Radeon HD 3450 and GeForce GT 755M Mac Edition - video card comparison
Radeon HD 3450
GeForce GT 755M Mac Edition
Architecture
TeraScale (2005−2013)
Kepler (2012−2018)
GPU code name
RV620
GK107
Market segment
Desktop
Desktop
Release date
December 2007
November 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Core clock speed
600 MHz
1085 MHz
Floating-point performance
48 gflops
833.3 gflops
Manufacturing process technology
55 nm
28 nm
Number of transistors
181 million
1,270 million
Pipelines / CUDA cores
40
384
Power consumption (TDP)
25 Watt
50 Watt
Texture fill rate
2.400
34.72
Memory type
DDR2
GDDR5
Maximum RAM amount
256 MB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1000 MHz
5000 MHz
Memory bandwidth
8 GB/s
80 GB/s
Display Connectors
1x DVI, 1x VGA, 1x S-Video
No outputs
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
3.0
OpenCL
N/A
1.2
OpenGL
3.3
4.6
Shader Model
4.1
5.1
Vulkan
N/A
1.1.126