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💻 ThinkPad T14: Gen 6 vs Gen 5 vs Gen 4
AI-powered analysis across 48 matched specifications
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 any NPU and shortest 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.
ThinkPad T14 Gen 6
Lenovo
Overall Score
Best new standard fleet build for hybrid office and developer rollouts — upgradeable 64 GB DDR5, built-in Gigabit Ethernet, Wi-Fi 7, microSD and a 48-TOPS Copilot+ NPU, giving IT the serviceability and AI-PC longevity that justify a multi-year standardisation.
View Full DetailsPerformance 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
6.8
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) |
| Top Intel processor | Core i7-1370P (vPro) | Core Ultra 7 165H (vPro) | Core Ultra 7 266V (vPro) |
| AMD option | Ryzen 7 PRO 7040 series | Ryzen 7 PRO 8040 series | Intel-only (no AMD model) |
| Copilot+ NPU class | No NPU | Up to 11 TOPS (not Copilot+) | Up to 48 TOPS (Copilot+) |
| Maximum memory | DDR5 32 GB / DDR4 40 GB | 64 GB DDR5-5600 SO-DIMM | 64 GB DDR5-5600 SO-DIMM |
| Battery life (MobileMark 25) | Up to 9.5 hr | Up to 11.5 hr | Up to ~12 hr |
| Starting weight | 1.32 kg | 1.31 kg | 1.36 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 IPS (300–400 nits) |
| Premium panel | 2.8K (2880×1800) OLED, 60 Hz | 2.8K (2880×1800) OLED, 120 Hz | WUXGA IPS (no OLED option) |
| Max refresh rate | 60 Hz | 120 Hz (OLED) | 60 Hz |
| Peak brightness | 300 / 400 / 500 nits (by panel) | 300 / 400 / 500 nits (by panel) | 300–400 nits |
| HDR / Dolby Vision (OLED) | DisplayHDR True Black 500, Dolby Vision | DisplayHDR True Black 500, Dolby Vision | Not available (IPS only) |
| ePrivacy panel option | Yes (Privacy Guard) | Yes (Privacy Guard) | No |
| 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 on-package |
| Integrated graphics | Intel Iris Xe | Intel Arc Graphics (H-series) | Intel Arc Graphics 130V / 140V |
| Discrete GPU option | NVIDIA GeForce MX550 option | None (integrated only) | None (integrated only) |
| Memory type | DDR4-3200 / DDR5-5200 / LPDDR5x | DDR5-5600 SO-DIMM | DDR5-5600 SO-DIMM |
| Upgradeable memory | Partial (1 SO-DIMM + soldered) | Yes (2 SO-DIMM slots) | Yes (2 SO-DIMM slots) |
| Memory ceiling | 40 GB (DDR4) / 32 GB (DDR5) | 64 GB | 64 GB |
| 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 4.0 ×4 (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 | microSD |
| Wireless | Wi-Fi 6E AX211 + BT 5.3 | Wi-Fi 6E AX211 + BT 5.3 (Wi-Fi 7 special bid) | Wi-Fi 7 BE201 + BT 5.4 |
| WWAN option | 4G LTE (Fibocom L860-GL) | 4G/5G (Quectel RM520N-GL) | 5G Sub-6 (Quectel) + eSIM |
| Camera | FHD + IR option (privacy shutter) | FHD + IR / 8 MP option | FHD + IR / 8 MP option (privacy shutter) |
| Form Factor & Power | |||
| Chassis | Aluminium top + magnesium bottom | Aluminium top + magnesium bottom | Aluminium top + magnesium bottom |
| Dimensions (W×D×H) | 317.7 × 226.9 × 17.9 mm | 315.9 × 223.7 × 17.7 mm | 312.8 × 224.95 × 17.95 mm |
| Starting weight | 1.32 kg | 1.31 kg | 1.36 kg |
| Battery options | 39.3 Wh / 52.5 Wh | 39.3 Wh / 52.5 Wh | 39.3 Wh / 52.5 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 | User-accessible SSD + 2 RAM slots | User-accessible SSD + 2 RAM slots |
| Durability | MIL-STD-810H tested | MIL-STD-810H tested | MIL-STD-810H tested |
| Recycled materials | Recycled magnesium / aluminium | 90% recycled magnesium bottom cover | 90% recycled magnesium, 50% recycled Al top |
| Management & Business Fit | |||
| Intel vPro | vPro Enterprise / Essentials | vPro Enterprise / Essentials | vPro Enterprise (default) |
| 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 (Ultra 7 266V SKU) |
| Warranty (UK) | 1–3 yr on-site, Premier option | 1–3 yr on-site, Premier option | 3-yr On-Site (Premier upgrade) |
| 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 |
★
Expert Analysis
AI-generated 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 from Gen 5 onward, 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 and manages only ~9.5 hr MobileMark; Gen 5 (Meteor Lake) lifts memory to a proper 64 GB DDR5-5600, adds DisplayPort 2.1 docking and pushes runtime to ~11.5 hr; Gen 6 (Lunar Lake) keeps the 64 GB SO-DIMM headroom while adding Wi-Fi 7, a microSD reader, longer battery life and a 48-TOPS Copilot+ NPU. The one trade-off worth flagging to buyers is the display: Gen 4 and Gen 5 offered a 2.8K OLED option, whereas the Intel T14 Gen 6 is WUXGA IPS only — design-adjacent users who valued the OLED panel should look at the T14s or X1 lines. For UK refresh planning, Gen 4 fleets should be prioritised for replacement now (memory-constrained, no AI-PC capability, falling resale), Gen 5 remains a strong hold for one more cycle, and Gen 6 is the right standard build for new rollouts that want upgradeable RAM, wired Ethernet and a future-proofed Copilot+ NPU at mainstream cost.
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 any NPU and shortest 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, built-in Gigabit Ethernet, Wi-Fi 7, microSD and a 48-TOPS Copilot+ NPU, giving IT the serviceability and AI-PC longevity that justify a multi-year standardisation.
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