AMD Radeon RX 7900 XT vs NVIDIA GeForce RTX 5070 Ti

For running models locally, priced in the UK. At 8k context the first runs 23 models fully in memory, the second 16.

Specifications

SpecAMD Radeon RX 7900 XTNVIDIA GeForce RTX 5070 Ti
GPURadeon RX 7900 XTGeForce RTX 5070 Ti
Memory20 GB GDDR616 GB GDDR7
Memory bus320-bit256-bit
Memory bandwidth800 GB/s896 GB/s
FP16 compute103 TFLOPS88 TFLOPS
SoftwareROCmCUDA
Board power315 W300 W
PCIe generationGen 4Gen 5
PCIe lanesx16x16

What each runs

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

ModelAMD Radeon RX 7900 XTNVIDIA GeForce RTX 5070 Ti
Qwen 3.8 27B26tok/sUD-Q4_K_Moffload
Qwen 3.6 27B25tok/sQ4_K_Moffload
Qwen 3.5 27B25tok/sQ4_K_Moffload
Gemma 4 26B-A4B88tok/sUD-Q4_K_Moffload
GLM 4.7 Flash76tok/sQ4_K_Moffload
Devstral Small 2 24B24tok/sQ5_K_M35tok/sQ4_K_M
Qwen3 Coder 30B-A3B100tok/sQ4_K_Moffload
gpt-oss 20B100tok/sMXFP4127tok/sMXFP4
Gemma 4 12B34tok/sQ8_042tok/sQ8_0
Qwen 3.5 9B45tok/sQ8_056tok/sQ8_0
Gemma 3 27B25tok/sQ4_K_Moffload
Mistral Small 3.2 24B24tok/sQ5_K_M35tok/sQ4_K_M
Ministral 3 14B28tok/sQ8_035tok/sQ8_0
Qwen3 14B26tok/sQ8_041tok/sQ6_K
DeepSeek R1 0528 Qwen3 8B44tok/sQ8_056tok/sQ8_0
Qwen3 8B44tok/sQ8_056tok/sQ8_0
Phi-4 14B26tok/sQ8_041tok/sQ6_K
Qwen 3.5 4B92tok/sQ8_0116tok/sQ8_0
Ministral 3 8B43tok/sQ8_055tok/sQ8_0
Granite 4.2 8B41tok/sQ8_052tok/sQ8_0
Gemma 4 E4B52tok/sQ8_066tok/sQ8_0
LFM2.5 8B-A1B180tok/sQ8_0227tok/sQ8_0
Llama 3.1 8B57tok/sQ6_K72tok/sQ6_K
Qwen 3.5 122B-A10Boffloadoffload
Gemma 4 31Boffloadoffload
Mistral Small 4 119Boffloadoffload
Qwen 3.6 35B-A3Boffloadoffload
GLM 4.5 Airoffloadwon't run
Qwen 3.5 35B-A3Boffloadoffload
Nemotron 3.5 Lightning 30B-A3Boffloadoffload
Kimi Linear 48B-A3Boffloadoffload
Qwen3 32Boffloadoffload
DeepSeek R1 Distill Qwen 32Boffloadoffload
Llama 3.3 70Boffloadwon't run
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
Qwen3 Coder Nextwon't runwon't run
gpt-oss 120Bwon't runwon't run
Qwen3 Next 80B-A3Bwon't runwon't run