GeForce Go 7900 GTX and HD Graphics 405 - video card comparison
GeForce Go 7900 GTX
HD Graphics 405
Architecture
G7x (2005−2007)
Gen. 8 (2015−2016)
GPU code name
G71M
Braswell
Market segment
Laptop
Laptop
Release date
April 2006
April 2016
Interface
PCIe 1.0 x16
PCIe 3.0 x1
Supplementary power connectors
None
-
Boost clock speed
500 MHz
700 MHz
Core clock speed
8 MHz
320 MHz
Floating-point performance
-
213.1 gflops
Manufacturing process technology
90 nm
14 nm
Number of transistors
278 million
189 million
Pipelines / CUDA cores
32
16
Power consumption (TDP)
45 Watt
6 Watt
Texture fill rate
12.00
11.20
Memory type
GDDR3
System Shared
Maximum RAM amount
512 MB
System Shared
Memory bus width
256 Bit
64/128 Bit
Memory clock speed
1200 MHz
System Shared
Memory bandwidth
38.4 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
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