HD Graphics 400 and GeForce 6800 GT - video card comparison
HD Graphics 400
GeForce 6800 GT
Architecture
Generation 8.0 (2014−2015)
Curie (2003−2013)
GPU code name
Braswell GT1
NV45
Market segment
Desktop
Desktop
Release date
April 2015
June 2004
Interface
PCIe 3.0 x1
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
640 MHz
-
Core clock speed
320 MHz
350 MHz
Floating-point performance
134.4 gflops
-
Manufacturing process technology
14 nm
130 nm
Number of transistors
189 million
222 million
Pipelines / CUDA cores
96
-
Power consumption (TDP)
6 Watt
67 Watt
Texture fill rate
7.680
5.600
Memory type
DDR3L
GDDR3
Maximum RAM amount
8 GB
256 MB
Memory bus width
System Shared
256 Bit
Memory clock speed
System Shared
1000 MHz
Memory bandwidth
-
32 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_1)
9.0c (9_3)
OpenCL
2.0
N/A
OpenGL
4.3
2.1
Shader Model
5.1
3.0
Vulkan
1.1.80
N/A