen 6 Arrow Lake and AMD builds, full ThinkPad keyboard with TrackPoint, vPro and MIL-STD-810H durability. The platform jump is the main reason to move: Gen 4 (13th-gen) caps DDR5 at just 32 GB, has no NPU on Intel (the AMD Ryzen 7 PRO 7840U’s is just 10 TOPS) and manages only ~9.5 hr MobileMark on Intel; Gen 5 (Meteor Lake) lifts memory to a proper 64 GB DDR5-5600, adds DisplayPort 2.1 docking and pushes Intel runtime to ~11.5 hr; Gen 6 (Core Ultra Series 2 or Ryzen AI PRO 300) keeps 64 GB SO-DIMM headroom on Arrow Lake and AMD builds (Lunar Lake memory is soldered at 16 or 32 GB), extends battery life to up to 18.76 hr MobileMark 25 (Intel), and brings Copilot+ NPUs of up to 48 TOPS (Lunar Lake) or 50 TOPS (AMD). The trade-off worth flagging to buyers is configuration: on Gen 6 the 2.8K OLED panel (now 500 nits with 120 Hz VRR) comes only with Arrow Lake Intel or AMD processors, and Intel Lunar Lake builds solder their memory — only the AMD Ryzen AI PRO builds combine the OLED option, upgradeable RAM and a Copilot+ NPU. For UK refresh planning, Gen 4 fleets should be prioritised for replacement now (memory-constrained, no Copilot+ capability, falling resale), Gen 5 remains a strong hold for one more cycle, and Gen 6 is the right standard build for new rollouts — choose the AMD builds where upgradeable RAM, wired Ethernet and a Copilot+ NPU are all required, since Intel Lunar Lake solders its memory and Arrow Lake is an AI PC rather than a Copilot+ PC.
ThinkPad T14 Gen 4
Best kept as a serviceable general-office machine where it is already deployed, but the first T14 to schedule for refresh — its 32 GB DDR5 ceiling, lack of a Copilot+ NPU (none on Intel, 10 TOPS on AMD) and shortest Intel battery life make it the weakest fit for memory-hungry hybrid workers and any AI-PC roadmap.
ThinkPad T14 Gen 5
Best value mid-cycle workhorse for standard UK fleets — full 64 GB DDR5 SO-DIMM upgradeability, RJ-45 Ethernet, DisplayPort 2.1 docking and an optional 2.8K OLED, ideal for developer and hybrid-office issue where Copilot+ is not yet a requirement.
ThinkPad T14 Gen 6
Best new standard fleet build for hybrid office and developer rollouts — upgradeable 64 GB DDR5 with a 50-TOPS Copilot+ NPU on the AMD builds (Intel Lunar Lake: up to 48 TOPS with soldered memory), built-in Gigabit Ethernet and Wi-Fi 7, giving IT the serviceability and AI-PC longevity that justify a multi-year standardisation.
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