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💻 ExpertBook B3 vs MacBook Pro 14 M5 vs Dell Pro Max 14
AI-powered analysis across 24 matched specifications
ExpertBook B3 (B3404)
ASUS
Overall Score
Best for field deployments requiring user-upgradeable SO-DIMM memory, built-in smart-card security, and native RJ-45 Ethernet.
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MacBook Pro 14" (M5)
Apple
Overall Score
Best for creative professionals and power users requiring extreme HDR brightness, up to 128 GB unified memory, and exceptional battery life.
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Dell Pro Max 14 Premium
Dell
Overall Score
Best for enterprise engineering and data teams requiring Intel vPro Enterprise management, discrete RTX PRO graphics, and Thunderbolt 5.
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Performance Overview
Scores based on quantifiable specification values (1-10 scale)
ExpertBook B3 (B3404)
MacBook Pro 14" (M5)
Dell Pro Max 14 Premium
Performance
ExpertBook B3 (B3404)
5.5
MacBook Pro 14" (M5)
9.5
Dell Pro Max 14 Premium
8.8
Display
ExpertBook B3 (B3404)
5.0
MacBook Pro 14" (M5)
9.8
Dell Pro Max 14 Premium
7.0
Battery & Thermals
ExpertBook B3 (B3404)
5.2
MacBook Pro 14" (M5)
9.4
Dell Pro Max 14 Premium
7.4
Manageability & Security
ExpertBook B3 (B3404)
6.5
MacBook Pro 14" (M5)
6.8
Dell Pro Max 14 Premium
9.2
Expandability & Repair
ExpertBook B3 (B3404)
8.8
MacBook Pro 14" (M5)
4.2
Dell Pro Max 14 Premium
5.5
Ecosystem & Software
ExpertBook B3 (B3404)
6.8
MacBook Pro 14" (M5)
8.9
Dell Pro Max 14 Premium
7.8
Value
ExpertBook B3 (B3404)
6.0
MacBook Pro 14" (M5)
8.2
Dell Pro Max 14 Premium
7.5
Detailed Specifications
| Specification | ExpertBook B3 (B3404) ASUS | MacBook Pro 14" (M5) Apple | Dell Pro Max 14 Premium Dell |
|---|---|---|---|
| Performance | |||
| Processor | Intel Core Ultra 7 155U / Core Ultra 5 125U (AI Boost NPU), or 13th-gen Core i7-1355U / i5-1335U / i5-1340P | M5 (10C CPU, 10C GPU) / M5 Pro (up to 14C CPU, 20C GPU) / M5 Max (up to 16C CPU, 40C GPU) | 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 |
| CPU cores | -- | M5: 10-core CPU · M5 Pro: up to 14-core CPU · M5 Max: up to 16-core CPU | 16 cores / 16 threads (6P + 8E + 2 LPE) |
| Graphics | Intel integrated; optional NVIDIA GeForce RTX 2050 (B3404CVF) | M5: 10-core GPU · M5 Pro: up to 20-core GPU · M5 Max: up to 40-core GPU | NVIDIA RTX PRO Blackwell 8 GB GDDR7 discrete (1000 and 2000 tiers stocked — tier confirmed at quote) + Intel Arc Pro 140T integrated |
| Discrete GPU | Optional NVIDIA GeForce RTX 2050 (B3404CVF) | Integrated Apple silicon GPU (M5 / M5 Pro / M5 Max SoC) | NVIDIA RTX PRO Blackwell 8 GB GDDR7 discrete |
| Memory & storage | |||
| Maximum memory | DDR5 SO-DIMM, 2 slots, up to 32 GB (user-upgradeable) | ✓M5: up to 32 GB · M5 Pro: up to 48 GB · M5 Max: up to 128 GB unified memory | 32 GB LPDDR5x-8400 dual-channel, onboard — fixed at purchase (platform maximum 64 GB, factory-configured only) |
| Memory type | DDR5 SO-DIMM, 2 slots (user-upgradeable) | Unified memory | LPDDR5x-8400 dual-channel, onboard (fixed at order) |
| Maximum storage | Up to 1 TB M.2 2280 PCIe 4.0 NVMe SSD; TCG Opal 2.0 SED option; second M.2 2230 slot on select SKUs | Up to 8 TB 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) |
