Radeon RX 580 Mobile and GeForce 945M - video card comparison
Radeon RX 580 Mobile
GeForce 945M
Architecture
Polaris (2016−2019)
Maxwell (2014−2018)
GPU code name
Polaris
GM107
Market segment
Laptop
Laptop
Release date
April 2017
March 2015
Bus support
-
PCI Express 3.0
Interface
MXM-B (3.0)
MXM-B (3.0)
Supplementary power connectors
-
None
Boost clock speed
1077 MHz
1045 MHz
Core clock speed
1000 MHz
928 MHz
Floating-point performance
4,963 gflops
953.9 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
1,870 million
Pipelines / CUDA cores
2304
512
Power consumption (TDP)
100 Watt
75 Watt
Texture fill rate
155.1
40.80
Memory type
GDDR5
DDR3
Maximum RAM amount
8 GB
4 GB
Memory bus width
256 Bit
128 Bit
Memory clock speed
8000 MHz
2000 MHz
Memory bandwidth
256.0 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_0)
CUDA
-
+
OpenCL
2.0
1.2
OpenGL
4.6
4.5
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.126
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+