GeForce GTX 550 Ti and Radeon HD 8770 OEM - video card comparison
GeForce GTX 550 Ti
Radeon HD 8770 OEM
Architecture
Fermi (2010−2014)
GCN 2.0 (2013−2017)
GPU code name
GF116
Bonaire
Market segment
Desktop
Desktop
Release date
March 2011
September 2013
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 3.0 x16
Supplementary power connectors
One 6-pin
1x 6-pin
SLI options
+
-
Core clock speed
900 MHz
1050 MHz
CUDA cores
192
-
Floating-point performance
691.2 gflops
1,882 gflops
Manufacturing process technology
40 nm
28 nm
Number of transistors
1,170 million
2,080 million
Pipelines / CUDA cores
192
896
Power consumption (TDP)
116 Watt
85 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
28.8 billion/sec
58.80
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
6000 MHz
Memory bandwidth
98.4 GB/s
96 GB/s
Display Connectors
Two Dual Link DVI-IMini HDMI
1x DVI, 1x HDMI, 2x mini-DisplayPort
Multi monitor support
+
-
HDMI
+
+
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (12_0)
CUDA
+
-
OpenCL
1.1
2.0
OpenGL
4.2
4.6
Shader Model
5.1
6.3
Vulkan
N/A
1.2.131