
GeForce GTX 1080 Mobile and GeForce GT 635M - video card comparison
GeForce GTX 1080 Mobile
GeForce GT 635M
Architecture
Pascal (2016−2021)
Fermi (2010−2014)
GPU code name
N17E-G3
N13E-GE2
Market segment
Laptop
Laptop
Release date
August 2016
December 2011
Bus support
PCIe 3.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
SLI options
+
-
Boost clock speed
1733 MHz
753 MHz
Core clock speed
1607 MHz
Up to 675 MHz
CUDA cores
2560
Up to 144
Floating-point performance
9,068 gflops
253.4 gflops
Manufacturing process technology
16 nm
40 nm
Number of transistors
7,200 million
1,170 million
Pipelines / CUDA cores
2560
144
Power consumption (TDP)
150 Watt
35 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
283.4
Up to 16.2 billion/sec
Memory type
GDDR5
DDR3
Maximum RAM amount
8 GB
2 GB
Memory bus width
256 Bit
Up to 192bit
Memory clock speed
10 GB/s
1800 MHz
Memory bandwidth
320 GB/s
Up to 43.2 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
HDMI
-
+
HDCP
-
+
Maximum VGA resolution
-
Up to 2048x1536
G-SYNC support
+
-
DirectX
12 (12_1)
12 API
CUDA
+
+
OpenCL
1.2
1.1
OpenGL
4.5
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
N/A
3D Blu-Ray
-
+
Ansel
+
-
GPU Boost
3.0
-
Optimus
-
+
VR Ready
+
-