Radeon RX 580 Mobile and Radeon R7 260X - video card comparison
Radeon RX 580 Mobile
Radeon R7 260X
Architecture
Polaris (2016−2019)
GCN 2.0 (2013−2017)
GPU code name
Polaris
Bonaire
Market segment
Laptop
Desktop
Release date
April 2017
October 2013
Bus support
-
PCIe 3.0
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
1 x 6-pin
Boost clock speed
1077 MHz
1000 MHz
Core clock speed
1000 MHz
-
Floating-point performance
4,963 gflops
1,971 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
2,080 million
Pipelines / CUDA cores
2304
896
Power consumption (TDP)
100 Watt
115 Watt
Texture fill rate
155.1
61.60
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
8000 MHz
-
Memory bandwidth
256.0 GB/s
104 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
Eyefinity
-
1
HDMI
-
+
DisplayPort support
-
-
DirectX
12 (12_0)
DirectX® 12
Mantle
-
-
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.3
Vulkan
1.2.131
-
AppAcceleration
-
-
DDMA audio
-
+
Enduro
-
-
FreeSync
-
1
HD3D
-
-
PowerTune
-
-
TrueAudio
-
-
ZeroCore
-
-