Radeon R7 M445 and Radeon HD 8770M - video card comparison
Radeon R7 M445
Radeon HD 8770M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Meso
Mars
Market segment
Laptop
Laptop
Release date
May 2016
November 2012
Interface
PCIe 3.0 x8
PCIe 3.0 x8
Boost clock speed
920 MHz
825 MHz
Core clock speed
920 MHz
775 MHz
Floating-point performance
588.8 gflops
633.6 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,550 million
950 million
Pipelines / CUDA cores
320
384
Power consumption (TDP)
15-25 Watt
-
Texture fill rate
18.40
19.80
Memory type
GDDR5
GDDR5
Maximum RAM amount
4 GB
2 GB
Memory bus width
64 Bit
128 Bit
Memory clock speed
2000 MHz
4500 MHz
Memory bandwidth
32 GB/s
72 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (12_0)
12 (11_1)
OpenCL
2.0
1.2
OpenGL
4.6
4.6
Shader Model
6.0
5.1
Vulkan
1.2.131
1.2.131