Product comparison · 2 laptops

Lenovo ThinkPad E555 vs Lenovo ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation

93specifications compared
48differ
45identical
96known for one product only

Key differences

Product type
- ThinkPad E555:Laptop
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:Mobile workstation
Display resolution
- ThinkPad E555:1366 x 768 pixels
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:1920 x 1080 pixels
Processor manufacturer
- ThinkPad E555:AMD
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:Intel
Processor family
- ThinkPad E555:AMD A6
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:Intel® Core™ i7
Processor model
- ThinkPad E555:A6-7000
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:i7-5500U
Processor threads
- ThinkPad E555:2
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:4
Processor frequency
- ThinkPad E555:2.2 GHz
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:2.4 GHz
Processor cache
- ThinkPad E555:1 MB
- ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation:4 MB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad E555, W550s
189 specifications	A Lenovo ThinkPad E555 View product	B Lenovo ThinkPad W550s Intel® Core™ i7 i7-5500U Mobile workstation Model W550s View product
Design1 differ
Product typeDiffers	Laptop	Mobile workstation
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Business	Unknown — not stated by the source
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeKnown for one	Unknown — not stated by the source	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Processor7 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD A6	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	5th gen Intel® Core™ i7
Processor modelDiffers	A6-7000	i7-5500U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequency	3 GHz	3 GHz
Processor frequencyDiffers	2.2 GHz	2.4 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	1 MB	4 MB
Processor cache typeDiffers	L2	L3
Processor socketKnown for one	Unknown — not stated by the source	BGA 1168
Processor lithographyKnown for one	Unknown — not stated by the source	14 nm
Processor operating modesKnown for one	Unknown — not stated by the source	32-bit, 64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i7-5500 Mobile Series
Processor codenameKnown for one	Unknown — not stated by the source	Broadwell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	F0
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	15 W
Configurable TDP-downKnown for one	Unknown — not stated by the source	7.5 W
Configurable TDP-down frequencyKnown for one	Unknown — not stated by the source	0.6 GHz
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	12
PCI Express configurationsKnown for one	Unknown — not stated by the source	4x1, 2x4
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
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)Known for one	16 GB	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	500 GB	256 GB
Storage mediaDiffers	HDD	SSD
Number of SSDs installedKnown for one	Unknown — not stated by the source	1
SSD capacityKnown for one	Unknown — not stated by the source	256 GB
SSD interfaceKnown for one	Unknown — not stated by the source	SATA III
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD, SDHC, SDXC	MMC, SD, SDHC, SDXC
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	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
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Graphics4 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® Quadro® K620M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card familyDiffers	AMD Radeon R4	Intel® HD Graphics
On-board graphics card modelDiffers	AMD Radeon R4	Intel® HD Graphics 5500
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	16 GB
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	300 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	11.2
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x1616
Audio1 differ
Audio systemDiffers	Dolby Advanced	HD
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network2 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardDiffers	Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac)
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
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
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
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
USB Sleep-and-ChargeKnown for one	Unknown — not stated by the source	Yes
USB Sleep-and-Charge portsKnown for one	Unknown — not stated by the source	1
Keyboardidentical
Numeric keypad	Yes	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Full-size keyboard	Yes	Yes
Windows keys	Yes	Yes
Pointing deviceKnown for one	Clickpad	Unknown — not stated by the source
Software1 differ
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemDiffers	Windows 8.1	Windows 8.1 Pro
Processor special features12 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	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
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	14 nm
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 TechnologyDiffers	No	Yes
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	Yes
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
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	1.00
Intel Smart Response Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Stable Image Platform Program (SIPP)Known for one	Unknown — not stated by the source	No
Intel Stable Image Platform Program (SIPP) 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	Yes
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® OS GuardKnown for one	Unknown — not stated by the source	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)Known for one	Unknown — not stated by the source	VT-d, VT-x
Processor ARK IDKnown for one	Unknown — not stated by the source	85214
Processor codeKnown for one	Unknown — not stated by the source	SR23W
Processor package sizeKnown for one	Unknown — not stated by the source	40 x 24 x 1.3 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
Conflict-Free processorKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	No	Unknown — not stated by the source
Intel® Matrix Storage Technology (Intel® MST)Known for one	No	Unknown — not stated by the source
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Battery2 differ
Number of battery cellsDiffers	6	3+6
Battery life (max)Differs	6.3 h	21.8 h
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Battery capacityKnown for one	48 Wh	Unknown — not stated by the source
Power1 differ
AC adapter powerDiffers	45 W	65 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Trusted Platform Module (TPM)Known for one	Unknown — not stated by the source	Yes
Password protectionKnown for one	Unknown — not stated by the source	Yes
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Power on, Supervisor
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Silver, ENERGY STAR
Weight & dimensions4 differ
WeightDiffers	2.35 kg	2.32 kg
WidthDiffers	377 mm	380.6 mm
DepthDiffers	256 mm	258.2 mm
HeightDiffers	27 mm	23.3 mm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Intel segment taggingDiffers	Home office, Small Business	Professional
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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