Product Compare

AMD Radeon RX 6600M vs NVIDIA GeForce RTX 4090

GPU GPU
Graphics Card
Release Date May 2021 Sep 2022
Generation Mobility Radeon GeForce 40
Type Mobile Desktop
Bus Interface PCIe 4.0 x8 PCIe 4.0 x16
Clock Speeds
Base Clock 2068 MHz 2235 MHz
Boost Clock 2416 MHz 2520 MHz
Memory Clock 1750 MHz 1313 MHz
Memory
Memory Size 8GB 24GB
Memory Type GDDR6 GDDR6X
Memory Bus 128bit 384bit
Bandwidth 224.0GB/s 1.01TB/s
Render Config
Compute Units 28
Shading Units 1792 16384
TMUs 112 512
ROPs 64 176
RT Cores 28 128
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 2 MB 72 MB
L3 Cache 32 MB
SM Count 128
Tensor Cores 512
Theoretical Performance
Pixel Rate 154.6 GPixel/s 443.5 GPixel/s
Texture Rate 270.6 GTexel/s 1290.2 GTexel/s
FP16 (half) 17.32 TFLOPS 82.58 TFLOPS
FP32 (float) 8.659 TFLOPS 82.58 TFLOPS
FP64 (double) 541.2 GFLOPS 1290.2 GFLOPS
Graphics Processor
GPU Name Navi 23 AD102
Architecture RDNA 2.0 Ada Lovelace
Foundry TSMC TSMC
Process Size 7 nm 5 nm
Transistors 11.06 billion 76.3 billion
Die Size 237 mm² 609 mm²
GPU Variant AD102-300-A1
Board Design
TDP 100W 450W
Outputs No outputs 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors None 1x 16-pin
Suggested PSU 850 W
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 6.8
CUDA 8.9