NVIDIA RTX 3090 vs AMD RX 7900 XT

How these GPUs compare for running local LLMs — VRAM, bandwidth, price, and per-model fit across popular open-weights models.

54 models compared24 GB vs 20 GB VRAM936 GB/s vs 800 GB/s$850 vs $679
GPU ARuns more models

NVIDIA RTX 3090

VRAM
24 GB
Bandwidth
936 GB/s
Street price
$850
Vendor
nvidia
GPU B

AMD RX 7900 XT

VRAM
20 GB
Bandwidth
800 GB/s
Street price
$679
Vendor
amd

The short answer

NVIDIA RTX 3090 can run 6 models that AMD RX 7900 XT can't fit in VRAM — mostly the larger models. For the 27 models both can handle, speeds are similar. If you want headroom for bigger models, NVIDIA RTX 3090 is the clear choice.

6 models A runs, B can't
4 models B is 20%+ faster
23 equal (both run, <20% diff)
21 too large for either

Model-by-model fit

Click any row for the full breakdown. Tie% shown in the Winner column when both GPUs run the model within 20% of each other.

ModelNVIDIA RTX 3090AMD RX 7900 XTWinner
c4ai-command-r-v01 35B
35B · command
39 tok/s · Q4_K_MToo largeA (only)
Command-R+ 104B
104B · command
Too largeToo large
DeepSeek R1 Distill Llama 8B
8B · deepseek
48 tok/s · FP1641 tok/s · FP16≈tie A +17%
DeepSeek R1 Distill Qwen 14B
14.8B · deepseek
52 tok/s · Q8_044 tok/s · Q8_0≈tie A +18%
DeepSeek R1 Distill Llama 70B
70.6B · deepseek
Too largeToo large
DeepSeek R1 671B
671B · deepseek
Too largeToo large
DeepSeek-V3 685B
685B · deepseek
Too largeToo large
DeepSeek-V3.2 685.4B
685.4B · deepseek
Too largeToo large
gemma-2-9b
9.2B · gemma
42 tok/s · FP1636 tok/s · FP16≈tie A +17%
gemma-2-27b
27.2B · gemma
35 tok/s · Q6_K43 tok/s · Q4_K_MB (faster)
Llama 3.1 8B Compact
8B · llama
43 tok/s · FP1637 tok/s · FP16≈tie A +16%
CodeLlama 34B
34B · llama
41 tok/s · Q4_K_MToo largeA (only)
CodeLlama 34B
34B · llama
41 tok/s · Q4_K_MToo largeA (only)
Llama 3.3 70B
70.6B · llama
Too largeToo large
Llama 3.1 70B
70.6B · llama
Too largeToo large
Llama 4 Scout 17B
109B · llama
Too largeToo large
Llama-4-Maverick-17B-128E
400B · llama
Too largeToo large
Llama 3.1 405B
405B · llama
Too largeToo large
Mistral 7B v0.1
7.25B · mistral
53 tok/s · FP1645 tok/s · FP16≈tie A +18%
Codestral 22B
22.2B · mistral
42 tok/s · Q6_K36 tok/s · Q6_K≈tie A +17%
Mixtral 8x7B Instruct v0.1
47B · mixtral
Too largeToo large
Mistral Large 2 123B
123B · mistral
Too largeToo large
Phi-4-mini 3.8B
3.8B · phi
98 tok/s · FP1684 tok/s · FP16≈tie A +17%
Phi-4 14B
14B · phi
49 tok/s · Q8_042 tok/s · Q8_0≈tie A +17%
Qwen 2.5 1.5B
1.5B · qwen
228 tok/s · FP16195 tok/s · FP16≈tie A +17%
Qwen 2.5 3B
3.1B · qwen
119 tok/s · FP16102 tok/s · FP16≈tie A +17%
Qwen3.5-4B
4.7B · qwen
80 tok/s · FP1669 tok/s · FP16≈tie A +16%
Qwen 2.5 7B
7.6B · qwen
51 tok/s · FP1643 tok/s · FP16≈tie A +19%
Qwen 2.5 7B
7.6B · qwen
51 tok/s · FP1643 tok/s · FP16≈tie A +19%
Qwen 3 8B
8B · qwen
43 tok/s · FP1637 tok/s · FP16≈tie A +16%
Qwen3.5-9B
9.7B · qwen
40 tok/s · FP1667 tok/s · Q8_0B (faster)
Qwen 3 32B
32B · qwen
38 tok/s · Q4_K_MToo largeA (only)
Qwen3.5-35B-A3B
36B · qwen
38 tok/s · Q4_K_MToo largeA (only)
Qwen 2.5 72B
72.7B · qwen
Too largeToo large
Qwen 2.5 72B
72.7B · qwen
Too largeToo large
Llama 3.2 1B
1.24B · llama
279 tok/s · FP16238 tok/s · FP16≈tie A +17%
Llama 4 Scout 17B
109B · llama
Too largeToo large
DeepSeek R1 671B
671B · deepseek
Too largeToo large
Gemma 3 27B
27B · gemma
37 tok/s · Q5_K_M39 tok/s · Q4_K_M≈tie B +5%
Qwen 3 8B
8B · qwen
43 tok/s · FP1637 tok/s · FP16≈tie A +16%
Qwen 3 32B
32B · qwen
38 tok/s · Q4_K_MToo largeA (only)
Llama 3.1 8B Compact
8B · llama
43 tok/s · FP1637 tok/s · FP16≈tie A +16%
Mixtral 8x7B Instruct v0.1
47B · mixtral
Too largeToo large
Mistral Small 3.2 24B
24B · mistral
42 tok/s · Q6_K52 tok/s · Q4_K_MB (faster)
Command A 111B
111B · command
Too largeToo large
DeepSeek R1 0528
685B · deepseek
Too largeToo large
DeepSeek-V3-0324
684.5B · deepseek
Too largeToo large
DeepSeek-R1-0528-Qwen3-8B
8.2B · qwen
50 tok/s · FP1642 tok/s · FP16≈tie A +19%
Qwen3-235B-A22B-Instruct-2507
235B · qwen
Too largeToo large
Qwen3-30B-A3B-Instruct-2507
30B · qwen
48 tok/s · Q4_K_M41 tok/s · Q4_K_M≈tie A +17%
Qwen3-4B-Instruct-2507
4B · qwen
102 tok/s · FP1687 tok/s · FP16≈tie A +17%
gemma-4-E4B-it
8B · gemma
51 tok/s · FP1644 tok/s · FP16≈tie A +16%
gemma-4-26B-A4B-it
26.5B · gemma
38 tok/s · Q6_K47 tok/s · Q4_K_MB (faster)
gemma-4-31B-it
32.7B · gemma
44 tok/s · Q4_K_M38 tok/s · Q4_K_M≈tie A +16%

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