Product comparison · 2 laptops

ASUS K52F-EX870V laptop Intel® Core™ i5 i5-480M vs Lenovo ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop

119specifications compared
63differ
56identical
56known for one product only

Key differences

Product colour
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:Black, Brown
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:Black
Display diagonal
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:39.6 cm (15.6")
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:35.6 cm (14")
Display resolution
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:1366 x 768 pixels
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:1600 x 900 pixels
Processor family
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:Intel® Core™ i5
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:Intel® Core™ i7
Processor generation
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:4th gen Intel® Core™ i5
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:2nd gen Intel® Core™ i7
Processor model
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:i5-480M
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:i7-2620M
Processor boost frequency
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:2.93 GHz
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:3.4 GHz
Processor frequency
- K52F-EX870V laptop Intel® Core™ i5 i5-480M:2.66 GHz
- ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop:2.7 GHz

Side by side

Differences highlightedShow differences only

Comparison of K52F-EX870V, T420s
175 specifications	A ASUS K52F-EX870V laptop Intel® Core™ i5 i5-480M Model K52F-EX870V View product	B Lenovo ThinkPad T420s Intel® Core™ i7 i7-2620M Laptop Model T420s View product
Design1 differ
Product typeKnown for one	Unknown — not stated by the source	Laptop
Product colourDiffers	Black, Brown	Black
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
HD typeKnown for one	Unknown — not stated by the source	HD+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	300:1
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	2nd gen Intel® Core™ i7
Processor modelDiffers	i5-480M	i7-2620M
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.93 GHz	3.4 GHz
Processor frequencyDiffers	2.66 GHz	2.7 GHz
System bus rateDiffers	2.5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	Unknown — not stated by the source	4 MB
L2 cacheKnown for one	Unknown — not stated by the source	4 MB
Processor socketDiffers	BGA 1288	BGA 1023
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Core i7-2600 Mobile Series
Processor codenameDiffers	Arrandale	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	K0	J1
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x16	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	20	27
ECC supported by processor	No	No
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	3 GB	4 GB
Memory clock speedDiffers	1066 MHz	1333 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Internal memory typeKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory layout (slots x size)Known for one	1 x 1 + 1 x 2 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	500 GB	160 GB
HDD capacityKnown for one	Unknown — not stated by the source	160 GB
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® HD Graphics	NVIDIA® Quadro® NVS 4200M
Graphics card familyDiffers	Intel	NVIDIA
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
On-board graphics card base frequencyDiffers	500 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	766 MHz	1300 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x116
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.001 GB
Maximum resolutionKnown for one	Unknown — not stated by the source	1600 x 900 pixels
Audio1 differ
Audio systemDiffers	SRS PS	High Definition Audio
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Audio includedKnown for one	Unknown — not stated by the source	Mute Button, Speakers (integrated)
Speakers manufacturerKnown for one	Altec Lansing	Unknown — not stated by the source
Network2 differ
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technologyDiffers	Wi-Fi	LAN; WWAN
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Bluetooth versionDiffers	2.0+EDR	3.0+HS
Integrated 4G WiMAXKnown for one	Unknown — not stated by the source	Yes
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantityDiffers	0	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
TV-out	No	No
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
HDMI ports quantityKnown for one	1	Unknown — not stated by the source
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
Performance1 differ
Motherboard chipsetDiffers	Intel® HM55 Express	Intel® QM67 Express
Keyboard1 differ
Pointing deviceDiffers	Trackpad	ThinkPad UltraNav
Keyboard typeKnown for one	Unknown — not stated by the source	7-row with Trackpoint
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features17 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyDiffers	45 nm	32 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	Yes	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 versionKnown for one	Unknown — not stated by the source	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)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	2.0
Processor ARK IDDiffers	52952	52231
Processor codeDiffers	SLC26	SR041
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	37.5 x 37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.1, SSE4.2	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	5.5 h
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	65 W	90 W
DC-in jack	Yes	Yes
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
AC adapter output currentKnown for one	3.42 A	Unknown — not stated by the source
AC adapter output voltageKnown for one	19 V	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions5 differ
WeightDiffers	2.62 kg	1.67 kg
WidthDiffers	380 mm	343 mm
DepthDiffers	255 mm	230.1 mm
HeightKnown for one	Unknown — not stated by the source	21.2 mm
Height (front)Differs	3.45 cm	2.12 cm
Height (rear)Differs	3.57 cm	2.6 cm
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	Client Security Solution, Hard disk drive password, Power-on password, Security lock slot, Supervisor password Fingerprint Reader
Infrared data port	No	No
Battery typeKnown for one	Unknown — not stated by the source	6 Cell Lithium-Ion
Modem typeKnown for one	Unknown — not stated by the source	No
Intel segment taggingKnown for one	Unknown — not stated by the source	Home office, Small Business
Manageability featuresKnown for one	Unknown — not stated by the source	Client Security Solution, ThinkVantage Access Connections, ThinkVantage Active Protection System, ThinkVantage Rescue and Recovery
Drive baysKnown for one	Unknown — not stated by the source	Ultrabay Enhanced
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Supplied AC adapter typeKnown for one	AC	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	0.3 MP	Unknown — not stated by the source
Packaging contentidentical
AC adapter includedKnown for one	Yes	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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