| Display | |||
| Display size | 14.0" | 14.2" | 14.0" |
| Resolution | 1920 x 1200 | 3024 × 1964 | 1920 × 1200 (QHD+ 2880 × 1800 tandem OLED touch to order) |
| Brightness | 300 nits | ✓1000-nit sustained / 1600-nit peak HDR | 400 nits |
| Panel | 14.0" WUXGA (1920 x 1200) IPS 16:10, 300 nits, anti-glare; WQXGA (2560 x 1600) 500-nit touch option (CVF) | Liquid Retina XDR mini-LED, ProMotion 10-120 Hz, P3 wide colour | 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 |
| Touchscreen | WQXGA (2560 x 1600) 500-nit touch option (CVF) | -- | QHD+ (2880 × 1800) tandem OLED touch panel to order |
| Connectivity | |||
| Thunderbolt / USB4 ports | Thunderbolt 4 (USB4) | 3× Thunderbolt 4 (M5) or Thunderbolt 5 (M5 Pro / Max) | ✓2× Thunderbolt 5 (up to 120 Gbps with Bandwidth Boost) + 2× Thunderbolt 4 (40 Gbps) — all USB-C with PD + DisplayPort 2.1 |
| Ports | Thunderbolt 4 (USB4), 2x USB 3.2 Gen 2 Type-A, USB 3.2 Gen 2 Type-C (PD), HDMI 2.1, RJ45 Gigabit LAN, smart-card reader, 3.5 mm combo | MagSafe 3, 3× Thunderbolt 4 (M5) or Thunderbolt 5 (M5 Pro / Max), HDMI 2.1, SD card (UHS-II), 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 |
| Mobile broadband (4G/5G) option | -- | -- | No WWAN option |
| Physical | |||
| Weight (from) | ✓From 1.40 kg (3.09 lb); from 1.54 kg with discrete GPU | From 1.55 kg (3.4 lb) — M5; up to 1.62 kg M5 Max | From 1.61 kg |
| Dimensions | 313.7 x 226.8 x 19.9-23.9 mm | 312.6 × 221.2 × 15.5 mm | 310.6 × 212.5 mm; 19.32 mm front/rear, 20.12 mm peak (FHD+ config) |
| Security & management | |||
| Intel vPro | -- | N/A — Apple silicon (Secure Enclave) | Intel Core Ultra 7 265H vPro Enterprise; vPro Enterprise on both stocked configurations |
| Secured-core PC | -- | N/A — Secured-core PC is a Windows feature; Apple silicon uses the Secure Enclave | -- |
| Copilot+ PC (40+ TOPS NPU) | -- | N/A — Copilot+ PC is a Windows programme; Apple ships Apple Intelligence | -- |
| Battery | |||
| Battery capacity | 50 Wh (63 Wh on CVF), 3-cell Li-ion; 65 W / 90 W USB-C charging | ✓72.4 Wh — up to 24 hours video / 18 hours wireless web (M5) | 4-cell 72 Wh |
| Rated battery life | -- | Up to 24 hours video / 18 hours wireless web (M5) | ExpressCharge Boost 0–35% in ~20 min, ExpressCharge ~2 h; 130 W USB-C adapter (20 V / 6.5 A) |
| Support | |||
| Operating system | Windows 11 Pro (no-OS option on CVF) | macOS Tahoe (with Apple Intelligence) | Windows 11 Pro (shipped); Windows 11 Home and Ubuntu 24.04 LTS supported |
| Base warranty | 1-year commercial warranty; ASUS extended / on-site uplift available | 1-year limited; AppleCare+ for Business extends to 3 years + ADP | -- |
Performance
Processor
ExpertBook B3 (B3404)Intel Core Ultra 7 155U / Core Ultra 5 125U (AI Boost NPU), or 13th-gen Core i7-1355U / i5-1335U / i5-1340P
MacBook Pro 14" (M5)M5 (10C CPU, 10C GPU) / M5 Pro (up to 14C CPU, 20C GPU) / M5 Max (up to 16C CPU, 40C GPU)
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
CPU cores
ExpertBook B3 (B3404)--
MacBook Pro 14" (M5)M5: 10-core CPU · M5 Pro: up to 14-core CPU · M5 Max: up to 16-core CPU
Dell Pro Max 14 Premium16 cores / 16 threads (6P + 8E + 2 LPE)
Graphics
ExpertBook B3 (B3404)Intel integrated; optional NVIDIA GeForce RTX 2050 (B3404CVF)
