AMD · workstation

Radeon Pro W7800

Radeon Pro W7800 has 48 GB of VRAM at 864 GB/s — about 44.64 GiB usable after driver and compositor overhead. 2031 of 2118 indexed models fit at 32K context with q8_0 KV.

Spec sheet· bandwidth, theoreticalFrom the file· fit from summed bytesPredicted· speed
Memory
48 GB
GDDR6
Bandwidth
864 GB/s
384-bit bus
Tensor FP16
dense
TDP
281 W
KV cachef16q8_0q4_0quantizing the KV cache is a ~2× lever on the dominant term at long context
text 1743vision language 184image 2video 16audio tts 21embedding 26audio asr 39

What fits at 32K context

largest quantization that fits, per model · 2031 of 2118 indexed
ModelBest quantParamsWeightsKVTotal in memoryHeadroomtok/s
Step-3.5-Flash-REAP-121B-A11BI1-IQ2_M121B36.79 GiB6.92 GiB44.64 GiB0.00 GiB13±26.5%
GLM-4.7-Flash-REAP-23B-A3B-absolute-heresyMoEBF1623.0B42.85 GiB0.88 GiB44.64 GiB0.00 GiB44±37%
GLM-4.7-Flash-REAP-23B-A3BMoEBF1623.0B42.85 GiB0.88 GiB44.64 GiB0.00 GiB44±37%
GLM-4.5VMoEI1-Q2_K108B40.61 GiB3.05 GiB44.59 GiB0.05 GiB38±37%
Assistant_Pepe_70BQ4_K_S70.6B38.22 GiB5.31 GiB44.56 GiB0.08 GiB13±26.5%
Mistral-Medium-3.5-128BIQ2_XXS128B37.65 GiB5.84 GiB44.56 GiB0.08 GiB13±26.5%
Qwen3.5-122B-A10BMoEQ2_K125B43.21 GiB0.40 GiB44.53 GiB0.11 GiB68±37%
Phi-3.5-MoE-instructMoEKV unresolvedQ8_041.9B41.44 GiB2.13 GiB44.48 GiB0.16 GiB32±37%
Qwen3.6-35B-A3B-REAM-160-ru-agentMoEBF1623.6B43.09 GiB0.33 GiB44.33 GiB0.31 GiB59±37%
CalmeRys-78B-Orpo-v0.1I1-Q3_K_M78.0B37.54 GiB5.71 GiB44.28 GiB0.36 GiB13±26.5%
calme-2.3-rys-78bQ3_K_M78.0B37.54 GiB5.71 GiB44.28 GiB0.36 GiB13±26.5%
GLM-4.6VMoEIQ2_M108B40.26 GiB3.05 GiB44.24 GiB0.40 GiB39±37%
ALIA-40b-fc-2606Q8_040.4B40.02 GiB3.19 GiB44.22 GiB0.42 GiB13±26.5%
ALIA-40b-instruct-2606Q8_040.4B40.02 GiB3.19 GiB44.22 GiB0.42 GiB13±26.5%
Qwen3-53B-A3B-2507-THINKING-TOTAL-RECALL-v2-MASTER-CODERMoEI1-Q6_K53.0B40.54 GiB2.79 GiB44.22 GiB0.42 GiB37±37%
Llama-4-Scout-17B-16E-InstructMoEKV unresolvedQ2_K109B40.03 GiB3.19 GiB44.15 GiB0.49 GiB38±37%
NVIDIA-Nemotron-Labs-3-Puzzle-75B-A9B-BF16MoEQ4_K_S75.4B43.15 GiB0.00 GiB44.12 GiB0.52 GiB102±37%
Wizard-Vicuna-30B-UncensoredI1-Q4_K_S32.5B17.21 GiB25.90 GiB44.08 GiB0.56 GiB13±26.5%
archangel_sft-kto_llama30bI1-Q4_K_S32.5B17.21 GiB25.90 GiB44.08 GiB0.56 GiB13±26.5%
GLM-4.5-Air-REAP-82B-A12BMoEQ3_K_L81.9B40.10 GiB3.05 GiB44.08 GiB0.56 GiB35±37%
Huihui-Qwen3-Coder-Next-abliteratedMoEQ4_079.7B42.78 GiB0.40 GiB44.07 GiB0.57 GiB76±37%
Apertus-70B-Instruct-2509Q4_K_S70.6B37.67 GiB5.31 GiB44.06 GiB0.58 GiB13±26.5%
WizardLM-Uncensored-SuperCOT-StoryTelling-30bQ4_K_S32.5B17.17 GiB25.90 GiB44.04 GiB0.60 GiB13±26.5%
Mixtral_34Bx2_MoE_60BMoEQ5_K_M60.8B39.03 GiB3.98 GiB44.00 GiB0.64 GiB7±37%
OYM-Qimi-122B-A10B-K2.6MoEI1-Q2_K125B42.67 GiB0.40 GiB43.99 GiB0.65 GiB68±37%
Qwopus3.5-122B-A10B-Kimi-K2.6-destill-healed-abliteratedMoEQ2_K123B42.66 GiB0.40 GiB43.99 GiB0.65 GiB68±37%
Meta-Llama-3-70B-InstructQ4_K_S70.6B37.58 GiB5.31 GiB43.92 GiB0.72 GiB13±26.5%
Maenad-70BI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
DeepSeek-R1-Distill-Llama-70B-Uncensored-v2-Unbiased-ReasonerI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
calme-2.4-llama3-70bQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
calme-2.2-llama3-70bQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Rombos-LLM-70b-Llama-3.3I1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
