Radeon HD 5570 and GeForce GTX 660M Mac Edition - video card comparison
Radeon HD 5570
GeForce GTX 660M Mac Edition
Architecture
Terascale 2 (2009−2015)
Kepler (2012−2018)
GPU code name
Redwood
GK107
Market segment
Desktop
Desktop
Release date
February 2010
April 2013
Interface
PCIe 2.0 x16
MXM-B (3.0)
Supplementary power connectors
None
None
Core clock speed
650 MHz
950 MHz
Floating-point performance
520.0 gflops
729.6 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
627 million
1,270 million
Pipelines / CUDA cores
400
384
Power consumption (TDP)
39 Watt
50 Watt
Texture fill rate
13.00
30.40
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
512 MB
Memory bus width
128 Bit
128 Bit
Memory clock speed
667 - 900 MHz
5000 MHz
Memory bandwidth
25.6 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