Radeon HD 8770M and Radeon R5 (Stoney Ridge) - video card comparison
Radeon HD 8770M
Radeon R5 (Stoney Ridge)
Architecture
GCN (2011−2017)
GCN 1.2/2.0 (2015−2016)
GPU code name
Mars
Stoney Ridge
Market segment
Laptop
Laptop
Release date
November 2012
June 2016
Interface
PCIe 3.0 x8
-
Boost clock speed
825 MHz
800 MHz
Core clock speed
775 MHz
-
Floating-point performance
633.6 gflops
-
Manufacturing process technology
28 nm
28 nm
Number of transistors
950 million
-
Pipelines / CUDA cores
384
192
Power consumption (TDP)
-
12-45 Watt
Texture fill rate
19.80
-
Memory type
GDDR5
-
Maximum RAM amount
2 GB
-
Memory bus width
128 Bit
64 Bit
Memory clock speed
4500 MHz
-
Memory bandwidth
72 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 (11_1)
12 (FL 12_0)
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.2.131
-