NVIDIA B300 vs AMD Radeon Pro Vega 48
GPU · Specs Compare
Graphics Card
Release Date
Sep 2025
Mar 2019
Generation
Server Blackwell
Radeon Pro Mac
Type
Desktop
Mobile
Bus Interface
PCIe 5.0 x16
PCIe 3.0 x16
Clock Speeds
Base Clock
1665 MHz
—
Boost Clock
2032 MHz
—
Memory Clock
2000 MHz
786 MHz
Memory
Memory Size
144GB
8GB
Memory Type
HBM3e
HBM2
Memory Bus
4096bit
2048bit
Bandwidth
4.10TB/s
402.4GB/s
Render Config
SM Count
148
—
Shading Units
18944
3072
TMUs
592
192
ROPs
24
64
Tensor Cores
592
—
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
4 MB
Compute Units
—
48
Theoretical Performance
Pixel Rate
48.77 GPixel/s
76.80 GPixel/s
Texture Rate
1202.9 GTexel/s
230.4 GTexel/s
FP16 (half)
1231.8 TFLOPS
14.75 TFLOPS
FP32 (float)
76.99 TFLOPS
7.373 TFLOPS
FP64 (double)
1202.9 GFLOPS
460.8 GFLOPS
Graphics Processor
GPU Name
GB110
Vega 10
Architecture
Blackwell Ultra
GCN 5.0
Foundry
TSMC
GlobalFoundries
Process Size
5 nm
14 nm
Transistors
104 billion
12.5 billion
Die Size
Unknown
495 mm²
GPU Variant
—
Vega 10 PRO
Board Design
TDP
1400W
Unknown
Suggested PSU
1800 W
—
Outputs
No outputs
Portable Device Dependent
Power Connectors
—
None
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
▲ Specs Compare
Data sourced from official specifications and benchmark tests.