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💻 ThinkPad X1 Carbon Gen 13 vs Dell Pro Max 14 vs B9 OLED
AI-powered analysis across 23 matched specifications
ExpertBook B9 OLED (B9403)
ASUS
Overall Score
Best for lightweight travel needing a high-resolution OLED display and native legacy video output
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Dell Pro Max 14 Premium
Dell
Overall Score
Best for engineering and graphics-intensive roles requiring discrete NVIDIA RTX PRO power and Thunderbolt 5
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ThinkPad X1 Carbon Gen 13
Lenovo
Overall Score
Best for mobile professionals requiring sub-kilogram portability, cellular WWAN, and Copilot+ AI capabilities
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Performance Overview
Scores based on quantifiable specification values (1-10 scale)
ExpertBook B9 OLED (B9403)
Dell Pro Max 14 Premium
ThinkPad X1 Carbon Gen 13
Performance
ExpertBook B9 OLED (B9403)
5.2
Dell Pro Max 14 Premium
9.1
ThinkPad X1 Carbon Gen 13
7.3
Display
ExpertBook B9 OLED (B9403)
7.6
Dell Pro Max 14 Premium
6.8
ThinkPad X1 Carbon Gen 13
8.4
Battery & Thermals
ExpertBook B9 OLED (B9403)
6.2
Dell Pro Max 14 Premium
8.3
ThinkPad X1 Carbon Gen 13
7.1
Manageability & Security
ExpertBook B9 OLED (B9403)
5.4
Dell Pro Max 14 Premium
8.0
ThinkPad X1 Carbon Gen 13
8.8
Expandability & Repair
ExpertBook B9 OLED (B9403)
6.1
Dell Pro Max 14 Premium
7.4
ThinkPad X1 Carbon Gen 13
7.8
Ecosystem & Software
ExpertBook B9 OLED (B9403)
6.0
Dell Pro Max 14 Premium
7.6
ThinkPad X1 Carbon Gen 13
8.2
Value
ExpertBook B9 OLED (B9403)
4.2
Dell Pro Max 14 Premium
6.3
ThinkPad X1 Carbon Gen 13
6.7
Detailed Specifications
| Specification | ExpertBook B9 OLED (B9403) ASUS | Dell Pro Max 14 Premium Dell | ThinkPad X1 Carbon Gen 13 Lenovo |
|---|---|---|---|
| Performance | |||
| Processor | Intel Core 7 150U (vPro Essentials) or Core 5 120U - Series 1 (Meteor Lake), 10 cores / 12 threads | Intel Core Ultra 7 265H vPro Enterprise — 16 cores / 16 threads (6P + 8E + 2 LPE), up to 5.3 GHz, 24 MB cache, 45 W | Intel Core Ultra 5/7 Series 2 — Lunar Lake (V, Copilot+) and Arrow Lake (U/H). Stocked: Core Ultra 7 258V (Copilot+) · Core Ultra 7 255U |
| CPU cores | 10 cores / 12 threads | 16 cores / 16 threads (6P + 8E + 2 LPE) | Core Ultra 7 258V (Lunar Lake, 8-core); Core Ultra 7 255U (Arrow Lake, 12-core / 14-thread) |
| Graphics | Intel Graphics (integrated) | NVIDIA RTX PRO Blackwell 8 GB GDDR7 discrete (1000 and 2000 tiers stocked — tier confirmed at quote) + Intel Arc Pro 140T integrated | Intel Arc Graphics 140V (258V) / Intel Graphics (255U), integrated |
| Discrete GPU | Integrated Intel Graphics only — no discrete GPU option | ✓NVIDIA RTX PRO Blackwell 8 GB GDDR7 discrete | Integrated only (Intel Arc 140V / Intel Graphics) |
| Memory & storage | |||
| Maximum memory | Up to 64 GB LPDDR5X (soldered, on-board) | 32 GB LPDDR5x-8400 dual-channel, onboard — fixed at purchase (platform maximum 64 GB, factory-configured only) | 16 / 32 / 64 GB LPDDR5x soldered, dual-channel, not upgradable — Lunar Lake LPDDR5x-8533 to 32 GB · Arrow Lake LPDDR5x-8400 to 64 GB |
