Radeon HD 3870 X2 and GeForce GTX 550 Ti - video card comparison
Passmark - benchmark score Radeon HD 3870 X2 vs GeForce GTX 550 Ti
Radeon HD 3870 X2
729
GeForce GTX 550 Ti
1599
Radeon HD 3870 X2
GeForce GTX 550 Ti
Architecture
TeraScale (2005−2013)
Fermi (2010−2014)
GPU code name
R680
GF116
Market segment
Desktop
Desktop
Release date
January 2008
March 2011
Bus support
-
16x PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin + 1x 8-pin
One 6-pin
SLI options
-
+
Core clock speed
825 MHz
900 MHz
CUDA cores
-
192
Floating-point performance
2x 528.0 gflops
691.2 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
666 million
1,170 million
Pipelines / CUDA cores
320
192
Power consumption (TDP)
165 Watt
116 Watt
Maximum GPU temperature
-
100 °C
Texture fill rate
13.20
28.8 billion/sec
Memory type
GDDR3
GDDR5
Maximum RAM amount
512 MB
2 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
1802 MHz
4.1 GB/s
Memory bandwidth
57.66 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
N/A
1.1
OpenGL
3.3
4.2
Shader Model
4.1
5.1
Vulkan
N/A
N/A