GeForce GTX 650 and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce GTX 650 vs GeForce GT 620
GeForce GTX 650
1801
GeForce GT 620
388
GeForce GTX 650
GeForce GT 620
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
GK107
GF108
Market segment
Desktop
Desktop
Release date
September 2012
May 2012
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
One 6-pin
None
Core clock speed
1058 MHz
700 MHz
CUDA cores
384
96
Floating-point performance
812.5 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,270 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
64 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
33.9 billion/sec
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
128-bit GDDR5
64 Bit
Memory clock speed
5.0 GB/s
1.8 GB/s
Memory bandwidth
80.0 GB/s
14.4 GB/s
Display Connectors
One Dual Link DVI-I, One Dual Link DVI-D, One Mini HDMI
Dual Link DVI-I, HDMI, VGA
Multi monitor support
4 displays
+
HDMI
+
+
HDCP
+
+
Maximum VGA resolution
2048x1536
2048x1536
Audio input for HDMI
Internal
Internal
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.3
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
+
+
3D Gaming
+
-
3D Vision
+
-