GeForce GTX 660 Ti and GeForce GTX 550 Ti - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs GeForce GTX 550 Ti
GeForce GTX 660 Ti
4547
GeForce GTX 550 Ti
1599
GeForce GTX 660 Ti
GeForce GTX 550 Ti
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK104
GF116
Market segment
Desktop
Desktop
Release date
August 2012
March 2011
Bus support
PCI Express 3.0
16x PCI-E 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
Two 6-pin
One 6-pin
SLI options
+
+
Boost clock speed
980 MHz
-
Core clock speed
915 MHz
900 MHz
CUDA cores
1344
192
Floating-point performance
2,459.5 gflops
691.2 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
3,540 million
1,170 million
Pipelines / CUDA cores
1344
192
Power consumption (TDP)
150 Watt
116 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
102.5 billion/sec
28.8 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
192-bit GDDR5
192 Bit
Memory clock speed
6.0 GB/s
4.1 GB/s
Memory bandwidth
144.2 GB/s
98.4 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Two Dual Link DVI-IMini HDMI
Multi monitor support
4 displays
+
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
Internal
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.3
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
+
-
3D Gaming
+
-
3D Vision
+
-