GeForce GT 650M Mac Edition and Radeon X1650 PRO - video card comparison
GeForce GT 650M Mac Edition
Radeon X1650 PRO
Architecture
Kepler (2012−2018)
Ultra-Threaded SE
GPU code name
GK107
RV530
Market segment
Desktop
Desktop
Release date
July 2012
February 2007
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
None
Core clock speed
900 MHz
600 MHz
Floating-point performance
691.2 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,270 million
157 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
45 Watt
44 Watt
Texture fill rate
28.80
2.400
Memory type
GDDR5
GDDR3
Maximum RAM amount
512 MB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5016 MHz
1400 MBps
Memory bandwidth
80.26 GB/s
22.4 GB/s
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
9.0c (9_3)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A