NVIDIA H800 SXM5 vs NVIDIA RTX A5000-8Q
GPU Specs Compare
Graphics Card
Release Date
Mar 2023
Apr 2021
Generation
Server Hopper
Quadro Ampere
Type
AI GPU
Desktop
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
1313 MHz
2000 MHz
Memory
Memory Size
80GB
8GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
384bit
Bandwidth
3.36TB/s
768.0GB/s
Render Config
SM Count
132
64
Shading Units
16896
8192
TMUs
528
256
ROPs
24
96
Tensor Cores
528
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
926.6 GTexel/s
433.9 GTexel/s
FP16 (half)
237.2 TFLOPS
27.77 TFLOPS
FP32 (float)
59.30 TFLOPS
27.77 TFLOPS
FP64 (double)
29.65 TFLOPS
433.9 GFLOPS
Graphics Processor
GPU Name
GH100
GA102
Architecture
Hopper
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
80 billion
28.3 billion
Die Size
814 mm²
628 mm²
Board Design
TDP
700W
230W
Suggested PSU
1100 W
550 W
Outputs
No outputs
4x DisplayPort 1.4a
Power Connectors
8-pin EPS
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