Product comparison · 2 laptops

Acer Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop vs Lenovo ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop

129specifications compared
44differ
85identical
34known for one product only

Key differences

Product colour
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:Silver
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:Black
Display diagonal
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:35.6 cm (14")
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:39.6 cm (15.6")
Touchscreen
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:Yes
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:No
Processor family
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:Intel® Pentium®
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:Intel® Core™ i3
Processor model
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:2117U
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:i3-3227U
Processor threads
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:2
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:4
Processor frequency
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:1.8 GHz
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:1.9 GHz
Processor cache
- Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop:2 MB
- ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop:3 MB

Side by side

Differences highlightedShow differences only

Comparison of 431P-21176G50Mass, S531
163 specifications	A Acer Aspire 431P-21176G50Mass Intel® Pentium® 2117U Laptop Model 431P-21176G50Mass View product	B Lenovo ThinkPad S531 Intel® Core™ i3 i3-3227U Laptop Model S531 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Silver	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
TouchscreenDiffers	Yes	No
HD typeKnown for one	HD	Unknown — not stated by the source
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Display number of coloursKnown for one	16.78 million colours	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i3
Processor modelDiffers	2117U	i3-3227U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	1.8 GHz	1.9 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
FSB Parity	No	No
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)Differs	18	19
ECC supported by processor	No	No
Processor generationKnown for one	Unknown — not stated by the source	3rd gen Intel® Core™ i3
Memory1 differ
Internal memoryDiffers	6 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 2 + 1 x 4 GB	Unknown — not stated by the source
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
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Storage2 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Number of SSDs installedKnown for one	0	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	No
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
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
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	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x166
Audio1 differ
Audio systemDiffers	HD	Dolby Home Theater
Built-in microphone	Yes	Yes
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speakers manufacturerKnown for one	Unknown — not stated by the source	JBL
Network3 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAXDiffers	No	Yes
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	2
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	0	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Microphone inDiffers	Yes	No
Docking connector	No	No
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM70 Express	Unknown — not stated by the source
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8 Pro
Processor special features12 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 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 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)	No	No
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Differs	No	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® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	No	No
Processor ARK IDDiffers	71469	72057
Processor codeDiffers	SR0VQ	SR0XF
Processor package sizeDiffers	31 x 24 mm	31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Battery2 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cells	4	4
Battery capacityDiffers	2500 mAh	62.8 Wh
Battery life (max)Differs	4 h	9 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security2 differ
Cable lock slotDiffers	No	Yes
Fingerprint readerDiffers	No	Yes
Certificatesidentical
Wi-Fi certifiedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	2.2 kg	2.29 kg
WidthKnown for one	342 mm	Unknown — not stated by the source
DepthKnown for one	245 mm	Unknown — not stated by the source
HeightKnown for one	24.3 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Cables included	AC	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
3DKnown for one	No	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Cameraidentical
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No

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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