GeForce GTX 675M SLI and GeForce GT 635M - video card comparison
GeForce GTX 675M SLI
GeForce GT 635M
Architecture
Fermi (2010−2014)
Fermi (2010−2014)
GPU code name
N12E-GTX2
N13E-GE2
Market segment
Laptop
Laptop
Release date
January 2011
December 2011
Bus support
-
PCI Express 2.0
Interface
-
PCIe 2.0 x16
SLI options
+
-
Boost clock speed
-
753 MHz
Core clock speed
620 MHz
Up to 675 MHz
CUDA cores
-
Up to 144
Floating-point performance
-
253.4 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
-
1,170 million
Pipelines / CUDA cores
768
144
Power consumption (TDP)
2x 100 Watt
35 Watt
Texture fill rate
-
Up to 16.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
-
2 GB
Memory bus width
256 Bit
Up to 192bit
Memory clock speed
3000 MHz
1800 MHz
Memory bandwidth
-
Up to 43.2 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
DirectX
11
12 API
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
-
N/A
3D Blu-Ray
-
+
Optimus
+
+