GeForce GTX 660 and Mobility Radeon HD 4570 - video card comparison
GeForce GTX 660
Mobility Radeon HD 4570
Architecture
Kepler (2012−2018)
Terascale 1 (2008−2010)
GPU code name
GK106
M92-XT
Market segment
Desktop
Laptop
Release date
September 2012
January 2009
Bus support
PCI Express 3.0
-
Interface
PCIe 3.0 x16
MXM-II
Supplementary power connectors
One 6-pin
-
SLI options
+
-
Boost clock speed
1033 MHz
-
Core clock speed
980 MHz
680 MHz
CUDA cores
960
-
Floating-point performance
1,981 gflops
108.8 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
2,540 million
242 million
Pipelines / CUDA cores
960
80
Power consumption (TDP)
140 Watt
-
Texture fill rate
78.4 billion/sec
5.440
Memory type
GDDR5
GDDR3, DDR2, DDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
192-bit GDDR5
64 Bit
Memory clock speed
6.0 GB/s
800 MHz
Memory bandwidth
144.2 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
No outputs
Multi monitor support
4 displays
-
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.2
1.1
OpenGL
4.3
3.3
Shader Model
5.1
4.1
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-