Product Compare

NVIDIA A800 SXM4 80 GB vs NVIDIA RTX A4000H

GPU GPU
Graphics Card
Release Date Aug 2022 Apr 2021
Generation Ampere Quadro Ampere
Type AI GPU Desktop
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1155 MHz 735 MHz
Boost Clock 1410 MHz 1560 MHz
Memory Clock 1593 MHz 1750 MHz
Memory
Memory Size 80GB 16GB
Memory Type HBM2e GDDR6
Memory Bus 5120bit 256bit
Bandwidth 2039GB/s 448.0GB/s
Render Config
SM Count 108 48
Shading Units 6912 6144
TMUs 432 192
ROPs 160 96
Tensor Cores 432 192
L1 Cache 192 KB (per SM) 128 KB (per SM)
L2 Cache 40 MB 4 MB
RT Cores 48
Theoretical Performance
Pixel Rate 225.6 GPixel/s 149.8 GPixel/s
Texture Rate 609.1 GTexel/s 299.5 GTexel/s
FP16 (half) 77.97 TFLOPS 19.17 TFLOPS
FP32 (float) 19.49 TFLOPS 19.17 TFLOPS
FP64 (double) 9.746 TFLOPS 299.5 GFLOPS
Graphics Processor
GPU Name GA100 GA104
Architecture Ampere Ampere
Foundry TSMC Samsung
Process Size 7 nm 8 nm
Transistors 54.2 billion 17.4 billion
Die Size 826 mm² 392 mm²
GPU Variant GA104-???-A1
Board Design
TDP 400W 140W
Suggested PSU 800 W 300 W
Outputs No outputs 4x DisplayPort 1.4a
Power Connectors None 1x 6-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 8.0 8.6
Shader Model N/A 6.7