HD Graphics 400 and Radeon RX 6600 XT - video card comparison
HD Graphics 400
Radeon RX 6600 XT
Architecture
Generation 8.0 (2014−2015)
Navi / RDNA2 (2020−2022)
GPU code name
Braswell GT1
Navi 23
Market segment
Desktop
Desktop
Release date
April 2015
July 2021
Interface
PCIe 3.0 x1
PCIe 4.0 x8
Supplementary power connectors
-
1x 8-pin
Boost clock speed
640 MHz
2589 MHz
Core clock speed
320 MHz
1968 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
7 nm
Number of transistors
189 million
11,060 million
Pipelines / CUDA cores
96
2048
Power consumption (TDP)
6 Watt
160 (TGP) Watt
Texture fill rate
7.680
331.4
Memory type
DDR3L
GDDR6
Maximum RAM amount
8 GB
8 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
16000 MHz
Memory bandwidth
-
256.0 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI, 2x DisplayPort
HDMI
-
+
DirectX
12 (11_1)
12.0 Ultimate (12_2)
OpenCL
2.0
2.1
OpenGL
4.3
4.6
Shader Model
5.1
6.5
Vulkan
1.1.80
1.2