Product Compare

AMD Radeon RX 6600M vs AMD Radeon E8870

GPU GPU
Graphics Card
Release Date May 2021 Sep 2015
Generation Mobility Radeon Embedded
Type Mobile Mobile
Bus Interface PCIe 4.0 x8 MXM-B (3.0)
Clock Speeds
Base Clock 2068 MHz
Boost Clock 2416 MHz
Memory Clock 1750 MHz 1500 MHz
Memory
Memory Size 8GB 4GB
Memory Type GDDR6 GDDR5
Memory Bus 128bit 128bit
Bandwidth 224.0GB/s 96.00GB/s
Render Config
Compute Units 28 12
Shading Units 1792 768
TMUs 112 48
ROPs 64 16
RT Cores 28
L1 Cache 128 KB per Array 16 KB (per CU)
L2 Cache 2 MB 256 KB
L3 Cache 32 MB
Theoretical Performance
Pixel Rate 154.6 GPixel/s 16.00 GPixel/s
Texture Rate 270.6 GTexel/s 48.00 GTexel/s
FP16 (half) 17.32 TFLOPS
FP32 (float) 8.659 TFLOPS 1.536 TFLOPS
FP64 (double) 541.2 GFLOPS 96.00 GFLOPS
Graphics Processor
GPU Name Navi 23 Saturn
Architecture RDNA 2.0 GCN 2.0
Foundry TSMC TSMC
Process Size 7 nm 28 nm
Transistors 11.06 billion 2.08 billion
Die Size 237 mm² 160 mm²
GPU Variant Saturn PRO
Board Design
TDP 100W 75W
Outputs No outputs No outputs
Power Connectors None None
Graphics Features
DirectX 12 Ultimate (12_2) 12 (12_0)
OpenGL 4.6 4.6
OpenCL 2.1 2.0
Vulkan 1.3 1.2
Shader Model 6.5 6.3