Radeon RX 580 and HD Graphics 400 - video card comparison
Radeon RX 580
HD Graphics 400
Architecture
Polaris (2016−2019)
Generation 8.0 (2014−2015)
GPU code name
Polaris 20
Braswell GT1
Market segment
Desktop
Desktop
Release date
April 2017
April 2015
Interface
PCIe 3.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 8-pin
-
Boost clock speed
1340 MHz
640 MHz
Core clock speed
1257 MHz
320 MHz
Floating-point performance
6,175 gflops
134.4 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
5,700 million
189 million
Pipelines / CUDA cores
2304
96
Power consumption (TDP)
185 Watt
6 Watt
Texture fill rate
193.0
7.680
Memory type
GDDR5
DDR3L
Maximum RAM amount
8 GB
8 GB
Memory bus width
256 Bit
System Shared
Memory clock speed
8000 MHz
System Shared
Memory bandwidth
256.0 GB/s
-
Display Connectors
1x HDMI, 3x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
2.0
OpenGL
4.6
4.3
Shader Model
6.4
5.1
Vulkan
1.2.131
1.1.80