GeForce GTX 550 Ti and GeForce GTS 450 Rev. 3 - video card comparison
GeForce GTX 550 Ti
GeForce GTS 450 Rev. 3
Architecture
Fermi (2010−2014)
Fermi 2.0 (2010−2014)
GPU code name
GF116
GF116
Market segment
Desktop
Desktop
Release date
March 2011
July 2012
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
-
SLI options
+
-
Core clock speed
900 MHz
783 MHz
CUDA cores
192
-
Floating-point performance
691.2 gflops
451.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
1,170 million
Pipelines / CUDA cores
192
144
Power consumption (TDP)
116 Watt
106 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
28.8 billion/sec
18.79
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
4.1 GB/s
1400 MHz
Memory bandwidth
98.4 GB/s
22.4 GB/s
Display Connectors
Two Dual Link DVI-IMini HDMI
2x DVI, 1x mini-HDMI
Multi monitor support
+
-
HDMI
+
+
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.1
1.1
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
N/A
N/A