Product Compare

AMD Radeon HD 8860 OEM vs AMD Radeon 660M

GPU GPU
Graphics Card
Release Date Jan 2013 Jan 2022
Generation Sea Islands Rembrandt
Type Desktop Integrated
Bus Interface PCIe 3.0 x16 PCIe 4.0 x8
Clock Speeds
Memory Clock 1400 MHz System Shared
Base Clock 1500 MHz
Boost Clock 1900 MHz
Memory
Memory Size 2GB System Shared
Memory Type GDDR5 System Shared
Memory Bus 256bit System Shared
Bandwidth 179.2GB/s System Dependent
Render Config
Compute Units 20 6
Shading Units 1280 384
TMUs 80 24
ROPs 32 16
L1 Cache 16 KB (per CU) 128 KB per Array
L2 Cache 512 KB 2 MB
RT Cores 6
Theoretical Performance
Pixel Rate 29.60 GPixel/s 30.40 GPixel/s
Texture Rate 74.00 GTexel/s 45.60 GTexel/s
FP32 (float) 2.368 TFLOPS 1459 GFLOPS
FP64 (double) 148.0 GFLOPS 91.20 GFLOPS
FP16 (half) 2.918 TFLOPS
Graphics Processor
GPU Name Curacao Rembrandt
GPU Variant Curacao PRO(215-0848000)
Architecture GCN 1.0 RDNA 2.0
Foundry TSMC TSMC
Process Size 28 nm 6 nm
Transistors 2.8 billion 13.1 billion
Die Size 212 mm² 210 mm²
Board Design
TDP 175W 15W
Suggested PSU 450 W
Outputs 1x DVI1x HDMI 1.4a2x mini-DisplayPort 1.2 No outputs
Power Connectors 1x 6-pin None
Graphics Features
DirectX 12 (11_1) 12 Ultimate (12_2)
OpenGL 4.6 4.6
OpenCL 1.2 2.0
Vulkan 1.2 1.2
Shader Model 5.1 6.5