Product Compare

AMD Radeon RX 6600 XT vs AMD Radeon RX 5500 OEM

GPU GPU
Graphics Card
Release Date Jul 2021 Oct 2019
Generation Navi II Navi
Type Desktop Desktop
Bus Interface PCIe 4.0 x8 PCIe 4.0 x8
Clock Speeds
Base Clock 1968 MHz 1500 MHz
Boost Clock 2589 MHz 1845 MHz
Memory Clock 2000 MHz 1750 MHz
Memory
Memory Size 8GB 4GB
Memory Type GDDR6 GDDR6
Memory Bus 128bit 128bit
Bandwidth 256.0GB/s 224.0GB/s
Render Config
Compute Units 32 22
Shading Units 2048 1408
TMUs 128 88
ROPs 64 32
RT Cores 32
L1 Cache 128 KB per Array
L2 Cache 2 MB 2 MB
L3 Cache 32 MB
Theoretical Performance
Pixel Rate 165.7 GPixel/s 59.04 GPixel/s
Texture Rate 331.4 GTexel/s 162.4 GTexel/s
FP16 (half) 21.21 TFLOPS 10.39 TFLOPS
FP32 (float) 10.60 TFLOPS 5.196 TFLOPS
FP64 (double) 662.8 GFLOPS 324.7 GFLOPS
Graphics Processor
GPU Name Navi 23 Navi 14
GPU Variant Navi 23 XT(215-130000006) Navi 14 XT(215-0932220)
Architecture RDNA 2.0 RDNA 1.0
Foundry TSMC TSMC
Process Size 7 nm 7 nm
Transistors 11.06 billion 6.4 billion
Die Size 237 mm² 158 mm²
Board Design
TDP 160W 110W
Suggested PSU 450 W 300 W
Outputs 1x HDMI 2.13x DisplayPort 1.4a 1x HDMI 2.13x DisplayPort 1.4a
Power Connectors 1x 8-pin 1x 8-pin
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_1)
OpenGL 4.6 4.6
OpenCL 2.1 2.1
Vulkan 1.3 1.3
Shader Model 6.7 6.5