GeForce GTX 660 OEM and GeForce GTX 660 Ti - video card comparison
GeForce GTX 660 OEM
GeForce GTX 660 Ti
Architecture
Kepler (2012−2018)
Kepler (2012−2018)
GPU code name
GK104
GK104
Market segment
Desktop
Desktop
Release date
August 2012
August 2012
Bus support
-
PCI Express 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
1x 6-pin
Two 6-pin
SLI options
-
+
Boost clock speed
888 MHz
980 MHz
Core clock speed
823 MHz
915 MHz
CUDA cores
-
1344
Floating-point performance
2,046 gflops
2,459.5 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
3,540 million
Pipelines / CUDA cores
1152
1344
Power consumption (TDP)
130 Watt
150 Watt
Texture fill rate
85.25
102.5 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
256 Bit
192-bit GDDR5
Memory clock speed
5600 MHz
6.0 GB/s
Memory bandwidth
179.2 GB/s
144.2 GB/s
Shared memory
-
-
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Multi monitor support
-
4 displays
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
3.0
+
OpenCL
1.2
1.2
OpenGL
4.6
4.3
Shader Model
5.1
5.1
Vulkan
1.1.126
1.1.126
3D Blu-Ray
-
+
3D Gaming
-
+
3D Vision
-
+