HP OmniBook Ultra 16 (RTX Spark) vs HP ZBook Ultra G3a (2026)
62.7Performancespec-based94.7
58Displayspec-based38.4
98.7Batteryspec-based94.7
52.6Portabilityspec-based59.3
3 spec wins — HP OmniBook Ultra 16 (RTX Spark)4 spec wins — HP ZBook Ultra G3a (2026)
InnoReviews verdict
HP ZBook Ultra G3a (2026) wins this laptop face-off, 74.2 to 67.6. HP OmniBook Ultra 16 (RTX Spark) still makes sense if its price or standout specs fit your needs better.
Which would you pick?
Key differences
Reasons to pick the HP OmniBook Ultra 16 (RTX Spark)
- 120% higher Peak brightness: 1,100 nits vs 500 nits
- 12% lower thickness: 15.7 mm vs 17.9 mm
- Lower launch price: $3,200 vs $3,599
Reasons to pick the HP ZBook Ultra G3a (2026)
- 500% higher RAM: 192 GB vs 32 GB
- 100% higher storage: 2,048 GB vs 1,024 GB
- 29% higher charging: 180 W vs 140 W
- 14% lower weight: 1.9 kg vs 2.22 kg
Display
| Spec | HP OmniBook Ultra 16 (RTX Spark) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Screen size | 16 ″ | 16 ″ |
| Panel type | OLED (touchscreen) | OLED |
| Resolution | 2880x1800 | 2880x1800 |
| Refresh rate | 120 Hz | 120 Hz |
| Peak brightness | 1,100 nits+120% | 500 nits |
Performance
| Spec | HP OmniBook Ultra 16 (RTX Spark) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Processor | NVIDIA RTX Spark N1X (18-core) | AMD Ryzen AI Max+ PRO 495 |
| Graphics | NVIDIA Blackwell RTX GPU (integrated, 5120 CUDA cores) | AMD Radeon 8065S (integrated) |
| RAM | 32 GB | 192 GB+500% |
| RAM type | LPDDR5x (9400 MT/s, unified) | LPDDR5X-8533 (unified, soldered) |
| Storage | 1,024 GB | 2,048 GB+100% |
| Storage type | PCIe Gen5 NVMe SSD | PCIe 5.0 NVMe SSD |
Battery
| Spec | HP OmniBook Ultra 16 (RTX Spark) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Capacity | 99 Wh+3% | 96 Wh |
| Charging | 140 W | 180 W+29% |
Design
| Spec | HP OmniBook Ultra 16 (RTX Spark) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Weight | 2.22 kg | 1.9 kg+14% |
| Thickness | 15.7 mm+12% | 17.9 mm |
| Material | At least 50% recycled metal | Aluminum (Eclipse Gray) |
Connectivity
| Spec | HP OmniBook Ultra 16 (RTX Spark) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Ports | 2x USB4 Type-C (40Gbps, DisplayPort 2.1, Power Delivery), 2x USB Type-A (10Gbps), HDMI 2.1, microSD card reader, 3.5mm headphone/microphone combo | 2x Thunderbolt 4, USB-C 10Gbps, USB-A, HDMI 2.1, microSD, nano-SIM (5G option), 3.5mm audio, security lock |
| Wi-Fi | Wi-Fi 7 | Wi-Fi 7 |
| Bluetooth | 6.0 | 6.0 |
| Webcam | 5MP IR webcam | 5MP IR + Windows Hello |
| Biometrics | — | IR camera face unlock (Windows Hello) |
Software
| Spec | HP OmniBook Ultra 16 (RTX Spark) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Operating system | Windows 11 Home | Windows 11 Pro |
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