Product comparison · 2 laptops

Lenovo Essential G770 vs Lenovo X121e + warranty extension

100specifications compared
31differ
69identical
68known for one product only

Key differences

Display diagonal
- Essential G770:43.9 cm (17.3")
- X121e + warranty extension:29.5 cm (11.6")
Display resolution
- Essential G770:1600 x 900 pixels
- X121e + warranty extension:1366 x 768 pixels
Processor family
- Essential G770:Intel® Core™ i5
- X121e + warranty extension:Intel® Core™ i3
Processor generation
- Essential G770:2nd gen Intel® Core™ i5
- X121e + warranty extension:2nd gen Intel® Core™ i3
Processor model
- Essential G770:i5-2410M
- X121e + warranty extension:i3-2357M
Processor frequency
- Essential G770:2.3 GHz
- X121e + warranty extension:1.3 GHz
Processor cache type
- Essential G770:Smart Cache
- X121e + warranty extension:L3
Thermal Design Power (TDP)
- Essential G770:35 W
- X121e + warranty extension:17 W

Side by side

Differences highlightedShow differences only

Comparison of Essential G770, X121e + warranty extension
168 specifications	A Lenovo Essential G770 View product	B Lenovo X121e + warranty extension View product
Designidentical
Product typeKnown for one	Laptop	Unknown — not stated by the source
Product colourKnown for one	Black	Unknown — not stated by the source
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display2 differ
Display diagonalDiffers	43.9 cm (17.3")	29.5 cm (11.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
TouchscreenKnown for one	No	Unknown — not stated by the source
HD typeKnown for one	HD+	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	200 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	300:1
Processor8 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	2nd gen Intel® Core™ i5	2nd gen Intel® Core™ i3
Processor modelDiffers	i5-2410M	i3-2357M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	2.9 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.3 GHz	1.3 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socketKnown for one	BGA 1023	Unknown — not stated by the source
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Core i3-2300 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
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)Differs	35 W	17 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8, 1x16, 2x4, 2x8	1x16, 1x8+2x4, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Known for one	23	Unknown — not stated by the source
ECC supported by processor	No	No
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
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage4 differ
Total storage capacityDiffers	750 GB	320 GB
Storage mediaKnown for one	HDD	Unknown — not stated by the source
Number of HDDs installed	1	1
HDD capacityKnown for one	750 GB	Unknown — not stated by the source
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeDiffers	DVD Super Multi DL	No
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
Graphics4 differ
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon HD 6650M	Intel® HD Graphics 3000
Graphics card familyDiffers	AMD	Intel
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card model	Intel® HD Graphics 3000	Intel® HD Graphics 3000
On-board graphics card base frequencyDiffers	650 MHz	350 MHz
On-board graphics card dynamic frequency (max)Differs	1200 MHz	950 MHz
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Number of discrete graphics cards installedKnown for one	1	Unknown — not stated by the source
Audio2 differ
Audio systemDiffers	HD	High Definition Audio
Number of built-in speakers	2	2
Speaker powerDiffers	1.5 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front cameraKnown for one	Yes	Unknown — not stated by the source
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Fast Ethernet	Gigabit Ethernet
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Cabling technologyKnown for one	10/100Base-T(X)	Unknown — not stated by the source
Integrated 4G WiMAX	Yes	Yes
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	1	Unknown — not stated by the source
eSATA/USB 2.0 ports quantityKnown for one	0	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
Combo headphone/mic portKnown for one	No	Unknown — not stated by the source
Microphone in	Yes	Yes
Docking connector	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
TV-out	No	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
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 features3 differ
Intel® Wireless Display (Intel® WiDi)Known for one	Yes	Unknown — not stated by the source
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based Switching	No	No
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 Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
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 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)Known for one	No	Unknown — not stated by the source
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™Known for one	No	Unknown — not stated by the source
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 TechnologyDiffers	2.0	No
Processor ARK IDKnown for one	52224	Unknown — not stated by the source
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	31 x 24 mm
Supported instruction sets	AVX	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processorDiffers	No	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint readerKnown for one	No	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	3 kg	1.55 kg
WidthDiffers	416 mm	289.6 mm
DepthDiffers	272 mm	208 mm
Height (front)Known for one	3.61 cm	Unknown — not stated by the source
Height (rear)Known for one	4.49 cm	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
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	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 typeKnown for one	AC	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® HM65 Express
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Known for one	Unknown — not stated by the source	9.3 h

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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