Radeon R9 M270 and Mobility Radeon HD 4860 - video card comparison
Radeon R9 M270
Mobility Radeon HD 4860
Architecture
GCN (2011−2017)
Terascale 1 (2008−2010)
GPU code name
-
M97-XT
Market segment
Laptop
Laptop
Release date
April 2014
March 2009
Interface
-
PCIe 2.0 x16
Core clock speed
725 MHz
650 MHz
Floating-point performance
-
832.0 gflops
Manufacturing process technology
28 nm
40 nm
Number of transistors
1500 Million
826 million
Pipelines / CUDA cores
640
640
Texture fill rate
-
20.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
1 GB
Memory bus width
128 Bit
128 Bit
Memory clock speed
4500 MHz
1000 MHz
Memory bandwidth
-
64 GB/s
Shared memory
-
-
Display Connectors
-
No outputs
DirectX
12 (FL 11_1)
10.1 (10_1)
OpenCL
-
1.1
OpenGL
-
3.3
Shader Model
-
4.1
Vulkan
-
N/A