GPU Comparison

Select up to 2 GPUs to analyze their pricing, performance, and specifications side-by-side.

Workstation Verdict

Its memory bandwidth is 13% higher (864 GB/s vs 768 GB/s), translating directly to faster inference throughput.

Maximum Capacity Reached. Remove a model to add another. (2/2)

VS
Price
Awaiting Data
VRAM
48 GB GDDR6
Mem. Speed
864 GB/s
FP32 Compute
61.3 TFLOPS
Key Specs Advantage
+58% FP32 (TFLOPS) (61.3 TFLOPS vs 38.7 TFLOPS)
+13% Bandwidth (864 GB/s vs 768 GB/s)
NVIDIA
RTX A6000
Price
£7,156
VRAM
48 GB GDDR6
Mem. Speed
768 GB/s
FP32 Compute
38.7 TFLOPS
Key Specs Advantage
+75% CUDA Cores (10,752 vs 6,144)

Radeon PRO W7900 vs RTX A6000: In-Depth Breakdown

Inference Speed: Memory Bandwidth

Memory bandwidth determines how quickly data is fed to the compute units — it's the main bottleneck for autoregressive inference (token generation in LLMs). The Radeon PRO W7900 delivers 864 GB/s versus 768 GB/s on the RTX A6000, a 13% edge. For models already loaded into VRAM, token generation speed scales closely with this number: the Radeon PRO W7900 will produce tokens proportionally faster in bandwidth-bound workloads.

AI Training & Compute

For model training, scientific simulation, and rendering, FP32 throughput is the key metric. The Radeon PRO W7900 delivers 61.3 TFLOPS against 38.7 TFLOPS for the RTX A6000 — a 58% compute advantage. Training runs and heavy matrix operations will complete proportionally faster on the Radeon PRO W7900.

Which should you buy: Radeon PRO W7900 or RTX A6000?

Both cards serve similar workloads. Base your decision on whichever spec matters most: VRAM for model capacity, memory bandwidth for inference speed, and FP32 compute for training throughput.

Frequently Asked Questions

Can the Radeon PRO W7900 or RTX A6000 run large language models?

Yes — with 48GB of VRAM each, both support a similar range of models. Memory bandwidth and compute throughput then differentiate their performance.

Which is faster for LLM inference, the Radeon PRO W7900 or the RTX A6000?

The Radeon PRO W7900 is faster for token generation — its 864 GB/s memory bandwidth vs 768 GB/s on the RTX A6000 is the primary driver of inference throughput in autoregressive models.

Which is better for AI training?

The Radeon PRO W7900 has the advantage at 61.3 TFLOPS vs 38.7 TFLOPS, making training runs proportionally faster than on the RTX A6000.

Technical Specifications Comparison

Architecture & Cores

SpecificationRadeon PRO W7900RTX A6000
ArchitectureRDNA 3Ampere
CUDA Cores (Stream Processors / CUDA Cores)6,14410,752

Memory

SpecificationRadeon PRO W7900RTX A6000
VRAM Capacity48 GB48 GB
Memory TypeGDDR6GDDR6
Memory Bus384-bit384-bit
Bandwidth864 GB/s768 GB/s

Connectivity & Power

SpecificationRadeon PRO W7900RTX A6000
InterfacePCIe 4.0 x16PCIe 4.0 x16
TDP295 W300 W
ReleasedNov 2022Apr 2021

Workstation

SpecificationRadeon PRO W7900RTX A6000
FP32 (TFLOPS)61.3 TFLOPS38.7 TFLOPS
ECCYesYes
NVLinkNoYes
Form factordual-slotdual-slot