HD Graphics 400 and GeForce RTX 4090 - video card comparison
HD Graphics 400
GeForce RTX 4090
Architecture
Generation 8.0 (2014−2015)
Ada Lovelace
GPU code name
Braswell GT1
AD102-300-A1
Market segment
Desktop
Desktop
Release date
April 2015
September 2022
Interface
PCIe 3.0 x1
PCIe 4.0 x16
Supplementary power connectors
-
1x 16-pin
Boost clock speed
640 MHz
2520 MHz
Core clock speed
320 MHz
2235 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
5 nm
Number of transistors
189 million
76,300 million
Pipelines / CUDA cores
96
16384
Power consumption (TDP)
6 Watt
450 Watt
Texture fill rate
7.680
1,290
Memory type
DDR3L
GDDR6X
Maximum RAM amount
8 GB
24 GB
Memory bus width
System Shared
384 Bit
Memory clock speed
System Shared
21000 MHz
Memory bandwidth
-
1,008 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x HDMI 2.1, 3x DisplayPort 1.4a
HDMI
-
+
DirectX
12 (11_1)
12 Ultimate (12_2)
CUDA
-
8.9
OpenCL
2.0
3.0
OpenGL
4.3
4.6
Shader Model
5.1
6.6
Vulkan
1.1.80
1.3