readygpu

NVIDIA GeForce RTX 3080 10GB vs AMD Radeon RX 7800 XT

For running models locally, priced in Canada. At 8k context the first runs 23 models fully in memory, the second 31.

In short

The AMD Radeon RX 7800 XT has more memory for models: 16 GB against 10 GB. At 8k context the AMD Radeon RX 7800 XT runs 31 of the models we track fully in memory and the NVIDIA GeForce RTX 3080 10GB 23; only the AMD Radeon RX 7800 XT holds gpt-oss 20B. On the models both run fully in memory, the NVIDIA GeForce RTX 3080 10GB is about 1.4× as fast as the AMD Radeon RX 7800 XT (estimated, median across models). In Canada the NVIDIA GeForce RTX 3080 10GB costs $769 at Amazon and the AMD Radeon RX 7800 XT $815 at Amazon: the NVIDIA GeForce RTX 3080 10GB is $46 cheaper.

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

NVIDIA GeForce RTX 3080 10GB

$769

Amazon

Add to build
AMD Radeon RX 7800 XT

$815

Amazon

Add to build

Specifications

SpecNVIDIA GeForce RTX 3080 10GBAMD Radeon RX 7800 XT
GPUGeForce RTX 3080 10GBRadeon RX 7800 XT
Memory10 GB GDDR6X16 GB GDDR6
Memory bus320-bit256-bit
Memory bandwidth760 GB/s624 GB/s
FP16 compute59.5 TFLOPS74 TFLOPS
SoftwareCUDAROCm
Board power320 W263 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 3080 10GBAMD Radeon RX 7800 XT
gpt-oss 20Boffload78tok/sMXFP4
Gemma 4 12B53tok/sQ5_K_M26tok/sQ8_0
Qwen 3.5 9B61tok/sQ6_K35tok/sQ8_0
Ministral 3 14Boffload28tok/sQ6_K
Qwen3 14Boffload26tok/sQ6_K
DeepSeek R1 0528 Qwen3 8B59tok/sQ6_K35tok/sQ8_0
Qwen3 8B59tok/sQ6_K35tok/sQ8_0
Phi-4 14Boffload25tok/sQ6_K
Qwen 3.5 4B98tok/sQ8_072tok/sQ8_0
Ministral 3 8B58tok/sQ6_K34tok/sQ8_0
Granite 4.2 8B53tok/sQ6_K32tok/sQ8_0
Gemma 4 E4B56tok/sQ8_041tok/sQ8_0
LFM2.5 8B-A1B228tok/sUD-Q6_K140tok/sQ8_0
Llama 3.1 8B61tok/sQ6_K45tok/sQ6_K
Qwen2.5 0.5B746tok/sQ8_0543tok/sQ8_0
Qwen3.5 0.8B506tok/sQ8_0369tok/sQ8_0
Qwen3.5 2B303tok/sQ5_K_M221tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B221tok/sQ8_0161tok/sQ8_0
MiniCPM5 2B155tok/sQ8_0113tok/sQ8_0
LFM2.5 2.6B140tok/sQ8_0102tok/sQ8_0
LFM2.5 VL 3B140tok/sQ8_0102tok/sQ8_0
granite vision 4.1 4b110tok/sQ8_080tok/sQ8_0
granite 4.2 3b103tok/sQ8_075tok/sQ8_0
GLM 4.6V Flash73tok/sQ4_K_M33tok/sQ8_0
Ministral 3 8B Reasoning 251265tok/sQ5_K_M34tok/sQ8_0
DeepSeek R1 Distill Llama 8B61tok/sQ6_K36tok/sQ8_0
DeepSeek R1 Distill Qwen 7B55tok/sQ8_040tok/sQ8_0
Mellum2.1 12B A2.5B Thinkingoffload73tok/sQ8_0
Kimi VL A3Boffload74tok/smlx-6bit
DeepSeek R1 Distill Qwen 14Boffload25tok/sQ6_K
GLM 4.1V 9B Thinkingoffload28tok/smlx-8bit
Qwen 3.8 27Boffloadoffload
Qwen 3.5 122B-A10Bwon't runoffload
Qwen 3.6 27Boffloadoffload
Gemma 4 31Boffloadoffload
Mistral Small 4 119Bwon't runoffload
Qwen 3.6 35B-A3Boffloadoffload
Qwen 3.5 27Boffloadoffload
Gemma 4 26B-A4Boffloadoffload
Qwen 3.5 35B-A3Boffloadoffload
GLM 4.7 Flashoffloadoffload
Devstral Small 2 24Boffloadoffload
Nemotron 3.5 Lightning 30B-A3Boffloadoffload
Kimi Linear 48B-A3Boffloadoffload
Qwen3 Coder 30B-A3Boffloadoffload
Qwen3 32Boffloadoffload
Mistral Small 3.2 24Boffloadoffload
Gemma 3 27Boffloadoffload
DeepSeek R1 Distill Qwen 32Boffloadoffload
LFM2.5 24B A2Boffloadoffload
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
Qwen3 Coder Nextwon't runwon't run
gpt-oss 120Bwon't runwon't run
GLM 4.5 Airwon't runwon't run
Qwen3 Next 80B-A3Bwon'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 V3 0324won't runwon't run
DeepSeek V3.1won'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 4.6Vwon'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 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 3080 10GB or the AMD Radeon RX 7800 XT?
Choose the AMD Radeon RX 7800 XT to run bigger models. Choose the NVIDIA GeForce RTX 3080 10GB for speed. Choose the NVIDIA GeForce RTX 3080 10GB to spend less.
Which can run bigger models, the NVIDIA GeForce RTX 3080 10GB or the AMD Radeon RX 7800 XT?
At 8k context the AMD Radeon RX 7800 XT runs 31 of the models we track fully in memory and the NVIDIA GeForce RTX 3080 10GB 23; only the AMD Radeon RX 7800 XT holds gpt-oss 20B.
Which is faster for local AI, the NVIDIA GeForce RTX 3080 10GB or the AMD Radeon RX 7800 XT?
On the models both run fully in memory, the NVIDIA GeForce RTX 3080 10GB is about 1.4× as fast as the AMD Radeon RX 7800 XT (estimated, median across models).
What is the price difference between the NVIDIA GeForce RTX 3080 10GB and the AMD Radeon RX 7800 XT?
In Canada the NVIDIA GeForce RTX 3080 10GB costs $769 at Amazon and the AMD Radeon RX 7800 XT $815 at Amazon: the NVIDIA GeForce RTX 3080 10GB is $46 cheaper.

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