GeForce GT 820M and GeForce 6800 GT - video card comparison
Passmark - benchmark score GeForce GT 820M vs GeForce 6800 GT
GeForce GT 820M
584
GeForce 6800 GT
146
GeForce GT 820M
GeForce 6800 GT
Architecture
Fermi 2.0 (2010−2014)
Curie (2003−2013)
GPU code name
GF117
NV45
Market segment
Desktop
Desktop
Release date
November 2013
June 2004
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
1x 6-pin
Core clock speed
775 MHz
350 MHz
Floating-point performance
297.6 gflops
-
Manufacturing process technology
28 nm
130 nm
Number of transistors
585 million
222 million
Pipelines / CUDA cores
96
-
Power consumption (TDP)
15 Watt
67 Watt
Texture fill rate
12.40
5.600
Memory type
DDR3
GDDR3
Maximum RAM amount
1 GB
256 MB
Memory bus width
64 Bit
256 Bit
Memory clock speed
1800 MHz
1000 MHz
Memory bandwidth
14.4 GB/s
32 GB/s
Display Connectors
No outputs
2x DVI, 1x S-Video
DirectX
12 (11_0)
9.0c (9_3)
CUDA
2.1
-
OpenCL
1.1
N/A
OpenGL
4.6
2.1
Shader Model
5.1
3.0
Vulkan
N/A
N/A