GeForce GTX 750 and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce GTX 750 vs GeForce GT 620
GeForce GTX 750
3450
GeForce GT 620
388
GeForce GTX 750
GeForce GT 620
Architecture
Maxwell (2014−2018)
Fermi (2010−2014)
GPU code name
GM107
GF108
Market segment
Desktop
Desktop
Release date
February 2014
May 2012
Bus support
PCI Express 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
None
Boost clock speed
1085 MHz
-
Core clock speed
1020 MHz
700 MHz
CUDA cores
512
96
Floating-point performance
1,111 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1,870 million
585 million
Pipelines / CUDA cores
512
96
Power consumption (TDP)
55 Watt
49 Watt
Maximum GPU temperature
95 °C
98 °C
Texture fill rate
34.72
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
5.0 GB/s
1.8 GB/s
Memory bandwidth
80 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
3 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
4.4
4.2
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
3D Blu-Ray
-
+
3D Gaming
+
-
3D Vision
+
-
3D Vision Live
+
-
Blu Ray 3D
+
-