Product comparison · 2 laptops

Lenovo ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M vs Lenovo T420s Win8 CH

143specifications compared
27differ
116identical
49known for one product only

Key differences

Display resolution
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:1366 x 768 pixels
- T420s Win8 CH:1600 x 900 pixels
HD type
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:HD
- T420s Win8 CH:HD+
Maximum internal memory
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:8 GB
- T420s Win8 CH:16 GB
Total storage capacity
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:128 GB
- T420s Win8 CH:160 GB
Number of HDDs installed
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:0
- T420s Win8 CH:1
SSD capacity
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:128 GB
- T420s Win8 CH:160 GB
SSD interface
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:Micro SATA
- T420s Win8 CH:SATA II
Optical drive type
- ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M:DVD Super Multi
- T420s Win8 CH:DVD±RW

Side by side

Differences highlightedShow differences only

Comparison of E420s+04W7485, T420s Win8 CH
192 specifications	A Lenovo ThinkPad Edge E420s+04W7485 Intel® Core™ i7 i7-2640M Model E420s+04W7485 View product	B Lenovo T420s Win8 CH View product
Designidentical
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display2 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
Touchscreen	No	No
HD typeDiffers	HD	HD+
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i7	Intel® Core™ i7
Processor generation	2nd gen Intel® Core™ i7	2nd gen Intel® Core™ i7
Processor model	i7-2640M	i7-2640M
Processor cores	2	2
Processor threads	4	4
Processor boost frequency	3.5 GHz	3.5 GHz
Processor frequency	2.8 GHz	2.8 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i7-2600 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 configurations	1x16, 2x8	1x16, 2x8
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)	28	28
ECC supported by processor	No	No
L3 cacheKnown for one	Unknown — not stated by the source	4 MB
L2 cacheKnown for one	Unknown — not stated by the source	0.512 MB
Memory1 differ
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 memoryDiffers	8 GB	16 GB
Storage5 differ
Total storage capacityDiffers	128 GB	160 GB
Storage media	SSD	SSD
Number of HDDs installedDiffers	0	1
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityDiffers	128 GB	160 GB
SSD interfaceDiffers	Micro SATA	SATA II
Optical drive typeDiffers	DVD Super Multi	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	AMD Radeon HD 6630M	NVIDIA® NVS™ 4200M
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
Graphics card familyDiffers	AMD, Intel	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)	1300 MHz	1300 MHz
On-board graphics card ID	0x116	0x116
Number of discrete graphics cards	1	1
Discrete graphics memory typeKnown for one	Unknown — not stated by the source	GDDR3
Audio1 differ
Audio systemDiffers	Dolby Home Theater v4	HD
Built-in speaker(s)Known for one	Yes	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Built-in microphone	Yes	Yes
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)	802.11a, 802.11b, 802.11g
Wi-Fi data rate (max)Known for one	150 Mbit/s	Unknown — not stated by the source
Ethernet LAN	Yes	Yes
BluetoothDiffers	No	Yes
WWAN	Installed	Installed
Network connection typeKnown for one	RJ-45	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
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
LAN controllerKnown for one	Unknown — not stated by the source	Intel® 82579LM
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	1
eSATA/USB 2.0 ports quantity	0	0
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
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) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone in	No	No
ExpressCard slot	No	No
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
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipset	Intel® QM67 Express	Intel® QM67 Express
Keyboardidentical
Pointing device	Touchpad	Touchpad
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	QWERTZ
Keyboard languageKnown for one	Unknown — not stated by the source	German
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 8 Pro
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	Yes	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)	Yes	Yes
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 ID	53464	53464
Processor code	SR03R	SR03R
Processor package size	37.5 x 37.5 (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
Battery3 differ
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsDiffers	4	6
Battery capacityDiffers	48.8 Wh	44 Wh
Battery life (max)Differs	7.33 h	4.7 h
Poweridentical
Power auto-sensingKnown for one	Yes	Unknown — not stated by the source
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
Security1 differ
Cable lock slotDiffers	No	Yes
Fingerprint reader	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Sustainabilityidentical
Sustainability certificatesKnown for one	EPEAT Gold, ENERGY STAR	Unknown — not stated by the source
Weight & dimensions5 differ
WeightDiffers	1.88 kg	1.75 kg
WidthDiffers	349 mm	343 mm
DepthDiffers	23 mm	231 mm
Height (front)Differs	2.31 cm	2.2 cm
Height (rear)Differs	3.12 cm	2.6 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 included	Yes	Yes
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
Internal modemKnown for one	Unknown — not stated by the source	No

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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