GeForce GT 755M SLI and GeForce GT 630M - video card comparison
GeForce GT 755M SLI
GeForce GT 630M
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
N14P-?
N13P-GL/GL2
Market segment
Laptop
Laptop
Release date
November 2013
December 2011
Bus support
-
PCI Express 2.0
Interface
-
MXM-A (3.0)
Core clock speed
980 MHz
Up to 800 MHz
CUDA cores
-
96
Floating-point performance
-
253.4 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
2x 1300 Million
585 million
Pipelines / CUDA cores
768
96
Power consumption (TDP)
2x ~50 Watt
33 Watt
Texture fill rate
-
Up to 12.8 billion/sec
Memory type
GDDR5
DDR3\GDDR5
Maximum RAM amount
2x 2 GB
1 GB
Memory bus width
2x 128 Bit
Up to 128bit
Memory clock speed
5400 MHz
1800 MHz
Memory bandwidth
-
Up to 32.0 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11
12 (11_0)
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
Optimus
-
+