HP OmniBook 3 17.3 inch vs MSI Vector 18 HX
Standardized 5-pillar engineering audit, thermal telemetry, verified longevity metrics, and complete technical specification diff.
A spacious 17.3-inch desktop replacement delivering modern AV1 media decoding and dependable everyday office utility, tempered by entry-tier 2-CU graphics and 8GB of base memory.
A powerful 18-inch gaming workstation with strong engineering foundations that trades some efficiency for maximum display size and component headroom.
Mizex Comparative Audit Verdict
5-Pillar Engineering Telemetry
Detailed comparison across standardized normalized 1.0 – 5.0 engineering pillars.
HP OmniBook 3 17.3 inch: Strengths & Caveats
- Expansive 17.3 in (439.4 mm) Full HD display provides generous visual workspace
- AMD Radeon 610M RDNA 2 graphics include hardware decoding support for AV1, VP9, and HEVC
- Integrated 1080p webcam features a hardware privacy shutter
- Modern wireless connectivity suite with Wi-Fi 6 and Bluetooth 5.4
- Base system memory is limited to 8GB DDR5, restricting heavy multitasking headroom
- Graphics compute is limited to 2 CUs (128 shaders), constraining 3D gaming and GPU-accelerated tasks
MSI Vector 18 HX: Strengths & Caveats
- Large 18-inch display provides immersive workspace for creators
- Robust chassis construction handles high-power components effectively
- Stable firmware updates ensure long-term system integrity
- Elevated power consumption reduces portability efficiency
- Acoustic output is significant during sustained heavy loads
- Premium pricing reflects niche form factor rather than component cost savings
Technical Specification Comparison
Side-by-side spec alignment. Rows highlighted with subtle shading denote differing specifications.
| Specification | HP OmniBook 3 17.3 inch | MSI Vector 18 HX |
|---|---|---|
| Brand DIFF | HP | MSI |
| Model DIFF | OmniBook 3 17.3 inch | MSI Vector 18 HX |
| Display Size DIFF | 17.3 in (439.4 mm) | — |
| Display Resolution DIFF | Full HD (1920 x 1080) | — |
| Display Type DIFF | Non-touch | — |
| Processor DIFF | AMD Ryzen 3 30 | — |
| Graphics Processing Unit DIFF | AMD Radeon 610M | — |
| GPU Architecture DIFF | AMD RDNA 2 | — |
| GPU Compute Units DIFF | 2 CUs (128 unified shaders) | — |
| Hardware Video Decoding DIFF | AV1, VP9, HEVC | — |
| System Memory DIFF | 8GB DDR5 | — |
| Internal Storage DIFF | 512GB SSD | — |
| Webcam DIFF | 1080p with integrated physical privacy shutter | — |
| Wireless Connectivity DIFF | Wi-Fi 6 | — |
| Bluetooth DIFF | 5.4 | — |
| Operating System DIFF | Windows 11 Pro | — |
| Processor DIFF | — | Intel Core Ultra 9 275HX / Core i9-14900HX (Up to 24 cores / 5.8 GHz) |
| Graphics DIFF | — | NVIDIA GeForce RTX 5090 / RTX 5080 / RTX 5070 Ti (Up to 175W TGP with Dynamic Boost) |
| Display DIFF | — | 18.0-inch 16:10 WQXGA (2560 x 1600), 240Hz, IPS-level, 100% DCI-P3 (AUO B180QAN01.0 panel) |
| Memory DIFF | — | Up to 96GB DDR5-5600MHz (2x SO-DIMM slots) |
| Storage DIFF | — | Dual M.2 NVMe slots (1x PCIe Gen 5 x4 + 1x PCIe Gen 4 x4) |
| Thermal System DIFF | — | Cooler Boost 5 with shared-pipe dual-fan architecture and 6 heatpipes |
| Battery DIFF | — | 4-cell 99.99 Whr Li-Polymer (legal airline maximum limit) |
| Power Adapter DIFF | — | 330W AC Power Brick |
| Networking DIFF | — | Intel Killer Wi-Fi 7 BE1750 + Bluetooth 5.4, 2.5 Gigabit Ethernet LAN |
| Ports DIFF | — | 1x Thunderbolt 5 / USB-C (DisplayPort, USB-PD), 1x USB 3.2 Gen 2 Type-C (DP), 3x USB 3.2 Gen 2 Type-A, 1x HDMI 2.1 (8K@60Hz / 4K@120Hz), 1x Full-Size SD Express Card Reader, 1x 3.5mm Combo Audio Jack |
| Audio Webcam DIFF | — | FHD (1080p@30fps) IR Webcam with Windows Hello & Privacy Shutter, 2x 2W Stereo Speakers with Nahimic Audio |
| Keyboard DIFF | — | SteelSeries Per-Key RGB Gaming Keyboard with full numeric keypad |
| Dimensions DIFF | — | 404 x 307.5 x 24.0-32.05 mm (15.91 x 12.11 x 0.94-1.26 in) |
| Weight DIFF | — | 3.60 kg (7.94 lbs) |
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