Product comparison · 2 laptops

Lenovo Edge E431 vs Lenovo ThinkPad S431

144specifications compared
35differ
109identical
46known for one product only

Key differences

Processor family
- Edge E431:Intel® Core™ i5
- ThinkPad S431:Intel® Core™ i3
Processor generation
- Edge E431:3rd gen Intel® Core™ i5
- ThinkPad S431:3rd gen Intel® Core™ i3
Processor model
- Edge E431:i5-3230M
- ThinkPad S431:i3-3227U
Processor frequency
- Edge E431:2.6 GHz
- ThinkPad S431:1.9 GHz
Thermal Design Power (TDP)
- Edge E431:35 W
- ThinkPad S431:17 W
PCI Express slots version
- Edge E431:3.0
- ThinkPad S431:2.0
CPU multiplier (bus/core ratio)
- Edge E431:26
- ThinkPad S431:19
Memory slots
- Edge E431:2x SO-DIMM
- ThinkPad S431:1x SO-DIMM

Side by side

Differences highlightedShow differences only

Comparison of Edge E431, ThinkPad S431
190 specifications	A Lenovo Edge E431 View product	B Lenovo ThinkPad S431 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Housing materialKnown for one	Unknown — not stated by the source	Aluminium
Market positioning	Business	Business
Displayidentical
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	HD	Unknown — not stated by the source
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Dual-screenKnown for one	No	Unknown — not stated by the source
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	3rd gen Intel® Core™ i5	3rd gen Intel® Core™ i3
Processor modelDiffers	i5-3230M	i3-3227U
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.6 GHz	1.9 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	Unknown — not stated by the source	3 MB
Processor socket	BGA 1023	BGA 1023
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-3200 Mobile series	Intel Core i3-3200 Mobile Series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	L1	L1
Thermal Design Power (TDP)Differs	35 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	26	19
ECC supported by processor	No	No
Processor boost frequencyKnown for one	3.2 GHz	Unknown — not stated by the source
Memory2 differ
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsDiffers	2x SO-DIMM	1x SO-DIMM
Maximum internal memoryDiffers	16 GB	8 GB
Storage4 differ
Total storage capacityDiffers	500 GB	524 GB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	24 GB
SSD interfaceKnown for one	Unknown — not stated by the source	M.2
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	MMC, RS-MMC, SD, SDIO
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 750M	Not available
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)	1100 MHz	1100 MHz
On-board graphics card ID	0x166	0x166
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	Dolby Home Theater v4
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribe	No	No
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 802.11b, 802.11g
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Integrated 4G WiMAX	Yes	Yes
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Networking standardsKnown for one	IEEE 802.11b, IEEE 802.11g, IEEE 802.11n	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	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 quantityDiffers	1	0
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputsDiffers	1	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inDiffers	Yes	No
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
Headphone connectivity	3.5 mm	3.5 mm
Microphone connectivity	3.5 mm	3.5 mm
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Performance1 differ
Motherboard chipsetDiffers	Intel HM77 Express	Intel HM76 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Numeric keypad	No	No
Spill-resistant keyboard	Yes	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Island-style keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8 Pro	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 7 Professional	Unknown — not stated by the source
Processor special features4 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® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	72056	72057
Processor codeDiffers	SR0WX	SR0XF
Processor package size	31 x 24 (BGA1023)	31 x 24 (BGA1023)
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
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	6	4
Battery capacityKnown for one	Unknown — not stated by the source	46 Wh
Battery life (max)	6 h	6 h
Poweridentical
DC-in jack	Yes	Yes
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Securityidentical
Cable lock slot	Yes	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protectionKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.13 kg	1.78 kg
WidthDiffers	344 mm	333 mm
DepthDiffers	239 mm	224.8 mm
HeightKnown for one	Unknown — not stated by the source	20.3 mm
Height (front)Known for one	2.63 cm	Unknown — not stated by the source
Height (rear)Known for one	2.93 cm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Quick start guide	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Warranty cardKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
64-bit computingKnown for one	Unknown — not stated by the source	Yes
3DKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office, Small Business	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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