AMD Radeon 660M vs AMD Radeon Pro Duo Polaris
GPU Specs Compare
Graphics Card
Release Date
Jan 2022
Apr 2017
Generation
Rembrandt
Radeon Pro GCN
Type
Integrated
Desktop
Bus Interface
PCIe 4.0 x8
PCIe 3.0 x16
Clock Speeds
Base Clock
1500 MHz
-
Boost Clock
1900 MHz
-
Memory Clock
System Shared
1750 MHz
Memory
Memory Size
System Shared
16GB
Memory Type
System Shared
GDDR5
Memory Bus
System Shared
256bit
Bandwidth
System Dependent
224.0GB/s
Render Config
Compute Units
6
36
Shading Units
384
2304
TMUs
24
144
ROPs
16
32
RT Cores
6
-
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
2 MB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
39.78 GPixel/s
Texture Rate
45.60 GTexel/s
179.0 GTexel/s
FP16 (half)
2.918 TFLOPS
5.728 TFLOPS
FP32 (float)
1459 GFLOPS
5.728 TFLOPS
FP64 (double)
91.20 GFLOPS
358.0 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Ellesmere
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
13.1 billion
5.7 billion
Die Size
210 mm²
232 mm²
GPU Variant
-
Ellesmere Gemini GL
Board Design
TDP
15W
250W
Outputs
No outputs
1x HDMI 2.0b3x DisplayPort 1.4a
Power Connectors
None
1x 6-pin + 1x 8-pin
Suggested PSU
-
600 W
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.3
Shader Model
6.5
6.7
📊 Benchmark
3DMark Time Spy
1,537
-
3DMark Time Spy Extreme
701
-