NVIDIA H100 PCIe 96 GB vs NVIDIA H800 PCIe 80 GB
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Mar 2023
Generation
Tesla Hopper
Tesla Hopper
Type
AI GPU
AI GPU
Bus Interface
PCIe 5.0 x16
PCIe 5.0 x16
Clock Speeds
Base Clock
1665 MHz
1095 MHz
Boost Clock
1837 MHz
1755 MHz
Memory Clock
1313 MHz
1593 MHz
Memory
Memory Size
96GB
80GB
Memory Type
HBM3
HBM2e
Memory Bus
5120bit
5120bit
Bandwidth
1681GB/s
2039GB/s
Render Config
SM Count
132
114
Shading Units
16896
14592
TMUs
528
456
ROPs
24
24
Tensor Cores
528
456
L1 Cache
256 KB (per SM)
256 KB (per SM)
L2 Cache
50 MB
50 MB
Theoretical Performance
Pixel Rate
44.09 GPixel/s
42.12 GPixel/s
Texture Rate
969.9 GTexel/s
800.3 GTexel/s
FP16 (half)
248.3 TFLOPS
204.9 TFLOPS
FP32 (float)
62.08 TFLOPS
51.22 TFLOPS
FP64 (double)
31.04 TFLOPS
25.61 TFLOPS
Graphics Processor
GPU Name
GH100
GH100
Architecture
Hopper
Hopper
Foundry
TSMC
TSMC
Process Size
4 nm
4 nm
Transistors
80 billion
80 billion
Die Size
814 mm²
814 mm²
Board Design
TDP
700W
350W
Suggested PSU
1100 W
750 W
Outputs
No outputs
No outputs
Power Connectors
8-pin EPS
1x 16-pin
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
9.0
Shader Model
N/A
N/A