GeForce GT 755M Mac Edition and Radeon HD 2400 - video card comparison
GeForce GT 755M Mac Edition
Radeon HD 2400
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
RV610
Market segment
Desktop
Desktop
Release date
November 2013
February 2008
Interface
PCIe 3.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
None
Core clock speed
1085 MHz
398 MHz
Floating-point performance
833.3 gflops
31.84 gflops
Manufacturing process technology
28 nm
65 nm
Number of transistors
1,270 million
180 million
Pipelines / CUDA cores
384
40
Power consumption (TDP)
50 Watt
20 Watt
Texture fill rate
34.72
1.592
Memory type
GDDR5
DDR2
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
5000 MHz
990 MHz
Memory bandwidth
80 GB/s
7.92 GB/s
Display Connectors
No outputs
1x DVI, 1x S-Video
DirectX
12 (11_0)
10.0 (10_0)
CUDA
3.0
-
OpenCL
1.2
N/A
OpenGL
4.6
3.3
Shader Model
5.1
4.0
Vulkan
1.1.126
N/A