NVIDIA H800 PCIe 80 GB vs AMD Radeon Pro Vega II Duo
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Jun 2019
Generation
Tesla Hopper
Radeon Pro Mac
Type
AI GPU
Desktop
Bus Interface
PCIe 5.0 x16
Apple MPX
Clock Speeds
Base Clock
1095 MHz
1400 MHz
Boost Clock
1755 MHz
1720 MHz
Memory Clock
1593 MHz
1000 MHz
Memory
Memory Size
80GB
32GB
Memory Type
HBM2e
HBM2
Memory Bus
5120bit
4096bit
Bandwidth
2039GB/s
1020GB/s
Render Config
SM Count
114
—
Shading Units
14592
4096
TMUs
456
256
ROPs
24
64
Tensor Cores
456
—
L1 Cache
256 KB (per SM)
16 KB (per CU)
L2 Cache
50 MB
4 MB
Compute Units
—
64
Theoretical Performance
Pixel Rate
42.12 GPixel/s
110.1 GPixel/s
Texture Rate
800.3 GTexel/s
440.3 GTexel/s
FP16 (half)
204.9 TFLOPS
28.18 TFLOPS
FP32 (float)
51.22 TFLOPS
14.09 TFLOPS
FP64 (double)
25.61 TFLOPS
7.045 TFLOPS
Graphics Processor
GPU Name
GH100
Vega 20
Architecture
Hopper
GCN 5.1
Foundry
TSMC
TSMC
Process Size
4 nm
7 nm
Transistors
80 billion
13.23 billion
Die Size
814 mm²
331 mm²
GPU Variant
—
Vega 20 XT
Board Design
TDP
350W
475W
Suggested PSU
750 W
850 W
Outputs
No outputs
1x HDMI 2.0b4x Thunderbolt
Power Connectors
1x 16-pin
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
9.0
—
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.