GeForce 820M and GeForce 6600 GT - video card comparison
Passmark - benchmark score GeForce 820M vs GeForce 6600 GT
GeForce 820M
511
GeForce 6600 GT
147
GeForce 820M
GeForce 6600 GT
Architecture
Fermi (2010−2014)
Curie (2003−2013)
GPU code name
N15V-GM
NV43 A2
Market segment
Laptop
Desktop
Release date
January 2014
August 2004
Bus support
PCI Express 2.0
-
Interface
PCIe 2.0 x16
PCIe 1.0 x16
Supplementary power connectors
-
None
Core clock speed
775 MHz
500 MHz
Floating-point performance
240.0 gflops
-
Manufacturing process technology
28 nm
110 nm
Number of transistors
585 million
146 million
Pipelines / CUDA cores
96
-
Power consumption (TDP)
15 Watt
-
Texture fill rate
10.00
4.000
Memory type
DDR3
GDDR3
Maximum RAM amount
2 GB
128 MB
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 MHz
1000 MHz
Memory bandwidth
14.4 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
1x DVI, 1x VGA, 1x S-Video
DirectX
12 (11_0)
9.0c (9_3)
CUDA
+
-
OpenCL
1.1
N/A
OpenGL
4.5
2.1
Shader Model
5.1
3.0
Vulkan
N/A
N/A
GameWorks
+
-
GPU Boost
2.0
-
Optimus
+
-