Product comparison · 2 laptops

Lenovo ThinkPad Edge E520 Intel® Core™ i3 i3-2310M vs Lenovo ThinkPad T420i Intel® Core™ i3 i3-2310M

124specifications compared
13differ
111identical
17known for one product only

Key differences

Display diagonal
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:39.6 cm (15.6")
- ThinkPad T420i Intel® Core™ i3 i3-2310M:35.6 cm (14")
Total storage capacity
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:500 GB
- ThinkPad T420i Intel® Core™ i3 i3-2310M:320 GB
HDMI ports quantity
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:1
- ThinkPad T420i Intel® Core™ i3 i3-2310M:0
DisplayPorts quantity
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:0
- ThinkPad T420i Intel® Core™ i3 i3-2310M:1
Motherboard chipset
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:Intel QM65
- ThinkPad T420i Intel® Core™ i3 i3-2310M:Intel® QM67 Express
Full-size keyboard
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:Yes
- ThinkPad T420i Intel® Core™ i3 i3-2310M:No
Cable lock slot
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:Yes
- ThinkPad T420i Intel® Core™ i3 i3-2310M:No
Weight
- ThinkPad Edge E520 Intel® Core™ i3 i3-2310M:2.4 kg
- ThinkPad T420i Intel® Core™ i3 i3-2310M:2.24 kg

Side by side

Differences highlightedShow differences only

Comparison of E520, T420i
141 specifications	A Lenovo ThinkPad Edge E520 Intel® Core™ i3 i3-2310M Model E520 View product	B Lenovo ThinkPad T420i Intel® Core™ i3 i3-2310M Model T420i View product
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generation	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i3
Processor model	i3-2310M	i3-2310M
Processor cores	2	2
Processor threads	4	4
Processor frequency	2.1 GHz	2.1 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1023	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i3-2300 Mobile Series	Intel Core i3-2300 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
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)	21	21
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
Storage1 differ
Total storage capacityDiffers	500 GB	320 GB
Number of HDDs installed	1	1
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Optical drive type	DVD-RW	DVD-RW
Card reader integratedKnown for one	Yes	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	Unknown — not stated by the source
Graphicsidentical
On-board graphics card	Yes	Yes
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)	1100 MHz	1100 MHz
On-board graphics card ID	0x116	0x116
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Audioidentical
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ethernet LAN	Yes	Yes
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces2 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	0	0
eSATA/USB 2.0 ports quantity	1	1
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 quantityDiffers	1	0
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 quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connector	No	No
ExpressCard slotKnown for one	Yes	Unknown — not stated by the source
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotKnown for one	No	Unknown — not stated by the source
TV-out	No	No
Performance1 differ
Motherboard chipsetDiffers	Intel QM65	Intel® QM67 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Full-size keyboardDiffers	Yes	No
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special featuresidentical
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 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)	No	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® Turbo Boost Technology	No	No
Processor ARK ID	52220	52220
Processor code	SR04S	SR04S
Processor package size	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 xrPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
CertificationKnown for one	EPEAT Gold, RoHS	Unknown — not stated by the source
Wi-Fi certifiedKnown for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Sustainability certificates	ENERGY STAR	ENERGY STAR
Weight & dimensions5 differ
WeightDiffers	2.4 kg	2.24 kg
WidthDiffers	375 mm	340 mm
DepthDiffers	245 mm	229.8 mm
Height (front)Differs	2.8 cm	2.99 cm
Height (rear)Differs	3.3 cm	3.04 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Other features1 differ
Infrared data port	No	No
Compliance industry standardsDiffers	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3/802.3u/802.3ab
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Intel segment tagging	Home office, Small Business	Home office, Small Business
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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