NVIDIA H800 PCIe 80 GB vs NVIDIA RTX A5000
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Apr 2021
Generation
Tesla Hopper
Quadro Ampere
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1095 MHz
1170 MHz
Boost Clock
1755 MHz
1695 MHz
Memory Clock
1593 MHz
2000 MHz
Memory
Memory Size
80GB
24GB
Memory Type
HBM2e
GDDR6
Memory Bus
5120bit
384bit
Bandwidth
2039GB/s
768.0GB/s
Render Config
SM Count
114
64
Shading Units
14592
8192
TMUs
456
256
ROPs
24
96
Tensor Cores
456
256
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
6 MB
RT Cores
—
64
Theoretical Performance
Pixel Rate
42.12 GPixel/s
162.7 GPixel/s
Texture Rate
800.3 GTexel/s
433.9 GTexel/s
FP16 (half)
204.9 TFLOPS
27.77 TFLOPS
FP32 (float)
51.22 TFLOPS
27.77 TFLOPS
FP64 (double)
25.61 TFLOPS
433.9 GFLOPS
Graphics Processor
GPU Name
GH100
GA102
Architecture
Hopper
Ampere
Foundry
TSMC
Samsung
Process Size
4 nm
8 nm
Transistors
80 billion
28.3 billion
Die Size
814 mm²
628 mm²
Board Design
TDP
350W
230W
Suggested PSU
750 W
550 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
1x 16-pin
1x 8-pin
Graphics Features
DirectX
N/A
12 Ultimate (12_2)
OpenGL
N/A
4.6
OpenCL
3.0
3.0
Vulkan
N/A
1.3
CUDA
9.0
8.6
Shader Model
N/A
6.7
▲ Specs Compare
Data sourced from official specifications and benchmark tests.