Product comparison · 2 laptops

ASUS K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM vs ASUS X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U

140specifications compared
36differ
104identical
25known for one product only

Key differences

Product colour
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:White
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:Black
Processor family
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:Intel® Core™ i7
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:Intel® Core™ i3
Processor generation
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:3rd gen Intel® Core™ i7
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:3rd gen Intel® Core™ i3
Processor model
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:i7-3630QM
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:i3-3217U
Processor cores
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:4
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:2
Processor threads
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:8
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:4
Processor frequency
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:2.4 GHz
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:1.8 GHz
Processor cache
- K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM:6 MB
- X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U:3 MB

Side by side

Differences highlightedShow differences only

Comparison of K55A-QH91-WT-CB, X551CA-DH31-CA
165 specifications	A ASUS K55A-QH91-WT-CB laptop Intel® Core™ i7 i7-3630QM Model K55A-QH91-WT-CB View product	B ASUS X551CA-DH31-CA laptop Intel® Core™ i3 i3-3217U Model X551CA-DH31-CA View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	White	Black
Form factor	Clamshell	Clamshell
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i3
Processor generationDiffers	3rd gen Intel® Core™ i7	3rd gen Intel® Core™ i3
Processor modelDiffers	i7-3630QM	i3-3217U
Processor coresDiffers	4	2
Processor threadsDiffers	8	4
Processor frequencyDiffers	2.4 GHz	1.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	6 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	Unknown — not stated by the source	3 MB
Processor socketDiffers	PGA988	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-3600 Mobile series	Intel Core i3-3200 Mobile Series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	E1	L1
Thermal Design Power (TDP)Differs	45 W	17 W
Tjunction	105 °C	105 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	3.0	2.0
CPU multiplier (bus/core ratio)Differs	24	18
ECC supported by processor	No	No
Processor boost frequencyKnown for one	3.4 GHz	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	6 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	On-board
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	750 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	750 GB	500 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD	MMC, SD
Graphics2 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 4000	Intel® HD Graphics 4000
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1050 MHz
On-board graphics card ID	0x166	0x166
Discrete graphics cardKnown for one	No	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Not available	Unknown — not stated by the source
Audioidentical
Audio system	SonicMaster	SonicMaster
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesDiffers	10,100,1000 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces3 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	1
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 8	Windows 8
Operating system architecture	64-bit	64-bit
Processor special features5 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	22 nm	22 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	71459	65697
Processor codeDiffers	SR0UX	SR0N9
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B)	31 x 24 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	6	4
Battery capacityDiffers	50 Wh	37 Wh
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Power2 differ
AC adapter powerDiffers	65 W	45 W
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
AC adapter input voltage	100 - 240 V	100 - 240 V
AC adapter output currentDiffers	4.74 A	2.37 A
AC adapter output voltage	19 V	19 V
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.52 kg	2.15 kg
WidthDiffers	378 mm	380 mm
Depth	251 mm	251 mm
Height (front)Differs	2.55 cm	3.09 cm
Height (rear)Differs	3.19 cm	3.66 cm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
64-bit computingKnown for one	Unknown — not stated by the source	Yes
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Disc types supportedKnown for one	DVD+R, DVD+RW, DVD-R, DVD-RAM, DVD-RW	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel HM76 Express	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

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