Product comparison · 2 laptops

Lenovo Essential B50-70 Intel® Core™ i3 i3-4010U Laptop vs Lenovo X1 Carbon (2 Gen)

131specifications compared
44differ
87identical
63known for one product only

Key differences

Market positioning
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:Business
- X1 Carbon (2 Gen):Premium
Display diagonal
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:39.6 cm (15.6")
- X1 Carbon (2 Gen):35.6 cm (14")
Display resolution
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:1366 x 768 pixels
- X1 Carbon (2 Gen):2560 x 1440 pixels
Processor family
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:Intel® Core™ i3
- X1 Carbon (2 Gen):Intel® Core™ i7
Processor generation
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:4th gen Intel® Core™ i3
- X1 Carbon (2 Gen):4th gen Intel® Core™ i7
Processor model
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:i3-4010U
- X1 Carbon (2 Gen):i7-4550U
Processor frequency
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:1.7 GHz
- X1 Carbon (2 Gen):1.5 GHz
Processor cache
- Essential B50-70 Intel® Core™ i3 i3-4010U Laptop:3 MB
- X1 Carbon (2 Gen):4 MB

Side by side

Differences highlightedShow differences only

Comparison of B50-70, X1 Carbon (2 Gen)
194 specifications	A Lenovo Essential B50-70 Intel® Core™ i3 i3-4010U Laptop Model B50-70 View product	B Lenovo X1 Carbon (2 Gen)View product
Design1 differ
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningDiffers	Business	Premium
Housing materialKnown for one	Unknown — not stated by the source	Aluminium, Carbon fibre, Glass fibre, Magnesium, Plastic
Display2 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	2560 x 1440 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	Unknown — not stated by the source	Quad HD
Panel typeKnown for one	Unknown — not stated by the source	IPS
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Display brightnessKnown for one	Unknown — not stated by the source	300 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	700:1
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i3	4th gen Intel® Core™ i7
Processor modelDiffers	i3-4010U	i7-4550U
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	1.7 GHz	1.5 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	BGA 1168	BGA 1168
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel® Core™ i3-4000 Mobile Series	Intel Core i7-4500 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	12	12
PCI Express configurationsDiffers	2x4, 4x1	2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Processor boost frequencyKnown for one	Unknown — not stated by the source	3 GHz
Memory4 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorDiffers	SO-DIMM	On-board
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryDiffers	16 GB	8 GB
Maximum internal memory (64-bit)Differs	16 GB	8 GB
Storage4 differ
Total storage capacityDiffers	500 GB	256 GB
Storage mediaDiffers	HDD	SSD
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
Optical drive typeDiffers	DVD±RW	No
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	MMC, SD, SDHC, SDXC	Unknown — not stated by the source
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
Graphics5 differ
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 5000
Maximum on-board graphics card memoryDiffers	2 GB	1.74 GB
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1100 MHz
On-board graphics card DirectX versionDiffers	11.2/12	11.1
On-board graphics card OpenGL versionKnown for one	4.3	Unknown — not stated by the source
On-board graphics card IDDiffers	0xA16	0xA26
Discrete graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Not available
Audio1 differ
Audio systemDiffers	Dolby Advanced v2	Dolby Home Theater v4
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1 MP
Networkidentical
Wi-Fi	Yes	Yes
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	Yes	Yes
Bluetooth version	4.0	4.0
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	1	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	2	2
Ethernet LAN (RJ-45) portsDiffers	1	0
HDMI ports quantity	1	1
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantityDiffers	1	0
Thunderbolt ports quantity	0	0
Headphone outputsKnown for one	0	Unknown — not stated by the source
S/PDIF out portKnown for one	No	Unknown — not stated by the source
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	No	Unknown — not stated by the source
ExpressCard slotKnown for one	No	Unknown — not stated by the source
CardBus PCMCIA slots quantityKnown for one	0	Unknown — not stated by the source
CardBus PCMCIA slot typeKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Total number of SATA connectorsKnown for one	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Docking connectorKnown for one	Unknown — not stated by the source	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
Keyboard2 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keys	Yes	Yes
Keyboard backlitKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Recovery operating systemKnown for one	Unknown — not stated by the source	Windows 8.1 Pro
Processor special features6 differ
Intel® Wireless Display (Intel® WiDi)	Yes	Yes
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware Version	9.5	9.5
Intel Rapid Storage Technology	Yes	Yes
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel Smart Response Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NI	No	No
Intel TSX-NI version	0.00	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)	Yes	Yes
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)	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® High Definition Audio (Intel® HD Audio)	Yes	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)Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)Known for one	Yes	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Virtualization Technology (Intel® VT)Known for one	VT-d, VT-x	Unknown — not stated by the source
Processor ARK IDDiffers	75107	75112
Processor codeDiffers	SSSR16Q	SR16J
Processor package size	40 x 24 x 1.5 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
UARTKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processor	Yes	Yes
Battery4 differ
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	4	8
Battery capacityDiffers	2200 mAh	45 Wh
Battery life (max)Differs	6.2 h	9 h
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	45 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
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 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
Weight & dimensions4 differ
WeightDiffers	2.3 kg	1.28 kg
WidthDiffers	380 mm	331 mm
DepthDiffers	262 mm	226.5 mm
HeightDiffers	24.7 mm	17.7 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord includedKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
CertificationKnown for one	Unknown — not stated by the source	MIL-STD-810G
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Other featuresidentical
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, 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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