A800 PCIe 80 GB vs H100 PCIe
AI GPUAI GPU
We compared two GPUs: 80GB VRAM A800 PCIe 80 GB and 80GB VRAM H100 PCIe to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.
Main Differences
A800 PCIe 80 GB Advantages
Released 8 months late
Lower TDP (250W vs 350W)
H100 PCIe Advantages
Boost Clock has increased by 24% (1755MHz vs 1410MHz)
7680 additional rendering cores
Score
Benchmark
FP32 (float)
A800 PCIe 80 GB
19490
H100 PCIe
+162%
51220
Blender
A800 PCIe 80 GB
3719
H100 PCIe
+30%
4845
Graphics Card
Nov 2022
Release Date
Mar 2022
Ampere
Generation
Tesla Hopper
AI GPU
Type
AI GPU
PCIe 4.0 x16
Bus Interface
PCIe 5.0 x16
Clock Speeds
1065 MHz
Base Clock
1095 MHz
1410 MHz
Boost Clock
1755 MHz
1593 MHz
Memory Clock
1593 MHz
Memory
80GB
Memory Size
80GB
HBM2e
Memory Type
HBM2e
5120bit
Memory Bus
5120bit
2039GB/s
Bandwidth
2039GB/s
Render Config
108
SM Count
114
6912
Shading Units
14592
432
TMUs
456
160
ROPs
24
432
Tensor Cores
456
192 KB (per SM)
L1 Cache
256 KB (per SM)
80 MB
L2 Cache
50 MB
Theoretical Performance
225.6 GPixel/s
Pixel Rate
42.12 GPixel/s
609.1 GTexel/s
Texture Rate
800.3 GTexel/s
77.97 TFLOPS
FP16 (half)
204.9 TFLOPS
19.49 TFLOPS
FP32 (float)
51.22 TFLOPS
9.746 TFLOPS
FP64 (double)
25.61 TFLOPS
Board Design
250W
TDP
350W
600 W
Suggested PSU
750 W
No outputs
Outputs
No outputs
8-pin EPS
Power Connectors
1x 16-pin
Graphics Processor
GA100
GPU Name
GH100
Ampere
Architecture
Hopper
TSMC
Foundry
TSMC
7 nm
Process Size
4 nm
54.2 billion
Transistors
80 billion
826 mm²
Die Size
814 mm²
Graphics Features
N/A
DirectX
N/A
N/A
OpenGL
N/A
3.0
OpenCL
3.0
N/A
Vulkan
N/A
8.0
CUDA
9.0
N/A
Shader Model
N/A