GeForce GTX 880M SLI and GeForce GT 620 - video card comparison
GeForce GTX 880M SLI
GeForce GT 620
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
N15E-GX-A2
GF108
Market segment
Laptop
Desktop
Release date
March 2014
May 2012
Bus support
-
PCI Express 2.0
Interface
-
PCIe 2.0 x16
Supplementary power connectors
-
None
SLI options
+
-
Core clock speed
954 MHz
700 MHz
CUDA cores
-
96
Floating-point performance
-
268.8 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
2x 3540 Million
585 million
Pipelines / CUDA cores
3072
96
Power consumption (TDP)
206 Watt
49 Watt
Maximum GPU temperature
-
98 °C
Texture fill rate
-
11.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
2x 8 GB
1 GB
Memory bus width
2x 256 Bit
64 Bit
Memory clock speed
5000 MHz
1.8 GB/s
Memory bandwidth
-
14.4 GB/s
Shared memory
-
-
Display Connectors
-
Dual Link DVI-I, HDMI, VGA
Multi monitor support
-
+
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
2048x1536
Audio input for HDMI
-
Internal
DirectX
12 (FL 11_0)
12 (11_0)
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.2
Shader Model
-
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
Optimus
+
-