HD Graphics 405 and Radeon RX 6800 - video card comparison
HD Graphics 405
Radeon RX 6800
Architecture
Gen. 8 (2015−2016)
Navi / RDNA2 (2020−2022)
GPU code name
Braswell
Navi 21
Market segment
Laptop
Desktop
Release date
April 2016
November 2020
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
2x 8-pin
Boost clock speed
700 MHz
2105 MHz
Core clock speed
320 MHz
1815 MHz
Floating-point performance
213.1 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
189 million
26,800 million
Pipelines / CUDA cores
16
3840
Power consumption (TDP)
6 Watt
250 Watt
Texture fill rate
11.20
505.2
Memory type
System Shared
GDDR6
Maximum RAM amount
System Shared
16 GB
Memory bus width
64/128 Bit
256 Bit
Memory clock speed
System Shared
16000 MHz
Memory bandwidth
-
512.0 GB/s
Shared memory
+
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort, 1x USB Type-C
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
OpenCL
2.0
2.0
OpenGL
4.3
4.6
Shader Model
5.1
6.5
Vulkan
1.1.80
1.2