GeForce GT 420M and GeForce 7900 GT - video card comparison
Passmark - benchmark score GeForce GT 420M vs GeForce 7900 GT
GeForce GT 420M
417
GeForce 7900 GT
266
GeForce GT 420M
GeForce 7900 GT
Architecture
Fermi (2010−2014)
Curie (2003−2013)
GPU code name
N11P-GE
G71
Market segment
Laptop
Desktop
Release date
September 2010
March 2006
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
500 MHz
450 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
-
Manufacturing process technology
40 nm
90 nm
Number of transistors
585 million
278 million
Pipelines / CUDA cores
96
-
Power consumption (TDP)
23 Watt
48 Watt
Texture fill rate
6.0 billion/sec
10.80
Memory type
(G)DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
256 Bit
Memory clock speed
800 MHz
1320 MHz
Memory bandwidth
25.6 GB/s
42.24 GB/s
Shared memory
-
-
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 API
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.1
Shader Model
5.1
3.0
Vulkan
N/A
N/A