| Memory type | LPDDR5X (soldered, on-board) | LPDDR5x-8400 dual-channel, onboard (fixed at order) | LPDDR5x soldered, dual-channel (LPDDR5x-8533 / 8400) |
| Maximum storage | Up to 2 TB M.2 2280 PCIe 4.0 x4 NVMe SSD | 1 TB M.2 2280 PCIe Gen4 NVMe TLC SSD with DRAM, SED-ready; single M.2 slot accepts 2280 or 2230 (bracket kit) | M.2 2280 NVMe, Opal 2.0, up to 2 TB — PCIe 5.0 x4 (V/H) or PCIe 4.0 x4 (U). Single drive |
| Display | |||
| Display size | 14.0" | 14.0" | 14.0″ |
| Resolution | 2880 x 1800 | 1920 × 1200 (QHD+ 2880 × 1800 tandem OLED touch to order) | 1920×1200 (WUXGA); 2880×1800 OLED option |
| Brightness | 400 nits | 400 nits | ✓WUXGA 500-nit; 2.8K OLED |
| Panel | 14.0" 2.8K OLED (2880 x 1800) WQXGA+, 90 Hz, 400 nits, 100% DCI-P3, VESA DisplayHDR True Black 600, glossy | 14.0" 16:10 FHD+ (1920 × 1200) WVA anti-glare, 400 nits, 100% sRGB, 162 ppi, 30–60 Hz VRR, non-touch; QHD+ (2880 × 1800) tandem OLED touch to order | WUXGA IPS anti-glare / 2.8K OLED 120 Hz, DisplayHDR True Black 500 |
| Touchscreen | -- | QHD+ (2880 × 1800) tandem OLED touch panel to order | WUXGA touch or non-touch; 2.8K OLED touch |
| Connectivity | |||
| Thunderbolt / USB4 ports | 2x Thunderbolt 4 (USB4) | ✓2× Thunderbolt 5 (up to 120 Gbps with Bandwidth Boost) + 2× Thunderbolt 4 (40 Gbps) — all USB-C with PD + DisplayPort 2.1 | 2× Thunderbolt 4 / USB4 40 Gbps (DisplayPort 2.1, PD 15–65 W) |
| Ports | 2x Thunderbolt 4 (USB4), 1x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1, 1x micro-HDMI (to RJ45 LAN), 3.5 mm combo | 2× Thunderbolt 5 (USB-C, up to 120 Gbps with Bandwidth Boost, PD, DisplayPort 2.1) — also charging; 2× Thunderbolt 4 (USB-C, 40 Gbps, PD, DisplayPort 2.1), microSD reader, universal headset jack, wedge lock slot. No USB-A, HDMI or RJ-45 on the chassis | 2× Thunderbolt 4 / USB4 40 Gbps (DisplayPort 2.1, PD 15–65 W), 2× USB-A 5 Gbps (one Always On), HDMI 2.1 (4K/60 Hz), 3.5 mm combo; nano-SIM on WWAN builds. No card reader, no onboard Ethernet |
| Mobile broadband (4G/5G) option | -- | No WWAN option | ✓Optional Quectel RM520N-GL 5G Sub-6 or EM160R-GL 4G LTE CAT16, embedded eSIM |
| Physical | |||
| Weight (from) | From 0.99 kg (2.18 lb) | From 1.61 kg | ✓from 986 g (Lunar Lake) / 1006 g (Arrow Lake) |
| Dimensions | 311 x 215 x 15.7-16.9 mm | 310.6 × 212.5 mm; 19.32 mm front/rear, 20.12 mm peak (FHD+ config) | 312.8 × 214.75 × 17.95 mm (WUXGA) / 16.95 mm max (OLED) |
| Security & management | |||
| Intel vPro | Intel vPro Essentials option (Core 7 150U) | Intel Core Ultra 7 265H vPro Enterprise; vPro Enterprise on both stocked configurations | vPro Enterprise available across the family to order |
| Copilot+ PC (40+ TOPS NPU) | No — Intel Core Series 1 (Meteor Lake); NPU below the 40+ TOPS Microsoft Copilot+ threshold | -- | ✓Copilot+ on the Core Ultra 7 258V (47-TOPS NPU) |
| Battery | |||
