GeForce GTX 1080 Mobile and Radeon R9 390 - video card comparison
GeForce GTX 1080 Mobile
Radeon R9 390
Architecture
Pascal (2016−2021)
GCN 2.0 (2013−2017)
GPU code name
N17E-G3
Grenada
Market segment
Laptop
Desktop
Release date
August 2016
June 2015
Bus support
PCIe 3.0
PCIe 3.0
Interface
PCIe 3.0 x16
PCIe 3.0 x16
Supplementary power connectors
-
1 x 6-pin, 1 x 8-pin
SLI options
+
-
Bridgeless CrossFire
-
1
Boost clock speed
1733 MHz
1000 MHz
Core clock speed
1607 MHz
-
CUDA cores
2560
-
Floating-point performance
9,068 gflops
5,120 gflops
Manufacturing process technology
16 nm
28 nm
Number of transistors
7,200 million
6,200 million
Pipelines / CUDA cores
2560
2560
Power consumption (TDP)
150 Watt
275 Watt
Maximum GPU temperature
94 °C
-
Texture fill rate
283.4
160.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
0 MB
Memory bus width
256 Bit
512 Bit
Memory clock speed
10 GB/s
1000 MHz
Memory bandwidth
320 GB/s
384 GB/s
High bandwidth memory (HBM)
-
-
Shared memory
-
-
Display Connectors
DP 1.42, HDMI 2.0b, DL-DVI
2x DVI, 1x HDMI, 1x DisplayPort
Multi monitor support
+
-
Eyefinity
-
1
Number of Eyefinity displays
-
6
HDMI
-
+
DisplayPort support
-
+
G-SYNC support
+
-
DirectX
12 (12_1)
DirectX® 12
CUDA
+
-
Mantle
-
+
OpenCL
1.2
2.0
OpenGL
4.5
4.6
Shader Model
6.4
6.3
Vulkan
1.2.131
+
Ansel
+
-
AppAcceleration
-
-
CrossFire
-
1
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
GPU Boost
3.0
-
HD3D
-
-
PowerTune
-
+
TrueAudio
-
+
VCE
-
+
VR Ready
+
-
ZeroCore
-
-