AMD Radeon 660M vs AMD Radeon RX Vega M GL
GPU · Specs Compare
Graphics Card
Release Date
Jan 2022
Feb 2018
Generation
Rembrandt
Vega
Type
Integrated
Mobile
Bus Interface
PCIe 4.0 x8
IGP
Clock Speeds
Base Clock
1500 MHz
931 MHz
Boost Clock
1900 MHz
1011 MHz
Memory Clock
System Shared
700 MHz
Memory
Memory Size
System Shared
4GB
Memory Type
System Shared
HBM2
Memory Bus
System Shared
1024bit
Bandwidth
System Dependent
179.2GB/s
Render Config
Compute Units
6
20
Shading Units
384
1280
TMUs
24
80
ROPs
16
32
RT Cores
6
—
L1 Cache
128 KB per Array
16 KB (per CU)
L2 Cache
2 MB
1024 KB
Theoretical Performance
Pixel Rate
30.40 GPixel/s
32.35 GPixel/s
Texture Rate
45.60 GTexel/s
80.88 GTexel/s
FP16 (half)
2.918 TFLOPS
2.588 TFLOPS
FP32 (float)
1459 GFLOPS
2.588 TFLOPS
FP64 (double)
91.20 GFLOPS
161.8 GFLOPS
Graphics Processor
GPU Name
Rembrandt
Polaris 22
Architecture
RDNA 2.0
GCN 4.0
Foundry
TSMC
GlobalFoundries
Process Size
6 nm
14 nm
Transistors
13.1 billion
5 billion
Die Size
210 mm²
208 mm²
GPU Variant
—
VegaM XL(D715A714)
Board Design
TDP
15W
65W
Outputs
No outputs
No outputs
Power Connectors
None
—
Graphics Features
DirectX
12 Ultimate (12_2)
12 (12_0)
OpenGL
4.6
4.6
OpenCL
2.0
2.1
Vulkan
1.2
1.2
Shader Model
6.5
6.4
Benchmark
3DMark Time Spy
1,537
—
3DMark Time Spy Extreme
701
—
▲ Specs Compare
Data sourced from official specifications and benchmark tests.