| Battery capacity | 63 Wh, 3-cell Li-ion (65 W USB-C fast charge) | ✓4-cell 72 Wh | 57 Wh Li-ion, Rapid Charge to 80% in 1 hr |
| Rated battery life | -- | ExpressCharge Boost 0–35% in ~20 min, ExpressCharge ~2 h; 130 W USB-C adapter (20 V / 6.5 A) | up to ~17 hr (MobileMark 25, WUXGA) |
| Support | |||
| Operating system | Windows 11 Pro (Windows 11 Home option) | Windows 11 Pro (shipped); Windows 11 Home and Ubuntu 24.04 LTS supported | Windows 11 Pro (stocked); Windows 11 Home / Ubuntu / Fedora Linux to order |
| Base warranty | 1-year commercial warranty; ASUS extended / on-site uplift available | -- | Base 1-year or 3-year courier / carry-in / onsite; Lenovo Premier Support uplift (to 5-year + ADP) quoted per configuration |
Performance
Processor
ExpertBook B9 OLED (B9403)Intel Core 7 150U (vPro Essentials) or Core 5 120U - Series 1 (Meteor Lake), 10 cores / 12 threads
Dell Pro Max 14 PremiumIntel Core Ultra 7 265H vPro Enterprise — 16 cores / 16 threads (6P + 8E + 2 LPE), up to 5.3 GHz, 24 MB cache, 45 W
ThinkPad X1 Carbon Gen 13Intel Core Ultra 5/7 Series 2 — Lunar Lake (V, Copilot+) and Arrow Lake (U/H). Stocked: Core Ultra 7 258V (Copilot+) · Core Ultra 7 255U
CPU cores
ExpertBook B9 OLED (B9403)10 cores / 12 threads
Dell Pro Max 14 Premium16 cores / 16 threads (6P + 8E + 2 LPE)
ThinkPad X1 Carbon Gen 13Core Ultra 7 258V (Lunar Lake, 8-core); Core Ultra 7 255U (Arrow Lake, 12-core / 14-thread)
Graphics
ExpertBook B9 OLED (B9403)Intel Graphics (integrated)
Dell Pro Max 14 PremiumNVIDIA RTX PRO Blackwell 8 GB GDDR7 discrete (1000 and 2000 tiers stocked — tier confirmed at quote) + Intel Arc Pro 140T integrated
ThinkPad X1 Carbon Gen 13Intel Arc Graphics 140V (258V) / Intel Graphics (255U), integrated
Discrete GPU
ExpertBook B9 OLED (B9403)Integrated Intel Graphics only — no discrete GPU option
Dell Pro Max 14 PremiumNVIDIA RTX PRO Blackwell 8 GB GDDR7 discrete
ThinkPad X1 Carbon Gen 13Integrated only (Intel Arc 140V / Intel Graphics)
Memory & storage
Maximum memory
ExpertBook B9 OLED (B9403)Up to 64 GB LPDDR5X (soldered, on-board)
Dell Pro Max 14 Premium32 GB LPDDR5x-8400 dual-channel, onboard — fixed at purchase (platform maximum 64 GB, factory-configured only)
ThinkPad X1 Carbon Gen 1316 / 32 / 64 GB LPDDR5x soldered, dual-channel, not upgradable — Lunar Lake LPDDR5x-8533 to 32 GB · Arrow Lake LPDDR5x-8400 to 64 GB
Memory type
ExpertBook B9 OLED (B9403)LPDDR5X (soldered, on-board)
Dell Pro Max 14 PremiumLPDDR5x-8400 dual-channel, onboard (fixed at order)
ThinkPad X1 Carbon Gen 13LPDDR5x soldered, dual-channel (LPDDR5x-8533 / 8400)
Maximum storage
ExpertBook B9 OLED (B9403)Up to 2 TB M.2 2280 PCIe 4.0 x4 NVMe SSD
Dell Pro Max 14 Premium1 TB M.2 2280 PCIe Gen4 NVMe TLC SSD with DRAM, SED-ready; single M.2 slot accepts 2280 or 2230 (bracket kit)
ThinkPad X1 Carbon Gen 13M.2 2280 NVMe, Opal 2.0, up to 2 TB — PCIe 5.0 x4 (V/H) or PCIe 4.0 x4 (U). Single drive
Display
Display size
ExpertBook B9 OLED (B9403)14.0"
Dell Pro Max 14 Premium14.0"
ThinkPad X1 Carbon Gen 1314.0″
Resolution
