AMD Radeon Pro W6600M vs AMD Radeon 660M
GPU · Specs Compare
Graphics Card
Release Date
Jun 2021
Jan 2022
Generation
Radeon Pro Mobile
Rembrandt
Type
Mobile
Integrated
Bus Interface
PCIe 4.0 x16
PCIe 4.0 x8
Clock Speeds
Base Clock
1224 MHz
1500 MHz
Boost Clock
2034 MHz
1900 MHz
Memory Clock
1750 MHz
System Shared
Memory
Memory Size
8GB
System Shared
Memory Type
GDDR6
System Shared
Memory Bus
128bit
System Shared
Bandwidth
224.0GB/s
System Dependent
Render Config
Compute Units
28
6
SM Count
66
—
Shading Units
1792
384
TMUs
112
24
ROPs
64
16
Tensor Cores
264
—
RT Cores
28
6
L1 Cache
128 KB per Array
128 KB per Array
L2 Cache
2 MB
2 MB
L3 Cache
32 MB
—
Theoretical Performance
Pixel Rate
130.2 GPixel/s
30.40 GPixel/s
Texture Rate
227.8 GTexel/s
45.60 GTexel/s
FP16 (half)
14.58 TFLOPS
2.918 TFLOPS
FP32 (float)
7.290 TFLOPS
1459 GFLOPS
FP64 (double)
455.6 GFLOPS
91.20 GFLOPS
Graphics Processor
GPU Name
Navi 23
Rembrandt
GPU Variant
Navi 23 WKS-XM
—
Architecture
RDNA 2.0
RDNA 2.0
Foundry
TSMC
TSMC
Process Size
7 nm
6 nm
Transistors
11.06 billion
13.1 billion
Die Size
237 mm²
210 mm²
Board Design
TDP
90W
15W
Suggested PSU
600 W
—
Outputs
Portable Device Dependent
No outputs
Power Connectors
None
None
Graphics Features
DirectX
12 Ultimate (12_2)
12 Ultimate (12_2)
OpenGL
4.6
4.6
OpenCL
2.1
2.0
Vulkan
1.3
1.2
CUDA
8.9
—
Shader Model
6.7
6.5
Benchmark
3DMark Time Spy
—
1,537
3DMark Time Spy Extreme
—
701
▲ Specs Compare
Data sourced from official specifications and benchmark tests.