Radeon HD 7770M and Radeon HD 8570M - video card comparison
Radeon HD 7770M
Radeon HD 8570M
Architecture
GCN (2011−2017)
GCN (2011−2017)
GPU code name
Chelsea XT
Sun
Market segment
Laptop
Laptop
Release date
April 2012
November 2012
Interface
PCIe 2.0 x16
PCIe 3.0 x8
Boost clock speed
-
825 MHz
Core clock speed
675 MHz
650 MHz
Floating-point performance
691.2 gflops
528.0 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
1,500 million
690 million
Pipelines / CUDA cores
512
384
Power consumption (TDP)
32 Watt
-
Texture fill rate
21.60
16.50
Memory type
GDDR5
DDR3
Maximum RAM amount
1 GB
1 GB
Memory bus width
128 Bit
64 Bit
Memory clock speed
4000 MHz
1800 - 2000 MHz
Memory bandwidth
64 GB/s
16 GB/s
Shared memory
-
-
Display Connectors
No outputs
No outputs
DirectX
12 (11_1)
12 (11_1)
OpenCL
1.2
1.2
OpenGL
4.6
4.6
Shader Model
5.1
5.1
Vulkan
1.2.131
1.2.131