readygpu

NVIDIA GeForce RTX 5070 Ti vs NVIDIA GeForce RTX 5080

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

In short

Both have 16 GB of memory for models; the NVIDIA GeForce RTX 5070 Ti has 896 GB/s of bandwidth and the NVIDIA GeForce RTX 5080 960 GB/s. At 8k context both run the same 16 models we track fully in memory. On the models both run fully in memory, the NVIDIA GeForce RTX 5080 is about 1.1× as fast as the NVIDIA GeForce RTX 5070 Ti (estimated, median across models).

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

NVIDIA GeForce RTX 5070 Ti

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NVIDIA GeForce RTX 5080

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Specifications

SpecNVIDIA GeForce RTX 5070 TiNVIDIA GeForce RTX 5080
GPUGeForce RTX 5070 TiGeForce RTX 5080
Memory16 GB GDDR716 GB GDDR7
Memory bus256-bit256-bit
Memory bandwidth896 GB/s960 GB/s
FP16 compute88 TFLOPS113 TFLOPS
SoftwareCUDACUDA
Board power300 W360 W
PCIe generationGen 5Gen 5
PCIe lanesx16x16

What each runs

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

ModelNVIDIA GeForce RTX 5070 TiNVIDIA GeForce RTX 5080
Devstral Small 2 24B35tok/sQ4_K_M38tok/sQ4_K_M
gpt-oss 20B127tok/sMXFP4136tok/sMXFP4
Gemma 4 12B42tok/sQ8_045tok/sQ8_0
Qwen 3.5 9B56tok/sQ8_060tok/sQ8_0
Mistral Small 3.2 24B35tok/sQ4_K_M38tok/sQ4_K_M
Qwen3 14B41tok/sQ6_K44tok/sQ6_K
Ministral 3 14B35tok/sQ8_038tok/sQ8_0
DeepSeek R1 0528 Qwen3 8B56tok/sQ8_060tok/sQ8_0
Qwen3 8B56tok/sQ8_060tok/sQ8_0
Phi-4 14B41tok/sQ6_K43tok/sQ6_K
Qwen 3.5 4B116tok/sQ8_0124tok/sQ8_0
Ministral 3 8B55tok/sQ8_059tok/sQ8_0
Granite 4.2 8B52tok/sQ8_056tok/sQ8_0
Gemma 4 E4B66tok/sQ8_070tok/sQ8_0
LFM2.5 8B-A1B227tok/sQ8_0244tok/sQ8_0
Llama 3.1 8B72tok/sQ6_K78tok/sQ6_K
Qwen 3.8 27Boffloadoffload
Qwen 3.5 122B-A10Boffloadoffload
Qwen 3.6 27Boffloadoffload
Gemma 4 31Boffloadoffload
Mistral Small 4 119Boffloadoffload
Qwen 3.6 35B-A3Boffloadoffload
Qwen 3.5 27Boffloadoffload
Gemma 4 26B-A4Boffloadoffload
Qwen 3.5 35B-A3Boffloadoffload
GLM 4.7 Flashoffloadoffload
Nemotron 3.5 Lightning 30B-A3Boffloadoffload
Qwen3 Coder 30B-A3Boffloadoffload
Kimi Linear 48B-A3Boffloadoffload
Qwen3 32Boffloadoffload
Gemma 3 27Boffloadoffload
DeepSeek R1 Distill Qwen 32Boffloadoffload
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

Questions

Which is better for local AI, the NVIDIA GeForce RTX 5070 Ti or the NVIDIA GeForce RTX 5080?
Choose the NVIDIA GeForce RTX 5080 for speed.
Which can run bigger models, the NVIDIA GeForce RTX 5070 Ti or the NVIDIA GeForce RTX 5080?
At 8k context both run the same 16 models we track fully in memory.
Which is faster for local AI, the NVIDIA GeForce RTX 5070 Ti or the NVIDIA GeForce RTX 5080?
On the models both run fully in memory, the NVIDIA GeForce RTX 5080 is about 1.1× as fast as the NVIDIA GeForce RTX 5070 Ti (estimated, median across models).

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