NVIDIA B300 SXM6 AC vs AMD Radeon PRO W7900
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
May 2023
Generation
Server Blackwell
Radeon Pro Navi
Type
Desktop
Professional
Bus Interface
PCIe 6.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1760 MHz
Boost Clock
2032 MHz
2495 MHz
Memory Clock
2000 MHz
2250 MHz
Memory
Memory Size
288GB
48GB
Memory Type
HBM3e
GDDR6
Memory Bus
8192bit
384bit
Bandwidth
8.19TB/s
864.0GB/s
Render Config
SM Count
148
-
Shading Units
18944
6144
TMUs
592
384
ROPs
24
192
Tensor Cores
592
-
L1 Cache
256 KB (per SM)
256 KB per Array
L2 Cache
126 MB
6 MB
Compute Units
-
96
RT Cores
-
96
L3 Cache
-
96 MB
Theoretical Performance
Pixel Rate
48.77 GPixel/s
479.0 GPixel/s
Texture Rate
1202.9 GTexel/s
958.1 GTexel/s
FP16 (half)
76.99 TFLOPS
122.6 TFLOPS
FP32 (float)
76.99 TFLOPS
61.32 TFLOPS
FP64 (double)
1202.9 GFLOPS
1.916 TFLOPS
Graphics Processor
GPU Name
GB110
Navi 31
Architecture
Blackwell Ultra
RDNA 3.0
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
208 billion
57.7 billion
Die Size
1628 mm²
529 mm²
GPU Variant
-
Navi 31 XTW
Board Design
TDP
1100W
295W
Suggested PSU
1500 W
600 W
Outputs
No outputs
3x DisplayPort 2.11x mini-DisplayPort 2.1
Power Connectors
-
2x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
2.0
Vulkan
N/A
1.4
CUDA
10.3
-
Shader Model
N/A
6.9