HD Graphics 405 and Radeon RX 580 2048SP - video card comparison
HD Graphics 405
Radeon RX 580 2048SP
Architecture
Gen. 8 (2015−2016)
GCN 4.0 (2016−2020)
GPU code name
Braswell
Polaris 20
Market segment
Laptop
Desktop
Release date
April 2016
October 2018
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
-
1x 8-pin
Boost clock speed
700 MHz
1284 MHz
Core clock speed
320 MHz
1168 MHz
Floating-point performance
213.1 gflops
-
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
5,700 million
Pipelines / CUDA cores
16
2048
Power consumption (TDP)
6 Watt
150 Watt
Texture fill rate
11.20
164.4
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
8 GB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
7000 MHz
Memory bandwidth
-
224.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x DVI, 1x HDMI, 3x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12 (12_0)
OpenCL
2.0
2.0
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.80
1.2.131