GeForce GTX 1080 Mobile and Radeon R5 M255 - video card comparison
GeForce GTX 1080 Mobile
Radeon R5 M255
Architecture
Pascal (2016−2021)
GCN (2011−2017)
GPU code name
N17E-G3
Topaz Pro / Sun
Market segment
Laptop
Laptop
Release date
August 2016
May 2014
Bus support
PCIe 3.0
PCIe 3.0 x8
Interface
PCIe 3.0 x16
PCIe 3.0 x8
SLI options
+
-
Boost clock speed
1733 MHz
940 MHz
Compute units
-
5
Core clock speed
1607 MHz
940 MHz
CUDA cores
2560
-
Floating-point performance
9,068 gflops
721.9 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
1,550 million
Pipelines / CUDA cores
2560
320
Power consumption (TDP)
150 Watt
-
Maximum GPU temperature
94 °C
-
Texture fill rate
283.4
22.56
Memory type
GDDR5
DDR3
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
64 Bit
Memory clock speed
10 GB/s
1000 MHz
Memory bandwidth
320 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
No outputs
Multi monitor support
+
-
Eyefinity
-
+
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 11
CUDA
+
-
Mantle
-
+
OpenCL
1.2
Not Listed
OpenGL
4.5
4.4
Shader Model
6.4
6.3
Vulkan
1.2.131
-
Ansel
+
-
AppAcceleration
-
+
DualGraphics
-
1
Enduro
-
-
GPU Boost
3.0
-
HD3D
-
+
PowerTune
-
+
Switchable graphics
-
1
TrueAudio
-
-
VR Ready
+
-
ZeroCore
-
+