Product Compare

AMD Radeon RX 6600 vs NVIDIA GeForce RTX 5090 SE

GPU GPU
Graphics Card
Release Date Oct 2021 Jan 2026
Generation Navi II GeForce 50
Type Desktop Desktop
Bus Interface PCIe 4.0 x8 PCIe 5.0 x16
Clock Speeds
Base Clock 1626 MHz 1740 MHz
Boost Clock 2491 MHz 2377 MHz
Memory Clock 1750 MHz 1750 MHz
Memory
Memory Size 8GB 24GB
Memory Type GDDR6 GDDR7
Memory Bus 128bit 384bit
Bandwidth 224.0GB/s 1.34TB/s
Render Config
Compute Units 28
Shading Units 1792 14080
TMUs 112 440
ROPs 64 160
RT Cores 28 110
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 2 MB 96 MB
L3 Cache 32 MB
SM Count 110
Tensor Cores 440
Theoretical Performance
Pixel Rate 159.4 GPixel/s 380.3 GPixel/s
Texture Rate 279.0 GTexel/s 1045.9 GTexel/s
FP16 (half) 17.86 TFLOPS 66.94 TFLOPS
FP32 (float) 8.928 TFLOPS 66.94 TFLOPS
FP64 (double) 558.0 GFLOPS 1045.9 GFLOPS
Graphics Processor
GPU Name Navi 23 GB202
GPU Variant Navi 23 XL(215-130000016)
Architecture RDNA 2.0 Blackwell 2.0
Foundry TSMC TSMC
Process Size 7 nm 5 nm
Transistors 11.06 billion 92.2 billion
Die Size 237 mm² 750 mm²
Board Design
TDP 132W 500W
Suggested PSU 300 W 900 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 1x HDMI 2.1b3x DisplayPort 2.1b
Power Connectors 1x 8-pin 1x 16-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.1 3.0
Vulkan 1.3 1.4
Shader Model 6.5 6.9
CUDA 12.0