HD Graphics 630 and GeForce GTX 660 Rev. 2 - video card comparison
HD Graphics 630
GeForce GTX 660 Rev. 2
Architecture
Gen. 9.5 Kaby Lake (2015−2017)
Kepler (2012−2018)
GPU code name
Kaby-Lake-H-GT2
GK104
Market segment
Desktop
Desktop
Release date
January 2017
September 2014
Interface
PCIe 3.0 x1
PCIe 3.0 x16
Supplementary power connectors
-
1x 6-pin
Boost clock speed
1150 MHz
1032 MHz
Core clock speed
300 MHz
980 MHz
Floating-point performance
441.6 gflops
1,981 gflops
Manufacturing process technology
14 nm
28 nm
Number of transistors
189 million
3,540 million
Pipelines / CUDA cores
24
960
Power consumption (TDP)
15 Watt
140 Watt
Texture fill rate
26.40
82.56
Memory type
DDR3L/LPDDR3/LPDDR4
GDDR5
Maximum RAM amount
64 GB
2 GB
Memory bus width
64/128 Bit
192 Bit
Memory clock speed
System Shared
6008 MHz
Memory bandwidth
-
144.2 GB/s
Shared memory
+
-
Display Connectors
No outputs
2x DVI, 1x HDMI, 1x DisplayPort
HDMI
-
+
DirectX
12 (12_1)
12 (11_0)
CUDA
-
3.0
OpenCL
2.1
1.2
OpenGL
4.6
4.6
Shader Model
6.4
5.1
Vulkan
+
1.1.126
Quick Sync
+
-