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💻 ExpertBook B9 OLED vs Dell Pro Premium 14 vs ThinkPad X1 Gen 13

AI-powered analysis across 23 matched specifications

ASUS ExpertBook B9 OLED (B9403) 14-inch ultralight magnesium-lithium business laptop, open front view
ExpertBook B9 OLED (B9403)
ASUS
7.6
Overall Score
Best for mobile professionals wanting high battery capacity and a 2.8K OLED display in a sub-1 kg chassis
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Dell Pro 14 Premium (PA14250) Copilot+ business laptop in Magnetite — front view with 14-inch 16:10 display
Dell Pro 14 Premium
Dell
7.6
Overall Score
Best for corporate IT deployments requiring guaranteed vPro Enterprise and Copilot+ compliance across standard builds
View Full Details
Lenovo ThinkPad X1 Carbon Gen 13 14-inch business ultraportable in black carbon-fibre — front view, open
ThinkPad X1 Carbon Gen 13
Lenovo
8.4
Overall Score
Best for travelling executives requiring an ultralight 986 g chassis with a 500-nit outdoor-readable display
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Performance Overview

Scores based on quantifiable specification values (1-10 scale)

PerformanceDisplayBattery & ThermalsManageability & SecurityExpandability & RepairEcosystem & SoftwareValue
ExpertBook B9 OLED (B9403)
Dell Pro 14 Premium
ThinkPad X1 Carbon Gen 13
Performance
ExpertBook B9 OLED (B9403)
7.0
Dell Pro 14 Premium
8.0
ThinkPad X1 Carbon Gen 13
8.6
Display
ExpertBook B9 OLED (B9403)
8.2
Dell Pro 14 Premium
7.8
ThinkPad X1 Carbon Gen 13
8.8
Battery & Thermals
ExpertBook B9 OLED (B9403)
8.5
Dell Pro 14 Premium
7.8
ThinkPad X1 Carbon Gen 13
7.5
Manageability & Security
ExpertBook B9 OLED (B9403)
6.8
Dell Pro 14 Premium
8.8
ThinkPad X1 Carbon Gen 13
8.6
Expandability & Repair
ExpertBook B9 OLED (B9403)
7.6
Dell Pro 14 Premium
6.8
ThinkPad X1 Carbon Gen 13
8.2
Ecosystem & Software
ExpertBook B9 OLED (B9403)
7.5
Dell Pro 14 Premium
8.2
ThinkPad X1 Carbon Gen 13
8.5
Value
ExpertBook B9 OLED (B9403)
7.5
Dell Pro 14 Premium
6.1
ThinkPad X1 Carbon Gen 13
8.9

