A Principled Technologies report: Hands-on testing. Real-world results.

Enjoy smoother creative workflows with the HP Z2 Tower G1i Workstation Desktop PC

We compared content creation and on-device AI performance on HP Z2 Tower G1i and Dell Pro Max Tower T2 desktops configured with identical Intel Core Ultra processors and NVIDIA RTX graphics

We live in a visual world. 65 percent of people are visual learners,1 and content with meaningful graphics gets more engagement, whether you’re talking about social media or consumers’ buying choices.2 The ability to create compelling visuals quickly is valuable no matter your industry. But it’s especially critical if you work in a role or organization where graphics-intensive 3D and AI workflows are part of your everyday activity. For those roles, a powerful computer can make the difference between a successful week and an unproductive one.

Intel® Core Ultra 200 series CPUs and NVIDIA RTX 6000 Ada Generation GPUs are professional-grade desktop processors designed to accelerate AI and graphics performance in professional workflows and AI-enabled creator applications.3,4 But does having these two components on its own mean two desktop workstations will deliver the same benefits?

To determine that, we configured HP Z2 Tower G1i and Dell Pro Max Tower T2 desktops with Intel® Core Ultra 9 285K processors and NVIDIA RTX 6000 Ada Generation graphics cards. Then, we compared content creation performance metrics from many angles. Read on to see what we found out.

What we tested

We configured each of the Windows 11 Pro desktops we tested with an Intel® Core Ultra 9 285K processor, NVIDIA RTX 6000 Ada Generation graphics, 1 TB of NVMe® PCIe® Gen 4 storage, and 64 GB of DDR5-5600 memory.

HP Z2 Tower G1i Workstation Desktop PC

Powered by a 24-core Intel® Core Ultra 9 285K processor with a built-in neural processing unit (NPU), the HP Z2 Tower G1i Tower AI workstation contains an NVIDIA RTX graphics card, up to 36 TB of total storage and RAID, and up to 256 GB of DDR5-5600 memory.5 HP reengineered components and redesigned thermals to “support high-end graphics and seamlessly run both single and multi-threaded apps for fast modeling, simulation, and rendering.”6 Learn more.

Dell Pro Max Tower T2 Desktop

Powered by an Intel® Core Ultra 9 285K processor with a dedicated NPU, the Dell Pro Max Tower T2 integrates both Intel® and NVIDIA RTX graphics options, up to 4 TB of storage and RAID, and up to 128 GB of 128 GB of DDR5-5600 memory.7 Dell designed this business PC with “innovative internals, including CPU with unlimited turbo duration and NVIDIA pro graphics in a 32L chassis.”8 Learn more.

We compared content creation and on-device AI performance using these benchmarks and AI image and text generation tools:

  • 3DMark®
  • Amuse 3.1
  • Automatic1111
  • Blender
  • Cinebench
  • Geekbench 6 Pro
  • Geekbench AI
  • Procyon® AI Image Generation Benchmark
  • Procyon AI Text Generation Benchmark
  • Topaz Video AI 6

Note: The graphs in this report use different scales to keep a consistent size. Please be mindful of each graph’s data range as you compare.

Accelerate general productivity efforts

Reducing bottlenecks in routine activities can free up time for higher-value activities. Both desktops were powered by identical 24-core Intel® Core Ultra 9 285K processors and NVIDIA RTX 6000 Ada Generation graphics cards—but they did not perform equally in the following CPU-intensive benchmarks.

While both Cinebench benchmarks use the Cinema 4D rendering pipeline, Cinebench R23 utilizes the legacy Cinema 4D rendering engine to measure CPU performance, and Cinebench 2024 utilizes the newer Redshift engine to measure CPU and GPU performance. The Cinebench 2024 scene is also more memory-intensive and compute-heavy than the Cinebench R23 scene.

