Product comparison · 2 laptops

Lenovo Edge E420 vs Lenovo ThinkPad X121e E-350

49specifications compared
21differ
28identical
122known for one product only

Key differences

Display diagonal
- Edge E420:35.6 cm (14")
- ThinkPad X121e E-350:29.5 cm (11.6")
Processor model
- Edge E420:i5-2410M
- ThinkPad X121e E-350:E-350
Processor frequency
- Edge E420:2.3 GHz
- ThinkPad X121e E-350:1.6 GHz
Processor cache
- Edge E420:3 MB
- ThinkPad X121e E-350:1 MB
Processor cache type
- Edge E420:Smart Cache
- ThinkPad X121e E-350:L2
Total storage capacity
- Edge E420:500 GB
- ThinkPad X121e E-350:320 GB
HDD speed
- Edge E420:5400 RPM
- ThinkPad X121e E-350:7200 RPM
Optical drive type
- Edge E420:DVD-RW
- ThinkPad X121e E-350:No

Side by side

Differences highlightedShow differences only

Comparison of Edge E420, X121e
171 specifications	A Lenovo Edge E420 View product	B Lenovo ThinkPad X121e E-350 Model X121e View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	35.6 cm (14")	29.5 cm (11.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor4 differ
Processor manufacturerKnown for one	Intel	Unknown — not stated by the source
Processor familyKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-2410M	E-350
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.9 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.3 GHz	1.6 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	1 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketKnown for one	BGA 1023	Unknown — not stated by the source
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-2400 Mobile Series	Unknown — not stated by the source
Processor codenameKnown for one	Sandy Bridge	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	J1	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	35 W	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x8, 1x16, 2x4, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	23	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Maximum internal memory	8 GB	8 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage4 differ
Total storage capacityDiffers	500 GB	320 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, MS PRO, SD, SDHC, xD	Memory Stick (MS), MMC, MS PRO, SD
Graphics1 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Graphics card familyDiffers	Intel	AMD
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics 3000	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1200 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	AMD Radeon HD 6310M
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Cameraidentical
Swivel webcamKnown for one	No	Unknown — not stated by the source
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wi-Fi standardsKnown for one	802.11a, 802.11g, Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
WWANKnown for one	Not installed	Unknown — not stated by the source
Data networkKnown for one	Not supported	Unknown — not stated by the source
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
4G WiMAXKnown for one	No	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
Headphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
Microphone connectivityKnown for one	3.5 mm	Unknown — not stated by the source
TV-out	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel QM65	AMD A50M
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadKnown for one	No	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Yes	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	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
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	2.0	Unknown — not stated by the source
Processor ARK IDKnown for one	52224	Unknown — not stated by the source
Processor package sizeKnown for one	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Battery1 differ
Number of battery cells	6	6
Battery capacityKnown for one	2200 mAh	Unknown — not stated by the source
Battery life (max)Differs	6 h	8.2 h
Poweridentical
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Certificatesidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.1 kg	1.4 kg
WidthDiffers	339 mm	289.6 mm
DepthDiffers	230 mm	208 mm
Height (front)Known for one	2.8 cm	Unknown — not stated by the source
Height (rear)Known for one	3.3 cm	Unknown — not stated by the source
Width (imperial)Known for one	33.9 cm (13.3")	Unknown — not stated by the source
Depth (imperial)Known for one	23 cm (9.05")	Unknown — not stated by the source
Height (imperial)Known for one	2.79 cm (1.1")	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	23.5 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Cables includedKnown for one	AC	Unknown — not stated by the source
ManualKnown for one	Yes	Unknown — not stated by the source
Quick start guideKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
3DKnown for one	No	Unknown — not stated by the source
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Internal modemKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Supplied AC adapter type	AC	AC

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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