Product comparison · 2 laptops

Lenovo ThinkPad E455 vs Lenovo ThinkPad E550

97specifications compared
23differ
74identical
82known for one product only

Key differences

Display diagonal
- ThinkPad E455:35.6 cm (14")
- ThinkPad E550:39.6 cm (15.6")
Processor manufacturer
- ThinkPad E455:AMD
- ThinkPad E550:Intel
Processor family
- ThinkPad E455:AMD A6
- ThinkPad E550:Intel® Core™ i3
Processor model
- ThinkPad E455:A6-7000
- ThinkPad E550:i3-4005U
Processor threads
- ThinkPad E455:2
- ThinkPad E550:4
Processor frequency
- ThinkPad E455:2.2 GHz
- ThinkPad E550:1.7 GHz
Processor cache
- ThinkPad E455:1 MB
- ThinkPad E550:3 MB
Processor cache type
- ThinkPad E455:L2
- ThinkPad E550:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad E455, ThinkPad E550
179 specifications	A Lenovo ThinkPad E455 View product	B Lenovo ThinkPad E550 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black, Graphite	Black, Graphite
Form factor	Clamshell	Clamshell
Housing material	Plastic	Plastic
Market positioning	Business	Business
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightness	200 cd/m²	200 cd/m²
Processor7 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD A6	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i3
Processor modelDiffers	A6-7000	i3-4005U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.2 GHz	1.7 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	1 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	BGA 1168
Processor lithographyKnown for one	Unknown — not stated by the source	22 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel® Core™ i3-4000 Mobile Series
Processor codenameKnown for one	Unknown — not stated by the source	Haswell
Bus typeKnown for one	Unknown — not stated by the source	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	15 W
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	10
PCI Express configurationsKnown for one	Unknown — not stated by the source	4x1, 1x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Processor boost frequencyKnown for one	3 GHz	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factor	SO-DIMM	SO-DIMM
Memory layout (slots x size)Differs	1 x 4 GB	1 x 8 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	16 GB	16 GB
Maximum internal memory (64-bit)	16 GB	16 GB
Storage2 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA III	SATA III
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	2.5"	2.5"
Optical drive typeDiffers	No	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	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card familyDiffers	AMD Radeon R4	Intel® HD Graphics
On-board graphics card modelDiffers	AMD Radeon R4	Intel® HD Graphics 4400
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	200 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	950 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	12
On-board graphics card IDKnown for one	Unknown — not stated by the source	0xA16
Maximum resolution	1920 x 1080 pixels	1920 x 1080 pixels
Graphics card Open GL support	Yes	Yes
Audioidentical
Audio system	Dolby Advanced Audio v4	Dolby Advanced Audio v4
Number of built-in speakers	2	2
Speakers manufacturerKnown for one	Unknown — not stated by the source	JBL
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11a, Wi-Fi 5 (802.11ac), 802.11b, 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
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantity	1	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	0	1
Thunderbolt ports quantity	0	0
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Docking connector	Yes	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectorsKnown for one	Unknown — not stated by the source	2
Number of SATA III connectorsKnown for one	Unknown — not stated by the source	2
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Island-style keyboard	Yes	Yes
Spill-resistant keyboard	Yes	Yes
Windows keys	Yes	Yes
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)Known for one	Unknown — not stated by the source	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Small Business Advantage (SBA) versionKnown for one	Unknown — not stated by the source	0.00
Intel Smart Connect TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	0.00
Intel TSX-NIKnown for one	Unknown — not stated by the source	No
Intel TSX-NI versionKnown for one	Unknown — not stated by the source	0.00
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® High Definition Audio (Intel® HD Audio)Known for one	Unknown — not stated by the source	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Insider™Known for one	Unknown — not stated by the source	Yes
Intel® Matrix Storage Technology (Intel® MST)Known for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Rapid Start TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-x
Processor ARK IDKnown for one	Unknown — not stated by the source	75105
Processor package sizeKnown for one	Unknown — not stated by the source	40 x 24 x 1.5 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	Yes
Battery2 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityDiffers	47 Wh	48 Wh
Battery life (max)Differs	6.5 h	9 h
Poweridentical
AC adapter power	45 W	45 W
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protection	Yes	Yes
Password protection type	HDD, Power on, Supervisor	HDD, Power on, Supervisor
Certificatesidentical
Compliance certificates	RoHS	RoHS
Sustainabilityidentical
Sustainability certificates	EPEAT Gold, ENERGY STAR	EPEAT Gold, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	1.81 kg	2.35 kg
WidthDiffers	339 mm	377 mm
DepthDiffers	239 mm	256 mm
HeightDiffers	24 mm	27 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Power cord included	Yes	Yes
Other featuresidentical
Intel segment tagging	Home office, Small Business	Home office, Small Business
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	AMD A76M FCH	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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