GeForce GTX 550 Ti and Radeon HD 4580 - video card comparison
GeForce GTX 550 Ti
Radeon HD 4580
Architecture
Fermi (2010−2014)
TeraScale (2005−2013)
GPU code name
GF116
RV635
Market segment
Desktop
Desktop
Release date
March 2011
November 2011
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
None
SLI options
+
-
Core clock speed
900 MHz
796 MHz
CUDA cores
192
-
Floating-point performance
691.2 gflops
191.04 gflops
Manufacturing process technology
40 nm
55 nm
Number of transistors
1,170 million
378 million
Pipelines / CUDA cores
192
120
Power consumption (TDP)
116 Watt
65 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
28.8 billion/sec
6.368
Memory type
GDDR5
GDDR3
Maximum RAM amount
2 GB
512 MB
Memory bus width
192 Bit
128 Bit
Memory clock speed
4.1 GB/s
1386 MHz
Memory bandwidth
98.4 GB/s
22.18 GB/s
Display Connectors
Two Dual Link DVI-IMini HDMI
2x DVI, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
10.1 (10_1)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.2
3.3
Shader Model
5.1
4.1
Vulkan
N/A
N/A