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NVIDIA GeForce RTX 4070 Super vs AMD Radeon RX 7900 XTX

For running models locally, priced in the UK. At 64k context the first runs 17 models fully in memory, the second 42.

In short

The AMD Radeon RX 7900 XTX has more memory for models: 24 GB against 12 GB. At 64k context the AMD Radeon RX 7900 XTX runs 42 of the models we track fully in memory and the NVIDIA GeForce RTX 4070 Super 17; only the AMD Radeon RX 7900 XTX holds Qwen 3.8 27B. On the models both run fully in memory, the AMD Radeon RX 7900 XTX is about 1.7× as fast as the NVIDIA GeForce RTX 4070 Super (estimated, median across models). In the UK the NVIDIA GeForce RTX 4070 Super costs £874 at eBay and the AMD Radeon RX 7900 XTX £999 at Amazon: the NVIDIA GeForce RTX 4070 Super is £125 cheaper.

Updated . Speeds are estimates; how they are worked out.

NVIDIA GeForce RTX 4070 Super

£874

eBay

Add to build
AMD Radeon RX 7900 XTX

£999

Amazon

Add to build

Specifications

SpecNVIDIA GeForce RTX 4070 SuperAMD Radeon RX 7900 XTX
GPUGeForce RTX 4070 SuperRadeon RX 7900 XTX
Memory12 GB GDDR6X24 GB GDDR6
Memory bus192-bit384-bit
Memory bandwidth504 GB/s960 GB/s
FP16 compute71 TFLOPS123 TFLOPS
SoftwareCUDAROCm
Board power220 W355 W
PCIe generationGen 4Gen 4
PCIe lanesx16x16

What each runs

Estimated decode speed with the most precise quant that fits each one est.

