ASUS ROG Zephyrus Duo (2026) GX651 vs HP OmniBook X 14 (RTX Spark)
64.6Performance62.7
100Graphics—
58Displayspec-based58
79.4Batteryspec-based73.3
29.5Portabilityspec-based70.9
5 spec wins — ASUS ROG Zephyrus Duo (2026) GX6512 spec wins — HP OmniBook X 14 (RTX Spark)
InnoReviews verdict
This one is close to a dead heat: ASUS ROG Zephyrus Duo (2026) GX651 scores 65.1 against 65.3 for HP OmniBook X 14 (RTX Spark). Pick by the categories that matter to you, or by price.
Which would you pick?
Key differences
Reasons to pick the ASUS ROG Zephyrus Duo (2026) GX651
- 100% higher RAM: 64 GB vs 32 GB
- 100% higher storage: 2,048 GB vs 1,024 GB
- 79% higher charging: 250 W vs 140 W
- 14% higher Screen size: 16 ″ vs 14 ″
- 13% higher capacity: 90 Wh vs 80 Wh
Reasons to pick the HP OmniBook X 14 (RTX Spark)
- 39% lower weight: 1.71 kg vs 2.82 kg
- 32% lower thickness: 13.5 mm vs 19.9 mm
- Lower launch price: $3,000 vs $4,500
Display
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | HP OmniBook X 14 (RTX Spark) |
|---|---|---|
| Screen size | 16 ″+14% | 14 ″ |
| Panel type | Dual OLED touchscreens (ROG Nebula HDR, DisplayHDR True Black 1000, 100% DCI-P3, G-Sync on main screen) | OLED (touchscreen) |
| Resolution | 2880x1800 | 2880x1800 |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits | 1,100 nits |
Performance
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | HP OmniBook X 14 (RTX Spark) |
|---|---|---|
| Processor | Intel Core Ultra 9 386H | NVIDIA RTX Spark N1X (18-core) |
| Graphics | NVIDIA GeForce RTX 5090 Laptop GPU (24GB GDDR7) | NVIDIA Blackwell RTX GPU (integrated, 5120 CUDA cores) |
| RAM | 64 GB+100% | 32 GB |
| RAM type | LPDDR5X-8533 (soldered) | LPDDR5x (9400 MT/s, unified) |
| 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 NVMe SSD (Gen4 or Gen5, by configuration) |
Benchmarks
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | HP OmniBook X 14 (RTX Spark) |
|---|---|---|
| Geekbench 6 (single) | 2,913Top 31% | — |
| Geekbench 6 (multi) | 17,405Top 22% | — |
| 3DMark Time Spy Graphics (GPU) | 25,090Top 1% | — |
Battery
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | HP OmniBook X 14 (RTX Spark) |
|---|---|---|
| Capacity | 90 Wh+13% | 80 Wh |
| Web browsing endurance | 14.6 h | — |
| Charging | 250 W+79% | 140 W |
Design
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | HP OmniBook X 14 (RTX Spark) |
|---|---|---|
| Weight | 2.82 kg | 1.71 kg+39% |
| Thickness | 19.9 mm | 13.5 mm+32% |
| Material | Aluminum alloy (CNC-machined) | At least 50% recycled metal, at least 50% post-consumer recycled keyboard material |
Connectivity
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | HP OmniBook X 14 (RTX Spark) |
|---|---|---|
| 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 | 2x USB4 Type-C (40Gbps, DisplayPort 2.1, Power Delivery), 2x USB Type-A (10Gbps), HDMI 2.1, 3.5mm headphone/microphone combo |
| Wi-Fi | Wi-Fi 7 (802.11be) | Wi-Fi 7 |
| Bluetooth | 6.0 | 6.0 |
| Webcam | FHD (1080p) with IR | 5MP IR camera with privacy shutter |
| Biometrics | IR camera for Windows Hello face login | — |
Software
| Spec | ASUS ROG Zephyrus Duo (2026) GX651 | HP OmniBook X 14 (RTX Spark) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Home |
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