L3.3-Electra-R1-70bI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
L3.3-70B-Magnum-v4-SEQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Latxa-Llama-3.1-70B-Instruct-v2I1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Llama-3.3_70_b_uncensored_continuedI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Llama-3.3-70B-Instruct-abliteratedI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Strawberrylemonade-L3-70B-v1.2Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
grok-oss-Revenant-70BI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Llama-3.1-Nemotron-70B-Instruct-HFI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
L3.3-70B-Euryale-v2.3I1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Hermes-4-70B-hereticI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Hermes-4-70BQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Llama-3.3-70B-InstructQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Llama-3.1-70BQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Hermes-3-Llama-3.1-70BQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Anubis-70B-v1.2Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Golem-70B-v1bI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
DeepSeek-R1-Distill-Llama-70B-abliteratedI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
DeepSeek-R1-Distill-Llama-70B-hereticI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
DeepSeek-R1-Distill-Llama-70BQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
llama-3-firefunction-v2Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Legion-V2.1-LLaMa-70BI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Tess-R1-Limerick-Llama-3.1-70BQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
SEMIKONG-70BQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
functionary-medium-v3.2KV unresolvedQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Infinity-Instruct-7M-Gen-Llama3_1-70BI1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
New-Dawn-Llama-3-70B-32K-v1.0I1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Meta-Llama-3-70B-Instruct-abliterated-v3.5I1-Q4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
Athene-70BQ4_K_S70.6B37.58 GiB5.31 GiB43.91 GiB0.73 GiB13±26.5%
From the filePredictedwhat these mean

Speed is modeled, not measured: decode is memory-bandwidth bound, so tokens per second is bytes read per token against achievable bandwidth. Mixture-of-experts models carry a wider band because only the routed experts are read each step, and few have been measured publicly.

Questions people ask

What AI models can a Radeon Pro W7800 run?
2031 of 2118 indexed open-weight models fit a Radeon Pro W7800 at 32,768 context with q8_0 KV cache, the largest being Step-3.5-Flash-REAP-121B-A11B at I1-IQ2_M. That covers text, vision-language, image, video and speech models.
How much usable memory does a Radeon Pro W7800 actually have?
Its nameplate is 48 GB, but about 44.64 GiB is available to a model once driver and compositor overhead is accounted for.
Is a Radeon Pro W7800 fast for local AI?
Its memory bandwidth is 864 GB/s, and that figure — not teraflops — is what governs token generation speed. Capacity decides what you can run; bandwidth decides how fast it runs.