MacBook Pro 14" (M5)M5: 10-core GPU · M5 Pro: up to 20-core GPU · M5 Max: up to 40-core GPU
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
Discrete GPU
ExpertBook B3 (B3404)Optional NVIDIA GeForce RTX 2050 (B3404CVF)
MacBook Pro 14" (M5)Integrated Apple silicon GPU (M5 / M5 Pro / M5 Max SoC)
Dell Pro Max 14 PremiumNVIDIA RTX PRO Blackwell 8 GB GDDR7 discrete
Memory & storage
Maximum memory
ExpertBook B3 (B3404)DDR5 SO-DIMM, 2 slots, up to 32 GB (user-upgradeable)
MacBook Pro 14" (M5)M5: up to 32 GB · M5 Pro: up to 48 GB · M5 Max: up to 128 GB unified memory
Dell Pro Max 14 Premium32 GB LPDDR5x-8400 dual-channel, onboard — fixed at purchase (platform maximum 64 GB, factory-configured only)
Memory type
ExpertBook B3 (B3404)DDR5 SO-DIMM, 2 slots (user-upgradeable)
MacBook Pro 14" (M5)Unified memory
Dell Pro Max 14 PremiumLPDDR5x-8400 dual-channel, onboard (fixed at order)
Maximum storage
ExpertBook B3 (B3404)Up to 1 TB M.2 2280 PCIe 4.0 NVMe SSD; TCG Opal 2.0 SED option; second M.2 2230 slot on select SKUs
MacBook Pro 14" (M5)Up to 8 TB 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)
Display
Display size
ExpertBook B3 (B3404)14.0"
MacBook Pro 14" (M5)14.2"
Dell Pro Max 14 Premium14.0"
Resolution
ExpertBook B3 (B3404)1920 x 1200
MacBook Pro 14" (M5)3024 × 1964
Dell Pro Max 14 Premium1920 × 1200 (QHD+ 2880 × 1800 tandem OLED touch to order)
Brightness
ExpertBook B3 (B3404)300 nits
MacBook Pro 14" (M5)1000-nit sustained / 1600-nit peak HDR
Dell Pro Max 14 Premium400 nits
Panel
ExpertBook B3 (B3404)14.0" WUXGA (1920 x 1200) IPS 16:10, 300 nits, anti-glare; WQXGA (2560 x 1600) 500-nit touch option (CVF)
MacBook Pro 14" (M5)Liquid Retina XDR mini-LED, ProMotion 10-120 Hz, P3 wide colour
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
Touchscreen
ExpertBook B3 (B3404)WQXGA (2560 x 1600) 500-nit touch option (CVF)
MacBook Pro 14" (M5)--
Dell Pro Max 14 PremiumQHD+ (2880 × 1800) tandem OLED touch panel to order
Connectivity
Thunderbolt / USB4 ports
ExpertBook B3 (B3404)Thunderbolt 4 (USB4)
MacBook Pro 14" (M5)3× Thunderbolt 4 (M5) or Thunderbolt 5 (M5 Pro / Max)
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
Ports
ExpertBook B3 (B3404)Thunderbolt 4 (USB4), 2x USB 3.2 Gen 2 Type-A, USB 3.2 Gen 2 Type-C (PD), HDMI 2.1, RJ45 Gigabit LAN, smart-card reader, 3.5 mm combo
MacBook Pro 14" (M5)MagSafe 3, 3× Thunderbolt 4 (M5) or Thunderbolt 5 (M5 Pro / Max), HDMI 2.1, SD card (UHS-II), 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
Mobile broadband (4G/5G) option
ExpertBook B3 (B3404)--
MacBook Pro 14" (M5)--
Dell Pro Max 14 PremiumNo WWAN option
Physical
Weight (from)
ExpertBook B3 (B3404)From 1.40 kg (3.09 lb); from 1.54 kg with discrete GPU
MacBook Pro 14" (M5)From 1.55 kg (3.4 lb) — M5; up to 1.62 kg M5 Max
Dell Pro Max 14 PremiumFrom 1.61 kg
Dimensions
ExpertBook B3 (B3404)313.7 x 226.8 x 19.9-23.9 mm
MacBook Pro 14" (M5)312.6 × 221.2 × 15.5 mm
Dell Pro Max 14 Premium310.6 × 212.5 mm; 19.32 mm front/rear, 20.12 mm peak (FHD+ config)
Security & management
Intel vPro
ExpertBook B3 (B3404)--
MacBook Pro 14" (M5)N/A — Apple silicon (Secure Enclave)
Dell Pro Max 14 PremiumIntel Core Ultra 7 265H vPro Enterprise; vPro Enterprise on both stocked configurations
Secured-core PC
ExpertBook B3 (B3404)--
MacBook Pro 14" (M5)N/A — Secured-core PC is a Windows feature; Apple silicon uses the Secure Enclave
