
GeForce GTX 660 OEM and Radeon HD 8570D - video card comparison
GeForce GTX 660 OEM
Radeon HD 8570D
Architecture
Kepler (2012−2018)
Terascale 3 (2010−2013)
GPU code name
GK104
Richland
Market segment
Desktop
Desktop
Release date
August 2012
September 2012
Interface
PCIe 3.0 x16
IGP
Supplementary power connectors
1x 6-pin
-
Boost clock speed
888 MHz
868 MHz
Core clock speed
823 MHz
844 MHz
Floating-point performance
2,046 gflops
-
Manufacturing process technology
28 nm
32 nm
Number of transistors
3,540 million
1,303 million
Pipelines / CUDA cores
1152
256
Power consumption (TDP)
130 Watt
65 Watt
Texture fill rate
85.25
13.89
Memory type
GDDR5
System Shared
Maximum RAM amount
2 GB
System Shared
Memory bus width
256 Bit
System Shared
Memory clock speed
5600 MHz
System Shared
Memory bandwidth
179.2 GB/s
-
Shared memory
-
+
Display Connectors
2x DVI, 1x HDMI, 1x DisplayPort
No outputs
HDMI
+
-
DirectX
12 (11_0)
11.2 (11_0)
CUDA
3.0
-
OpenCL
1.2
1.2
OpenGL
4.6
4.4
Shader Model
5.1
5.0
Vulkan
1.1.126
N/A