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