GeForce 7900 GTX and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce 7900 GTX vs GeForce GT 620
GeForce 7900 GTX
399
GeForce GT 620
388
GeForce 7900 GTX
GeForce GT 620
Architecture
Curie (2003−2013)
Fermi (2010−2014)
GPU code name
G71
GF108
Market segment
Desktop
Desktop
Release date
March 2006
May 2012
Bus support
-
PCI Express 2.0
Interface
PCIe 1.0 x16
PCIe 2.0 x16
Supplementary power connectors
1x 6-pin
None
Core clock speed
650 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
-
268.8 gflops
Manufacturing process technology
90 nm
40 nm
Number of transistors
278 million
585 million
Pipelines / CUDA cores
-
96
Power consumption (TDP)
84 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
15.60
11.2 billion/sec
Memory type
GDDR3
DDR3
Maximum RAM amount
512 MB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
1600 MHz
1.8 GB/s
Memory bandwidth
51.2 GB/s
14.4 GB/s
Display Connectors
2x DVI, 1x S-Video
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
9.0c (9_3)
12 (11_0)
CUDA
-
+
OpenCL
N/A
1.1
OpenGL
2.1
4.2
Shader Model
3.0
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+