Radeon RX Vega 6 (Ryzen 4000/5000) and GeForce GTX 660M Mac Edition - video card comparison
Radeon RX Vega 6 (Ryzen 4000/5000)
GeForce GTX 660M Mac Edition
Architecture
Vega (2017−2021)
Kepler (2012−2018)
GPU code name
Vega Renoir
GK107
Market segment
Laptop
Desktop
Release date
January 2020
April 2013
Interface
-
MXM-B (3.0)
Supplementary power connectors
-
None
Boost clock speed
1500 MHz
-
Core clock speed
400 MHz
950 MHz
Floating-point performance
-
729.6 gflops
Manufacturing process technology
7 nm
28 nm
Number of transistors
-
1,270 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
15 Watt
50 Watt
Texture fill rate
-
30.40
Memory type
-
GDDR5
Maximum RAM amount
-
512 MB
Memory bus width
-
128 Bit
Memory clock speed
-
5000 MHz
Memory bandwidth
-
80 GB/s
Shared memory
+
-
Display Connectors
-
No outputs
DirectX
12_1
12 (11_0)
CUDA
-
3.0
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.1.126