Product Compare

NVIDIA GeForce RTX 5090 DD vs NVIDIA A40 PCIe

GPU GPU
Graphics Card
Release Date Unknown Oct 2020
Generation GeForce 50 Tesla
Type Desktop Desktop
Bus Interface PCIe 5.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 2017 MHz 1305 MHz
Boost Clock 2407 MHz 1740 MHz
Memory Clock 1750 MHz 1812 MHz
Memory
Memory Size 24GB 48GB
Memory Type GDDR7 GDDR6
Memory Bus 384bit 384bit
Bandwidth 1.34TB/s 695.8GB/s
Render Config
SM Count 170 84
Shading Units 21760 10752
TMUs 680 336
ROPs 176 112
Tensor Cores 680 336
RT Cores 170 84
L1 Cache 128 KB (per SM) 128 KB (per SM)
L2 Cache 96 MB 6 MB
Theoretical Performance
Pixel Rate 423.6 GPixel/s 194.9 GPixel/s
Texture Rate 1636.8 GTexel/s 584.6 GTexel/s
FP16 (half) 104.8 TFLOPS 37.42 TFLOPS
FP32 (float) 104.8 TFLOPS 37.42 TFLOPS
FP64 (double) 1.637 TFLOPS 584.6 GFLOPS
Graphics Processor
GPU Name GB202 GA102
GPU Variant GB202-240-K1-A1
Architecture Blackwell 2.0 Ampere
Foundry TSMC Samsung
Process Size 5 nm 8 nm
Transistors 92.2 billion 28.3 billion
Die Size 750 mm² 628 mm²
Board Design
TDP 575W 300W
Suggested PSU 950 W 700 W
Outputs 1x HDMI 2.1b3x DisplayPort 2.1b 3x DisplayPort 1.4a
Power Connectors 1x 16-pin 8-pin EPS
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.4 1.3
CUDA 12.0 8.6
Shader Model 6.8 6.6