GeForce 315M and GeForce GT 420 OEM - video card comparison
GeForce 315M
GeForce GT 420 OEM
Architecture
GT2xx (2009−2012)
Fermi (2010−2014)
GPU code name
N11M-GE
GF108
Market segment
Laptop
Desktop
Release date
December 2010
September 2010
Bus support
PCI-E 2.0
-
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Supplementary power connectors
-
None
Core clock speed
606 MHz
700 MHz
CUDA cores
16
-
Floating-point performance
38.78 gflops
134.4 gflops
Gigaflops
73
-
Manufacturing process technology
40 nm
40 nm
Number of transistors
260 million
585 million
Pipelines / CUDA cores
16
48
Power consumption (TDP)
14 Watt
50 Watt
Texture fill rate
4.848
2.800
Memory type
GDDR3, DDR3
DDR3
Maximum RAM amount
Up to 512 MB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
1800 MHz
Memory bandwidth
12.8 GB/s
28.8 GB/s
Shared memory
-
-
Display Connectors
DisplayPortHDMIVGADual Link DVISingle Link DVI
1x DVI, 1x HDMI, 1x VGA
Multi monitor support
+
-
HDMI
+
+
Maximum VGA resolution
2048x1536
-
DirectX
11.1 (10_1)
12 (11_0)
CUDA
+
2.1
OpenCL
1.1
1.1
OpenGL
4.1
4.6
Shader Model
4.1
5.1
Vulkan
N/A
N/A
Power management
8.0
-