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Radeon AI Pro R9700 vs RX 6900 XT

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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 R970014 sourced runs · best 969.4 tok/s
RX 6900 XT2 verified runs · best 346.1 tok/s

Specs and evidence

Radeon AI Pro R9700RX 6900 XT
VRAM32 GB16 GB
Sourced runs on the board142
Models measured142
Best output tok/s969.4 tok/s346.1 tok/s
Highest measured peak VRAM92.2 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

On the 2 models measured on both cards, Radeon AI Pro R9700 leads on 2, RX 6900 XT on 0. The widest gap is on LFM2.5-350M: Radeon AI Pro R9700 466.0 tok/s vs RX 6900 XT 275.8 tok/s (Radeon AI Pro R9700 69% faster).

The measured matrix

ModelRadeon AI Pro R9700RX 6900 XT
Qwen3.6-35B-A3B969.4 MQ4R—
Qwen3.5-0.8B554.5 MQ4346.1 MQ4
LFM2.5-230M520.0 MQ4—
LFM2.5-350M466.0 MQ4275.8 MQ4
Qwen3.5-27B286.6 MQ4-AWQ—
LFM2.5-8B-A1B241.1 MQ4—
gemma-4-E2B-it169.7 Q8_0—
gemma-4-E4B-it137.0 Q4_K_M—
Muse-Glimmer-30B134.6 Dynamic-Q4_K_XL + DFlash2-Q4_K_M—
Qwen3.8-27B64.3 Q4_0—
DeepSeek-V4-Flash-073159.4 IQ2_XXS—
Qwen 3.8 Flash-Next Base57.0 IQ3_S—
Qwen3.8-Flash-Next25.6 IQ4_XS—
GLM-5.3-Flash17.4 UD-IQ1_M—

Head-to-head (models tested on both): Radeon AI Pro R9700 2 · RX 6900 XT 0 · tied 0 · data as of Oct 30, 2026. Full rules: methodology.

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

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