llamaperf

AMD FirePro D700 6GB vs NVIDIA RTX 5090 for local LLMs

1 report on the AMD FirePro D700 6GB and 168 on the NVIDIA RTX 5090

Which is faster for local LLMs?

Nobody has reported the same model at the same quant on both cards yet, so there's no measured head-to-head. Memory bandwidth, which caps how fast a card can write, is 6.8x higher on the NVIDIA RTX 5090 (264 GB/s on the AMD FirePro D700 6GB, 1,792 on the NVIDIA RTX 5090). The estimates below compare them on the models people run most.

AMD FirePro D700 6GB
Memory
6GB
Memory bandwidth
264 GB/s
FP16 compute
3.5 TFLOPS
Reports
1
NVIDIA RTX 5090
Memory
32GB
Memory bandwidth
1,792 GB/s
FP16 compute
419 TFLOPS
Reports
168

Estimated by the calculator

The quant the calculator recommends for each card and its estimated speed at a 32,768-token context with 32 GB of system RAM, from memory bandwidth and the model's shape.

ModelAMD FirePro D700 6GBNVIDIA RTX 5090
Qwen3.8 27B1.5 t/sQ6_K, layers on CPU44.9 t/sQ6_K
Qwen3.8 125B · 6B activedoesn't fit at these settings20.3 t/sQ2_K, experts in RAM
Qwen3.6 35B · 3B active14.4 t/sQ5_K_M, experts in RAM163.0 t/sQ5_K_M
DeepSeek V4 Flash 284B · 13B activedoesn't fit at these settingsdoesn't fit at these settings
Qwen3.6 27B1.5 t/sQ6_K, layers on CPU44.9 t/sQ6_K
Gemma 4 26B · 4B active14.9 t/sQ4_K_S, experts in RAM114.5 t/sQ6_K

Change the context, RAM or model in the calculator: AMD FirePro D700 6GB · NVIDIA RTX 5090

Every report on each card, with its source: AMD FirePro D700 6GB · NVIDIA RTX 5090

More comparisons