readygpu

NVIDIA GeForce RTX 4070 Ti Super vs NVIDIA GeForce RTX 5080

For running models locally, priced in the UK. At 128k context the first runs 20 models fully in memory, the second 20.

In short

Both have 16 GB of memory for models; the NVIDIA GeForce RTX 4070 Ti Super has 672 GB/s of bandwidth and the NVIDIA GeForce RTX 5080 960 GB/s. At 128k context both run the same 20 models we track fully in memory. On the models both run fully in memory, the NVIDIA GeForce RTX 5080 is about 1.4× as fast as the NVIDIA GeForce RTX 4070 Ti Super (estimated, median across models). In the UK the NVIDIA GeForce RTX 4070 Ti Super costs £1,329 at Amazon and the NVIDIA GeForce RTX 5080 £1,199 at eBay: the NVIDIA GeForce RTX 5080 is £130 cheaper.

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

NVIDIA GeForce RTX 4070 Ti Super

£1,329

Amazon

Add to build
NVIDIA GeForce RTX 5080

£1,199

eBay

Add to build

Specifications

SpecNVIDIA GeForce RTX 4070 Ti SuperNVIDIA GeForce RTX 5080
GPUGeForce RTX 4070 Ti SuperGeForce RTX 5080
Memory16 GB GDDR6X16 GB GDDR7
Memory bus256-bit256-bit
Memory bandwidth672 GB/s960 GB/s
FP16 compute88 TFLOPS113 TFLOPS
SoftwareCUDACUDA
Board power285 W360 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 4070 Ti SuperNVIDIA GeForce RTX 5080
gpt-oss 20B45tok/sQ4_K_M64tok/sQ4_K_M
Gemma 4 12B34tok/sQ6_K49tok/sQ6_K
Qwen 3.5 9B30tok/sQ8_043tok/sQ8_0
Qwen 3.5 4B47tok/sQ8_067tok/sQ8_0
Gemma 4 E4B35tok/sQ8_050tok/sQ8_0
LFM2.5 8B-A1B34tok/sUD-Q6_K49tok/sUD-Q6_K
Qwen2.5 0.5B195tok/sQ8_0278tok/sQ8_0
Qwen3.5 0.8B171tok/sQ8_0244tok/sQ8_0
Qwen3.5 2B136tok/sQ5_K_M194tok/sQ5_K_M
DeepSeek R1 Distill Qwen 1.5B74tok/sQ8_0105tok/sQ8_0
Mellum2.1 12B A2.5B Thinking55tok/sQ8_078tok/sQ8_0
MiniCPM5 2B50tok/sQ8_072tok/sQ8_0
Kimi VL A3B Thinking 250642tok/sQ4_K_M60tok/sQ4_K_M
LFM2.5 2.6B38tok/sQ8_055tok/sQ8_0
LFM2.5 VL 3B38tok/sQ8_055tok/sQ8_0
GLM 4.6V Flash36tok/sQ4_K_M52tok/sQ4_K_M
GLM 4 9B 041431tok/smlx-5bit44tok/smlx-5bit
DeepSeek R1 Distill Qwen 7B30tok/sQ6_K43tok/sQ6_K
granite vision 4.1 4b29tok/sQ8_042tok/sQ8_0
granite 4.2 3b29tok/sQ8_041tok/sQ8_0
Qwen 3.8 27Boffloadoffload
Qwen 3.6 27Boffloadoffload
Gemma 4 31Boffloadoffload
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
Gemma 3 27Boffloadoffload
Mistral Small 3.2 24Boffloadoffload
Ministral 3 14Boffloadoffload
Qwen3 14Boffloadoffload
DeepSeek R1 0528 Qwen3 8Boffloadoffload
Qwen3 8Boffloadoffload
Phi-4 14Boffloadoffload
Ministral 3 8Boffloadoffload
Granite 4.2 8Boffloadoffload
Llama 3.1 8Boffloadoffload
Kimi VL A3Boffloadoffload
GLM 4.1V 9B Thinkingoffloadoffload
DeepSeek R1 Distill Llama 8Boffloadoffload
LFM2.5 24B A2Boffloadoffload
Ministral 3 8B Reasoning 2512offloadoffload
DeepSeek R1 Distill Qwen 14Boffloadoffload
Devstral Small 2507offloadoffload
Magistral Small 2506offloadoffload
Magistral Small 2507offloadoffload
Magistral Small 2509offloadoffload
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
Qwen 3.5 122B-A10Bwon'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
Mistral Small 4 119Bwon't runwon't run
GLM 4.5 Airwon't runwon't run
Qwen3 Next 80B-A3Bwon't runwon't run
Qwen3 32Bwon't runwon't run
DeepSeek R1 Distill Qwen 32Bwon'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
granite 4.2 30bwon't runwon't run

Questions

Which is better for local AI, the NVIDIA GeForce RTX 4070 Ti Super or the NVIDIA GeForce RTX 5080?
Choose the NVIDIA GeForce RTX 5080 for speed. Choose the NVIDIA GeForce RTX 5080 to spend less.
Which can run bigger models, the NVIDIA GeForce RTX 4070 Ti Super or the NVIDIA GeForce RTX 5080?
At 128k context both run the same 20 models we track fully in memory.
Which is faster for local AI, the NVIDIA GeForce RTX 4070 Ti Super or the NVIDIA GeForce RTX 5080?
On the models both run fully in memory, the NVIDIA GeForce RTX 5080 is about 1.4× as fast as the NVIDIA GeForce RTX 4070 Ti Super (estimated, median across models).
What is the price difference between the NVIDIA GeForce RTX 4070 Ti Super and the NVIDIA GeForce RTX 5080?
In the UK the NVIDIA GeForce RTX 4070 Ti Super costs £1,329 at Amazon and the NVIDIA GeForce RTX 5080 £1,199 at eBay: the NVIDIA GeForce RTX 5080 is £130 cheaper.

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