GeForce 8400 GS PCI and Radeon X1550 - video card comparison
GeForce 8400 GS PCI
Radeon X1550
Architecture
Tesla 2.0 (2007−2013)
Ultra-Threaded SE
GPU code name
GT218
RV516
Market segment
Desktop
Desktop
Release date
April 2007
2007
Interface
PCI
PCIe 1.0 x16
Supplementary power connectors
None
None
Core clock speed
520 MHz
550 MHz
Floating-point performance
39.36 gflops
-
Manufacturing process technology
40 nm
90 nm
Number of transistors
260 million
105 million
Pipelines / CUDA cores
16
-
Power consumption (TDP)
40 Watt
27 Watt
Texture fill rate
4.160
2.200
Memory type
DDR3
DDR2
Maximum RAM amount
512 MB
256 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1000 MHz
800 MBps
Memory bandwidth
8 GB/s
12.8 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x VGA, 1x S-Video
HDMI
+
-
DirectX
11.1 (10_1)
9.0c (9_3)
CUDA
1.2
-
OpenCL
1.1
N/A
OpenGL
3.3
2.1
Shader Model
4.1
3.0
Vulkan
N/A
N/A