GeForce GT 650M Mac Edition and Radeon R2 Graphics - video card comparison
GeForce GT 650M Mac Edition
Radeon R2 Graphics
Architecture
Kepler (2012−2018)
GCN 2.0 (2013−2017)
GPU code name
GK107
Beema
Market segment
Desktop
Desktop
Release date
July 2012
February 2015
Interface
PCIe 3.0 x16
IGP
Core clock speed
900 MHz
351 MHz
Floating-point performance
691.2 gflops
179.2 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
930 million
Pipelines / CUDA cores
384
128
Power consumption (TDP)
45 Watt
15 Watt
Texture fill rate
28.80
2.808
Memory type
GDDR5
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
128 Bit
System Shared
Memory clock speed
5016 MHz
System Shared
Memory bandwidth
80.26 GB/s
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (12_0)
CUDA
3.0
-
OpenCL
1.2
2.0
OpenGL
4.6
4.6
Shader Model
5.1
6.3
Vulkan
1.1.126
1.2.131