Detailed Specifications

Specification
ExpertBook B9 OLED (B9403)
ASUS
Dell Pro 14 Premium
Dell
ThinkPad X1 Carbon Gen 13
Lenovo
Performance
ProcessorIntel Core 7 150U (vPro Essentials) or Core 5 120U - Series 1 (Meteor Lake), 10 cores / 12 threadsCopilot+ Intel Core Ultra 200V "Lunar Lake", 8C/8T, 17.5 W, vPro Enterprise — Ultra 5 236V / 238V (4.7 GHz, 8 MB) or Ultra 7 266V / 268V (5 GHz, 12 MB)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 cores10 cores / 12 threads8C/8T (Copilot+ Lunar Lake, 17.5 W)Core Ultra 7 258V (Lunar Lake, 8-core); Core Ultra 7 255U (Arrow Lake, 12-core / 14-thread)
GraphicsIntel Graphics (integrated)Intel Arc 130V (Ultra 5) / Arc 140V (Ultra 7), integratedIntel Arc Graphics 140V (258V) / Intel Graphics (255U), integrated
Discrete GPUIntegrated Intel Graphics only — no discrete GPU optionIntegrated Intel Arc graphicsIntegrated only (Intel Arc 140V / Intel Graphics)
Memory & storage
Maximum memoryUp to 64 GB LPDDR5X (soldered, on-board)16 or 32 GB LPDDR5x-8533 on-package — fixed at order, not upgradeable; platform maximum 32 GB16 / 32 / 64 GB LPDDR5x soldered, dual-channel, not upgradable — Lunar Lake LPDDR5x-8533 to 32 GB · Arrow Lake LPDDR5x-8400 to 64 GB
Memory typeLPDDR5X (soldered, on-board)LPDDR5x-8533 on-package (fixed at order)LPDDR5x soldered, dual-channel (LPDDR5x-8533 / 8400)
Maximum storageUp to 2 TB M.2 2280 PCIe 4.0 x4 NVMe SSD512 GB M.2 2230 PCIe Gen4 x4 NVMe TLC on all six; platform options 256 GB–2 TB including 512 GB SED Opal 2.0M.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 size14.0"14.0"14.0″
Resolution2880 x 18001920 × 1200 (QHD+ 2880 × 1800 Tandem OLED on VPJ93)1920×1200 (WUXGA); 2880×1800 OLED option
Brightness400 nits400 nitsWUXGA 500-nit; 2.8K OLED
Panel14.0" 2.8K OLED (2880 x 1800) WQXGA+, 90 Hz, 400 nits, 100% DCI-P3, VESA DisplayHDR True Black 600, glossy14.0" 16:10 — FHD+ 1920 × 1200 anti-glare, 400 nits, 100% sRGB, 1200:1, ComfortView Plus (five stocked builds); QHD+ 2880 × 1800 Tandem OLED touch, 400 nits, 100% DCI-P3, Gorilla Glass Victus (VPJ93)WUXGA IPS anti-glare / 2.8K OLED 120 Hz, DisplayHDR True Black 500
Touchscreen--QHD+ 2880 × 1800 Tandem OLED touchscreen (VPJ93 build)WUXGA touch or non-touch; 2.8K OLED touch
Connectivity
Thunderbolt / USB4 ports2x Thunderbolt 4 (USB4)2× Thunderbolt 4 (USB-C, DisplayPort alt mode, Power Delivery) — either TB4 port charges the machine2× Thunderbolt 4 / USB4 40 Gbps (DisplayPort 2.1, PD 15–65 W)
Ports2x Thunderbolt 4 (USB4), 1x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1, 1x micro-HDMI (to RJ45 LAN), 3.5 mm comboLeft: Thunderbolt 4 (USB-C, DisplayPort alt mode, Power Delivery), HDMI 2.1, universal audio jack, battery LED. Right: Thunderbolt 4, USB-A 3.2 Gen 1 with PowerShare, wedge lock slot (nano-SIM tray on 5G builds only)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--Optional 5G (Snapdragon X72, eSIM) to order — stocked builds are WLAN-onlyOptional 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 1.14 kg (2.52 lb), configuration-dependentfrom 986 g (Lunar Lake) / 1006 g (Arrow Lake)
Dimensions311 x 215 x 15.7-16.9 mm311.2 × 216.7 mm, 16.4 mm (front) – 17.0 mm (rear)312.8 × 214.75 × 17.95 mm (WUXGA) / 16.95 mm max (OLED)
Security & management
Intel vProIntel vPro Essentials option (Core 7 150U)Copilot+ Intel Core Ultra 200V vPro Enterprise — vPro Enterprise on every stocked buildvPro 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+ thresholdIntel AI Boost — up to 40 TOPS (Ultra 5) or 48 TOPS (Ultra 7); Copilot+ PC on all stocked buildsCopilot+ on the Core Ultra 7 258V (47-TOPS NPU)
Battery
Battery capacity63 Wh, 3-cell Li-ion (65 W USB-C fast charge)3-cell 60 Wh, customer-replaceable57 Wh Li-ion, Rapid Charge to 80% in 1 hr
Rated battery life--ExpressCharge Boost 0–35% in 20 min, ExpressCharge 0–80% in 60 min; charges via either TB4 port; 60/65/100 W USB-C adaptersup to ~17 hr (MobileMark 25, WUXGA)
Support
Operating systemWindows 11 Pro (Windows 11 Home option)Windows 11 Pro (stocked); Windows 11 23H2/24H2, Windows 10 22H2 downgrade and Ubuntu 24.04 LTS supportedWindows 11 Pro (stocked); Windows 11 Home / Ubuntu / Fedora Linux to order
Base warranty1-year commercial warranty; ASUS extended / on-site uplift availableDell business warranty — cover level varies by configuration; ProSupport uplifts quotedBase 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 14 PremiumCopilot+ Intel Core Ultra 200V "Lunar Lake", 8C/8T, 17.5 W, vPro Enterprise — Ultra 5 236V / 238V (4.7 GHz, 8 MB) or Ultra 7 266V / 268V (5 GHz, 12 MB)
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 14 Premium8C/8T (Copilot+ Lunar Lake, 17.5 W)
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 14 PremiumIntel Arc 130V (Ultra 5) / Arc 140V (Ultra 7), 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 14 PremiumIntegrated Intel Arc graphics
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 14 Premium16 or 32 GB LPDDR5x-8533 on-package — fixed at order, not upgradeable; platform maximum 32 GB
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 14 PremiumLPDDR5x-8533 on-package (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 14 Premium512 GB M.2 2230 PCIe Gen4 x4 NVMe TLC on all six; platform options 256 GB–2 TB including 512 GB SED Opal 2.0
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 14 Premium14.0"
ThinkPad X1 Carbon Gen 1314.0″
Resolution
ExpertBook B9 OLED (B9403)2880 x 1800
Dell Pro 14 Premium1920 × 1200 (QHD+ 2880 × 1800 Tandem OLED on VPJ93)
ThinkPad X1 Carbon Gen 131920×1200 (WUXGA); 2880×1800 OLED option
Brightness
ExpertBook B9 OLED (B9403)400 nits
Dell Pro 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 14 Premium14.0" 16:10 — FHD+ 1920 × 1200 anti-glare, 400 nits, 100% sRGB, 1200:1, ComfortView Plus (five stocked builds); QHD+ 2880 × 1800 Tandem OLED touch, 400 nits, 100% DCI-P3, Gorilla Glass Victus (VPJ93)
ThinkPad X1 Carbon Gen 13WUXGA IPS anti-glare / 2.8K OLED 120 Hz, DisplayHDR True Black 500
Touchscreen
ExpertBook B9 OLED (B9403)--
Dell Pro 14 PremiumQHD+ 2880 × 1800 Tandem OLED touchscreen (VPJ93 build)
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 14 Premium2× Thunderbolt 4 (USB-C, DisplayPort alt mode, Power Delivery) — either TB4 port charges the machine
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 14 PremiumLeft: Thunderbolt 4 (USB-C, DisplayPort alt mode, Power Delivery), HDMI 2.1, universal audio jack, battery LED. Right: Thunderbolt 4, USB-A 3.2 Gen 1 with PowerShare, wedge lock slot (nano-SIM tray on 5G builds only)
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 14 PremiumOptional 5G (Snapdragon X72, eSIM) to order — stocked builds are WLAN-only
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 14 PremiumFrom 1.14 kg (2.52 lb), configuration-dependent
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 14 Premium311.2 × 216.7 mm, 16.4 mm (front) – 17.0 mm (rear)
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 14 PremiumCopilot+ Intel Core Ultra 200V vPro Enterprise — vPro Enterprise on every stocked build
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 14 PremiumIntel AI Boost — up to 40 TOPS (Ultra 5) or 48 TOPS (Ultra 7); Copilot+ PC on all stocked builds
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 14 Premium3-cell 60 Wh, customer-replaceable
ThinkPad X1 Carbon Gen 1357 Wh Li-ion, Rapid Charge to 80% in 1 hr
Rated battery life
ExpertBook B9 OLED (B9403)--
Dell Pro 14 PremiumExpressCharge Boost 0–35% in 20 min, ExpressCharge 0–80% in 60 min; charges via either TB4 port; 60/65/100 W USB-C adapters
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 14 PremiumWindows 11 Pro (stocked); Windows 11 23H2/24H2, Windows 10 22H2 downgrade 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 14 PremiumDell business warranty — cover level varies by configuration; ProSupport uplifts quoted
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

