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💻 ASUS ExpertBook B9 vs B5 vs B3

AI-powered analysis across 14 matched specifications

ASUS ExpertBook B9 OLED (B9403) 14-inch ultralight magnesium-lithium business laptop, open front view
ExpertBook B9 OLED (B9403)
ASUS
8.0
Overall Score
Best premium ultralight — 0.99 kg with a Pantone OLED and dual Thunderbolt 4 for mobile executives.
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ASUS ExpertBook B5 (B5404) 14-inch mainstream business laptop, open front view
ExpertBook B5 (B5404 / B5604)
ASUS
8.2
Overall Score
Best all-rounder — 500-nit WQXGA, upgradeable memory, optional RTX (16"), Wi-Fi 7 and self-encrypting storage.
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ASUS ExpertBook B3 (B3404) 14-inch durable mainstream business laptop, open front view
ExpertBook B3 (B3404)
ASUS
8.0
Overall Score
Best durable value at scale — upgradeable memory, optional RTX 2050 and EPEAT Gold / TCO green credentials.
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Performance Overview

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

PerformanceDisplayPortabilityUpgradeabilityConnectivityValue for money
ExpertBook B9 OLED (B9403)
ExpertBook B5 (B5404 / B5604)
ExpertBook B3 (B3404)
Performance
ExpertBook B9 OLED (B9403)
7.4
ExpertBook B5 (B5404 / B5604)
7.8
ExpertBook B3 (B3404)
7.6
Display
ExpertBook B9 OLED (B9403)
8.6
ExpertBook B5 (B5404 / B5604)
8.4
ExpertBook B3 (B3404)
7.4
Portability
ExpertBook B9 OLED (B9403)
9.4
ExpertBook B5 (B5404 / B5604)
8.4
ExpertBook B3 (B3404)
8.0
Upgradeability
ExpertBook B9 OLED (B9403)
6.5
ExpertBook B5 (B5404 / B5604)
8.6
ExpertBook B3 (B3404)
8.6
Connectivity
ExpertBook B9 OLED (B9403)
7.6
ExpertBook B5 (B5404 / B5604)
8.2
ExpertBook B3 (B3404)
7.8
Value for money
ExpertBook B9 OLED (B9403)
8.0
ExpertBook B5 (B5404 / B5604)
8.2
ExpertBook B3 (B3404)
8.6

