Radeon AI Pro R9700 x2 vs RTX 3090 x2

Best sourced output tok/s per model (single-stream generation) — engine and version, quantization, context and a source link on every row. Hover a value for the quant.

Radeon AI Pro R9700 x23 sourced runs · best 131.4 tok/s

RTX 3090 x28 verified runs · best 240.8 tok/s

Specs and evidence

	Radeon AI Pro R9700 x2	RTX 3090 x2
VRAM	32 GB	24 GB
Sourced runs on the board	3	8
Models measured	3	7
Best output tok/s	131.4 tok/s	240.8 tok/s
Highest measured peak VRAM	44.6 GB	42.9 GB
Street price (latest snapshot)	—	—

Sourced rows only. Peak VRAM is recorded by the person who ran the benchmark, so it is a floor for what the card can hold, not a specification. Price snapshots.

Head-to-head

Only one model has been measured on both cards (Qwen3.8-27B). On that single data point Radeon AI Pro R9700 x2 records 43.6 tok/s and RTX 3090 x2 records 219.8 tok/s — treat it as one data point, not a ranking.

The measured matrix

Model	Radeon AI Pro R9700 x2	RTX 3090 x2
Qwen3.6-27B	—	240.8 AutoRound INT4
Qwen3.8-27B	43.6 Q8_K_XL	219.8 AutoRound INT4 + fp8 KV
NVIDIA-Nemotron-3.5-Lightning-30B-A3B	—	197.0 NVFP4
MiniCPM-V 4.7-35B-A3B	—	172.2 int4
gemma-4-26B-A4B-it	131.4 Q8_K_XL	—
Nanbeige4.3-33B	—	66.2 W4A16 (INT4 AutoRound, GPTQ, gro
Qwen3.8-Flash-Next-REAP-256-duo	—	53.5 Unsloth-Dynamic-Q3_K_XL
Qwen3.8-27B-Uncensored	51.8 Q8_0	—
Qwen3.8-Flash-Next	—	40.1 Unsloth-Dynamic-IQ3_XXS

Head-to-head (models tested on both): Radeon AI Pro R9700 x2 0 · RTX 3090 x2 1 · tied 0 · data as of Oct 30, 2026. Full rules: methodology.

Related reading: RTX 5090 vs 3090 · quantization · Value index · Full board