GeForce GT 420M and GeForce 8400M GS - video card comparison
Passmark - benchmark score GeForce GT 420M vs GeForce 8400M GS
GeForce GT 420M
417
GeForce 8400M GS
112
GeForce GT 420M
GeForce 8400M GS
Architecture
Fermi (2010−2014)
Tesla (2006−2010)
GPU code name
N11P-GE
G86M
Market segment
Laptop
Laptop
Release date
September 2010
May 2007
Interface
PCIe 2.0 x16
MXM-I
Core clock speed
500 MHz
400 MHz
CUDA cores
96
-
Floating-point performance
192 gflops
25.6 gflops
Manufacturing process technology
40 nm
80 nm
Number of transistors
585 million
210 million
Pipelines / CUDA cores
96
16
Power consumption (TDP)
23 Watt
11 Watt
Texture fill rate
6.0 billion/sec
3.200
Memory type
(G)DDR3
GDDR2 / GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
128 Bit
64 Bit
Memory clock speed
800 MHz
600 MHz
Memory bandwidth
25.6 GB/s
6.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
11.1 (10_0)
CUDA
+
1.1
OpenCL
1.1
1.1
OpenGL
4.5
3.3
Shader Model
5.1
4.0
Vulkan
N/A
N/A