GeForce GTX 1080 and GeForce GT 620 - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs GeForce GT 620
GeForce GTX 1080
16002
GeForce GT 620
388
GeForce GTX 1080
GeForce GT 620
Architecture
Pascal (2016−2021)
Fermi (2010−2014)
GPU code name
Pascal GP104
GF108
Market segment
Desktop
Desktop
Release date
May 2016
May 2012
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
Recommended system power (PSU)
500 Watt
-
Supplementary power connectors
8-pin
None
SLI options
+
-
Boost clock speed
1733 MHz
-
Core clock speed
1607 MHz
700 MHz
CUDA cores
2560
96
Floating-point performance
8,873 gflops
268.8 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
7,200 million
585 million
Pipelines / CUDA cores
2560
96
Power consumption (TDP)
180 Watt
49 Watt
Maximum GPU temperature
94 °C
98 °C
Texture fill rate
277.3
11.2 billion/sec
Memory type
GDDR5X
DDR3
Maximum RAM amount
8 GB
1 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
10 GB/s
1.8 GB/s
Memory bandwidth
320 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
Dual Link DVI-I, HDMI, VGA
Multi monitor support
+
+
HDMI
+
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
G-SYNC support
+
-
Audio input for HDMI
-
Internal
DirectX
12 (12_1)
12 (11_0)
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.2
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A
3D Blu-Ray
-
+
Ansel
+
-
GPU Boost
3.0
-
VR Ready
+
-