Dell Pro Max 14 Premium--
Copilot+ PC (40+ TOPS NPU)
ExpertBook B3 (B3404)--
MacBook Pro 14" (M5)N/A — Copilot+ PC is a Windows programme; Apple ships Apple Intelligence
Dell Pro Max 14 Premium--
Battery
Battery capacity
ExpertBook B3 (B3404)50 Wh (63 Wh on CVF), 3-cell Li-ion; 65 W / 90 W USB-C charging
MacBook Pro 14" (M5)72.4 Wh — up to 24 hours video / 18 hours wireless web (M5)
Dell Pro Max 14 Premium4-cell 72 Wh
Rated battery life
ExpertBook B3 (B3404)--
MacBook Pro 14" (M5)Up to 24 hours video / 18 hours wireless web (M5)
Dell Pro Max 14 PremiumExpressCharge Boost 0–35% in ~20 min, ExpressCharge ~2 h; 130 W USB-C adapter (20 V / 6.5 A)
Support
Operating system
ExpertBook B3 (B3404)Windows 11 Pro (no-OS option on CVF)
MacBook Pro 14" (M5)macOS Tahoe (with Apple Intelligence)
Dell Pro Max 14 PremiumWindows 11 Pro (shipped); Windows 11 Home and Ubuntu 24.04 LTS supported
Base warranty
ExpertBook B3 (B3404)1-year commercial warranty; ASUS extended / on-site uplift available
MacBook Pro 14" (M5)1-year limited; AppleCare+ for Business extends to 3 years + ADP
Dell Pro Max 14 Premium--
★
Expert Analysis
Specs web-verified from manufacturer datasheets · Servnet-reviewed · Last reviewed 8 Sept 2026
For UK corporate fleets, the Dell Pro Max Premium 14 delivers dedicated workstation-class processing and enterprise fleet manageability, whilst the Apple MacBook Pro 14 provides unmatched screen brightness and unified memory scalability, leaving the ASUS ExpertBook B3 as the lightweight, modular alternative for general office duties. Organisations evaluating the Dell Pro Max Premium 14 gain an Intel Core Ultra 7 265H processor with vPro Enterprise, paired with NVIDIA RTX PRO Blackwell discrete graphics and dual Thunderbolt 5 ports. However, its memory is soldered at purchase, and the chassis omits native USB Type-A, HDMI, and RJ-45 ports. Conversely, the Apple MacBook Pro 14 excels in audio-visual fidelity and compute capacity, configurable with up to an M5 Max system-on-chip, 128 GB of unified memory, and a 1,000-nit sustained Liquid Retina XDR display with an 8 TB solid-state drive option. Nevertheless, macOS environments lack native vPro integration, requiring alternative management workflows. The ASUS ExpertBook B3 presents a distinctly different balance: starting at 1.40 kg, it is the lightest chassis in this group and retains dual DDR5 SO-DIMM slots for post-deployment RAM upgrades, complemented by integrated RJ-45 Gigabit LAN, HDMI 2.1, and a dedicated smart-card reader. However, its 50 Wh base battery capacity and 300-nit panel remain modest beside the premium displays and larger cells of its rivals.
ExpertBook B3 (B3404)
Best for field deployments requiring user-upgradeable SO-DIMM memory, built-in smart-card security, and native RJ-45 Ethernet.
MacBook Pro 14" (M5)
Best for creative professionals and power users requiring extreme HDR brightness, up to 128 GB unified memory, and exceptional battery life.
Dell Pro Max 14 Premium
Best for enterprise engineering and data teams requiring Intel vPro Enterprise management, discrete RTX PRO graphics, and Thunderbolt 5.
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ExpertBook B3 (B3404)
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