GIGABYTE AORUS MASTER 18 AM8H (2025) vs HP ZBook Ultra G3a (2026)
69.1Performance94.7
100Graphics—
78.4Displayspec-based38.4
98.7Batteryspec-based94.7
20Portabilityspec-based59.3
5 spec wins — GIGABYTE AORUS MASTER 18 AM8H (2025)3 spec wins — HP ZBook Ultra G3a (2026)
InnoReviews verdict
This one is close to a dead heat: GIGABYTE AORUS MASTER 18 AM8H (2025) scores 73.1 against 74.2 for HP ZBook Ultra G3a (2026). Pick by the categories that matter to you — HP ZBook Ultra G3a (2026) edges ahead in performance, or by price.
Which would you pick?
Key differences
Reasons to pick the GIGABYTE AORUS MASTER 18 AM8H (2025)
- 140% higher Peak brightness: 1,200 nits vs 500 nits
- 122% higher charging: 400 W vs 180 W
- 100% higher Refresh rate: 240 Hz vs 120 Hz
- 13% higher Screen size: 18 ″ vs 16 ″
Reasons to pick the HP ZBook Ultra G3a (2026)
- Stronger performance score: 95 vs 69
- 200% higher RAM: 192 GB vs 64 GB
- 46% lower weight: 1.9 kg vs 3.5 kg
- 42% lower thickness: 17.9 mm vs 30.9 mm
- Lower launch price: $3,599 vs $4,400
Display
| Spec | GIGABYTE AORUS MASTER 18 AM8H (2025) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Screen size | 18 ″+13% | 16 ″ |
| Panel type | Mini LED (VESA DisplayHDR 1000, G-SYNC, Pantone validated) | OLED |
| Resolution | 2560x1600 | 2880x1800 |
| Refresh rate | 240 Hz+100% | 120 Hz |
| Peak brightness | 1,200 nits+140% | 500 nits |
Performance
| Spec | GIGABYTE AORUS MASTER 18 AM8H (2025) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Processor | Intel Core Ultra 9 275HX | AMD Ryzen AI Max+ PRO 495 |
| Graphics | NVIDIA GeForce RTX 5090 Laptop GPU (24 GB GDDR7, up to 175 W) | AMD Radeon 8065S (integrated) |
| RAM | 64 GB | 192 GB+200% |
| RAM type | DDR5-5600 SO-DIMM (4 slots, up to 128 GB) | LPDDR5X-8533 (unified, soldered) |
| Storage | 2,048 GB | 2,048 GB |
| Storage type | PCIe Gen4 NVMe M.2 SSD (one Gen5 and two Gen4 M.2 slots) | PCIe 5.0 NVMe SSD |
Benchmarks
| Spec | GIGABYTE AORUS MASTER 18 AM8H (2025) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Geekbench 6 (single) | 3,033Top 20% | — |
| Geekbench 6 (multi) | 19,464Top 14% | — |
| 3DMark Time Spy Graphics (GPU) | 25,090Top 1% | — |
Battery
| Spec | GIGABYTE AORUS MASTER 18 AM8H (2025) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Capacity | 99 Wh+3% | 96 Wh |
| Charging | 400 W+122% | 180 W |
Design
| Spec | GIGABYTE AORUS MASTER 18 AM8H (2025) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Weight | 3.5 kg | 1.9 kg+46% |
| Thickness | 30.9 mm | 17.9 mm+42% |
| Material | — | Aluminum (Eclipse Gray) |
Connectivity
| Spec | GIGABYTE AORUS MASTER 18 AM8H (2025) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Ports | 1x Thunderbolt 5 USB-C (USB4, DisplayPort 2.1, PD 3.0), 1x Thunderbolt 4 USB-C (USB4, DisplayPort 1.4, PD 3.0), 3x USB-A 3.2 Gen 2, HDMI 2.1, 2.5GbE RJ-45, full-size SD card reader, 3.5mm headphone/mic combo jack | 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 (802.11be, 2x2) | Wi-Fi 7 |
| Bluetooth | 5.4 | 6.0 |
| Webcam | FHD (1080p) IR webcam with array microphone | 5MP IR + Windows Hello |
| Biometrics | IR face recognition (Windows Hello) | IR camera face unlock (Windows Hello) |
Software
| Spec | GIGABYTE AORUS MASTER 18 AM8H (2025) | HP ZBook Ultra G3a (2026) |
|---|---|---|
| Operating system | Windows 11 Home Advanced (US model) or Windows 11 Pro | Windows 11 Pro |
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