Radeon HD 8650M and GeForce GTX 660 Rev. 2 - video card comparison
Radeon HD 8650M
GeForce GTX 660 Rev. 2
Architecture
GCN (2011−2017)
Kepler (2012−2018)
GPU code name
-
GK104
Market segment
Laptop
Desktop
Release date
January 2013
September 2014
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
-
1032 MHz
Core clock speed
650 MHz
980 MHz
Floating-point performance
-
1,981 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
900 Million
3,540 million
Pipelines / CUDA cores
384
960
Power consumption (TDP)
-
140 Watt
Texture fill rate
-
82.56
Memory type
GDDR5
GDDR5
Maximum RAM amount
2 GB
2 GB
Memory bus width
64 Bit
192 Bit
Memory clock speed
4500 MHz
6008 MHz
Memory bandwidth
-
144.2 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
11.1
12 (11_0)
CUDA
-
3.0
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.1.126