HP HP Z2 G1i Tower Workstation Review
The HP Z2 G1i workstation packs a phenomenal 24-core Intel CPU for heavy lifting, but pairs it with a mid-tier professional GPU. It's a specialist, not an all-rounder.
The 30-Second Version
The HP Z2 G1i is a CPU monster in a GPU compromise. Its 24-core Intel chip is elite for rendering and simulation, but the mid-range RTX A1000 graphics card holds it back. Worth it only if your software lives and dies by CPU power.
Overview
The HP Z2 G1i is a workstation that's built for heavy lifting, not for show. It's got a monster 24-core Intel Core Ultra 9 285K CPU that sits in the 97th percentile, which means it's ready to eat through complex simulations, renders, and code compiles without breaking a sweat.
Where it gets interesting is the balance. HP paired that top-tier CPU with a more modest NVIDIA RTX A1000 workstation GPU and 32GB of fast DDR5 RAM. It's a clear signal: this machine is for CPU-intensive tasks first, with graphics as a capable supporting player. The chassis is a standard tower, so you can upgrade it later, but out of the box, it's a specialist.
Performance
The CPU is the star here. That 24-core Intel chip delivers elite multi-threaded performance, making it a beast for rendering, simulation, and development workloads. Our database puts it in the top 3% for processing power. The 32GB of DDR5 RAM is plenty for most pro apps, and the 1TB NVMe SSD is fast for loading projects. The catch is the GPU. The RTX A1000 is a solid professional card, but its 54th percentile ranking means it's not for cutting-edge 3D rendering or AI training. It's more for driving multiple 4K displays and accelerating CAD viewports.
Pros & Cons
Pros
- Elite 24-core CPU performance for heavy multi-threaded work. 98th
- Solid foundation with fast DDR5 RAM and a PCIe 4.0 SSD. 79th
- Good port selection, including high-speed USB-C. 75th
- Standard tower design allows for future upgrades. 75th
Cons
- Mid-range workstation GPU holds back graphics-heavy tasks.
- It's heavy and not compact at all.
- No built-in Wi-Fi mentioned, which is odd for a modern desktop.
- The bundled keyboard and mouse are basic wired models.
Specifications
Full Specifications
Processor
| CPU | Intel Core Ultra 9 285K |
| Cores | 13 |
| Frequency | 3.7 GHz |
| L3 Cache | 36 MB |
Graphics
| GPU | Quadro RTX |
| Type | discrete |
| VRAM | 48 GB |
Memory & Storage
| RAM | 32 GB |
| RAM Generation | DDR5 |
| Storage | 1 TB |
| Storage Type | NVMe SSD |
Build
| Form Factor | Workstation |
| PSU | 700 |
| Weight | 8.6 kg / 19.0 lbs |
Connectivity
| HDMI | 4x Mini DisplayPort 1.4a Output |
| Bluetooth | No |
System
| OS | Windows 11 Pro |
Value & Pricing
At $2,899, this is a serious investment. You're paying a premium for that workstation-class CPU and the ISV-certified stability that comes with the Z2 brand. If your daily grind is CPU-bound—think complex simulations, compiling massive codebases, or rendering with CPU-based engines—this price makes sense. But if you need equal firepower in the graphics department, that cash might be better spent on a system with a more balanced spec sheet.
vs Competition
Compared to gaming desktops like the HP Omen 45L or Alienware Aurora R16 at a similar price, the Z2 G1i trades raw gaming GPU power for a far more powerful CPU and professional reliability. Those gaming PCs will crush it in games and some creative apps, but they can't match its sustained, multi-threaded compute performance for engineering software. Against other workstations, like a similarly priced Dell Precision, you'd need to check the exact CPU/GPU combo, as the Z2's value hinges entirely on whether you need those 24 cores more than a better graphics card.
| Spec | HP HP Z2 G1i Tower Workstation | HP OMEN HP OMEN 45L Gaming Desktop, Intel Core Ultra 7 | MSI MSI EdgeXpert-11SUS AI Supercomputer | Dell Dell Tower Plus Desktop Computer | Lenovo T Series Towers Legion Tower 5a Gen 10 (30L AMD) 90YJ001LUS | Apple Mac Studio Apple - Mac Studio - M3 Ultra - 1TB SSD - Silver |
|---|---|---|---|---|---|---|
| CPU | Intel Core Ultra 9 285K | Intel Core Ultra 7 265K | NVIDIA GB | Intel Core Ultra 7 265 | AMD Ryzen 7 7700X | Apple M3 Ultra |
| RAM (GB) | 32 | 32 | 128 | 32 | 32 | 96 |
| Storage (GB) | 1024 | 2048 | 4096 | 1024 | 2048 | 1000 |
| GPU | NVIDIA Quadro RTX | NVIDIA GeForce RTX 5080 | NVIDIA | NVIDIA GeForce RTX 5070 | NVIDIA GeForce RTX 5070 | Apple M3 Ultra 60-core |
| Form Factor | Workstation | Desktop | Mini | Tower | Tower | - |
| Psu W | 700 | 850 | 240 | 750 | 850 | - |
| OS | Windows 11 Pro | Windows 11 Pro | NVIDIA DGX OS | Windows 11 Home | Windows 11 Home | macOS |
| Compare | Compare | Compare | Compare | Compare |
Common Questions
Q: Can this run modern games?
It can, but not well at high settings. The RTX A1000 is a professional card optimized for CAD and rendering viewports, not gaming performance. You'd want a gaming desktop with an RTX 4070 or better instead.
Q: Is the RAM upgradeable?
Yes. It comes with 32GB of DDR5, and HP states it can be upgraded to 256GB. The standard tower case should make that a relatively straightforward DIY job.
Q: Does it include Wi-Fi and Bluetooth?
The spec sheet provided doesn't list them, which is surprising. Many workstations include them as add-in cards. You should confirm with the seller or be prepared to install a wireless adapter yourself.
Who Should Skip This
Gamers and high-end 3D/VFX artists should skip this. You're paying for a CPU you don't fully need while getting a GPU that can't handle demanding real-time rendering or gaming. For that $2,900 budget, a high-end gaming PC or a workstation with a much more powerful GPU like an RTX 4000 Ada will serve you far better.
Verdict
Buy this if you're an engineer, data scientist, or developer whose workflow is brutally CPU-intensive and who needs a stable, certified platform. The 24-core Intel chip is a legitimate workhorse. Just know you're getting a specialist, not an all-rounder.