GeForce GTX 670MX and GeForce 820M - video card comparison
Passmark - benchmark score GeForce GTX 670MX vs GeForce 820M
GeForce GTX 670MX
2005
GeForce 820M
511
GeForce GTX 670MX
GeForce 820M
Architecture
Kepler (2012−2018)
Fermi (2010−2014)
GPU code name
N13E-GR
N15V-GM
Market segment
Laptop
Laptop
Release date
October 2012
January 2014
Bus support
PCI Express 2.0
PCI Express 2.0
Interface
PCIe 3.0 x16
PCIe 2.0 x16
SLI options
+
-
Core clock speed
600 MHz
775 MHz
CUDA cores
960
-
Floating-point performance
1,154 gflops
240.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
3,540 million
585 million
Pipelines / CUDA cores
960
96
Power consumption (TDP)
75 Watt
15 Watt
Texture fill rate
48.0 billion/sec
10.00
Memory type
GDDR5
DDR3
Maximum RAM amount
3 GB
2 GB
Memory bus width
192 Bit
64 Bit
Memory clock speed
1400 MHz
1800 MHz
Memory bandwidth
67.2 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
HDMI
+
-
HDCP
+
-
Maximum VGA resolution
Up to 2048x1536
-
DirectX
12 API
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
1.1.126
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
+
+