GeForce GT 445M and GeForce GT 420M - video card comparison
Passmark - benchmark score GeForce GT 445M vs GeForce GT 420M
GeForce GT 445M
835
GeForce GT 420M
417
GeForce GT 445M
GeForce GT 420M
Architecture
Fermi (2010−2014)
Fermi (2010−2014)
GPU code name
N11E-GE
N11P-GE
Market segment
Laptop
Laptop
Release date
September 2010
September 2010
Interface
PCIe 2.0 x16
PCIe 2.0 x16
SLI options
+
-
Core clock speed
590 MHz
500 MHz
CUDA cores
144
96
Floating-point performance
339.8 gflops
192 gflops
Manufacturing process technology
40 nm
40 nm
Number of transistors
1,170 million
585 million
Pipelines / CUDA cores
144
96
Power consumption (TDP)
35 Watt
23 Watt
Texture fill rate
10.6 billion/sec
6.0 billion/sec
Memory type
GDDR5
(G)DDR3
Maximum RAM amount
3 GB
1 GB
Memory bus width
192 Bit
128 Bit
Memory clock speed
1250 MHz
800 MHz
Memory bandwidth
60.0 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 API
12 API
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
N/A
N/A