AMD Radeon Pro V420 vs NVIDIA B300
GPU · Specs Compare
Graphics Card
Release Date
Unknown
Sep 2025
Generation
Radeon Pro Vega
Server Blackwell
Type
Desktop
Desktop
Bus Interface
PCIe 4.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
800 MHz
1665 MHz
Boost Clock
1700 MHz
2032 MHz
Memory Clock
800 MHz
2000 MHz
Memory
Memory Size
32GB
144GB
Memory Type
HBM2
HBM3e
Memory Bus
4096bit
4096bit
Bandwidth
819.2GB/s
4.10TB/s
Render Config
Compute Units
64
—
Shading Units
4096
18944
TMUs
256
592
ROPs
64
24
L1 Cache
16 KB (per CU)
256 KB (per SM)
L2 Cache
4 MB
50 MB
SM Count
—
148
Tensor Cores
—
592
Theoretical Performance
Pixel Rate
108.8 GPixel/s
48.77 GPixel/s
Texture Rate
435.2 GTexel/s
1202.9 GTexel/s
FP16 (half)
27.85 TFLOPS
1231.8 TFLOPS
FP32 (float)
13.93 TFLOPS
76.99 TFLOPS
FP64 (double)
6.963 TFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Vega 20
GB110
GPU Variant
Vega 20 GLXT WS(215-0914026)
—
Architecture
GCN 5.1
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
13.23 billion
104 billion
Die Size
331 mm²
Unknown
Board Design
TDP
300W
1400W
Suggested PSU
700 W
1800 W
Outputs
6x mini-DisplayPort 1.4a
No outputs
Power Connectors
1x 6-pin + 1x 8-pin
—
Graphics Features
DirectX
12 (12_1)
N/A
OpenGL
4.6
N/A
OpenCL
2.1
3.0
Vulkan
1.3
N/A
Shader Model
6.7
N/A
CUDA
—
10.3
▲ Specs Compare
Data sourced from official specifications and benchmark tests.