Bar chart comparing Cinebench R23 benchmark CPU scores for two workstations. Higher is better. The HP Z2 Tower G1i bar shows 2,413 (single-core) and 42,402 (multi-core) and the Dell Pro Max Tower T2 bar shows 2,298 (single-core) and 39,279 (multi-core). Callout: Up to 7.9% better CPU performance for 3D rendering and content creation with the HP Z2 Tower G1i.
Cinebench R23 benchmark CPU results. Source: PT.
Bar chart comparing Cinebench 2024 benchmark CPU scores for two workstations. Higher is better. The HP Z2 Tower G1i bar shows 144 (single-core) and 2,353 (multi-core) and the Dell Pro Max Tower T2 bar shows 131 (single-core) and 2,310 (multi-core). Callout: Up to 9.9% better CPU performance for render-based workloads with the HP Z2 Tower G1i.
Cinebench 2024 benchmark CPU results. Source: PT.
Bar chart comparing Cinebench 2024 benchmark GPU scores for two workstations. Higher is better. The HP Z2 Tower G1i bar shows 32,185 and the Dell Pro Max Tower T2 bar shows 32,246. Callout: Comparable GPU performance (Dell Pro Max Tower T2 only 0.2% faster).
Cinebench 2024 benchmark GPU results. (The performance difference was 0.18 percent.) Source: PT.

The Geekbench 6 Pro benchmark measures CPU and GPU performance in real-world scenarios, including applying background blur effects, applying filters to or editing images, identifying objects and people in photos, analyzing and converting text, and more.11

Bar chart comparing Geekbench 6 Pro CPU scores for two workstations. Higher is better. The HP Z2 Tower G1i bar shows 3,273 (single-core) and 21,538 (multi-core) and the Dell Pro Max Tower T2 bar shows 3,237 (single-core) and 20,711 (multi-core). Callout: Up to 3.9% better CPU performance for image-processing and object-detection tasks with the HP Z2 Tower G1i.
Geekbench 6 Pro CPU benchmark results. Source: PT.
Bar chart comparing Geekbench 6 Pro GPU scores for two workstations. Higher is better. The HP Z2 Tower G1i bar shows 315,595 and the Dell Pro Max Tower T2 bar shows 307,261. Callout: Up to 2.7% better GPU performance for professional-level content creation workloads with the HP Z2 Tower G1i.
Geekbench 6 Pro GPU benchmark results. Source: PT.

The higher Cinebench R23, Cinebench 2024, and Geekbench 6 Pro CPU scores indicate the HP Z2 Tower G1i can handle demanding office tasks involving spreadsheets, presentations, and document processing more quickly than the Dell Pro Max Tower T2. Better multi-core performance also indicates that the HP Z2 Tower G1i should operate more smoothly than the Dell Pro Max Tower T2 when power users have many tabs open at once or are running multiple applications simultaneously.

Accelerate graphics rendering tasks

3D software has intensive hardware requirements, and rendering is one of the most demanding tasks this software performs. We pushed the HP Z2 Tower G1i and Dell Pro Max Tower T2 desktops to their limits in multiple rendering scenarios.

The 3DMark benchmark evaluates graphics rendering performance by running game-like scenes built on DirectX and Vulkan APIs.12 Each of the 3DMark workloads stresses the CPU and GPU in different ways:

  • Fire Strike Extreme tests DirectX 11 performance at 1440p resolution.
  • Port Royal tests real-time ray-tracing performance.
  • Steel Nomad Light Unlimited tests non-ray-tracing performance for light graphics workloads.
  • Time Spy Extreme tests 4K DirectX 12 performance.
  • Wild Life Extreme Unlimited tests GPU performance for light to medium graphics workloads.13
Bar chart comparing 3DMark benchmark scores for two workstations. Higher is better. The HP Z2 Tower G1i bars show Fire Strike Extreme 34,516; Time Spy Extreme 15,504; Port Royal 21,140; Steel Nomad Light Unlimited 37,917; Wild Life Extreme Unlimited 63,353. The Dell Pro Max Tower T2 bars show Fire Strike Extreme 31,487; Time Spy Extreme 13,845; Port Royal 17,689; Steel Nomad Light Unlimited 34,825; Wild Life Extreme Unlimited 57,920. Callout: Up to 19.5% better CPU and GPU performance for 3D rendering with the HP Z2 Tower G1i.
3DMark benchmark results. Source: PT.

