GeForce GTX 260 and GeForce GTX 660 Rev. 2 - video card comparison
GeForce GTX 260
GeForce GTX 660 Rev. 2
Architecture
Tesla 2.0 (2007−2013)
Kepler (2012−2018)
GPU code name
GT200
GK104
Market segment
Desktop
Desktop
Release date
June 2008
September 2014
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
2x 6-pin
1x 6-pin
SLI options
+
-
Boost clock speed
-
1032 MHz
Core clock speed
576 MHz
980 MHz
CUDA cores
192
-
Floating-point performance
476.9 gflops
1,981 gflops
Manufacturing process technology
65 nm
28 nm
Number of transistors
1,400 million
3,540 million
Pipelines / CUDA cores
192
960
Power consumption (TDP)
182 Watt
140 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
36.9 billion/sec
82.56
Memory type
GDDR3
GDDR5
Maximum RAM amount
896 MB
2 GB
Memory bus width
448 Bit
192 Bit
Memory clock speed
999 MHz
6008 MHz
Memory bandwidth
111.9 GB/s
144.2 GB/s
Display Connectors
Dual Link DVIHDTV
2x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
+
-
HDMI
+
+
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
12 (11_0)
CUDA
+
3.0
OpenCL
1.1
1.2
OpenGL
2.1
4.6
Shader Model
4.0
5.1
Vulkan
N/A
1.1.126