GeForce 8600 GT and GeForce 8400 GS PCI - video card comparison
GeForce 8600 GT
GeForce 8400 GS PCI
Architecture
Tesla (2006−2010)
Tesla 2.0 (2007−2013)
GPU code name
G84
GT218
Market segment
Desktop
Desktop
Release date
April 2007
April 2007
Interface
PCIe 1.0 x16
PCI
Supplementary power connectors
None
None
SLI options
+
-
Core clock speed
540 MHz
520 MHz
Floating-point performance
76.16 gflops
39.36 gflops
Manufacturing process technology
80 nm
40 nm
Number of transistors
289 million
260 million
Pipelines / CUDA cores
32
16
Power consumption (TDP)
47 Watt
40 Watt
Texture fill rate
8.6 billion/sec
4.160
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
700 MHz
1000 MHz
Memory bandwidth
22.4 GB/s
8 GB/s
Standard memory config per GPU
256 MB
-
Display Connectors
2x DVI, 1x S-Video
1x DVI, 1x HDMI, 1x VGA
HDMI
-
+
DirectX
11.1 (10_0)
11.1 (10_1)
CUDA
1.1
1.2
OpenCL
1.1
1.1
OpenGL
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A