Radeon HD 7660G and Radeon HD 6490M - video card comparison
Passmark - benchmark score Radeon HD 7660G vs Radeon HD 6490M
Radeon HD 7660G
489
Radeon HD 6490M
388
Radeon HD 7660G
Radeon HD 6490M
Architecture
Terascale 3 (2010−2013)
Terascale 2 (2009−2015)
GPU code name
Trinity
Seymour XT
Market segment
Laptop
Laptop
Release date
May 2012
January 2011
Interface
IGP
PCIe 2.0 x16
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
700 / 750 / 800 MHz
Floating-point performance
-
256 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1.3 Million
370 million
Pipelines / CUDA cores
384
160
Power consumption (TDP)
35 Watt
-
Texture fill rate
16.46
6.400
Memory type
System Shared
DDR3/GDDR5
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
800 MHz
Memory bandwidth
-
25.6 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
11.2 (11_0)
OpenCL
1.2
1.2
OpenGL
4.4
4.4
Shader Model
5.0
5.0
Vulkan
N/A
N/A