NVIDIA H800 SXM5 vs NVIDIA RTX A3000 Mobile
GPU · Specs Compare
Graphics Card
Release Date
Mar 2023
Apr 2021
Generation
Server Hopper
Ampere-MW
Type
AI GPU
Professional
Bus Interface
PCIe 5.0 x16
PCIe 4.0 x16
Clock Speeds
Base Clock
1095 MHz
600 MHz
Boost Clock
1755 MHz
1230 MHz
Memory Clock
1313 MHz
1375 MHz
Memory
Memory Size
80GB
6GB
Memory Type
HBM3
GDDR6
Memory Bus
5120bit
192bit
Bandwidth
3.36TB/s
264.0GB/s
Render Config
SM Count
132
32
Shading Units
16896
4096
TMUs
528
128
ROPs
24
64
Tensor Cores
528
128
L1 Cache
256 KB (per SM)
128 KB (per SM)
L2 Cache
50 MB
4 MB
RT Cores
—
32
Theoretical Performance
Pixel Rate
42.12 GPixel/s
78.72 GPixel/s
Texture Rate
926.6 GTexel/s
157.4 GTexel/s
FP16 (half)
237.2 TFLOPS
10.08 TFLOPS
FP32 (float)
59.30 TFLOPS
10.08 TFLOPS
FP64 (double)
29.65 TFLOPS
157.4 GFLOPS
Graphics Processor
GPU Name
GH100
GA104
Architecture
Hopper
Ampere
Foundry
TSMC
Samsung
Process Size
5 nm
8 nm
Transistors
80 billion
17.4 billion
Die Size
814 mm²
392 mm²
Board Design
TDP
700W
70W
Suggested PSU
1100 W
—
Outputs
No outputs
Portable Device Dependent
Power Connectors
8-pin EPS
None
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
6.8
▲ Specs Compare
Data sourced from official specifications and benchmark tests.