GeForce 7900 GTO and GeForce 9400 GT - video card comparison
GeForce 7900 GTO
GeForce 9400 GT
Architecture
Curie (2003−2013)
Tesla (2006−2010)
GPU code name
G71
G96C
Market segment
Desktop
Desktop
Release date
October 2006
August 2008
Bus support
-
PCI-E 2.0
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
SLI options
-
+
Core clock speed
650 MHz
550 MHz
CUDA cores
-
16
Floating-point performance
-
29.376 gflops
Manufacturing process technology
90 nm
55 nm
Number of transistors
278 million
314 million
Pipelines / CUDA cores
-
16
Power consumption (TDP)
81 Watt
50 Watt
Maximum GPU temperature
-
105 °C
Texture fill rate
15.60
4.4 billion/sec
Memory type
GDDR3
DDR2
Maximum RAM amount
512 MB
512 MB
Memory bus width
256 Bit
128 Bit
Memory clock speed
1320 MHz
400 MHz
Memory bandwidth
42.24 GB/s
12.8 GB/s
Display Connectors
2x DVI, 1x S-Video
Dual Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
S/PDIF
DirectX
9.0c (9_3)
11.1 (10_0)
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
2.1
2.1
Shader Model
3.0
4.0
Vulkan
N/A
N/A