Radeon RX Vega 11 and GeForce GTX 660M Mac Edition - video card comparison
Radeon RX Vega 11
GeForce GTX 660M Mac Edition
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega Raven Ridge
GK107
Market segment
Desktop
Desktop
Release date
October 2017
April 2013
Interface
IGP
MXM-B (3.0)
Supplementary power connectors
None
None
Boost clock speed
1240 MHz
-
Core clock speed
-
950 MHz
Floating-point performance
1,760 gflops
729.6 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
4,940 million
1,270 million
Pipelines / CUDA cores
704
384
Power consumption (TDP)
65 Watt
50 Watt
Texture fill rate
61.60
30.40
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
5000 MHz
Memory bandwidth
-
80 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126