GeForce GT 755M Mac Edition and Radeon X1650 GTO - video card comparison
GeForce GT 755M Mac Edition
Radeon X1650 GTO
Architecture
Kepler (2012−2018)
R500 (2005−2007)
GPU code name
GK107
RV530
Market segment
Desktop
Desktop
Release date
November 2013
December 2007
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
None
Core clock speed
1085 MHz
587 MHz
Floating-point performance
833.3 gflops
-
Manufacturing process technology
28 nm
90 nm
Number of transistors
1,270 million
157 million
Pipelines / CUDA cores
384
-
Power consumption (TDP)
50 Watt
-
Texture fill rate
34.72
2.348
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5000 MHz
784 MHz
Memory bandwidth
80 GB/s
12.54 GB/s
Display Connectors
No outputs
1x HDMI, 1x VGA
HDMI
-
+
DirectX
12 (11_0)
9.0c (9_3)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
2.0
Shader Model
5.1
3.0
Vulkan
1.1.126
N/A