GeForce 9800 GX2 and GeForce 8400 GS - video card comparison
Passmark - benchmark score GeForce 9800 GX2 vs GeForce 8400 GS
GeForce 9800 GX2
821
GeForce 8400 GS
156
GeForce 9800 GX2
GeForce 8400 GS
Architecture
Tesla (2006−2010)
Tesla (2006−2010)
GPU code name
G92
G86
Market segment
Desktop
Desktop
Release date
March 2008
April 2007
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
6-pin & 8-pin
None
SLI options
+
+
Core clock speed
600 MHz
459 MHz
CUDA cores
256 (128 per GPU)
-
Floating-point performance
2x 384.0 gflops
29.376 gflops
Manufacturing process technology
65 nm
80 nm
Number of transistors
754 million
210 million
Pipelines / CUDA cores
128
16
Power consumption (TDP)
197 Watt
40 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
76.8 billion/sec
3.6 billion/sec
Memory type
GDDR3
DDR2
Maximum RAM amount
512 MB
256 MB
Memory bus width
512 Bit
64 Bit
Memory clock speed
1000 MHz
800 MHz
Memory bandwidth
128 (64 per GPU)
6.4 GB/s
Standard memory config per GPU
-
256 MB
Display Connectors
HDMIDual Link DVI
1x DVI, 1x VGA, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.1
1.1
OpenGL
2.1
2.1
Shader Model
4.0
4.0
Vulkan
N/A
N/A