Product comparison · 2 laptops

ASUS X551CA-DH21 Intel® Pentium® 2117U Laptop vs ASUS X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop

129specifications compared
20differ
109identical
6known for one product only

Key differences

Processor family
- X551CA-DH21 Intel® Pentium® 2117U Laptop:Intel® Pentium®
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:Intel® Core™ i3
Processor model
- X551CA-DH21 Intel® Pentium® 2117U Laptop:2117U
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:i3-3217U
Processor threads
- X551CA-DH21 Intel® Pentium® 2117U Laptop:2
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:4
Processor cache
- X551CA-DH21 Intel® Pentium® 2117U Laptop:2 MB
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:3 MB
Stepping
- X551CA-DH21 Intel® Pentium® 2117U Laptop:P0
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:L1
Optical drive type
- X551CA-DH21 Intel® Pentium® 2117U Laptop:DVD Super Multi
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:DVD±RW
On-board graphics card model
- X551CA-DH21 Intel® Pentium® 2117U Laptop:Intel® HD Graphics
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:Intel® HD Graphics 4000
On-board graphics card dynamic frequency (max)
- X551CA-DH21 Intel® Pentium® 2117U Laptop:1000 MHz
- X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop:1050 MHz

Side by side

Differences highlightedShow differences only

Comparison of X551CA-DH21, X551CA-DH31
135 specifications	A ASUS X551CA-DH21 Intel® Pentium® 2117U Laptop Model X551CA-DH21 View product	B ASUS X551CA-DH31 Intel® Core™ i3 i3-3217U Laptop Model X551CA-DH31 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	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
HD type	HD	HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surface	Gloss	Gloss
Processor6 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	3rd gen Intel® Core™ i3
Processor modelDiffers	2117U	i3-3217U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequency	1.8 GHz	1.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium 2000 series for Mobile	Intel Core i3-3200 Mobile Series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
SteppingDiffers	P0	L1
Thermal Design Power (TDP)	17 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 version	2.0	2.0
CPU multiplier (bus/core ratio)	18	18
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Storage1 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD	MMC, SD
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 4000
On-board graphics card base frequency	350 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1050 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x166
Audioidentical
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	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 rates	10,100 Mbit/s	10,100 Mbit/s
Integrated 4G WiMAXDiffers	No	Yes
Ports & interfacesidentical
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
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	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
Docking connector	No	No
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	Yes	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 8	Windows 8
Processor special features10 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	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 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 versionKnown for one	Unknown — not stated by the source	1.00
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)	No	No
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	71469	65697
Processor codeDiffers	SR0VQ	SR0N9
Processor package size	31 x 24 mm	31 x 24 mm
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Batteryidentical
Number of battery cells	4	4
Battery capacity	37 Wh	37 Wh
Poweridentical
AC adapter power	45 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 current	2.37 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 type	Kensington	Kensington
Certificatesidentical
Compliance certificates	RoHS	RoHS
Certification	UL, CE Marking Compliance, FCC Compliance, BSMI, CCC, CB, EPEAT, Energy star, CECP, RoHS, JATE	UL, CE Marking Compliance, FCC Compliance, BSMI, CCC, CB, EPEAT, Energy star, CECP, RoHS, JATE
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensionsidentical
Weight	2.15 kg	2.15 kg
Width	380 mm	380 mm
Depth	251 mm	251 mm
Height (front)	3.09 cm	3.09 cm
Height (rear)	3.66 cm	3.66 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes

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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