Mobility Radeon HD 2600 and Radeon HD 6870M - video card comparison
Mobility Radeon HD 2600
Radeon HD 6870M
Architecture
RV6xx (2007−2010)
Terascale 2 (2009−2015)
GPU code name
M76
Granville-PRO
Market segment
Laptop
Laptop
Release date
May 2007
January 2011
Interface
MXM-II
MXM-B (3.0)
Core clock speed
500 MHz
675 MHz
Floating-point performance
120 gflops
1,080.0 gflops
Manufacturing process technology
65 nm
40 nm
Number of transistors
390 million
1,040 million
Pipelines / CUDA cores
120
800
Power consumption (TDP)
-
50 Watt
Texture fill rate
4.000
27.00
Memory type
DDR2, GDDR3
DDR3, GDDR3, GDDR5
Maximum RAM amount
256+ MB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
600 MHz
1000 MHz
Memory bandwidth
12.8 GB/s
64 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
10.0 (10_0)
11.2 (11_0)
OpenCL
N/A
1.2
OpenGL
3.3
4.4
Shader Model
4.0
5.0
Vulkan
N/A
N/A