Product Compare

NVIDIA RTX 6000D vs NVIDIA A800 PCIe 40 GB

GPU GPU
Graphics Card
Release Date Jul 2025 Nov 2022
Generation Blackwell PRO W Ampere
Type Desktop AI GPU
Bus Interface PCIe 5.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 1992 MHz 765 MHz
Boost Clock 2430 MHz 1410 MHz
Memory Clock 1560 MHz 1215 MHz
Memory
Memory Size 84GB 40GB
Memory Type GDDR7 HBM2e
Memory Bus 448bit 5120bit
Bandwidth 1.40TB/s 1555GB/s
Render Config
SM Count 156 108
Shading Units 19968 6912
TMUs 624 432
ROPs 192 160
Tensor Cores 624 432
RT Cores 156
L1 Cache 128 KB (per SM) 192 KB (per SM)
L2 Cache 128 MB 40 MB
Theoretical Performance
Pixel Rate 466.6 GPixel/s 225.6 GPixel/s
Texture Rate 1516.3 GTexel/s 609.1 GTexel/s
FP16 (half) 97.04 TFLOPS 77.97 TFLOPS
FP32 (float) 97.04 TFLOPS 19.49 TFLOPS
FP64 (double) 1.516 TFLOPS 9.746 TFLOPS
Graphics Processor
GPU Name GB202 GA100
Architecture Blackwell 2.0 Ampere
Foundry TSMC TSMC
Process Size 5 nm 7 nm
Transistors 92.2 billion 54.2 billion
Die Size 750 mm² 826 mm²
Board Design
TDP 600W 250W
Suggested PSU 1000 W 600 W
Outputs 4x DisplayPort 2.1b No outputs
Power Connectors 1x 16-pin 8-pin EPS
Graphics Features
DirectX 12 Ultimate (12_2) N/A
OpenGL 4.6 N/A
OpenCL 3.0 3.0
Vulkan 1.4 N/A
CUDA 12.0 8.0
Shader Model 6.9 N/A