Radeon X1650 PRO and GeForce GT 640M Mac Edition - video card comparison
Radeon X1650 PRO
GeForce GT 640M Mac Edition
Architecture
Ultra-Threaded SE
Kepler (2012−2018)
GPU code name
RV530
GK107
Market segment
Desktop
Desktop
Release date
February 2007
February 2013
Interface
PCIe 1.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Core clock speed
600 MHz
745 MHz
Floating-point performance
-
572.2 gflops
Manufacturing process technology
90 nm
28 nm
Number of transistors
157 million
1,270 million
Pipelines / CUDA cores
-
384
Power consumption (TDP)
44 Watt
32 Watt
Texture fill rate
2.400
23.84
Memory type
GDDR3
GDDR5
Maximum RAM amount
256 MB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
1400 MBps
5000 MHz
Memory bandwidth
22.4 GB/s
40 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
No outputs
DirectX
9.0c (9_3)
12 (11_0)
CUDA
-
3.0
OpenCL
N/A
1.2
OpenGL
2.1
4.6
Shader Model
3.0
5.1
Vulkan
N/A
1.1.126