GeForce GTX 550 Ti and Radeon HD 5770 Mac Edition - video card comparison
GeForce GTX 550 Ti
Radeon HD 5770 Mac Edition
Architecture
Fermi (2010−2014)
TeraScale 2 (2009−2015)
GPU code name
GF116
Juniper
Market segment
Desktop
Desktop
Release date
March 2011
July 2010
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
1x 6-pin
SLI options
+
-
Core clock speed
900 MHz
850 MHz
CUDA cores
192
-
Floating-point performance
691.2 gflops
1,360.0 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
1,040 million
Pipelines / CUDA cores
192
800
Power consumption (TDP)
116 Watt
108 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
28.8 billion/sec
34.00
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
4.1 GB/s
4780 MHz
Memory bandwidth
98.4 GB/s
76.48 GB/s
Display Connectors
Two Dual Link DVI-IMini HDMI
1x DVI, 1x DisplayPort
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
+
-
OpenCL
1.1
1.2
OpenGL
4.2
4.4
Shader Model
5.1
5.0
Vulkan
N/A
N/A