HD Graphics 400 and Quadro P620 - video card comparison
HD Graphics 400
Quadro P620
Architecture
Generation 8.0 (2014−2015)
Pascal (2016−2021)
GPU code name
Braswell GT1
GP107
Market segment
Desktop
Workstation
Release date
April 2015
May 2019
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
-
None
Boost clock speed
640 MHz
1442 MHz
Core clock speed
320 MHz
1177 MHz
Floating-point performance
134.4 gflops
1,490 gflops
Manufacturing process technology
14 nm
14 nm
Number of transistors
189 million
3,300 million
Pipelines / CUDA cores
96
512
Power consumption (TDP)
6 Watt
25 Watt
Texture fill rate
7.680
43.33
Memory type
DDR3L
GDDR5
Maximum RAM amount
8 GB
2 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
6000 MHz
Memory bandwidth
-
80.13 GB/s
Shared memory
-
-
Display Connectors
No outputs
4x mini-DisplayPort
DirectX
12 (11_1)
12 (12_1)
CUDA
-
6.1
OpenCL
2.0
1.2
OpenGL
4.3
4.6
Shader Model
5.1
6.4
Vulkan
1.1.80
1.2.131