AMD Radeon Pro Vega II vs NVIDIA B300 SXM6 AC
GPU Specs Compare
Graphics Card
Release Date
Jun 2019
Sep 2025
Generation
Radeon Pro Mac
Server Blackwell
Type
Desktop
Desktop
Bus Interface
Apple MPX
PCIe 6.0 x16
Clock Speeds
Base Clock
1574 MHz
1665 MHz
Boost Clock
1720 MHz
2032 MHz
Memory Clock
806 MHz
2000 MHz
Memory
Memory Size
32GB
288GB
Memory Type
HBM2
HBM3e
Memory Bus
4096bit
8192bit
Bandwidth
825.3GB/s
8.19TB/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
126 MB
SM Count
-
148
Tensor Cores
-
592
Theoretical Performance
Pixel Rate
110.1 GPixel/s
48.77 GPixel/s
Texture Rate
440.3 GTexel/s
1202.9 GTexel/s
FP16 (half)
28.18 TFLOPS
76.99 TFLOPS
FP32 (float)
14.09 TFLOPS
76.99 TFLOPS
FP64 (double)
7.045 TFLOPS
1202.9 GFLOPS
Graphics Processor
GPU Name
Vega 20
GB110
GPU Variant
Vega 20 XT
-
Architecture
GCN 5.1
Blackwell Ultra
Foundry
TSMC
TSMC
Process Size
7 nm
5 nm
Transistors
13.23 billion
208 billion
Die Size
331 mm²
1628 mm²
Board Design
TDP
475W
1100W
Suggested PSU
850 W
1500 W
Outputs
1x HDMI 2.0b4x Thunderbolt
No outputs
Power Connectors
None
-
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
📊 Benchmark
Blender
832
-