NVIDIA H100 NVL 94 GB vs NVIDIA A800 SXM4 80 GB
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Aug 2022
Generation
Server Hopper
Ampere
Type
AI GPU
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1080 MHz
1155 MHz
Boost Clock
1785 MHz
1410 MHz
Memory Clock
1313 MHz
1593 MHz
Memory
Memory Size
94GB
80GB
Memory Type
HBM3
HBM2e
Memory Bus
6016bit
5120bit
Bandwidth
3.95TB/s
2039GB/s
Render Config
SM Count
132
108
Shading Units
16896
6912
TMUs
528
432
ROPs
24
160
Tensor Cores
528
432
L1 Cache
256 KB (per SM)
192 KB (per SM)
L2 Cache
50 MB
40 MB
Theoretical Performance
Pixel Rate
42.84 GPixel/s
225.6 GPixel/s
Texture Rate
942.5 GTexel/s
609.1 GTexel/s
FP16 (half)
241.3 TFLOPS
77.97 TFLOPS
FP32 (float)
60.32 TFLOPS
19.49 TFLOPS
FP64 (double)
30.16 TFLOPS
9.746 TFLOPS
Graphics Processor
GPU Name
GH100
GA100
Architecture
Hopper
Ampere
Foundry
TSMC
TSMC
Process Size
5 nm
7 nm
Transistors
80 billion
54.2 billion
Die Size
814 mm²
826 mm²
Board Design
TDP
400W
400W
Suggested PSU
800 W
800 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
None
Graphics Features
DirectX
N/A
N/A
OpenGL
N/A
N/A
OpenCL
3.0
3.0
Vulkan
N/A
N/A
CUDA
9.0
8.0
Shader Model
N/A
N/A