
GeForce GTX 1080 and GeForce GT 635M - video card comparison
Passmark - benchmark score GeForce GTX 1080 vs GeForce GT 635M
GeForce GTX 1080
16002
GeForce GT 635M
578
GeForce GTX 1080
GeForce GT 635M
Architecture
Pascal (2016−2021)
Fermi (2010−2014)
GPU code name
Pascal GP104
N13E-GE2
Market segment
Desktop
Laptop
Release date
May 2016
December 2011
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
-
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
8,873 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)
180 Watt
35 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
277.3
Up to 16.2 billion/sec
Memory type
GDDR5X
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
+
-