GeForce GT 650M Mac Edition and Radeon R7 M270DX - video card comparison
GeForce GT 650M Mac Edition
Radeon R7 M270DX
Architecture
Kepler (2012−2018)
GCN 3.0 (2014−2017)
GPU code name
GK107
Topaz
Market segment
Desktop
Desktop
Release date
July 2012
June 2014
Interface
PCIe 3.0 x16
IGP
Boost clock speed
-
940 MHz
Core clock speed
900 MHz
900 MHz
Floating-point performance
691.2 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,270 million
1,550 million
Pipelines / CUDA cores
384
384
Power consumption (TDP)
45 Watt
-
Texture fill rate
28.80
22.56
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