Product Compare

AMD Radeon Pro Vega 64X vs NVIDIA B300

GPU GPU
Graphics Card
Release Date Mar 2019 Sep 2025
Generation Radeon Pro Mac Server Blackwell
Type Mobile Desktop
Bus Interface PCIe 3.0 x16 PCIe 5.0 x16
Clock Speeds
Base Clock 1250 MHz 1665 MHz
Boost Clock 1468 MHz 2032 MHz
Memory Clock 1000 MHz 2000 MHz
Memory
Memory Size 16GB 144GB
Memory Type HBM2 HBM3e
Memory Bus 2048bit 4096bit
Bandwidth 512.0GB/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 93.95 GPixel/s 48.77 GPixel/s
Texture Rate 375.8 GTexel/s 1202.9 GTexel/s
FP16 (half) 24.05 TFLOPS 1231.8 TFLOPS
FP32 (float) 12.03 TFLOPS 76.99 TFLOPS
FP64 (double) 751.6 GFLOPS 1202.9 GFLOPS
Graphics Processor
GPU Name Vega 10 GB110
GPU Variant Vega 10 XT(215-0894200)
Architecture GCN 5.0 Blackwell Ultra
Foundry GlobalFoundries TSMC
Process Size 14 nm 5 nm
Transistors 12.5 billion 104 billion
Die Size 495 mm² Unknown
Board Design
TDP 250W 1400W
Outputs No outputs No outputs
Power Connectors None
Suggested PSU 1800 W
Graphics Features
DirectX 12 (12_1) N/A
OpenGL 4.6 N/A
OpenCL 2.1 3.0
Vulkan 1.2 N/A
Shader Model 6.4 N/A
CUDA 10.3