Detailed Specifications

Specification
ExpertBook B9 OLED (B9403)
ASUS
ExpertBook B5 (B5404 / B5604)
ASUS
ExpertBook B3 (B3404)
ASUS
Display
Panel14" 2.8K OLED 2880 × 1800, 90 Hz, 400 nits, HDR True Black 60014" or 16" WQXGA 2560 × 1600 IPS, up to 500 nits14" WUXGA 1920 × 1200 IPS, 300 nits (WQXGA 500-nit option)
Colour100% DCI-P3, Pantone Validated100% DCI-P3Anti-glare IPS
Compute and memory
CPUIntel Core 5/7 (Series 1 U, vPro Essentials option)Intel Core Ultra 5/7 (Series 1, vPro option) + NPUIntel Core Ultra 5/7 (Series 1) + NPU, or 13th-gen Core
MemoryUp to 64 GB LPDDR5X (soldered)DDR5 SO-DIMM up to 32 GB (dual slot)DDR5 SO-DIMM up to 32 GB (dual slot)
Upgradeable RAMNo — solderedYes — dual SO-DIMMYes — dual SO-DIMM
Discrete GPUNoOptional RTX-class (16" B5604)Optional RTX 2050 (B3404CVF)
Portability and build
WeightFrom 0.99 kgFrom 1.29 kg (14")From 1.40 kg
ChassisMagnesium-lithium, MIL-STD-810HMIL-STD-810H testedMIL-STD-810H, spill-resistant keyboard
Battery63 Wh, 65 W USB-C63 Wh, 65 W / 90 W USB-CLong-life with fast charge
Connectivity and ports
Ports2× Thunderbolt 4, USB-A, HDMI 2.1, LAN dongle2× Thunderbolt 4, 2× USB-A, RJ-45, smart-cardThunderbolt 4, USB-A, USB-C, HDMI 2.1, RJ-45
WirelessWi-Fi 6E + BT 5.4Wi-Fi 7 option + BT 5.4, optional 4GWi-Fi 6E + BT, model dependent
Business and management
SecurityTPM 2.0, fingerprint, ExpertGuardianTPM 2.0, TCG Opal 2.0 SSD, Absolute PersistenceTPM 2.0, Absolute Persistence, Kensington Nano slot
ManageabilityvPro Essentials optionvPro manageability optionStandard manageability
CertificationsPantone Validated, MIL-STD-810HMIL-STD-810HEPEAT Gold, ENERGY STAR 8.0, TCO Certified
Display
Panel
ExpertBook B9 OLED (B9403)14" 2.8K OLED 2880 × 1800, 90 Hz, 400 nits, HDR True Black 600
ExpertBook B5 (B5404 / B5604)14" or 16" WQXGA 2560 × 1600 IPS, up to 500 nits
ExpertBook B3 (B3404)14" WUXGA 1920 × 1200 IPS, 300 nits (WQXGA 500-nit option)
Colour
ExpertBook B9 OLED (B9403)100% DCI-P3, Pantone Validated
ExpertBook B5 (B5404 / B5604)100% DCI-P3
ExpertBook B3 (B3404)Anti-glare IPS
Compute and memory
CPU
ExpertBook B9 OLED (B9403)Intel Core 5/7 (Series 1 U, vPro Essentials option)
ExpertBook B5 (B5404 / B5604)Intel Core Ultra 5/7 (Series 1, vPro option) + NPU
ExpertBook B3 (B3404)Intel Core Ultra 5/7 (Series 1) + NPU, or 13th-gen Core
Memory
ExpertBook B9 OLED (B9403)Up to 64 GB LPDDR5X (soldered)
ExpertBook B5 (B5404 / B5604)DDR5 SO-DIMM up to 32 GB (dual slot)
ExpertBook B3 (B3404)DDR5 SO-DIMM up to 32 GB (dual slot)
Upgradeable RAM
ExpertBook B9 OLED (B9403)No — soldered
ExpertBook B5 (B5404 / B5604)Yes — dual SO-DIMM
ExpertBook B3 (B3404)Yes — dual SO-DIMM
Discrete GPU
ExpertBook B9 OLED (B9403)No
ExpertBook B5 (B5404 / B5604)Optional RTX-class (16" B5604)
ExpertBook B3 (B3404)Optional RTX 2050 (B3404CVF)
Portability and build
Weight
ExpertBook B9 OLED (B9403)From 0.99 kg
ExpertBook B5 (B5404 / B5604)From 1.29 kg (14")
ExpertBook B3 (B3404)From 1.40 kg
Chassis
ExpertBook B9 OLED (B9403)Magnesium-lithium, MIL-STD-810H
ExpertBook B5 (B5404 / B5604)MIL-STD-810H tested
ExpertBook B3 (B3404)MIL-STD-810H, spill-resistant keyboard
Battery
ExpertBook B9 OLED (B9403)63 Wh, 65 W USB-C
ExpertBook B5 (B5404 / B5604)63 Wh, 65 W / 90 W USB-C
ExpertBook B3 (B3404)Long-life with fast charge
Connectivity and ports
Ports
ExpertBook B9 OLED (B9403)2× Thunderbolt 4, USB-A, HDMI 2.1, LAN dongle
ExpertBook B5 (B5404 / B5604)2× Thunderbolt 4, 2× USB-A, RJ-45, smart-card
ExpertBook B3 (B3404)Thunderbolt 4, USB-A, USB-C, HDMI 2.1, RJ-45
Wireless
ExpertBook B9 OLED (B9403)Wi-Fi 6E + BT 5.4
ExpertBook B5 (B5404 / B5604)Wi-Fi 7 option + BT 5.4, optional 4G
ExpertBook B3 (B3404)Wi-Fi 6E + BT, model dependent
Business and management
Security
ExpertBook B9 OLED (B9403)TPM 2.0, fingerprint, ExpertGuardian
ExpertBook B5 (B5404 / B5604)TPM 2.0, TCG Opal 2.0 SSD, Absolute Persistence
ExpertBook B3 (B3404)TPM 2.0, Absolute Persistence, Kensington Nano slot
Manageability
ExpertBook B9 OLED (B9403)vPro Essentials option
ExpertBook B5 (B5404 / B5604)vPro manageability option
ExpertBook B3 (B3404)Standard manageability
Certifications
ExpertBook B9 OLED (B9403)Pantone Validated, MIL-STD-810H
ExpertBook B5 (B5404 / B5604)MIL-STD-810H
ExpertBook B3 (B3404)EPEAT Gold, ENERGY STAR 8.0, TCO Certified

Expert Analysis

AI-assisted analysis based on published specifications

The ASUS ExpertBook range covers the full business spectrum, and each tier answers a different procurement brief. The ExpertBook B9 OLED is the flagship ultralight — a 0.99 kg magnesium-lithium body with a Pantone-validated 2.8K OLED and dual Thunderbolt 4 — the executive carry, though its memory is soldered and it runs a U-class platform. The ExpertBook B5 OLED is the mainstream workhorse and arguably the best all-rounder: a 500-nit WQXGA panel, 14- or 16-inch options, upgradeable dual SO-DIMM memory, optional discrete RTX graphics on the 16-inch, Wi-Fi 7, a smart-card reader and self-encrypting storage. The ExpertBook B3 is the value fleet laptop — the most durable-feeling of the three with a spill-resistant keyboard, upgradeable memory, an optional RTX 2050 and the strongest green credentials (EPEAT Gold, TCO Certified) — built for high-volume, cost-sensitive deployment. Choose the B9 for the lightest premium carry, the B5 for the best-equipped mainstream estate, and the B3 for durable, certified value at scale.

ExpertBook B9 OLED (B9403)
Best premium ultralight — 0.99 kg with a Pantone OLED and dual Thunderbolt 4 for mobile executives.
ExpertBook B5 (B5404 / B5604)
Best all-rounder — 500-nit WQXGA, upgradeable memory, optional RTX (16"), Wi-Fi 7 and self-encrypting storage.
ExpertBook B3 (B3404)
Best durable value at scale — upgradeable memory, optional RTX 2050 and EPEAT Gold / TCO green credentials.

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ExpertBook B9 OLED (B9403)
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ExpertBook B5 (B5404 / B5604)
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ExpertBook B3 (B3404)
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