Product Compare

AMD Radeon 660M vs AMD Radeon RX 9070 XT

GPU GPU
Graphics Card
Release Date Jan 2022 Mar 2025
Generation Rembrandt Navi IV
Type Integrated Desktop
Bus Interface PCIe 4.0 x8 PCIe 5.0 x16
Clock Speeds
Base Clock 1500 MHz 1660 MHz
Boost Clock 1900 MHz 2970 MHz
Memory Clock System Shared 2518 MHz
Memory
Memory Size System Shared 16GB
Memory Type System Shared GDDR6
Memory Bus System Shared 256bit
Bandwidth System Dependent 644.6GB/s
Render Config
Compute Units 6 64
Shading Units 384 4096
TMUs 24 256
ROPs 16 128
RT Cores 6 64
L1 Cache 128 KB per Array 128
L2 Cache 2 MB 8 MB
Tensor Cores 128
L3 Cache 64 MB
Theoretical Performance
Pixel Rate 30.40 GPixel/s 380.2 GPixel/s
Texture Rate 45.60 GTexel/s 760.3 GTexel/s
FP16 (half) 2.918 TFLOPS 97.32 TFLOPS
FP32 (float) 1459 GFLOPS 48.66 TFLOPS
FP64 (double) 91.20 GFLOPS 1.521 TFLOPS
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 53.9 billion
Die Size 210 mm² 357 mm²
GPU Variant Navi 48 XTX
Board Design
TDP 15W 304W
Outputs No outputs 1x HDMI 2.1b3x DisplayPort 2.1a
Power Connectors None 2x 8-pin
Suggested PSU 700 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 1.4
Shader Model 6.5 6.8
Benchmarks
3DMark Time Spy 1537 30445
3DMark Time Spy Extreme 701 14633