Product Compare

AMD Radeon RX 6600 XT vs NVIDIA GeForce RTX 5090 Mobile

GPU GPU
Graphics Card
Release Date Jul 2021 Mar 2025
Generation Navi II GeForce 50 Mobile
Type Desktop Mobile
Bus Interface PCIe 4.0 x8 PCIe 5.0 x16
Clock Speeds
Base Clock 1968 MHz 990 MHz
Boost Clock 2589 MHz 1515 MHz
Memory Clock 2000 MHz 1750 MHz
Memory
Memory Size 8GB 24GB
Memory Type GDDR6 GDDR7
Memory Bus 128bit 256bit
Bandwidth 256.0GB/s 896.0GB/s
Render Config
Compute Units 32
Shading Units 2048 10496
TMUs 128 328
ROPs 64 112
RT Cores 32 82
L1 Cache 128 KB per Array 128 KB (per SM)
L2 Cache 2 MB 64 MB
L3 Cache 32 MB
SM Count 82
Tensor Cores 328
Theoretical Performance
Pixel Rate 165.7 GPixel/s 169.7 GPixel/s
Texture Rate 331.4 GTexel/s 496.9 GTexel/s
FP16 (half) 21.21 TFLOPS 31.80 TFLOPS
FP32 (float) 10.60 TFLOPS 31.80 TFLOPS
FP64 (double) 662.8 GFLOPS 496.9 GFLOPS
Graphics Processor
GPU Name Navi 23 GB203
GPU Variant Navi 23 XT(215-130000006) GN22-X11-A1
Architecture RDNA 2.0 Blackwell 2.0
Foundry TSMC TSMC
Process Size 7 nm 5 nm
Transistors 11.06 billion 45.6 billion
Die Size 237 mm² 378 mm²
Board Design
TDP 160W 95W
Suggested PSU 450 W 550 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a Portable Device Dependent
Power Connectors 1x 8-pin None
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 6.7 6.8
CUDA 12.0
Benchmarks
Blender 1213 8089