Radeon HD 7660D and GeForce 820A - video card comparison
Passmark - benchmark score Radeon HD 7660D vs GeForce 820A
Radeon HD 7660D
518
GeForce 820A
572
Radeon HD 7660D
GeForce 820A
Architecture
Terascale 3 (2010−2013)
Fermi 2.0 (2010−2014)
GPU code name
Trinity
GF117
Market segment
Desktop
Desktop
Release date
September 2012
March 2014
Interface
IGP
PCIe 2.0 x16
Boost clock speed
800 MHz
-
Core clock speed
633 MHz
775 MHz
Floating-point performance
-
297.6 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
585 million
Pipelines / CUDA cores
384
96
Power consumption (TDP)
100 Watt
15 Watt
Texture fill rate
19.20
12.40
Memory type
System Shared
DDR3
Maximum RAM amount
System Shared
1 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
-
2.1
OpenCL
1.2
1.1
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
N/A