
GeForce GTX 550 Ti and GeForce 8400 GS - video card comparison
Passmark - benchmark score GeForce GTX 550 Ti vs GeForce 8400 GS
GeForce GTX 550 Ti
1599
GeForce 8400 GS
156
GeForce GTX 550 Ti
GeForce 8400 GS
Architecture
Fermi (2010−2014)
Tesla (2006−2010)
GPU code name
GF116
G86
Market segment
Desktop
Desktop
Release date
March 2011
April 2007
Bus support
16x PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
One 6-pin
None
SLI options
+
+
Core clock speed
900 MHz
459 MHz
CUDA cores
192
-
Floating-point performance
691.2 gflops
29.376 gflops
Manufacturing process technology
40 nm
80 nm
Number of transistors
1,170 million
210 million
Pipelines / CUDA cores
192
16
Power consumption (TDP)
116 Watt
40 Watt
Maximum GPU temperature
100 °C
-
Texture fill rate
28.8 billion/sec
3.6 billion/sec
Memory type
GDDR5
DDR2
Maximum RAM amount
2 GB
256 MB
Memory bus width
192 Bit
64 Bit
Memory clock speed
4.1 GB/s
800 MHz
Memory bandwidth
98.4 GB/s
6.4 GB/s
Standard memory config per GPU
-
256 MB
Display Connectors
Two Dual Link DVI-IMini HDMI
1x DVI, 1x VGA, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.1
1.1
OpenGL
4.2
2.1
Shader Model
5.1
4.0
Vulkan
N/A
N/A