# Radeon RX 7900 XTX

> OnPrem World · https://onpremworld.com/en/hardware/amd-rx-7900-xtx · Last updated: 2026-10-14 · CC BY 4.0

24 GB of VRAM at 960 GB/s for $999 at launch, $600 less than the RTX 4090: the AMD route to 32B models at 4-bit, using ROCm or Vulkan instead of CUDA.

## Specifications

|  |  |
|---|---|
| Memory | 24 GB GDDR6 |
| Memory bandwidth | 960 GB/s |
| Power | 355 W |
| Launch | 2022-12 |
| Launch price | US$999 |
| Architecture | RDNA 3 |
| Software | ROCm / Vulkan |

## What it can run (24 GB, 8K)

Estimates, not benchmarks. See the methodology.

| Model | Parameters | Best quant | Total | tok/s (est.) |
|---|---|---|---|---|
| Qwen3.5-35B-A3B | 35B | Q4_K_M | 21.4 GiB | 369 |
| Qwen3.6-35B-A3B | 35B | Q4_K_M | 21.4 GiB | 369 |
| Qwen3-32B | 32.8B | Q4_K_M | 21.9 GiB | 34 |
| DeepSeek-R1-Distill-Qwen-32B | 32.76B | Q4_K_M | 21.9 GiB | 34 |
| Gemma 4 31B IT | 30.7B | Q5_K_M | 22.9 GiB | 31 |
| Qwen3-30B-A3B (2507) | 30.5B | Q5_K_M | 22.5 GiB | 286 |
| Qwen3-Coder-30B-A3B-Instruct | 30.5B | Q5_K_M | 22.5 GiB | 286 |
| GLM-4.7-Flash (30B-A3B) | 30B | Q5_K_M | 21.8 GiB | 315 |
| Qwen3.5-27B | 27B | Q6_K | 22.7 GiB | 30 |
| Qwen3.6-27B | 27B | Q6_K | 22.7 GiB | 30 |
| Qwen3.8-27B | 27B | Q6_K | 22.7 GiB | 30 |
| Gemma 3 27B IT | 27B | Q6_K | 23.3 GiB | 30 |
| Gemma 4 26B A4B IT | 25.2B | Q6_K | 21.1 GiB | 215 |
| Mistral Small 3.2 24B Instruct (2506) | 24B | Q6_K | 21.1 GiB | 34 |
| Magistral Small 1.2 (2509) | 24B | Q6_K | 21.1 GiB | 34 |
| Devstral Small 2 24B Instruct (2512) | 24B | Q6_K | 21.1 GiB | 34 |
| gpt-oss-20b | 21B | Q8_0 | 22.5 GiB | 176 |
| Phi-4 (14B) | 14B | Q8_0 | 16.6 GiB | 45 |
| Gemma 3 12B IT | 12B | Q8_0 | 13.8 GiB | 53 |
| Gemma 4 12B Unified IT | 11.95B | Q8_0 | 13.3 GiB | 53 |
| Qwen3.5-9B | 9B | FP16 | 18.4 GiB | 37 |
| Qwen3-8B | 8.2B | FP16 | 17.7 GiB | 41 |
| DeepSeek-R1-0528-Qwen3-8B | 8.19B | FP16 | 17.6 GiB | 41 |
| Llama 3.1 8B Instruct | 8B | FP16 | 17.1 GiB | 42 |
| Gemma 4 E4B IT | 8B | FP16 | 16.4 GiB | 42 |
| Llama 3.2 3B Instruct | 3.21B | FP16 | 7.7 GiB | 105 |
| Kimi K2.6 | 1000B | Doesn't fit | – | – |
| DeepSeek-R1-0528 (671B) | 671B | Doesn't fit | – | – |
| DeepSeek-V4-Flash | 284B | Doesn't fit | – | – |
| Qwen3.8-Flash-Next | 180B | Doesn't fit | – | – |
| Qwen3.5-122B-A10B | 122B | Doesn't fit | – | – |
| Mistral Small 4 119B (2603) | 119B | Doesn't fit | – | – |
| gpt-oss-120b | 117B | Doesn't fit | – | – |
| Llama 4 Scout 17B-16E Instruct | 109B | Doesn't fit | – | – |
| GLM-4.5-Air | 106B | Doesn't fit | – | – |
| Qwen3-Coder-Next (80B-A3B) | 80B | Doesn't fit | – | – |
| Llama 3.3 70B Instruct | 70B | Doesn't fit | – | – |

## Prices

Latest price at each shop, as listed on the day we checked.

| Region | Shop | Listing | Price | Per GB | Checked |
|---|---|---|---|---|---|
| US | Newegg (roboshine) | PowerColor Hellhound Radeon RX 7900 XTX 24GB GDDR6 PCI Express 4.0 ATX Graphics Card RX7900XTX 24G-L/OC (Newegg marketplace seller; ships from Hong Kong) | [US$1,353.11](https://www.newegg.com/powercolor-hellhound-rx7900xtx-24g-l-oc-radeon-rx-7900-xtx-24gb-graphics-card-triple-fans/p/N82E16814131808?Item=9SIBTK0KED1189) | US$56/GB | 2026-10-14 |

US value: about 138.6 tok/s on Llama 3.1 8B Instruct (Q4_K_M, 8K), or 10.2 tok/s per US$100.

All prices: https://onpremworld.com/en/prices.md

## Frequently asked questions

### Which LLMs can the Radeon RX 7900 XTX run?

With 24 GB and an 8K context, the largest models that fit include: Qwen3.5-35B-A3B, Qwen3.6-35B-A3B, Qwen3-32B, DeepSeek-R1-Distill-Qwen-32B, Gemma 4 31B IT. See the full table below.

### How fast is the Radeon RX 7900 XTX for local LLMs?

Generation speed is mostly set by memory bandwidth (960 GB/s). For Llama 3.1 8B Instruct at FP16, expect roughly 42 tokens/s; bigger models are slower.

### Can the Radeon RX 7900 XTX run 70B models?

Llama 3.3 70B Instruct does not fit on the Radeon RX 7900 XTX (24 GB), even at Q4_K_M with an 8K context.

## Sources

- https://www.amd.com/en/products/graphics/desktops/radeon/7000-series/amd-radeon-rx-7900xtx.html
- https://www.amd.com/en/newsroom/press-releases/2022-11-3-amd-unveils-world-s-most-advanced-gaming-graphics-.html
- https://www.custompc.com/amd-radeon-rx-7900-xtx-review
- https://rocm.docs.amd.com/en/latest/compatibility/compatibility-matrix.html