Product Compare

AMD Radeon 660M vs AMD Radeon RX 8800 XT

GPU GPU
Graphics Card
Release Date Jan 2022 Unknown
Generation Rembrandt Navi IV(RX 8000)
Type Integrated Desktop
Bus Interface PCIe 4.0 x8 PCIe 4.0 x16
Clock Speeds
Base Clock 1500 MHz 1295 MHz
Boost Clock 1900 MHz 2430 MHz
Memory Clock System Shared 2438 MHz
Memory
Memory Size System Shared 16GB
Memory Type System Shared GDDR6
Memory Bus System Shared 256bit
Bandwidth System Dependent 624.1GB/s
Render Config
Compute Units 6 64
Shading Units 384 4096
TMUs 24 256
ROPs 16 96
RT Cores 6 64
L1 Cache 128 KB per Array 128 KB per Array
L2 Cache 2 MB 4 MB
L3 Cache 64 MB
Theoretical Performance
Pixel Rate 30.40 GPixel/s 233.3 GPixel/s
Texture Rate 45.60 GTexel/s 622.1 GTexel/s
FP16 (half) 2.918 TFLOPS 39.81 TFLOPS
FP32 (float) 1459 GFLOPS 19.91 TFLOPS
FP64 (double) 91.20 GFLOPS 622.1 GFLOPS
Graphics Processor
GPU Name Rembrandt Navi 48
Architecture RDNA 2.0 RDNA 4.0
Foundry TSMC TSMC
Process Size 6 nm 4 nm
Transistors 13.1 billion Unknown
Die Size 210 mm² Unknown
GPU Variant Navi 48 XT
Board Design
TDP 15W 220W
Outputs No outputs 1x HDMI 2.1a3x DisplayPort 2.1
Power Connectors None 2x 8-pin
Suggested PSU 550 W
Graphics Features
DirectX 12 Ultimate (12_2) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 2.0 2.2
Vulkan 1.2 1.3
Shader Model 6.5 6.8