GeForce 820M and GeForce 315M - video card comparison
Passmark - benchmark score GeForce 820M vs GeForce 315M
GeForce 820M
511
GeForce 315M
118
GeForce 820M
GeForce 315M
Architecture
Fermi (2010−2014)
GT2xx (2009−2012)
GPU code name
N15V-GM
N11M-GE
Market segment
Laptop
Laptop
Release date
January 2014
December 2010
Bus support
PCI Express 2.0
PCI-E 2.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
775 MHz
606 MHz
CUDA cores
-
16
Floating-point performance
240.0 gflops
38.78 gflops
Gigaflops
-
73
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
260 million
Pipelines / CUDA cores
96
16
Power consumption (TDP)
15 Watt
14 Watt
Texture fill rate
10.00
4.848
Memory type
DDR3
GDDR3, DDR3
Maximum RAM amount
2 GB
Up to 512 MB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
Up to 800 (DDR3), Up to 800 (GDDR3) MHz
Memory bandwidth
14.4 GB/s
12.8 GB/s
Shared memory
-
-
Display Connectors
No outputs
DisplayPortHDMIVGADual Link DVISingle Link DVI
Multi monitor support
-
+
HDMI
-
+
Maximum VGA resolution
-
2048x1536
DirectX
12 (11_0)
11.1 (10_1)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.1
Shader Model
5.1
4.1
Vulkan
N/A
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-
Power management
-
8.0