Radeon RX 580 Mobile and GeForce GTX 870M - video card comparison
Radeon RX 580 Mobile
GeForce GTX 870M
Architecture
Polaris (2016−2019)
Kepler (2012−2018)
GPU code name
Polaris
N15P-GT
Market segment
Laptop
Laptop
Release date
April 2017
March 2014
Bus support
-
PCI Express 2.0, PCI Express 3.0
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
-
None
SLI options
-
+
Boost clock speed
1077 MHz
967 MHz
Core clock speed
1000 MHz
941 MHz
CUDA cores
-
1344
Floating-point performance
4,963 gflops
2,599 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
3,540 million
Pipelines / CUDA cores
2304
1344
Power consumption (TDP)
100 Watt
100 Watt
Texture fill rate
155.1
108.3
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
6 GB
Memory bus width
256 Bit
192 Bit
Memory clock speed
8000 MHz
Up to 2500 MHz
Memory bandwidth
256.0 GB/s
120.0 GB/s
Shared memory
-
-
Standard memory configuration
-
GDDR5
Display Connectors
No outputs
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
-
+
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.1
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
H.264, VC1, MPEG2 1080p video decoder
-
+
Optimus
-
+
TrueHD and DTS-HD audio bitstreaming
-
+