Radeon RX 580 and Radeon R8 M445DX - video card comparison
Passmark - benchmark score Radeon RX 580 vs Radeon R8 M445DX
Radeon RX 580
9140
Radeon R8 M445DX
820
Radeon RX 580
Radeon R8 M445DX
Architecture
Polaris (2016−2019)
GCN (2011−2017)
GPU code name
Polaris 20
Meso
Market segment
Desktop
Laptop
Release date
April 2017
June 2016
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1340 MHz
1021 MHz
Core clock speed
1257 MHz
720 / 1020 MHz
Floating-point performance
6,175 gflops
-
Manufacturing process technology
14 nm
28 nm
Number of transistors
5,700 million
1,550 million
Pipelines / CUDA cores
2304
704
Power consumption (TDP)
185 Watt
-
Texture fill rate
193.0
20.42
Memory type
GDDR5
DDR3, DDR4
Maximum RAM amount
8 GB
System Shared
Memory bus width
256 Bit
128 + 64 Bit
Memory clock speed
8000 MHz
933 / 1000 MHz
Memory bandwidth
256.0 GB/s
-
Shared memory
-
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.6
4.6
Shader Model
6.4
6.0
Vulkan
1.2.131
1.2.131