Radeon HD 8570D and GeForce GT 640M Mac Edition - video card comparison
Radeon HD 8570D
GeForce GT 640M Mac Edition
Architecture
Terascale 3 (2010−2013)
Kepler (2012−2018)
GPU code name
Richland
GK107
Market segment
Desktop
Desktop
Release date
September 2012
February 2013
Interface
IGP
PCIe 3.0 x16
Boost clock speed
868 MHz
-
Core clock speed
844 MHz
745 MHz
Floating-point performance
-
572.2 gflops
Manufacturing process technology
32 nm
28 nm
Number of transistors
1,303 million
1,270 million
Pipelines / CUDA cores
256
384
Power consumption (TDP)
65 Watt
32 Watt
Texture fill rate
13.89
23.84
Memory type
System Shared
GDDR5
Maximum RAM amount
System Shared
512 MB
Memory bus width
System Shared
64 Bit
Memory clock speed
System Shared
5000 MHz
Memory bandwidth
-
40 GB/s
Shared memory
+
-
Display Connectors
No outputs
No outputs
DirectX
11.2 (11_0)
12 (11_0)
CUDA
-
3.0
OpenCL
1.2
1.2
OpenGL
4.4
4.6
Shader Model
5.0
5.1
Vulkan
N/A
1.1.126