GeForce GT 755M Mac Edition and Radeon HD 4670 - video card comparison
GeForce GT 755M Mac Edition
Radeon HD 4670
Architecture
Kepler (2012−2018)
TeraScale (2005−2013)
GPU code name
GK107
RV730
Market segment
Desktop
Desktop
Release date
November 2013
September 2008
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
1085 MHz
750 MHz
Floating-point performance
833.3 gflops
480.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,270 million
514 million
Pipelines / CUDA cores
384
320
Power consumption (TDP)
50 Watt
59 Watt
Texture fill rate
34.72
24.00
Memory type
GDDR5
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
5000 MHz
2000 MHz
Memory bandwidth
80 GB/s
32 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_0)
10.1 (10_1)
CUDA
3.0
-
OpenCL
1.2
1.1
OpenGL
4.6
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A