GeForce 820M and GeForce 800M - video card comparison
Passmark - benchmark score GeForce 820M vs GeForce 800M
GeForce 820M
511
GeForce 800M
471
GeForce 820M
GeForce 800M
Architecture
Fermi (2010−2014)
Fermi 2.0 (2010−2014)
GPU code name
N15V-GM
GF117
Market segment
Laptop
Desktop
Release date
January 2014
March 2014
Bus support
PCI Express 2.0
PCI Express 3.0
Interface
PCIe 2.0 x16
PCIe 2.0 x16
Core clock speed
775 MHz
738 MHz
Floating-point performance
240.0 gflops
141.7 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
585 million
585 million
Pipelines / CUDA cores
96
48
Power consumption (TDP)
15 Watt
15 Watt
Texture fill rate
10.00
5.904
Memory type
DDR3
DDR3
Maximum RAM amount
2 GB
1 GB
Memory bus width
64 Bit
64 Bit
Memory clock speed
1800 MHz
1800 MHz
Memory bandwidth
14.4 GB/s
14.4 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_0)
12 (11_0)
CUDA
+
+
OpenCL
1.1
1.1
OpenGL
4.5
4.5
Shader Model
5.1
5.1
Vulkan
N/A
N/A
GameWorks
+
+
GPU Boost
2.0
2.0
Optimus
+
+