GeForce 820M and GeForce GT 320M - video card comparison
Passmark - benchmark score GeForce 820M vs GeForce GT 320M
GeForce 820M
511
GeForce GT 320M
108
GeForce 820M
GeForce GT 320M
Architecture
Fermi (2010−2014)
GT2xx (2009−2012)
GPU code name
N15V-GM
G96C
Market segment
Laptop
Laptop
Release date
January 2014
January 2010
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
MXM-II
Supplementary power connectors
-
None
Core clock speed
775 MHz
500 MHz
Floating-point performance
240.0 gflops
80 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
585 million
314 million
Pipelines / CUDA cores
96
24
Power consumption (TDP)
15 Watt
14 Watt
Texture fill rate
10.00
8.000
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
790 MHz
Memory bandwidth
14.4 GB/s
25.6 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
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
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-