Radeon HD 7660G and GeForce 820M - video card comparison
Passmark - benchmark score Radeon HD 7660G vs GeForce 820M
Radeon HD 7660G
489
GeForce 820M
511
Radeon HD 7660G
GeForce 820M
Architecture
Terascale 3 (2010−2013)
Fermi (2010−2014)
GPU code name
Trinity
N15V-GM
Market segment
Laptop
Laptop
Release date
May 2012
January 2014
Bus support
-
PCI Express 2.0
Interface
IGP
PCIe 2.0 x16
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
775 MHz
Floating-point performance
-
240.0 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1.3 Million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
35 Watt
15 Watt
Texture fill rate
16.46
10.00
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
2 GB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
1800 MHz
Memory bandwidth
-
14.4 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
+
OpenCL
1.2
1.1
OpenGL
4.4
4.5
Shader Model
5.0
5.1
Vulkan
N/A
N/A
GameWorks
-
+
GPU Boost
-
2.0
Optimus
-
+