GeForce GT 820M and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce GT 820M vs GeForce GT 620
GeForce GT 820M
584
GeForce GT 620
388
GeForce GT 820M
GeForce GT 620
Architecture
Fermi 2.0 (2010−2014)
Fermi (2010−2014)
GPU code name
GF117
GF108
Market segment
Desktop
Desktop
Release date
November 2013
May 2012
Bus support
-
PCI Express 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
775 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
297.6 gflops
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
585 million
Pipelines / CUDA cores
96
96
Power consumption (TDP)
15 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
12.40
11.2 billion/sec
Memory type
DDR3
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
1.8 GB/s
Memory bandwidth
14.4 GB/s
14.4 GB/s
Display Connectors
No outputs
Dual Link DVI-I, HDMI, VGA
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
4.6
4.2
Shader Model
5.1
5.1
Vulkan
N/A
N/A
3D Blu-Ray
-
+