GeForce GTX 660 OEM and GeForce GT 740 - video card comparison
GeForce GTX 660 OEM
GeForce GT 740
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK104
GK107
Market segment
Desktop
Desktop
Release date
August 2012
May 2014
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
1x 6-pin
Boost clock speed
888 MHz
-
Core clock speed
823 MHz
993 MHz
Floating-point performance
2,046 gflops
762.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
1,270 million
Pipelines / CUDA cores
1152
384
Power consumption (TDP)
130 Watt
64 Watt
Texture fill rate
85.25
31.78
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
5600 MHz
5012 MHz
Memory bandwidth
179.2 GB/s
80.19 GB/s
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
2x DVI, 1x mini-HDMI
HDMI
+
+
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
3.0
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126