ASUS ExpertBook B5 G2 (B5405CAA) vs Lenovo Legion 9i Gen 10 (18IAX10)
62.7Performance70.8
26.5Display56.2
50.7Battery48.9
75.3Portability20
2 spec wins — ASUS ExpertBook B5 G2 (B5405CAA)7 spec wins — Lenovo Legion 9i Gen 10 (18IAX10)
InnoReviews verdict
This one is close to a dead heat: ASUS ExpertBook B5 G2 (B5405CAA) scores 53.3 against 53.2 for Lenovo Legion 9i Gen 10 (18IAX10). Pick by the categories that matter to you — ASUS ExpertBook B5 G2 (B5405CAA) edges ahead in portability and battery, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS ExpertBook B5 G2 (B5405CAA)
- Stronger portability score: 75 vs 20
- 58% lower weight: 1.48 kg vs 3.5 kg
- 45% lower thickness: 15.4 mm vs 28 mm
- Lower launch price: $2,940 vs $3,790
Reasons to pick the Lenovo Legion 9i Gen 10 (18IAX10)
- Stronger performance score: 71 vs 63
- Stronger display score: 56 vs 27
- 515% higher charging: 400 W vs 65 W
- 300% higher Refresh rate: 240 Hz vs 60 Hz
- 100% higher RAM: 64 GB vs 32 GB
Display
| Spec | ASUS ExpertBook B5 G2 (B5405CAA) | Lenovo Legion 9i Gen 10 (18IAX10) |
|---|---|---|
| Screen size | 14 ″ | 18 ″+29% |
| Panel type | IPS touchscreen (anti-glare, 100% sRGB) | IPS (glossy, non-touch, G-SYNC, DisplayHDR 400) |
| Resolution | 1920x1200 | 3840x2400 |
| Refresh rate | 60 Hz | 240 Hz+300% |
| Peak brightness | 400 nits | 520 nits+30% |
Performance
| Spec | ASUS ExpertBook B5 G2 (B5405CAA) | Lenovo Legion 9i Gen 10 (18IAX10) |
|---|---|---|
| Processor | Intel Core Ultra 7 356H | Intel Core Ultra 9 275HX |
| Graphics | Intel Graphics (integrated, 4 Xe3 cores) | NVIDIA GeForce RTX 5080 Laptop GPU (175W) |
| RAM | 32 GB | 64 GB+100% |
| RAM type | DDR5-5600 (SO-DIMM, 2 slots, up to 96GB) | DDR5-5200 (2x SO-DIMM; 4 slots total) |
| Storage | 1,024 GB | 2,048 GB+100% |
| Storage type | M.2 2280 NVMe PCIe 5.0 SSD | NVMe SSD (4x M.2 2280; one PCIe 5.0 slot, three PCIe 4.0) |
Benchmarks
| Spec | ASUS ExpertBook B5 G2 (B5405CAA) | Lenovo Legion 9i Gen 10 (18IAX10) |
|---|---|---|
| Geekbench 6 (single) | — | 3,062Top 16% |
| Geekbench 6 (multi) | — | 20,352Top 8% |
Battery
| Spec | ASUS ExpertBook B5 G2 (B5405CAA) | Lenovo Legion 9i Gen 10 (18IAX10) |
|---|---|---|
| Capacity | 63 Wh | 100 Wh+59% |
| Web browsing endurance | — | 5.6 h |
| Charging | 65 W | 400 W+515% |
Design
| Spec | ASUS ExpertBook B5 G2 (B5405CAA) | Lenovo Legion 9i Gen 10 (18IAX10) |
|---|---|---|
| Weight | 1.48 kg+58% | 3.5 kg |
| Thickness | 15.4 mm+45% | 28 mm |
| Material | Aluminum chassis (MIL-STD-810H tested) | Aluminum + forged carbon (top), aluminum (bottom) |
Connectivity
| Spec | ASUS ExpertBook B5 G2 (B5405CAA) | Lenovo Legion 9i Gen 10 (18IAX10) |
|---|---|---|
| Ports | 2x Thunderbolt 4 (USB4, display and power delivery), 2x USB 3.2 Gen 1 Type-A, 1x HDMI 2.1 TMDS, 1x RJ45 Gigabit Ethernet, microSD card reader, smart card reader (optional), 3.5mm combo audio jack | 2x Thunderbolt 5 (80Gbps, USB PD 95-100W, DisplayPort 2.1), 1x USB-C (10Gbps), 3x USB-A (10Gbps, one always-on), HDMI 2.1 (up to 8K/60Hz), 2.5GbE RJ-45, SD card reader, 3.5mm combo audio jack |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 7 |
| Bluetooth | 6.0 | 5.4 |
| Webcam | 5.0MP with IR and privacy shutter | 5MP + IR with e-shutter |
| Biometrics | Fingerprint sensor (power button) and IR camera for Windows Hello | IR camera for Windows Hello face recognition (no fingerprint reader) |
Software
| Spec | ASUS ExpertBook B5 G2 (B5405CAA) | Lenovo Legion 9i Gen 10 (18IAX10) |
|---|---|---|
| Operating system | Windows 11 Pro | Windows 11 (Home or Pro) |
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