AMD Radeon PRO W7800 vs NVIDIA B300 SXM6 AC
GPU · Specs Compare
Graphics Card
Release Date
Apr 2023
Sep 2025
Generation
Radeon Pro Navi(Navi III Series)
Server Blackwell
Type
Professional
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 6.0 x16
Clock Speeds
Base Clock
1895 MHz
1665 MHz
Boost Clock
2525 MHz
2032 MHz
Memory Clock
2250 MHz
2000 MHz
Memory
Memory Size
32GB
288GB
Memory Type
GDDR6
HBM3e
Memory Bus
256bit
8192bit
Bandwidth
576.0GB/s
8.19TB/s
Render Config
Compute Units
70
—
Shading Units
4480
18944
TMUs
280
592
ROPs
128
24
RT Cores
70
—
L1 Cache
256 KB per Array
256 KB (per SM)
L2 Cache
6 MB
126 MB
L3 Cache
64 MB
—
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
323.2 GPixel/s
48.77 GPixel/s
Texture Rate
707.0 GTexel/s
1202.9 GTexel/s
FP16 (half)
90.50 TFLOPS
76.99 TFLOPS
FP32 (float)
45.25 TFLOPS
76.99 TFLOPS
FP64 (double)
1414 GFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Navi 31
GB110
GPU Variant
Navi 31
—
Architecture
RDNA 3.0
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
5 nm
5 nm
Transistors
57.7 billion
208 billion
Die Size
529 mm²
1628 mm²
Board Design
TDP
260W
1100W
Suggested PSU
600 W
1500 W
Outputs
3x DisplayPort 2.11x mini-DisplayPort 2.1
No outputs
Power Connectors
2x 8-pin
—
Graphics Features
DirectX
12 Ultimate (12_2)
N/A
OpenGL
4.6
N/A
OpenCL
2.2
3.0
Vulkan
1.3
N/A
Shader Model
6.8
N/A
CUDA
—
10.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.