Product comparison · 2 laptops

Lenovo Essential G770 vs Lenovo T520 Kit

134specifications compared
39differ
95identical
36known for one product only

Key differences

Display diagonal
- Essential G770:43.9 cm (17.3")
- T520 Kit:39.6 cm (15.6")
Processor family
- Essential G770:Intel® Core™ i5
- T520 Kit:Intel® Core™ i7
Processor generation
- Essential G770:2nd gen Intel® Core™ i5
- T520 Kit:2nd gen Intel® Core™ i7
Processor model
- Essential G770:i5-2410M
- T520 Kit:i7-2620M
Processor boost frequency
- Essential G770:2.9 GHz
- T520 Kit:3.4 GHz
Processor frequency
- Essential G770:2.3 GHz
- T520 Kit:2.7 GHz
Processor cache
- Essential G770:3 MB
- T520 Kit:4 MB
PCI Express configurations
- Essential G770:1x8, 1x16, 2x4, 2x8
- T520 Kit:1x16, 2x8, 1x8+2x4

Side by side

Differences highlightedShow differences only

Comparison of Essential G770, T520 Kit
170 specifications	A Lenovo Essential G770 View product	B Lenovo T520 Kit View product
Designidentical
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	43.9 cm (17.3")	39.6 cm (15.6")
Display resolution	1600 x 900 pixels	1600 x 900 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD type	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
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i7
Processor modelDiffers	i5-2410M	i7-2620M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.9 GHz	3.4 GHz
Processor frequencyDiffers	2.3 GHz	2.7 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	4 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 seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i7-2600 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 configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	23	27
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
Memory slots (available)Known for one	Unknown — not stated by the source	1
Storage4 differ
Total storage capacityDiffers	750 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	750 GB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive type	DVD Super Multi DL	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, xD	MMC, SD, SDHC, SDXC
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon HD 6650M	NVIDIA® NVS™ 4200M
Graphics card familyDiffers	AMD	Intel, NVIDIA
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)Differs	1200 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Number of discrete graphics cardsKnown for one	Unknown — not stated by the source	1
Audioidentical
Audio system	HD	HD
Number of built-in speakers	2	2
Speaker powerKnown for one	1.5 W	Unknown — not stated by the source
Built-in microphone	Yes	Yes
Cameraidentical
Front cameraKnown for one	Yes	Unknown — not stated by the source
Network3 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Fast Ethernet	Gigabit Ethernet
Wireless technology	Wi-Fi	Wi-Fi
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, 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
BluetoothDiffers	Yes	No
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	0
eSATA/USB 2.0 ports quantityDiffers	0	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
Combo headphone/mic portKnown for one	No	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connectorKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
TV-out	No	No
ExpressCard slotKnown for one	Unknown — not stated by the source	Yes
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Numeric keypadKnown for one	Unknown — not stated by the source	No
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Compatible operating systemsKnown for one	Windows 7	Unknown — not stated by the source
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
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	No	Yes
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	No	Yes
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)	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™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	52224	52231
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Processor codeKnown for one	Unknown — not stated by the source	SR041
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerDiffers	No	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Weight & dimensions5 differ
WeightDiffers	3 kg	2.52 kg
WidthDiffers	416 mm	373 mm
DepthDiffers	272 mm	245 mm
Height (front)Differs	3.61 cm	3.18 cm
Height (rear)Differs	4.49 cm	3.56 cm
Packaging contentidentical
AC adapter included	Yes	Yes
Cables includedKnown for one	AC	Unknown — not stated by the source
Other featuresidentical
Infrared data portKnown for one	No	Unknown — not stated by the source
3DKnown for one	No	Unknown — not stated by the source
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel QM65
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	9
Battery life (max)Known for one	Unknown — not stated by the source	12.8 h
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR

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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