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Radeon PRO W7900 (48GB)

The Radeon PRO W7900 (48GB) provides 48 GB of memory with 864 GB/s bandwidth, supporting local inference via ROCm and Vulkan acceleration.

Memory

48 GB

Usable Memory Ceiling

48 GB

Bandwidth

864 GB/s

Max Inference Class

32B Models (Q4)

TDP

295W

VRAM Scaling by Context Length

Estimated memory requirements as context length increases. Curves crossing above the reference line indicate Out of Memory (OOM).

DeepSeek-R1 7B (7B)Sahabat-AI-Gemma2-9B (9.2B)OLMo 3.1 32B Think (32B)Ling 3.0 Flash VL (124B (5.5B active))

Precision:

Best Models to Run on Radeon PRO W7900 (48GB)

Inference throughput, memory compatibility, and generation speeds for open-weights LLMs on Radeon PRO W7900 (48GB).

Sort by:

Context:

KV Cache:

GPUs:

RankModelParametersPrecisionTPS (Approx.)TTFTCan Run

#33

Qwen 3.8 27B

27B

INT4
Q8

42 tok/s

25 tok/s

~2.5s

~2.5s

#48

Agnes 3.0 Flash

33B

INT4
Q8

35 tok/s

21 tok/s

~3.0s

~3.0s

#72

K2 Horizon MoVA 36B A4B

36B (4B active)

INT4
Q8

147 tok/s

109 tok/s

~486 ms

~488 ms

#83

Qwen3.5-27B

27B

INT4
Q8

42 tok/s

25 tok/s

~2.5s

~2.5s

#92

Sarvam-30B

32B (2.4B active)

INT4
Q8

180 tok/s

144 tok/s

~340 ms

~342 ms

#94

Qwen3.6 35B A3B

35B (3B active)

INT4
Q8

166 tok/s

128 tok/s

~396 ms

~398 ms

#96

Muse Glimmer 30B

30B

INT4
Q8

39 tok/s

22 tok/s

~2.7s

~2.7s

#100

Phi-4 Reasoning Plus

14B

INT4
Q8
FP16

55 tok/s

38 tok/s

22 tok/s

~1.3s

~1.3s

~1.3s

#101

MiMo V2 Flash

15B (309B active)

INT4
Q8
FP16

4 tok/s

2 tok/s

1 tok/s

~26.8s

~27.0s

~27.5s

#108

Gemma 4 26B A4B

25.2B (3.8B active)

INT4
Q8

155 tok/s

115 tok/s

~445 ms

~447 ms

#109

Gemma 4 12B

11.95B

INT4
Q8
FP16

62 tok/s

43 tok/s

25 tok/s

~1.1s

~1.1s

~1.1s

#113

Qwen3.5-9B

9B

INT4
Q8
FP16

102 tok/s

65 tok/s

36 tok/s

~842 ms

~847 ms

~859 ms

#114

Qwen3.5-35B-A3B

35B (3B active)

INT4
Q8

166 tok/s

128 tok/s

~396 ms

~398 ms

#118

K2 Horizon 7B

7B

INT4
Q8
FP16

121 tok/s

79 tok/s

45 tok/s

~660 ms

~664 ms

~674 ms

#128

NVIDIA Nemotron 3 Nano 30B-A3B

3.5B (30B active)

INT4
Q8
FP16

37 tok/s

22 tok/s

12 tok/s

~2.6s

~2.7s

~2.7s

#129

Gemma 4 31B

30.7B

INT4
Q8

38 tok/s

22 tok/s

~2.8s

~2.8s

#131

Nemotron 3.5 Lightning

30B (3B active)

INT4
Q8

75 tok/s

69 tok/s

~396 ms

~397 ms

#132

Qwen3.5-4B

4B

INT4
Q8
FP16

168 tok/s

119 tok/s

72 tok/s

~389 ms

~392 ms

~397 ms

#133

Qwen3-30B-A3B

30B (3B active)

INT4
Q8

168 tok/s

129 tok/s

~389 ms

~390 ms

#136

GPT-OSS 20B

21B (3.6B active)

INT4
Q8
FP16

83 tok/s

73 tok/s

48 tok/s

~422 ms

~424 ms

~502 ms

Inference Capacity

Maximum model parameter class runnable by weight precision.

Context:

4-bit

Q4

32B Models

8-bit

Q8

32B Models

16-bit

FP16

14B Models

Fine-Tuning Capacity

Hardware capacity for local training and adapter fine-tuning.

Context Length:

QLoRA

4-bit

32B Models

LoRA

16-bit

14B Models

Full Parameter Training

7B-8B Models

Workload Recommendations

Guidance for optimal precision and operational ceilings on Radeon PRO W7900 (48GB).

Inference Sweet Spot

Optimized for 14B models at uncompressed or Q8 precision, and 32B models at Q4 with up to 32k context.

Bandwidth & Speed Profile

With 864 GB/s aggregate bandwidth, batch size 1 inference operates in a memory-bandwidth bound regime. Generates approximately 192 tok/s on an 8B Q4 model and 23 tok/s on a 70B Q4 model.

Frequently Asked Questions