Radeon HD 4870 and GeForce GTX 550 Ti - video card comparison
Passmark - benchmark score Radeon HD 4870 vs GeForce GTX 550 Ti
Radeon HD 4870
1411
GeForce GTX 550 Ti
1599
Radeon HD 4870
GeForce GTX 550 Ti
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
RV770
GF116
Market segment
Desktop
Desktop
Release date
June 2008
March 2011
Bus support
-
16x PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
2x 6-pin
One 6-pin
SLI options
-
+
Core clock speed
750 MHz
900 MHz
CUDA cores
-
192
Floating-point performance
1,200.0 gflops
691.2 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
956 million
1,170 million
Pipelines / CUDA cores
800
192
Power consumption (TDP)
150 Watt
116 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
30.00
28.8 billion/sec
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
3600 MHz
4.1 GB/s
Memory bandwidth
115.2 GB/s
98.4 GB/s
Display Connectors
2x DVI, 1x S-Video
Two Dual Link DVI-IMini HDMI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
10.1 (10_1)
12 (11_0)
CUDA
-
+
OpenCL
1.1
1.1
OpenGL
3.3
4.2
Shader Model
4.1
5.1
Vulkan
N/A
N/A