ModelNVIDIA GeForce RTX 4070 SuperAMD Radeon RX 7900 XTX
Qwen 3.8 27Boffload24tok/sQ4_K_M
Qwen 3.6 27Boffload25tok/sQ4_K_M
Qwen 3.6 35B-A3Boffload97tok/sUD-Q4_K_M
Qwen 3.5 27Boffload25tok/sQ4_K_M
Gemma 4 26B-A4Boffload66tok/sUD-Q5_K_M
Qwen 3.5 35B-A3Boffload98tok/sQ4_K_M
GLM 4.7 Flashoffload48tok/sQ4_K_M
gpt-oss 20Boffload78tok/sMXFP4
Gemma 4 12B32tok/sQ5_K_M38tok/sQ8_0
Qwen 3.5 9B32tok/sQ6_K45tok/sQ8_0
Gemma 3 27Boffload24tok/sQ4_K_M
Ministral 3 14Boffload24tok/sQ6_K
Qwen3 14Boffload23tok/sQ6_K
DeepSeek R1 0528 Qwen3 8Boffload29tok/sQ8_0
Qwen3 8Boffload29tok/sQ8_0
Phi-4 14Boffload24tok/sQ4_K_M
Qwen 3.5 4B47tok/sQ8_079tok/sQ8_0
Ministral 3 8Boffload29tok/sQ8_0
Granite 4.2 8Boffload26tok/sQ8_0
Gemma 4 E4B31tok/sQ8_052tok/sQ8_0
LFM2.5 8B-A1B46tok/sUD-Q6_K74tok/sQ8_0
Llama 3.1 8Boffload35tok/sQ6_K
Qwen2.5 0.5B234tok/sQ8_0395tok/sQ8_0
Qwen3.5 0.8B191tok/sQ8_0323tok/sQ8_0
Qwen3.5 2B138tok/sQ5_K_M234tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B83tok/sQ8_0140tok/sQ8_0
MiniCPM5 2B57tok/sQ8_096tok/sQ8_0
LFM2.5 2.6B45tok/sQ8_077tok/sQ8_0
LFM2.5 VL 3B45tok/sQ8_077tok/sQ8_0
GLM 4.6V Flash35tok/sQ4_K_M42tok/sQ8_0
granite vision 4.1 4b35tok/sQ8_059tok/sQ8_0
granite 4.2 3b34tok/sQ8_057tok/sQ8_0
DeepSeek R1 Distill Qwen 7B31tok/sQ6_K45tok/sQ8_0
GLM 4 9B 041429tok/smlx-5bit48tok/smlx-5bit
Mellum2.1 12B A2.5B Thinkingoffload87tok/sQ8_0
Kimi VL A3B Thinking 2506offload62tok/sQ8_0
Kimi VL A3Boffload60tok/smlx-8bit
DeepSeek R1 Distill Llama 8Boffload31tok/sQ8_0
Ministral 3 8B Reasoning 2512offload29tok/sQ8_0
GLM 4.1V 9B Thinkingoffload37tok/smlx-8bit
LFM2.5 24B A2Boffload48tok/sQ4_K_M
DeepSeek R1 Distill Qwen 14Boffload23tok/sQ5_K_M
Qwen 3.5 122B-A10Bwon't runoffload
Gemma 4 31Boffloadoffload
Qwen3 Coder Nextwon't runoffload
Mistral Small 4 119Bwon't runoffload
Devstral Small 2 24Boffloadoffload
Qwen3 Next 80B-A3Bwon't runoffload
Nemotron 3.5 Lightning 30B-A3Boffloadoffload
Kimi Linear 48B-A3Boffloadoffload
Qwen3 Coder 30B-A3Boffloadoffload
Qwen3 32Boffloadoffload
Mistral Small 3.2 24Boffloadoffload
DeepSeek R1 Distill Qwen 32Boffloadoffload
Devstral Small 2507offloadoffload
Magistral Small 2506offloadoffload
Magistral Small 2507offloadoffload
Magistral Small 2509offloadoffload
granite 4.2 30boffloadoffload
DeepSeek V4 Flashwon't runwon't run
GLM 5.3 Flashwon't runwon't run
Qwen 3.8 Flash Nextwon't runwon't run
MiniMax M2.7won't runwon't run
Nemotron 3 Super 120B-A12Bwon't runwon't run
gpt-oss 120Bwon't runwon't run
GLM 4.5 Airwon't runwon't run
Llama 3.3 70Bwon't runwon't run
DeepSeek R1won't runwon't run
DeepSeek R1 0528won't runwon't run
DeepSeek R1 Distill Llama 70Bwon't runwon't run
DeepSeek R1 Zerowon't runwon't run
DeepSeek V3 0324won't runwon't run
DeepSeek V3.1won't runwon't run
DeepSeek V3.1 Terminuswon't runwon't run
DeepSeek V3.2won't runwon't run
DeepSeek V4 Flash 0731won't runwon't run
DeepSeek V4 Flash Vision Expwon't runwon't run
Devstral 2 123B Instruct 2512won't runwon't run
GLM 4.5Vwon't runwon't run
GLM 4.6won't runwon't run
GLM 4.6Vwon't runwon't run
GLM 4.7won't runwon't run
GLM 5.1won't runwon't run
GLM 5.2won't runwon't run
GLM 5.3won't runwon't run
Kimi Dev 72Bwon't runwon't run
Kimi K2won't runwon't run
Kimi K2 Instruct 0905won't runwon't run
Kimi K2 Thinkingwon't runwon't run
Kimi K2.5won't runwon't run
MiniMax M2won't runwon't run
MiniMax M2.1won't runwon't run
MiniMax M2.5won't runwon't run
MiniMax M3won't runwon't run
Mistral Medium 3.5 128Bwon't runwon't run

Questions

Which is better for local AI, the NVIDIA GeForce RTX 4070 Super or the AMD Radeon RX 7900 XTX?
Choose the AMD Radeon RX 7900 XTX to run bigger models. Choose the AMD Radeon RX 7900 XTX for speed. Choose the NVIDIA GeForce RTX 4070 Super to spend less.
Which can run bigger models, the NVIDIA GeForce RTX 4070 Super or the AMD Radeon RX 7900 XTX?
At 64k context the AMD Radeon RX 7900 XTX runs 42 of the models we track fully in memory and the NVIDIA GeForce RTX 4070 Super 17; only the AMD Radeon RX 7900 XTX holds Qwen 3.8 27B.
Which is faster for local AI, the NVIDIA GeForce RTX 4070 Super or the AMD Radeon RX 7900 XTX?
On the models both run fully in memory, the AMD Radeon RX 7900 XTX is about 1.7× as fast as the NVIDIA GeForce RTX 4070 Super (estimated, median across models).
What is the price difference between the NVIDIA GeForce RTX 4070 Super and the AMD Radeon RX 7900 XTX?
In the UK the NVIDIA GeForce RTX 4070 Super costs £874 at eBay and the AMD Radeon RX 7900 XTX £999 at Amazon: the NVIDIA GeForce RTX 4070 Super is £125 cheaper.

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