The Lenovo ThinkPad X1 Carbon Gen 13 delivers the strongest overall fleet proposition, combining a class-leading 986 g starting weight with 500-nit display options and Intel Core Ultra Series 2 processing.

Procurement teams face clear trade-offs across portability, power, and fleet management. Lenovo leads on field usability with its 986 g chassis, a 500-nit panel, optional 5G or 4G LTE mobile broadband, and configurations scaling to 64 GB memory. Its primary limitation is the smaller 57 Wh battery. Conversely, the ASUS ExpertBook B9 OLED secures the largest battery capacity at 63 Wh alongside a 0.99 kg chassis and a 2.8K OLED panel. However, its Intel Core Series 1 processor lacks Copilot+ 40+ TOPS NPU capability and offers only vPro Essentials.

The Dell Pro Premium 14 prioritises corporate compliance, providing Intel vPro Enterprise and Copilot+ AI Boost on every stocked Lunar Lake build, paired with a customer-replaceable 60 Wh battery. It compromises on flexibility, however, being capped at 32 GB on-package memory and weighing a heavier 1.14 kg. For mobile executives demanding top-tier brightness and minimal travel weight, the ThinkPad remains the benchmark.

ExpertBook B9 OLED (B9403)
Best for mobile professionals wanting high battery capacity and a 2.8K OLED display in a sub-1 kg chassis
Dell Pro 14 Premium
Best for corporate IT deployments requiring guaranteed vPro Enterprise and Copilot+ compliance across standard builds
ThinkPad X1 Carbon Gen 13
Best for travelling executives requiring an ultralight 986 g chassis with a 500-nit outdoor-readable display

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ExpertBook B9 OLED (B9403)
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