ExpertBook B9 OLED (B9403)2880 x 1800
Dell Pro Max 14 Premium1920 × 1200 (QHD+ 2880 × 1800 tandem OLED touch to order)
ThinkPad X1 Carbon Gen 131920×1200 (WUXGA); 2880×1800 OLED option
Brightness
ExpertBook B9 OLED (B9403)400 nits
Dell Pro Max 14 Premium400 nits
ThinkPad X1 Carbon Gen 13WUXGA 500-nit; 2.8K OLED
Panel
ExpertBook B9 OLED (B9403)14.0" 2.8K OLED (2880 x 1800) WQXGA+, 90 Hz, 400 nits, 100% DCI-P3, VESA DisplayHDR True Black 600, glossy
Dell Pro Max 14 Premium14.0" 16:10 FHD+ (1920 × 1200) WVA anti-glare, 400 nits, 100% sRGB, 162 ppi, 30–60 Hz VRR, non-touch; QHD+ (2880 × 1800) tandem OLED touch to order
ThinkPad X1 Carbon Gen 13WUXGA IPS anti-glare / 2.8K OLED 120 Hz, DisplayHDR True Black 500
Touchscreen
ExpertBook B9 OLED (B9403)--
Dell Pro Max 14 PremiumQHD+ (2880 × 1800) tandem OLED touch panel to order
ThinkPad X1 Carbon Gen 13WUXGA touch or non-touch; 2.8K OLED touch
Connectivity
Thunderbolt / USB4 ports
ExpertBook B9 OLED (B9403)2x Thunderbolt 4 (USB4)
Dell Pro Max 14 Premium2× Thunderbolt 5 (up to 120 Gbps with Bandwidth Boost) + 2× Thunderbolt 4 (40 Gbps) — all USB-C with PD + DisplayPort 2.1
ThinkPad X1 Carbon Gen 132× Thunderbolt 4 / USB4 40 Gbps (DisplayPort 2.1, PD 15–65 W)
Ports
ExpertBook B9 OLED (B9403)2x Thunderbolt 4 (USB4), 1x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1, 1x micro-HDMI (to RJ45 LAN), 3.5 mm combo
Dell Pro Max 14 Premium2× Thunderbolt 5 (USB-C, up to 120 Gbps with Bandwidth Boost, PD, DisplayPort 2.1) — also charging; 2× Thunderbolt 4 (USB-C, 40 Gbps, PD, DisplayPort 2.1), microSD reader, universal headset jack, wedge lock slot. No USB-A, HDMI or RJ-45 on the chassis
ThinkPad X1 Carbon Gen 132× Thunderbolt 4 / USB4 40 Gbps (DisplayPort 2.1, PD 15–65 W), 2× USB-A 5 Gbps (one Always On), HDMI 2.1 (4K/60 Hz), 3.5 mm combo; nano-SIM on WWAN builds. No card reader, no onboard Ethernet
Mobile broadband (4G/5G) option
ExpertBook B9 OLED (B9403)--
Dell Pro Max 14 PremiumNo WWAN option
ThinkPad X1 Carbon Gen 13Optional Quectel RM520N-GL 5G Sub-6 or EM160R-GL 4G LTE CAT16, embedded eSIM
Physical
Weight (from)
ExpertBook B9 OLED (B9403)From 0.99 kg (2.18 lb)
Dell Pro Max 14 PremiumFrom 1.61 kg
ThinkPad X1 Carbon Gen 13from 986 g (Lunar Lake) / 1006 g (Arrow Lake)
Dimensions
ExpertBook B9 OLED (B9403)311 x 215 x 15.7-16.9 mm
Dell Pro Max 14 Premium310.6 × 212.5 mm; 19.32 mm front/rear, 20.12 mm peak (FHD+ config)
ThinkPad X1 Carbon Gen 13312.8 × 214.75 × 17.95 mm (WUXGA) / 16.95 mm max (OLED)
Security & management
Intel vPro
ExpertBook B9 OLED (B9403)Intel vPro Essentials option (Core 7 150U)
Dell Pro Max 14 PremiumIntel Core Ultra 7 265H vPro Enterprise; vPro Enterprise on both stocked configurations
ThinkPad X1 Carbon Gen 13vPro Enterprise available across the family to order
Copilot+ PC (40+ TOPS NPU)
ExpertBook B9 OLED (B9403)No — Intel Core Series 1 (Meteor Lake); NPU below the 40+ TOPS Microsoft Copilot+ threshold
Dell Pro Max 14 Premium--
ThinkPad X1 Carbon Gen 13Copilot+ on the Core Ultra 7 258V (47-TOPS NPU)