Blender Benchmark measures how quickly Cycles and EEVEE engines can render path-tracing samples in the system under test. Each of the 3D Blender scenes stresses the hardware in different ways, allowing you to reference the score that best matches the type of work you do:

  • Classroom uses the Cycles engine.
  • Monster uses the EEVEE engine.
  • The Junk Shop uses the Cycles engine and renders a complex 3D splash screen.14
Bar chart comparing Blender samples-per-minute results for two workstations. Higher is better. The HP Z2 Tower G1i bars show Classroom 126.02; Monster 260.84; The Junk Shop 163.85. The Dell Pro Max Tower T2 bars show Classroom 122.73; Monster 242.54; The Junk Shop 158.90. Callout: Up to 7.5% more samples per minute for faster rendering and iteration times with the HP Z2 Tower G1i.
Blender benchmark results. Source: PT.

The higher 3DMark and Blender benchmark scores indicate the HP Z2 Tower G1i better supports advanced graphics features and faster render times for complex 3D scenes compared to the Dell Pro Max Tower T2.

Accelerate AI-enabled creator tasks

Business adoption of generative AI (GenAI) and chatbots powered by large language models (LLMs) is expanding. Enhanced on-device AI performance empowers those tasked with content creation to innovate, iterate rapidly, and manage large-scale projects with greater agility.

To evaluate each desktop’s ability to handle on-device GenAI-assisted content creation tasks, we generated images and videos with the AI art creation tool, Amuse 3.1.15 You might expect video generation to take longer than image generation, but in our testing, that wasn’t the case. This is because Amuse 3.1 image generation uses a model optimized for fine-grained detail and photorealism, and Amuse 3.1 video generation uses a model optimized for speed.16 Both are valuable metrics to understand when you’re considering a system for AI-enabled content generation tasks.

Bar chart comparing Amuse 3.1 content-generation times for two workstations, in minutes and seconds. Lower is better. The HP Z2 Tower G1i bars show time to generate an image 2:06 and time to generate a 2-second video 0:49. The Dell Pro Max Tower T2 bars show time to generate an image 2:26 and time to generate a 2-second video 1:00. Callout: Save 20 seconds when generating a high-res image. Save 11 seconds when generating a 2-second video with the HP Z2 Tower G1i.
Time to generate content with Amuse 3.1. Source: PT.

We also generated an image using the Automatic1111 Stable Diffusion web UI tool.17 Stable Diffusion 1.5 is an open-source image model that generates photorealistic images from text prompts.18

Bar chart comparing Stable Diffusion image-generation times for two workstations. Lower is better. The HP Z2 Tower G1i bar shows 1:50 and the Dell Pro Max Tower T2 bar shows 1:58. Callout: Save 8 seconds when generating a high-res image with the HP Z2 Tower G1i.
Time to create an image using the Automatic1111 Stable Diffusion web UI. Source: PT.

Procyon AI Image Generation Benchmark measures the inference performance of on-device AI accelerators.19 The Stable Diffusion XL test is more demanding than the Stable Diffusion 1.5 test; we ran both tests to capture a more comprehensive picture of performance.

Bar chart comparing Procyon AI Image Generation scores for two workstations. Higher is better. The HP Z2 Tower G1i bars show Stable Diffusion 1.5 (FP16) 3,346 and Stable Diffusion XL (FP16) 4,298. The Dell Pro Max Tower T2 bars show Stable Diffusion 1.5 (FP16) 3,087 and Stable Diffusion XL (FP16) 3,964. Callout: Up to 8.4% better on-device AI accelerator performance for high-quality image generation with the HP Z2 Tower G1i.
Procyon AI Image Generation Benchmark results. Source: PT.

Procyon AI Text Generation Benchmark measures on-device small language model (SLM) and LLM performance.20 These are the models and their use cases:

  • Llama 2 models automate natural language processing (NLP) tasks. These LLMs are helpful for handling queries across different languages in customer service chatbot scenarios.21
  • Llama 3 models take NLP task automation a step further, with improved reasoning, summarization, and translation capabilities. You might use this LLM for conversational-level support of nuanced customer queries, code generation, and symptom analysis and treatment recommendations in intelligent chatbot scenarios.22
  • Mistral models automate business processes. Companies including banks, insurance companies, and e-commerce stores use this LLM for customer support, content generation, and to develop interactive online learning materials.23
  • Phi-3.5 models are valuable for generative AI applications. This SLM powers virtual assistants, AI agents, chatbots, and on-device AI.24
Bar chart comparing Procyon AI Text Generation scores for two workstations. Higher is better. The HP Z2 Tower G1i bars show Llama 2 4,951; Llama 3.1 4,558; Phi 3.5 5,443; Mistral 7B 5,220. The Dell Pro Max Tower T2 bars show Llama 2 4,660; Llama 3.1 4,448; Phi 3.5 5,321; Mistral 7B 5,073. Callout: Up to 6.2% better AI inference performance for GenAI applications with the HP Z2 Tower G1i.
Procyon AI Text Generation Benchmark results. Source: PT.

