GeForce 7800 GT and HD Graphics 400 - video card comparison
GeForce 7800 GT
HD Graphics 400
Architecture
Curie (2003−2013)
Generation 8.0 (2014−2015)
GPU code name
G70
Braswell GT1
Market segment
Desktop
Desktop
Release date
August 2005
April 2015
Interface
PCIe 1.0 x16
PCIe 3.0 x1
Supplementary power connectors
1x 6-pin
-
Boost clock speed
-
640 MHz
Core clock speed
400 MHz
320 MHz
Floating-point performance
-
134.4 gflops
Manufacturing process technology
110 nm
14 nm
Number of transistors
302 million
189 million
Pipelines / CUDA cores
-
96
Power consumption (TDP)
65 Watt
6 Watt
Texture fill rate
8.000
7.680
Memory type
GDDR3
DDR3L
Maximum RAM amount
256 MB
8 GB
Memory bus width
256 Bit
System Shared
Memory clock speed
1000 MHz
System Shared
Memory bandwidth
32 GB/s
-
Display Connectors
2x DVI, 1x S-Video
No outputs
DirectX
9.0c (9_3)
12 (11_1)
OpenCL
N/A
2.0
OpenGL
2.1
4.3
Shader Model
3.0
5.1
Vulkan
N/A
1.1.80