GeForce GTX 1080 SLI Mobile and GeForce GTX 850M - video card comparison
GeForce GTX 1080 SLI Mobile
GeForce GTX 850M
Architecture
Pascal (2016−2021)
Maxwell (2014−2018)
GPU code name
Pascal GP104 SLI
N15P-GT
Market segment
Laptop
Laptop
Release date
August 2016
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
-
PCIe 3.0 x16
SLI options
+
+
Boost clock speed
1733 MHz
-
Core clock speed
1556 MHz
Up to 936 MHz
CUDA cores
-
640
Floating-point performance
-
1,155 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
14400 Million
1,870 million
Pipelines / CUDA cores
5120
640
Power consumption (TDP)
-
45 Watt
Texture fill rate
-
36.08
Memory type
GDDR5
DDR3, GDDR5
Maximum RAM amount
2x 8 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
10000 MHz
Up to 2500 MHz
Memory bandwidth
-
80.0 GB/s
Shared memory
-
-
Standard memory configuration
-
DDR3 or GDDR5
Display Connectors
-
No outputs
eDP 1.2 signal support
-
Up to 3840x2160
LVDS signal support
-
Up to 1920x1200
VGA аnalog display support
-
Up to 2048x1536
DisplayPort Multimode (DP++) support
-
Up to 3840x2160
HDCP content protection
-
+
HDMI
-
+
7.1 channel HD audio on HDMI
-
+
G-SYNC support
+
-
DirectX
12_1
12 (11_0)
CUDA
+
+
OpenCL
-
1.1
OpenGL
-
4.5
Shader Model
-
5.1
Vulkan
+
1.1.126
Ansel
-
+
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+
TrueHD and DTS-HD audio bitstreaming
-
+
VR Ready
+
-