Topaz Video is AI-powered video enhancement software. According to Topaz Labs®, this software enables users to “denoise low-light footage, recover and upscale old archival videos to 4K, restore focus, and adjust frame rate by creating new frames out of thin air.”25 The Topaz Video AI benchmark measures raw AI processing speed. It reports frames per second (FPS) for video upscaling (2x and 4x) and frame interpolation (SlowMo) at Full HD (1,920 x 1,080) and 4K (3,840 x 2,160) resolutions, using Iris, Proteus, Gaia, and Apollo AI models.26 Higher scores here indicate more raw AI processing speed, which can help shorten project iteration and completion times.

Bar chart comparing Topaz Video AI frames per second for two workstations. Higher is better. The HP Z2 Tower G1i bars show FHD Iris 2x 19.00; FHD Proteus 2x 18.37; 4K Apollo 4x SlowMo 12.02; 4K Gaia 2x 1.80. The Dell Pro Max Tower T2 bars show FHD Iris 2x 16.45; FHD Proteus 2x 16.85; 4K Apollo 4x SlowMo 10.88; 4K Gaia 2x 1.65. Callout: Up to 15.5% more frames per second for AI-powered video-processing with the HP Z2 Tower G1i.
Topaz Video AI results. Source: PT.

The higher benchmark scores in this area and faster text-prompted image and video creation indicate the HP Z2 Tower G1i can put your teams in a better position to handle emerging GenAI and chatbot-driven AI tasks versus an identically configured Dell Pro Max Tower T2.

Accelerate on-device machine learning workflows

By processing data locally, businesses and creators gain real-time insights, reduce latency, and enhance data privacy. And investing in desktops that go the extra mile can help you and your teams deliver results faster. In addition to faster data analysis and content generation, better on-device AI performance can enhance the user experience when interacting with applications that rely on AI (e.g., voice assistants, real-time translation, and photo enhancement) without also relying on cloud connectivity.

The Geekbench AI benchmark measures real-world machine learning (ML) performance using LLMs.27 Geekbench AI workloads cover a range of precision levels based on speed and accuracy requirements:

  • Single Precision (FP32) prioritizes precision over speed for real-time graphics rendering, financial modeling, and scientific simulation scenarios.
  • Half Precision (FP16) balances speed and precision for situations where visual perception is more important than numerical accuracy.
  • Quantized (INT8) prioritizes speed over precision for edge computing, real-time language translation, and opinion-mining scenarios.
Bar chart comparing Geekbench AI CPU scores by precision for two workstations. Higher is better. The HP Z2 Tower G1i bars show Single Precision (FP32) 9,799; Quantized (INT8) 16,981; Half Precision (FP16) 10,497. The Dell Pro Max Tower T2 bars show Single Precision (FP32) 9,570; Quantized (INT8) 17,323; Half Precision (FP16) 9,321. Callout: Up to 12.6% better on-device AI performance for ML workflows with the HP Z2 Tower G1i.
Geekbench AI results. Source: PT.

The generally higher Geekbench AI benchmark scores indicate the HP Z2 Tower G1i is better able to handle CPU-intensive on-device AI workloads—such as image recognition, natural language processing, and predicative analytics—in comparison to the Dell Pro Max Tower T2.

Conclusion

When configured with the same high-end Intel® Core Ultra 9 285K processor and NVIDIA RTX 6000 Ada Generation graphics, the HP Z2 Tower G1i delivered measurable content creation and on-device AI performance advantages over the Dell Pro Max Tower T2. These gains translate to faster rendering, quicker AI-assisted image and video generation, and improved responsiveness for creative and machine learning workflows—making the HP Z2 Tower G1i the stronger choice for professionals prioritizing raw performance and faster iteration times.

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This project was commissioned by HP.

February 2026

Principled Technologies is a registered trademark of Principled Technologies, Inc. All other product names are the trademarks of their respective owners.

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