Maxwell GPU Surface Book and GeForce GTX 660 OEM - video card comparison
Maxwell GPU Surface Book
GeForce GTX 660 OEM
Architecture
Maxwell (2014−2018)
Kepler (2012−2018)
GPU code name
Surface Book
GK104
Market segment
Laptop
Desktop
Release date
October 2015
August 2012
Interface
-
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
993 MHz
888 MHz
Core clock speed
954 MHz
823 MHz
Floating-point performance
-
2,046 gflops
Manufacturing process technology
28 nm
28 nm
Number of transistors
-
3,540 million
Pipelines / CUDA cores
384
1152
Power consumption (TDP)
-
130 Watt
Texture fill rate
-
85.25
Memory type
GDDR5
GDDR5
Maximum RAM amount
1 GB
2 GB
Memory bus width
64 Bit
256 Bit
Memory clock speed
5012 MHz
5600 MHz
Memory bandwidth
-
179.2 GB/s
Shared memory
-
-
Display Connectors
-
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (FL 11_0)
12 (11_0)
CUDA
+
3.0
OpenCL
-
1.2
OpenGL
-
4.6
Shader Model
-
5.1
Vulkan
-
1.1.126
Optimus
+
-