Radeon R8 M445DX and Mobility Radeon HD 4870 - video card comparison
Radeon R8 M445DX
Mobility Radeon HD 4870
Architecture
GCN (2011−2017)
Terascale 1 (2008−2010)
GPU code name
Meso
M98-XT
Market segment
Laptop
Laptop
Release date
June 2016
January 2009
Interface
IGP
PCIe 2.0 x16
Boost clock speed
1021 MHz
-
Core clock speed
720 / 1020 MHz
550 MHz
Floating-point performance
-
880.0 gflops
Manufacturing process technology
28 nm
55 nm
Number of transistors
1,550 million
956 million
Pipelines / CUDA cores
704
800
Texture fill rate
20.42
22.00
Memory type
DDR3, DDR4
GDDR5
Maximum RAM amount
System Shared
1 GB
Memory bus width
128 + 64 Bit
256 Bit
Memory clock speed
933 / 1000 MHz
888 MHz
Memory bandwidth
-
56.83 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
10.1 (10_1)
OpenCL
2.0
1.1
OpenGL
4.6
3.3
Shader Model
6.0
4.1
Vulkan
1.2.131
N/A