Product comparison · 2 laptops

Lenovo ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M vs Lenovo L520 + 433610W

129specifications compared
43differ
86identical
56known for one product only

Key differences

Display diagonal
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:35.6 cm (14")
- L520 + 433610W:39.6 cm (15.6")
Display resolution
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:1366 x 768 pixels
- L520 + 433610W:1600 x 900 pixels
HD type
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:HD
- L520 + 433610W:HD+
Processor family
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:Intel® Core™ i7
- L520 + 433610W:Intel® Core™ i5
Processor generation
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:2nd gen Intel® Core™ i7
- L520 + 433610W:2nd gen Intel® Core™ i5
Processor model
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:i7-2640M
- L520 + 433610W:i5-2450M
Processor boost frequency
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:3.5 GHz
- L520 + 433610W:3.1 GHz
Processor frequency
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:2.8 GHz
- L520 + 433610W:2.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of E420s+04W7485, L520 + 433610W
185 specifications	A Lenovo ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M Model E420s+04W7485 View product	B Lenovo L520 + 433610W 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
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeDiffers	HD	HD+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i7	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i5
Processor modelDiffers	i7-2640M	i5-2450M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	3.5 GHz	3.1 GHz
Processor frequencyDiffers	2.8 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	4 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i7-2600 Mobile Series	Intel Core i5-2400 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Stepping	J1	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	100 C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	28	25
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage4 differ
Total storage capacityDiffers	128 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of HDDs installedDiffers	0	1
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	128 GB	Unknown — not stated by the source
SSD interfaceKnown for one	Micro SATA	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	AMD Radeon HD 6630M	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Graphics card familyDiffers	AMD, Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1300 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Number of discrete graphics cardsKnown for one	1	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	High Definition Audio
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Cameraidentical
Swivel webcamKnown for one	No	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
LabelflashKnown for one	No	Unknown — not stated by the source
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Wi-Fi data rate (max)Known for one	150 Mbit/s	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
WWANKnown for one	Installed	Unknown — not stated by the source
Network connection typeKnown for one	RJ-45	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Ports & interfaces5 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 quantityDiffers	0	1
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 quantityKnown for one	1	Unknown — not stated by the source
HDMI versionKnown for one	1.4	Unknown — not stated by the source
DisplayPorts quantityDiffers	0	1
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 outputsDiffers	0	1
S/PDIF out port	No	No
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
Microphone inDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
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
Docking connectorKnown for one	Unknown — not stated by the source	Yes
Performance1 differ
Motherboard chipsetDiffers	Intel® QM67 Express	Intel® HM65 Express
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypad	No	No
Spill-resistant keyboardKnown for one	Yes	Unknown — not stated by the source
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Keyboard layoutKnown for one	Unknown — not stated by the source	AZERTY
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
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	32 nm	32 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 TechnologyDiffers	Yes	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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	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)	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® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	53464	53452
Processor codeDiffers	SR03R	SR04Z
Processor package sizeDiffers	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsDiffers	4	6
Battery capacityKnown for one	48.8 Wh	Unknown — not stated by the source
Battery life (max)Differs	7.33 h	6.6 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
Fingerprint reader	Yes	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.88 kg	2.61 kg
WidthDiffers	349 mm	380 mm
DepthDiffers	23 mm	247 mm
Height (front)Differs	2.31 cm	3.2 cm
Height (rear)Differs	3.12 cm	3.6 cm
Width (imperial)Known for one	34.8 cm (13.7")	Unknown — not stated by the source
Depth (imperial)Known for one	23.6 cm (9.3")	Unknown — not stated by the source
Height (front) (imperial)Known for one	2.29 cm (0.9")	Unknown — not stated by the source
Height (rear) (imperial)Known for one	3.05 cm (1.2")	Unknown — not stated by the source
Videoidentical
HD-ReadyKnown for one	Yes	Unknown — not stated by the source
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
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Volume controlKnown for one	Digital	Unknown — not stated by the source
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Intel segment tagging	Home office, Small Business	Home office, Small Business
Supplied AC adapter typeKnown for one	AC	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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