Radeon HD 5670 and GeForce GT 755M Mac Edition - video card comparison
Radeon HD 5670
GeForce GT 755M Mac Edition
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Redwood
GK107
Market segment
Desktop
Desktop
Release date
January 2010
November 2013
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
None
-
Core clock speed
775 MHz
1085 MHz
Floating-point performance
620.0 gflops
833.3 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
627 million
1,270 million
Pipelines / CUDA cores
400
384
Power consumption (TDP)
64 Watt
50 Watt
Texture fill rate
15.50
34.72
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
1000 MHz
5000 MHz
Memory bandwidth
64 GB/s
80 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
No outputs
HDMI
+
-
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126