NVIDIA H800 SXM5 vs AMD Zhongshan Subor Z+ GPU
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Aug 2018
Generation
Server Hopper
Console GPU
Type
AI GPU
Game console
Bus Interface
PCIe 5.0 x16
—
Clock Speeds
Base Clock
1095 MHz
—
Boost Clock
1755 MHz
—
Memory Clock
1313 MHz
1200 MHz
Memory
Memory Size
80GB
8GB
Memory Type
HBM3
GDDR5
Memory Bus
5120bit
256bit
Bandwidth
3.36TB/s
153.6GB/s
Render Config
SM Count
132
—
Shading Units
16896
1536
TMUs
528
96
ROPs
24
32
Tensor Cores
528
—
L1 Cache
256 KB (per SM)
—
L2 Cache
50 MB
—
Compute Units
—
24
Theoretical Performance
Pixel Rate
42.12 GPixel/s
41.60 GPixel/s
Texture Rate
926.6 GTexel/s
124.8 GTexel/s
FP16 (half)
237.2 TFLOPS
7.987 TFLOPS
FP32 (float)
59.30 TFLOPS
3.994 TFLOPS
FP64 (double)
29.65 TFLOPS
249.6 GFLOPS
Graphics Processor
GPU Name
GH100
Fenghuang
Architecture
Hopper
GCN 5.0
Foundry
TSMC
TSMC
Process Size
5 nm
14 nm
Transistors
80 billion
Unknown
Die Size
814 mm²
397 mm²
GPU Variant
—
Zhongshan Subor
Board Design
TDP
700W
100W
Suggested PSU
1100 W
—
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
—
Graphics Features
DirectX
N/A
12 (12_1)
OpenGL
N/A
4.6
OpenCL
3.0
2.1
Vulkan
N/A
1.2
CUDA
9.0
—
Shader Model
N/A
6.2
▲ Specs Compare
Data sourced from official specifications and benchmark tests.