GeForce GTX 660 Ti and GeForce GTS 450 - video card comparison
Passmark - benchmark score GeForce GTX 660 Ti vs GeForce GTS 450
GeForce GTX 660 Ti
4547
GeForce GTS 450
1359
GeForce GTX 660 Ti
GeForce GTS 450
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK104
GF106
Market segment
Desktop
Desktop
Release date
August 2012
September 2010
Bus support
PCI Express 3.0
PCI-E 2.0 x 16
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
Two 6-pin
6-pin
SLI options
+
+
Boost clock speed
980 MHz
-
Core clock speed
915 MHz
783 MHz
CUDA cores
1344
192
Floating-point performance
2,459.5 gflops
601.3 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
106 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
102.5 billion/sec
25.1 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
192-bit GDDR5
128 Bit
Memory clock speed
6.0 GB/s
1804 (3608 data rate) MHz
Memory bandwidth
144.2 GB/s
57.7 GB/s
Shared memory
-
-
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One HDMI, One DisplayPort
Mini HDMITwo Dual Link DVI
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
+
-