GeForce 8400 GS PCI and GeForce GT 320 OEM - video card comparison
GeForce 8400 GS PCI
GeForce GT 320 OEM
Architecture
Tesla 2.0 (2007−2013)
Tesla 2.0 (2007−2013)
GPU code name
GT218
GT215
Market segment
Desktop
Desktop
Release date
April 2007
February 2010
Interface
PCI
PCIe 2.0 x16
Supplementary power connectors
None
None
Core clock speed
520 MHz
540 MHz
Floating-point performance
39.36 gflops
187.49 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
260 million
727 million
Pipelines / CUDA cores
16
72
Power consumption (TDP)
40 Watt
43 Watt
Texture fill rate
4.160
12.96
Memory type
DDR3
GDDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1000 MHz
1580 MHz
Memory bandwidth
8 GB/s
25.28 GB/s
Display Connectors
1x DVI, 1x HDMI, 1x VGA
1x DVI, 1x HDMI, 1x VGA
HDMI
+
+
DirectX
11.1 (10_1)
11.1 (10_1)
CUDA
1.2
1.2
OpenCL
1.1
1.1
OpenGL
3.3
3.3
Shader Model
4.1
4.1
Vulkan
N/A
N/A