GeForce GT 620 and GeForce GTX 555 OEM - video card comparison
GeForce GT 620
GeForce GTX 555 OEM
Architecture
Fermi (2010−2014)
Fermi 2.0 (2010−2014)
GPU code name
GF108
GF114
Market segment
Desktop
Desktop
Release date
May 2012
May 2011
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
None
2x 6-pin
Core clock speed
700 MHz
736 MHz
CUDA cores
96
-
Floating-point performance
268.8 gflops
847.9 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
585 million
1,950 million
Pipelines / CUDA cores
96
288
Power consumption (TDP)
49 Watt
150 Watt
Maximum GPU temperature
98 °C
-
Texture fill rate
11.2 billion/sec
35.33
Memory type
DDR3
GDDR5
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
1.8 GB/s
3828 MHz
Memory bandwidth
14.4 GB/s
91.87 GB/s
Display Connectors
Dual Link DVI-I, HDMI, VGA
2x DVI, 1x mini-HDMI
Multi monitor support
+
-
HDMI
+
+
HDCP
+
-
Maximum VGA resolution
2048x1536
-
Audio input for HDMI
Internal
-
DirectX
12 (11_0)
12 (11_0)
CUDA
+
2.1
OpenCL
1.1
1.1
OpenGL
4.2
4.6
Shader Model
5.1
5.1
Vulkan
N/A
N/A
3D Blu-Ray
+
-