Radeon RX 580 Mobile and Radeon RX 580X - video card comparison
Radeon RX 580 Mobile
Radeon RX 580X
Architecture
Polaris (2016−2019)
GCN 4.0 (2016−2020)
GPU code name
Polaris
Polaris 20
Market segment
Laptop
Desktop
Release date
April 2017
April 2018
Interface
MXM-B (3.0)
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
1077 MHz
1340 MHz
Core clock speed
1000 MHz
1257 MHz
Floating-point performance
4,963 gflops
6,175 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
5,700 million
Pipelines / CUDA cores
2304
2304
Power consumption (TDP)
100 Watt
185 Watt
Texture fill rate
155.1
193.0
Memory type
GDDR5
GDDR5
Maximum RAM amount
8 GB
8 GB
Memory bus width
256 Bit
256 Bit
Memory clock speed
8000 MHz
8000 MHz
Memory bandwidth
256.0 GB/s
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.4
Vulkan
1.2.131
1.2.131