readygpu

NVIDIA GeForce RTX 3090 Ti vs AMD Radeon RX 9070 XT

For running models locally, priced in the US. At 8k context the first runs 60 models fully in memory, the second 37.

In short

The NVIDIA GeForce RTX 3090 Ti has more memory for models: 24 GB against 16 GB. At 8k context the NVIDIA GeForce RTX 3090 Ti runs 60 of the models we track fully in memory and the AMD Radeon RX 9070 XT 37; only the NVIDIA GeForce RTX 3090 Ti holds Qwen 3.8 27B. On the models both run fully in memory, the NVIDIA GeForce RTX 3090 Ti is about 1.8× as fast as the AMD Radeon RX 9070 XT (estimated, median across models). In the US the NVIDIA GeForce RTX 3090 Ti costs $995 at Amazon and the AMD Radeon RX 9070 XT $850 at Amazon: the AMD Radeon RX 9070 XT is $145 cheaper.

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

NVIDIA GeForce RTX 3090 Ti

$995

Amazon

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AMD Radeon RX 9070 XT

$850

Amazon

Add to build

Specifications

SpecNVIDIA GeForce RTX 3090 TiAMD Radeon RX 9070 XT
GPUGeForce RTX 3090 TiRadeon RX 9070 XT
Memory24 GB GDDR6X16 GB GDDR6
Memory bus384-bit256-bit
Memory bandwidth1,008 GB/s640 GB/s
FP16 compute80 TFLOPS195 TFLOPS
SoftwareCUDAROCm
Board power450 W304 W
PCIe generationGen 4Gen 5
PCIe lanesx16x16

