Product comparison · 2 laptops

Lenovo ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop vs Lenovo ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop

156specifications compared
32differ
124identical
15known for one product only

Key differences

Display diagonal
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:35.6 cm (14")
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:39.6 cm (15.6")
Processor family
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:Intel® Core™ i3
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:Intel® Core™ i7
Processor generation
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:3rd gen Intel® Core™ i3
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:3rd gen Intel® Core™ i7
Processor model
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:i3-3120M
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:i7-3632QM
Processor cores
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:2
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:4
Processor threads
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:4
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:8
Processor frequency
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:2.5 GHz
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:2.2 GHz
Processor cache
- ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop:3 MB
- ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop:6 MB

Side by side

Differences highlightedShow differences only

Comparison of E431, E531
171 specifications	A Lenovo ThinkPad Edge E431 Intel® Core™ i3 i3-3120M Laptop Model E431 View product	B Lenovo ThinkPad Edge E531 Intel® Core™ i7 i7-3632QM Laptop Model E531 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	35.6 cm (14")	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
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	3rd gen Intel® Core™ i3	3rd gen Intel® Core™ i7
Processor modelDiffers	i3-3120M	i7-3632QM
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.2 GHz
Processor frequencyDiffers	2.5 GHz	2.2 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	Socket 1224
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-3100 Mobile Series	Intel Core i7-3600 Mobile series
Processor codename	Ivy Bridge	Ivy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Thermal Design Power (TDP)	35 W	35 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	2.0	3.0
CPU multiplier (bus/core ratio)Differs	25	22
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
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Storage5 differ
Total storage capacityDiffers	320 GB	1 TB
Storage mediaDiffers	HDD	HDD+SSD
Number of HDDs installed	1	1
HDD capacityDiffers	320 GB	1 TB
HDD interfaceDiffers	SATA	SATA II
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
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 740M
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 frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1150 MHz
On-board graphics card ID	0x166	0x166
Audioidentical
Audio system	HD	HD
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 resolution (numeric)	1 MP	1 MP
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Swivel webcam	No	No
Optical driveidentical
LightScribe	No	No
Networkidentical
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 rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	1
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
Mini DisplayPorts quantityDiffers	1	0
DVI port	No	No
Mini DisplayPort/Thunderbolt combo port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Mini HDMI ports quantity	0	0
Micro HDMI ports quantity	0	0
LAN/VGA combo port	No	No
Mini VGA ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Combo headphone/mic port	No	No
Line-in	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	Yes	Yes
Headphone connectivity	3.5 mm	3.5 mm
Microphone connectivity	3.5 mm	3.5 mm
Modem (RJ-11) ports	0	0
Serial ports quantity	0	0
Performance1 differ
Motherboard chipsetDiffers	Intel HM76 Express	Intel HM77 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating system	Windows 8 Pro	Windows 8 Pro
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 Secure Key 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)Differs	No	Yes
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)Differs	Yes	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® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)	Yes	Yes
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	71465	71458
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityKnown for one	Unknown — not stated by the source	48 Wh
Poweridentical
AC adapter frequency	50 - 60 Hz	50 - 60 Hz
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot type	Kensington	Kensington
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Weight & dimensions3 differ
WeightDiffers	2.14 kg	2.44 kg
WidthDiffers	344 mm	377 mm
DepthDiffers	239 mm	250 mm
Height	25 mm	25 mm
Other featuresidentical
Intel segment tagging	Home office, Small Business	Home office, Small Business
Packaging contentidentical
AC adapter includedKnown for one	Yes	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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