Product Compare

NVIDIA GeForce RTX 4080 vs NVIDIA GeForce RTX 4090

GPU GPU
Graphics Card
Release Date Sep 2022 Sep 2022
Generation GeForce 40 GeForce 40
Type Desktop Desktop
Bus Interface PCIe 4.0 x16 PCIe 4.0 x16
Clock Speeds
Base Clock 2205 MHz 2235 MHz
Boost Clock 2505 MHz 2520 MHz
Memory Clock 1400 MHz 1313 MHz
Memory
Memory Size 16GB 24GB
Memory Type GDDR6X GDDR6X
Memory Bus 256bit 384bit
Bandwidth 716.8GB/s 1.01TB/s
Render Config
SM Count 76 128
Shading Units 9728 16384
TMUs 304 512
ROPs 112 176
Tensor Cores 304 512
RT Cores 76 128
L1 Cache 128 KB (per SM) 128 KB (per SM)
L2 Cache 64 MB 72 MB
Theoretical Performance
Pixel Rate 280.6 GPixel/s 443.5 GPixel/s
Texture Rate 761.5 GTexel/s 1290.2 GTexel/s
FP16 (half) 48.74 TFLOPS 82.58 TFLOPS
FP32 (float) 48.74 TFLOPS 82.58 TFLOPS
FP64 (double) 761.5 GFLOPS 1290.2 GFLOPS
Graphics Processor
GPU Name AD103 AD102
GPU Variant AD103-300-A1 AD102-300-A1
Architecture Ada Lovelace Ada Lovelace
Foundry TSMC TSMC
Process Size 5 nm 5 nm
Transistors 45.9 billion 76.3 billion
Die Size 379 mm² 609 mm²
Board Design
TDP 320W 450W
Suggested PSU 700 W 850 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors 1x 16-pin 1x 16-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 3.0 3.0
Vulkan 1.3 1.4
CUDA 8.9 8.9
Shader Model 6.7 6.8