What each runs

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

ModelNVIDIA GeForce RTX 3090 TiAMD Radeon RX 9070 XT
Qwen 3.8 27B28tok/sUD-Q6_Koffload
Qwen 3.6 27B27tok/sQ6_Koffload
Gemma 4 31B27tok/sQ5_K_Moffload
Qwen 3.6 35B-A3B179tok/sQ4_K_Moffload
Qwen 3.5 27B27tok/sQ6_Koffload
Gemma 4 26B-A4B95tok/sUD-Q6_Koffload
Qwen 3.5 35B-A3B181tok/sQ4_K_Moffload
GLM 4.7 Flash94tok/sQ5_K_Moffload
Devstral Small 2 24B30tok/sQ6_Koffload
Nemotron 3.5 Lightning 30B-A3B163tok/sMXFP4offload
gpt-oss 20B142tok/sMXFP480tok/sMXFP4
Qwen3 Coder 30B-A3B128tok/sQ5_K_Moffload
Qwen3 32B29tok/sQ4_K_Moffload
Gemma 4 12B48tok/sQ8_027tok/sQ8_0
Qwen 3.5 9B64tok/sQ8_036tok/sQ8_0
Mistral Small 3.2 24B30tok/sQ6_Koffload
DeepSeek R1 Distill Qwen 32B28tok/sQ4_K_Moffload
Gemma 3 27B27tok/sQ6_Koffload
Ministral 3 14B40tok/sQ8_028tok/sQ6_K
Qwen3 14B37tok/sQ8_026tok/sQ6_K
DeepSeek R1 0528 Qwen3 8B63tok/sQ8_036tok/sQ8_0
Qwen3 8B63tok/sQ8_036tok/sQ8_0
Phi-4 14B36tok/sQ8_026tok/sQ6_K
Qwen 3.5 4B130tok/sQ8_073tok/sQ8_0
Ministral 3 8B62tok/sQ8_035tok/sQ8_0
Granite 4.2 8B59tok/sQ8_033tok/sQ8_0
Gemma 4 E4B74tok/sQ8_042tok/sQ8_0
LFM2.5 8B-A1B256tok/sQ8_0144tok/sQ8_0
Llama 3.1 8B82tok/sQ6_K46tok/sQ6_K
Qwen2.5 0.5B989tok/sQ8_0557tok/sQ8_0
Qwen3.5 0.8B671tok/sQ8_0378tok/sQ8_0
Qwen3.5 2B402tok/sQ5_K_M226tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B294tok/sQ8_0165tok/sQ8_0
MiniCPM5 2B206tok/sQ8_0116tok/sQ8_0
LFM2.5 2.6B185tok/sQ8_0104tok/sQ8_0
LFM2.5 VL 3B185tok/sQ8_0104tok/sQ8_0
Spark X2.5 4B184tok/smlx-4bit104tok/smlx-4bit
LFM2.5 24B A2B154tok/sQ6_Koffload
granite vision 4.1 4b146tok/sQ8_082tok/sQ8_0
Ministral 3 3B Instruct 2512138tok/sQ8_078tok/sQ8_0
granite 4.2 3b137tok/sQ8_077tok/sQ8_0
Mellum2.1 12B A2.5B Thinking133tok/sQ8_075tok/sQ8_0
FrogNano 4B 2609127tok/sQ8_071tok/sQ8_0
Kimi VL A3B Thinking 2506112tok/sQ8_097tok/sQ4_K_M
Kimi VL A3B107tok/smlx-8bit76tok/smlx-6bit
DeepSeek R1 Distill Qwen 7B73tok/sQ8_041tok/sQ8_0
GLM 4 9B 041473tok/smlx-5bit41tok/smlx-5bit
DeepSeek R1 Distill Llama 8B65tok/sQ8_037tok/sQ8_0
Ministral 3 8B Reasoning 251262tok/sQ8_035tok/sQ8_0
GLM 4.6V Flash61tok/sQ8_034tok/sQ8_0
GLM 4.1V 9B Thinking52tok/smlx-8bit29tok/smlx-8bit
Ministral 3 14B Reasoning 251240tok/sQ8_028tok/sQ6_K
DeepSeek R1 Distill Qwen 14B36tok/sQ8_026tok/sQ6_K
Devstral Small 250735tok/sQ5_K_Moffload
Magistral Small 250735tok/sQ5_K_Moffload
Magistral Small 250935tok/sQ5_K_Moffload
Magistral Small 250630tok/sQ6_Koffload
Qwen3.8 27B OBLITERATED29tok/smlx-4bitoffload
granite 4.2 30b27tok/sQ5_K_Moffload
Muse Glimmer 30B27tok/sQ6_Koffload
Qwen 3.5 122B-A10Boffloadoffload
Qwen3 Coder Nextoffloadwon't run
Mistral Small 4 119Boffloadoffload
GLM 4.5 Airoffloadwon't run
Qwen3 Next 80B-A3Boffloadwon't run
Kimi Linear 48B-A3Boffloadoffload
Llama 3.3 70Boffloadwon't run
DeepSeek R1 Distill Llama 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
gpt-oss 120Bwon't runwon't run
DeepSeek R1won't runwon't run
DeepSeek R1 0528won't runwon't run
DeepSeek R1 Zerowon't runwon't run
DeepSeek V3won'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 4.5won'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 5won'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 3090 Ti or the AMD Radeon RX 9070 XT?
Choose the NVIDIA GeForce RTX 3090 Ti to run bigger models. Choose the NVIDIA GeForce RTX 3090 Ti for speed. Choose the AMD Radeon RX 9070 XT to spend less.
Which can run bigger models, the NVIDIA GeForce RTX 3090 Ti or the AMD Radeon RX 9070 XT?
At 8k context the NVIDIA GeForce RTX 3090 Ti runs 60 of the models we track fully in memory and the AMD Radeon RX 9070 XT 37; only the NVIDIA GeForce RTX 3090 Ti holds Qwen 3.8 27B.
Which is faster for local AI, the NVIDIA GeForce RTX 3090 Ti or the AMD Radeon RX 9070 XT?
On the models both run fully in memory, the NVIDIA GeForce RTX 3090 Ti is about 1.8× as fast as the AMD Radeon RX 9070 XT (estimated, median across models).
What is the price difference between the NVIDIA GeForce RTX 3090 Ti and the AMD Radeon RX 9070 XT?
In the US the NVIDIA GeForce RTX 3090 Ti costs $995 at Amazon and the AMD Radeon RX 9070 XT $850 at Amazon: the AMD Radeon RX 9070 XT is $145 cheaper.

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