ASUS ROG Zephyrus Duo (2026) GX651 vs Lenovo Legion Pro 5i Gen 10 (16IAX10)
VS
64.6Performancespec-based64.7
100Graphics92.6
58Displayspec-based64.4
79.4Batteryspec-based73.3
29.5Portabilityspec-based32.5
5 spec wins — ASUS ROG Zephyrus Duo (2026) GX6515 spec wins — Lenovo Legion Pro 5i Gen 10 (16IAX10)
InnoReviews verdict
This one is close to a dead heat: ASUS ROG Zephyrus Duo (2026) GX651 scores 65.1 against 64.9 for Lenovo Legion Pro 5i Gen 10 (16IAX10). Pick by the categories that matter to you — ASUS ROG Zephyrus Duo (2026) GX651 edges ahead in graphics, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS ROG Zephyrus Duo (2026) GX651
- Stronger graphics score: 100 vs 93
- 100% higher RAM: 64 GB vs 32 GB
- 100% higher storage: 2,048 GB vs 1,024 GB
- 44% higher 3DMark Time Spy Graphics (GPU): 25,090 vs 17,434
- 23% lower thickness: 19.9 mm vs 26 mm
Reasons to pick the Lenovo Legion Pro 5i Gen 10 (16IAX10)
- 38% higher Refresh rate: 165 Hz vs 120 Hz
- 20% higher charging: 300 W vs 250 W
- 14% higher Geekbench 6 (multi): 19,885 vs 17,405
- 14% lower weight: 2.43 kg vs 2.82 kg
- Lower launch price: $1,499 vs $4,500
Display
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | Lenovo Legion Pro 5i Gen 10 (16IAX10) |
|---|---|---|
| Screen size | 16 ″ | 16 ″ |
| Panel type | Dual OLED touchscreens (ROG Nebula HDR, DisplayHDR True Black 1000, 100% DCI-P3, G-Sync on main screen) | OLED (glossy, non-touch) |
| Resolution | 2880x1800 | 2560x1600 |
| Refresh rate | 120 Hz | 165 Hz+38% |
| Peak brightness | 1,100 nits | 1,100 nits |
Performance
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | Lenovo Legion Pro 5i Gen 10 (16IAX10) |
|---|---|---|
| Processor | Intel Core Ultra 9 386H | Intel Core Ultra 9 275HX |
| Graphics | NVIDIA GeForce RTX 5090 Laptop GPU (24GB GDDR7) | NVIDIA GeForce RTX 5070 Ti Laptop |
| RAM | 64 GB+100% | 32 GB |
| RAM type | LPDDR5X-8533 (soldered) | DDR5-5600 or DDR5-6400 (2x SO-DIMM) |
| Storage | 2,048 GB+100% | 1,024 GB |
| Storage type | PCIe 5.0 NVMe M.2 SSD (2 slots, second slot PCIe 4.0 x4) | PCIe 4.0 NVMe SSD (2x M.2 slots) |
Benchmarks
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | Lenovo Legion Pro 5i Gen 10 (16IAX10) |
|---|---|---|
| Geekbench 6 (single) | 2,913Top 31% | 3,089+6%Top 13% |
| Geekbench 6 (multi) | 17,405Top 22% | 19,885+14%Top 11% |
| 3DMark Time Spy Graphics (GPU) | 25,090+44%Top 1% | 17,434Top 21% |
Battery
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | Lenovo Legion Pro 5i Gen 10 (16IAX10) |
|---|---|---|
| Capacity | 90 Wh+13% | 80 Wh |
| Web browsing endurance | 14.6 h | — |
| Charging | 250 W | 300 W+20% |
Design
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | Lenovo Legion Pro 5i Gen 10 (16IAX10) |
|---|---|---|
| Weight | 2.82 kg | 2.43 kg+14% |
| Thickness | 19.9 mm+23% | 26 mm |
| Material | Aluminum alloy (CNC-machined) | Aluminum (top), PC-ABS (bottom) |
Connectivity
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | Lenovo Legion Pro 5i Gen 10 (16IAX10) |
|---|---|---|
| Ports | 2x Thunderbolt 4 Type-C (40Gbps, DisplayPort and power delivery), 2x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1 FRL, UHS-II SD card reader, 3.5mm combo audio jack, DC-in, XG Mobile (GC34) connector | 1x Thunderbolt 4, 1x USB-C (10Gbps, DP 2.1, 65-100W PD), 1x USB-A 10Gbps (always on), 2x USB-A 5Gbps, HDMI 2.1, RJ-45 Gigabit Ethernet, 3.5mm combo jack |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 6 or Wi-Fi 7 (by configuration) |
| Bluetooth | 6.0 | 5.2 or 5.4 (by configuration) |
| Webcam | FHD (1080p) with IR | 5MP with e-shutter (720p on some configurations) |
| Biometrics | IR camera for Windows Hello face login | None (no fingerprint reader) |
Software
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | Lenovo Legion Pro 5i Gen 10 (16IAX10) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 (Home or Pro) |
Related comparisons
ASUS ROG Zephyrus Duo (2026) GX651vs Lenovo Legion Pro 5 Gen 10 AMD (16AFR10)VSASUS ROG Zephyrus Duo (2026) GX651vs MSI Pulse A16 AI+ C3XWVSASUS ROG Zephyrus Duo (2026) GX651vs Dell Pro Max 18 PlusVSASUS ROG Zephyrus Duo (2026) GX651vs MECHREVO Yaoshi 16 AirVSLenovo Legion Pro 5i Gen 10 (16IAX10)vs MSI Crosshair 16 Max HX E2WVSLenovo Legion Pro 5i Gen 10 (16IAX10)vs Alienware 16 Area-51 (AA16250)VSLenovo Legion Pro 5i Gen 10 (16IAX10)vs Lenovo Legion Pro 5 Gen 10 AMD (16AFR10)VSLenovo Legion Pro 5i Gen 10 (16IAX10)vs MSI Pulse A16 AI+ C3XWVS