
GeForce GTS 250 and GeForce 7900 GTO - video card comparison
GeForce GTS 250
GeForce 7900 GTO
Architecture
Tesla (2006−2010)
Curie (2003−2013)
GPU code name
G92B
G71
Market segment
Desktop
Desktop
Release date
March 2009
October 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
6-pin
1x 6-pin
SLI options
+
-
Core clock speed
738 MHz
650 MHz
CUDA cores
128
-
Floating-point performance
387.1 gflops
-
Manufacturing process technology
55 nm
90 nm
Number of transistors
754 million
278 million
Pipelines / CUDA cores
128
-
Power consumption (TDP)
150 Watt
81 Watt
Maximum GPU temperature
105 °C
-
Texture fill rate
47.2 billion/sec
15.60
Memory type
GDDR3
GDDR3
Maximum RAM amount
1 GB
512 MB
Memory bus width
256 Bit
256 Bit
Memory clock speed
1100 MHz
1320 MHz
Memory bandwidth
70.4 GB/s
42.24 GB/s
Display Connectors
Two Dual Link DVI
2x DVI, 1x S-Video
Multi monitor support
+
-
HDMI
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
S/PDIF
-
DirectX
11.1 (10_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
3.0
2.1
Shader Model
4.0
3.0
Vulkan
N/A
N/A