Product comparison · 2 laptops

Lenovo E420s + 0A33943 + 57Y4608 vs Lenovo IdeaPad M6639GE laptop Intel® Celeron® T3500

94specifications compared
51differ
43identical
64known for one product only

Key differences

Display diagonal
- E420s + 0A33943 + 57Y4608:35.6 cm (14")
- IdeaPad M6639GE laptop Intel® Celeron® T3500:39.6 cm (15.6")
Processor family
- E420s + 0A33943 + 57Y4608:Intel® Core™ i5
- IdeaPad M6639GE laptop Intel® Celeron® T3500:Intel® Celeron®
Processor model
- E420s + 0A33943 + 57Y4608:i5-2410M
- IdeaPad M6639GE laptop Intel® Celeron® T3500:T3500
Processor threads
- E420s + 0A33943 + 57Y4608:4
- IdeaPad M6639GE laptop Intel® Celeron® T3500:2
Processor frequency
- E420s + 0A33943 + 57Y4608:2.3 GHz
- IdeaPad M6639GE laptop Intel® Celeron® T3500:2.1 GHz
Processor cache
- E420s + 0A33943 + 57Y4608:3 MB
- IdeaPad M6639GE laptop Intel® Celeron® T3500:1 MB
Processor cache type
- E420s + 0A33943 + 57Y4608:Smart Cache
- IdeaPad M6639GE laptop Intel® Celeron® T3500:L2
Processor socket
- E420s + 0A33943 + 57Y4608:BGA 1023
- IdeaPad M6639GE laptop Intel® Celeron® T3500:Socket 478

Side by side

Differences highlightedShow differences only

Comparison of E420s + 0A33943 + 57Y4608, M6639GE
158 specifications	A Lenovo E420s + 0A33943 + 57Y4608 View product	B Lenovo IdeaPad M6639GE laptop Intel® Celeron® T3500 Model M6639GE View product
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Processor12 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Celeron®
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-2410M	T3500
Processor threadsDiffers	4	2
Processor boost frequencyKnown for one	2.9 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.3 GHz	2.1 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 socketDiffers	BGA 1023	Socket 478
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Celeron Processor T3000 Series for Mobile
Processor codenameDiffers	Sandy Bridge	Penryn
Bus typeDiffers	DMI	FSB
SteppingDiffers	J1	R0
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
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	410 M
Processing Die sizeKnown for one	Unknown — not stated by the source	107 mm²
Memory1 differ
Memory clock speedDiffers	1333 MHz	1066 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Storage2 differ
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD-RW	DVD Super Multi DL
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	Memory Stick (MS), MMC, MS PRO, SD, xD
Total storage capacityKnown for one	Unknown — not stated by the source	320 GB
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	320 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics1 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelDiffers	Intel® HD Graphics 3000	Intel® GMA X4500
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
Audioidentical
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Audio formats supportedKnown for one	Unknown — not stated by the source	AAC, MP3, WAV, WMA
Network1 differ
Mobile network connectionKnown for one	Yes	Unknown — not stated by the source
Mobile network generationKnown for one	3G	Unknown — not stated by the source
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	3
eSATA/USB 2.0 ports quantityDiffers	1	0
HDMI ports quantityDiffers	1	0
ExpressCard slotDiffers	No	Yes
SmartCard slotDiffers	Yes	No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installedKnown for one	Windows 7 Professional	Unknown — not stated by the source
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features19 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Execute Disable BitDiffers	Yes	No
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 64Differs	Yes	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	52224	42104
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 TechnologiesDiffers	Yes	No
Processor codeKnown for one	Unknown — not stated by the source	SLGJV
Battery2 differ
Number of battery cellsDiffers	4	6
Battery life (max)Differs	7 h	3.5 h
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.88 kg	2.6 kg
WidthDiffers	349 mm	376.8 mm
DepthDiffers	236 mm	249.8 mm
Height (front)Differs	2.31 cm	1.73 cm
Height (rear)Differs	3.12 cm	3.49 cm
Other featuresidentical
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Housing materialKnown for one	Unknown — not stated by the source	Plastic
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® GM45 Express
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	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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