Radeon HD 7660G and Mobility Radeon HD 4860 - video card comparison
Radeon HD 7660G
Mobility Radeon HD 4860
Architecture
Terascale 3 (2010−2013)
Terascale 1 (2008−2010)
GPU code name
Trinity
M97-XT
Market segment
Laptop
Laptop
Release date
May 2012
March 2009
Interface
IGP
PCIe 2.0 x16
Boost clock speed
686 MHz
-
Core clock speed
497 MHz
650 MHz
Floating-point performance
-
832.0 gflops
Manufacturing process technology
32 nm
40 nm
Number of transistors
1.3 Million
826 million
Pipelines / CUDA cores
384
640
Power consumption (TDP)
35 Watt
-
Texture fill rate
16.46
20.80
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
1 GB
Memory bus width
System Shared
128 Bit
Memory clock speed
System Shared
1000 MHz
Memory bandwidth
-
64 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
10.1 (10_1)
OpenCL
1.2
1.1
OpenGL
4.4
3.3
Shader Model
5.0
4.1
Vulkan
N/A
N/A