Radeon HD 8570M and Radeon HD 7640G + HD 7670M Dual Graphics - video card comparison
Radeon HD 8570M
Radeon HD 7640G + HD 7670M Dual Graphics
Architecture
GCN (2011−2017)
Terascale 3 (2010−2013)
GPU code name
Sun
-
Market segment
Laptop
Laptop
Release date
November 2012
May 2012
Interface
PCIe 3.0 x8
-
Boost clock speed
825 MHz
-
Core clock speed
650 MHz
655 / 600 MHz
Floating-point performance
528.0 gflops
-
Manufacturing process technology
28 nm
40 nm
Number of transistors
690 million
-
Pipelines / CUDA cores
384
736
Texture fill rate
16.50
-
Memory type
DDR3
-
Maximum RAM amount
1 GB
-
Memory bus width
64 Bit
128 Bit
Memory clock speed
1800 - 2000 MHz
1800 MHz
Memory bandwidth
16 GB/s
-
Shared memory
-
+
Display Connectors
No outputs
-
DirectX
12 (11_1)
11
OpenCL
1.2
-
OpenGL
4.6
-
Shader Model
5.1
-
Vulkan
1.2.131
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