GeForce 8800 GT and GeForce 8400 GS PCI - video card comparison
GeForce 8800 GT
GeForce 8400 GS PCI
Architecture
Tesla (2006−2010)
Tesla 2.0 (2007−2013)
GPU code name
G92
GT218
Market segment
Desktop
Desktop
Release date
October 2007
April 2007
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCI
Supplementary power connectors
6-pin & 8-pin
None
SLI options
2-way
-
Core clock speed
600 MHz
520 MHz
CUDA cores
112
-
Floating-point performance
336.0 gflops
39.36 gflops
Manufacturing process technology
65 nm
40 nm
Number of transistors
754 million
260 million
Pipelines / CUDA cores
112
16
Power consumption (TDP)
105 Watt
40 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
33.6 billion/sec
4.160
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
64 Bit
Memory clock speed
900 MHz
1000 MHz
Memory bandwidth
57.6 GB/s
8 GB/s
Display Connectors
Dual Link DVIHDTV
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
2.1
3.3
Shader Model
4.0
4.1
Vulkan
N/A
N/A
High Dynamic-Range Lighting (HDRR)
128bit
-