GeForce GTS 250 and GeForce 8400 GS PCI - video card comparison
GeForce GTS 250
GeForce 8400 GS PCI
Architecture
Tesla (2006−2010)
Tesla 2.0 (2007−2013)
GPU code name
G92B
GT218
Market segment
Desktop
Desktop
Release date
March 2009
April 2007
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
6-pin
None
SLI options
+
-
Core clock speed
738 MHz
520 MHz
CUDA cores
128
-
Floating-point performance
387.1 gflops
39.36 gflops
Manufacturing process technology
55 nm
40 nm
Number of transistors
754 million
260 million
Pipelines / CUDA cores
128
16
Power consumption (TDP)
150 Watt
40 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
47.2 billion/sec
4.160
Memory type
GDDR3
DDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1100 MHz
1000 MHz
Memory bandwidth
70.4 GB/s
8 GB/s
Display Connectors
Two Dual Link DVI
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
+
-
HDMI
+
+
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
11.1 (10_1)
CUDA
+
1.2
OpenCL
1.1
1.1
OpenGL
3.0
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A