Battery
Battery capacity
ExpertBook B9 OLED (B9403)63 Wh, 3-cell Li-ion (65 W USB-C fast charge)
Dell Pro Max 14 Premium4-cell 72 Wh
ThinkPad X1 Carbon Gen 1357 Wh Li-ion, Rapid Charge to 80% in 1 hr
Rated battery life
ExpertBook B9 OLED (B9403)--
Dell Pro Max 14 PremiumExpressCharge Boost 0–35% in ~20 min, ExpressCharge ~2 h; 130 W USB-C adapter (20 V / 6.5 A)
ThinkPad X1 Carbon Gen 13up to ~17 hr (MobileMark 25, WUXGA)
Support
Operating system
ExpertBook B9 OLED (B9403)Windows 11 Pro (Windows 11 Home option)
Dell Pro Max 14 PremiumWindows 11 Pro (shipped); Windows 11 Home and Ubuntu 24.04 LTS supported
ThinkPad X1 Carbon Gen 13Windows 11 Pro (stocked); Windows 11 Home / Ubuntu / Fedora Linux to order
Base warranty
ExpertBook B9 OLED (B9403)1-year commercial warranty; ASUS extended / on-site uplift available
Dell Pro Max 14 Premium--
ThinkPad X1 Carbon Gen 13Base 1-year or 3-year courier / carry-in / onsite; Lenovo Premier Support uplift (to 5-year + ADP) quoted per configuration
★
Expert Analysis
Specs web-verified from manufacturer datasheets · Servnet-reviewed · Last reviewed 8 Sept 2026
For UK procurement teams seeking ultra-light corporate mobility, the Lenovo ThinkPad X1 Carbon Gen 13 provides the most versatile enterprise package, whilst the Dell Pro Max Premium 14 serves demanding compute-heavy workloads requiring dedicated graphics power. The ThinkPad X1 Carbon Gen 13 excels for travelling executives, leading the physical metrics with a minimum weight of 986 g, optional 5G Sub-6 connectivity, a bright 500-nit screen, and Copilot+ AI readiness via its 47-TOPS NPU on the Core Ultra 7 258V. It also preserves dual USB-A ports alongside twin Thunderbolt 4 connections and HDMI 2.1 output for effortless hot-desking. Conversely, the Dell Pro Max Premium 14 is built for heavier engineering or creative duty. It features a 16-core 45 W Intel Core Ultra 7 265H processor, discrete NVIDIA RTX PRO Blackwell 8 GB GDDR7 graphics, cutting-edge dual Thunderbolt 5 connectivity, and a larger 72 Wh battery. Nonetheless, users trade off portability at 1.61 kg and must manage a chassis devoid of native USB-A, HDMI, or RJ-45 ports. The ASUS ExpertBook B9 OLED delivers commendable portability at 0.99 kg and includes a crisp 2.8K OLED panel alongside native HDMI and micro-HDMI networking. However, relying on older Intel Series 1 processors, vPro Essentials, and an NPU below the Copilot+ threshold limits its appeal for future-proofed enterprise deployments.
ExpertBook B9 OLED (B9403)
Best for lightweight travel needing a high-resolution OLED display and native legacy video output
Dell Pro Max 14 Premium
Best for engineering and graphics-intensive roles requiring discrete NVIDIA RTX PRO power and Thunderbolt 5
ThinkPad X1 Carbon Gen 13
Best for mobile professionals requiring sub-kilogram portability, cellular WWAN, and Copilot+ AI capabilities
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ExpertBook B9 OLED (B9403)
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