Home GPU Comparison NVIDIA A800 PCIe 80 GB vs NVIDIA H100 PCIe 80 GB

NVIDIA A800 PCIe 80 GB vs NVIDIA H100 PCIe 80 GB

NVIDIA A800 PCIe 80 GB
VS
NVIDIA H100 PCIe 80 GB
NVIDIA A800 PCIe 80 GB NVIDIA H100 PCIe 80 GB
AI GPUAI GPU We compared two GPUs: 80GB VRAM A800 PCIe 80 GB and 80GB VRAM H100 PCIe 80 GB to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA A800 PCIe 80 GB 's Advantages
Lower TDP (250W vs 350W)
NVIDIA H100 PCIe 80 GB 's Advantages
Boost Clock has increased by 24% (1755MHz vs 1410MHz)
7680 additional rendering cores

Score

Benchmark

FP32 (float)
A800 PCIe 80 GB
19.49 TFLOPS
H100 PCIe 80 GB +162%
51.22 TFLOPS
A800 PCIe 80 GB
VS
H100 PCIe 80 GB

Graphics Card

Nov 2022
Release Date
Mar 2023
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
-
Compute Units
-
6912
Shading Units
14592
432
TMUs
456
160
ROPs
24
432
Tensor Cores
456
-
RT Cores
-
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

Graphics Processor

GA100
GPU Name
GH100
-
GPU Variant
-
Ampere
Architecture
Hopper
TSMC
Foundry
TSMC
7 nm
Process Size
4 nm
54.2 billion
Transistors
80 billion
826 mm²
Die Size
814 mm²

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 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

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