Product comparison · 2 laptops

Lenovo ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop vs Lenovo ThinkPad E550

162specifications compared
53differ
109identical
34known for one product only

Key differences

Product colour
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:Black
- ThinkPad E550:Black, Graphite
Display diagonal
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:35.6 cm (14")
- ThinkPad E550:39.6 cm (15.6")
Display resolution
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:1920 x 1080 pixels
- ThinkPad E550:1366 x 768 pixels
Display brightness
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:220 cd/m²
- ThinkPad E550:200 cd/m²
Processor family
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:Intel® Core™ i5
- ThinkPad E550:Intel® Core™ i3
Processor generation
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:5th gen Intel® Core™ i5
- ThinkPad E550:4th gen Intel® Core™ i3
Processor model
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:i5-5200U
- ThinkPad E550:i3-4005U
Processor frequency
- ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop:2.2 GHz
- ThinkPad E550:1.7 GHz

Side by side

Differences highlightedShow differences only

Comparison of E450, ThinkPad E550
196 specifications	A Lenovo ThinkPad E450 Intel® Core™ i5 i5-5200U Laptop Model E450 View product	B Lenovo ThinkPad E550 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Black, Graphite
Form factor	Clamshell	Clamshell
Housing material	Plastic	Plastic
Market positioning	Business	Business
Display3 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolutionDiffers	1920 x 1080 pixels	1366 x 768 pixels
Touchscreen	No	No
HD typeKnown for one	Full HD	Unknown — not stated by the source
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Matt	Unknown — not stated by the source
Display brightnessDiffers	220 cd/m²	200 cd/m²
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	5th gen Intel® Core™ i5	4th gen Intel® Core™ i3
Processor modelDiffers	i5-5200U	i3-4005U
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyKnown for one	2.7 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.2 GHz	1.7 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithographyDiffers	14 nm	22 nm
Processor operating modesDiffers	32-bit, 64-bit	64-bit
Processor seriesDiffers	Intel® Core™ i5-5200 Mobile Series	Intel® Core™ i3-4000 Mobile Series
Processor codenameDiffers	Broadwell	Haswell
Bus typeDiffers	DMI2	DMI
FSB Parity	No	No
SteppingKnown for one	F0	Unknown — not stated by the source
Thermal Design Power (TDP)	15 W	15 W
Configurable TDP-downKnown for one	7.5 W	Unknown — not stated by the source
Configurable TDP-down frequencyKnown for one	0.6 GHz	Unknown — not stated by the source
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	10
PCI Express configurationsDiffers	4x1, 2x4	4x1, 1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	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)	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
Graphics6 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 5500	Intel® HD Graphics 4400
Maximum on-board graphics card memoryDiffers	16 GB	2 GB
On-board graphics card base frequencyDiffers	300 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	900 MHz	950 MHz
On-board graphics card DirectX versionDiffers	11.2	12
On-board graphics card IDDiffers	0x1616	0xA16
Number of discrete graphics cards supportedKnown for one	1	Unknown — not stated by the source
Maximum resolution	1920 x 1080 pixels	1920 x 1080 pixels
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Audioidentical
Audio system	Dolby Advanced Audio v4	Dolby Advanced Audio v4
Number of built-in speakers	2	2
Speaker power	2 W	2 W
Built-in microphone	Yes	Yes
Speakers manufacturerKnown for one	Unknown — not stated by the source	JBL
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	No	Unknown — not stated by the source
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
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
Headphone outputsKnown for one	0	Unknown — not stated by the source
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	No	Unknown — not stated by the source
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
USB Sleep-and-Charge	Yes	Yes
USB Sleep-and-Charge ports	1	1
Docking connectorKnown for one	Unknown — not stated by the source	Yes
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
Performanceidentical
Motherboard chipsetKnown for one	Intel SoC	Unknown — not stated by the source
Keyboard1 differ
Pointing device	ThinkPad UltraNav	ThinkPad UltraNav
Numeric keypadDiffers	No	Yes
Spill-resistant keyboard	Yes	Yes
Windows keys	Yes	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Windows 8.1 Pro	Unknown — not stated by the source
Processor special features19 differ
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 lithographyKnown for one	14 nm	Unknown — not stated by the source
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	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage TechnologyDiffers	No	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionDiffers	1.00	0.00
Intel Smart Connect TechnologyDiffers	No	Yes
Intel Smart Response Technology versionDiffers	1.00	0.00
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)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	No	Unknown — not stated by the source
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® High Definition Audio (Intel® HD Audio)Differs	No	Yes
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® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® OS GuardKnown for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyDiffers	No	Yes
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Differs	Yes	No
Intel® Smart Response TechnologyDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Virtualization Technology (Intel® VT)Differs	VT-d, VT-x	VT-x
Processor ARK IDDiffers	85212	75105
Processor codeKnown for one	SR23Y	Unknown — not stated by the source
Processor package sizeDiffers	40 x 24 x 1.3 mm	40 x 24 x 1.5 mm
Supported instruction sets	AVX 2.0, SSE4.1, SSE4.2	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel ME Firmware VersionKnown for one	Unknown — not stated by the source	9.5
Intel Smart Connect Technology versionKnown for one	Unknown — not stated by the source	1.00
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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
UARTKnown for one	Unknown — not stated by the source	Yes
Battery1 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)	9 h	9 h
Poweridentical
AC adapter power	45 W	45 W
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
AC adapter input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Trusted Platform Module (TPM)	Yes	Yes
Password protection	Yes	Yes
Password protection type	HDD, Power on, Supervisor	HDD, Power on, Supervisor
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
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
ManualKnown for one	Yes	Unknown — not stated by the source
Power cord included	Yes	Yes
Other featuresidentical
Intel segment tagging	Home office, Small Business	Home office, Small Business

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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