NVIDIA B300 vs AMD Radeon Pro VII
GPU Specs Compare
Graphics Card
Release Date
Sep 2025
May 2020
Generation
Server Blackwell
Radeon Pro Vega
Type
Desktop
Desktop
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1665 MHz
1400 MHz
Boost Clock
2032 MHz
1700 MHz
Memory Clock
2000 MHz
1000 MHz
Memory
Memory Size
144GB
16GB
Memory Type
HBM3e
HBM2
Memory Bus
4096bit
4096bit
Bandwidth
4.10TB/s
1020GB/s
Render Config
SM Count
148
-
Shading Units
18944
3840
TMUs
592
240
ROPs
24
64
Tensor Cores
592
-
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
4 MB
Compute Units
-
60
Theoretical Performance
Pixel Rate
48.77 GPixel/s
108.8 GPixel/s
Texture Rate
1202.9 GTexel/s
408.0 GTexel/s
FP16 (half)
1231.8 TFLOPS
26.11 TFLOPS
FP32 (float)
76.99 TFLOPS
13.06 TFLOPS
FP64 (double)
1202.9 GFLOPS
6.528 TFLOPS
Graphics Processor
GPU Name
GB110
Vega 20
Architecture
Blackwell Ultra
GCN 5.1
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
104 billion
13.23 billion
Die Size
Unknown
331 mm²
GPU Variant
-
Vega 20 GLXT WS(215-0914026)
Board Design
TDP
1400W
250W
Suggested PSU
1800 W
600 W
Outputs
No outputs
6x mini-DisplayPort 1.4a
Power Connectors
-
1x 6-pin + 1x 8-pin
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.3
CUDA
10.3
-
Shader Model
N/A
6.7
📊 Benchmark
3DMark Time Spy
-
8,984
3DMark Time Spy Extreme
-
4,369
Blender
-
3,343