Product comparison · 2 laptops

Lenovo B51-30 Intel® Celeron® N3050 Laptop vs Lenovo IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop

110specifications compared
48differ
62identical
70known for one product only

Key differences

Product colour
- B51-30 Intel® Celeron® N3050 Laptop:Black
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:Silver
Display diagonal
- B51-30 Intel® Celeron® N3050 Laptop:39.6 cm (15.6")
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:35.6 cm (14")
Display resolution
- B51-30 Intel® Celeron® N3050 Laptop:1366 x 768 pixels
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:1920 x 1080 pixels
HD type
- B51-30 Intel® Celeron® N3050 Laptop:HD
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:Full HD
Processor family
- B51-30 Intel® Celeron® N3050 Laptop:Intel® Celeron®
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
Processor model
- B51-30 Intel® Celeron® N3050 Laptop:N3050
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:i7-5500U
Processor threads
- B51-30 Intel® Celeron® N3050 Laptop:2
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:4
Processor boost frequency
- B51-30 Intel® Celeron® N3050 Laptop:2.16 GHz
- IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop:3 GHz

Side by side

Differences highlightedShow differences only

Comparison of B51-30, U41
180 specifications	A Lenovo B51-30 Intel® Celeron® N3050 Laptop Model B51-30 View product	B Lenovo IdeaPad U41 Intel® Core™ i7 i7-5500U Laptop Model U41 View product
Design1 differ
Product type	Laptop	Laptop
Product colourDiffers	Black	Silver
Form factor	Clamshell	Clamshell
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1920 x 1080 pixels
Touchscreen	No	No
HD typeDiffers	HD	Full HD
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display surfaceKnown for one	Unknown — not stated by the source	Matt
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™ i7
Processor generationKnown for one	Unknown — not stated by the source	5th gen Intel® Core™ i7
Processor modelDiffers	N3050	i7-5500U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyDiffers	2.16 GHz	3 GHz
Processor frequencyDiffers	1.6 GHz	2.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	4 MB
Processor cache typeDiffers	L2	L3
Processor socketDiffers	BGA 1170	BGA 1168
Processor lithography	14 nm	14 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Celeron N3000 series	Intel Core i7-5500 Mobile Series
Processor codenameDiffers	Braswell	Broadwell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingDiffers	C0	F0
Thermal Design Power (TDP)Differs	6 W	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
TjunctionDiffers	90 °C	105 °C
Maximum number of PCI Express lanesDiffers	4	12
PCI Express configurationsKnown for one	Unknown — not stated by the source	4x1, 2x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Scenario Design Power (SDP)Known for one	4 W	Unknown — not stated by the source
Memory1 differ
Internal memory	4 GB	4 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Memory slotsKnown for one	Unknown — not stated by the source	1x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage3 differ
Total storage capacityDiffers	500 GB	1 TB
Storage mediaDiffers	HDD	Hybrid-HDD
Hybrid-HDD cache typeKnown for one	Unknown — not stated by the source	Flash
Hybrid-HDD capacityKnown for one	Unknown — not stated by the source	1 TB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
HDD size	2.5"	2.5"
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
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 940M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 5500
Maximum on-board graphics card memoryDiffers	8 GB	16 GB
On-board graphics card base frequencyDiffers	320 MHz	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 OpenGL versionKnown for one	Unknown — not stated by the source	4.3
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x1616
Graphics card Open GL supportKnown for one	Unknown — not stated by the source	Yes
Number of execution unitsKnown for one	12	Unknown — not stated by the source
On-board graphics card burst frequencyKnown for one	600 MHz	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	Dolby DS1.0 Home Theater
Number of built-in speakers	2	2
Speaker powerKnown for one	Unknown — not stated by the source	1.5 W
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
Network1 differ
Wi-Fi	Yes	Yes
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	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
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Integrated 4G WiMAXKnown for one	No	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	1	0
Thunderbolt ports quantity	0	0
Headphone outputsKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
Combo headphone/mic port	Yes	Yes
Microphone inKnown for one	Unknown — not stated by the source	No
Docking connectorKnown for one	Unknown — not stated by the source	No
ExpressCard slotKnown for one	Unknown — not stated by the source	No
CardBus PCMCIA slots quantityKnown for one	Unknown — not stated by the source	0
CardBus PCMCIA slot typeKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
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
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	Yes	No
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	No	Windows 8.1
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special features12 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	Unknown — not stated by the source	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	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 State	Yes	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 HD GraphicsKnown for one	Unknown — not stated by the source	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Secure Key Technology version	1.00	1.00
Intel Small Business Advantage (SBA) versionDiffers	0.00	1.00
Intel Smart Response Technology versionDiffers	0.00	1.00
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	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 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	No	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Built-in Visuals TechnologyKnown for one	Unknown — not stated by the source	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® OS GuardDiffers	No	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure Key	Yes	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-x, VT-d
Processor ARK IDDiffers	87257	85214
Processor codeKnown for one	Unknown — not stated by the source	SR23W
Processor package sizeDiffers	25 x 27 mm	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 Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel Secure BootKnown for one	Yes	Unknown — not stated by the source
Intel Secure Boot Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Smart Connect TechnologyKnown for one	No	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	0.00	Unknown — not stated by the source
Intel® High Definition Audio (Intel® HD Audio)Known for one	Yes	Unknown — not stated by the source
UARTKnown for one	Yes	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	2
Battery capacityKnown for one	Unknown — not stated by the source	30 Wh
Battery life (max)Known for one	Unknown — not stated by the source	6 h
Poweridentical
DC-in jack	Yes	Yes
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
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	No
Weight & dimensions4 differ
WeightDiffers	2.3 kg	1.68 kg
WidthDiffers	380 mm	340 mm
DepthDiffers	262 mm	240 mm
HeightDiffers	24.7 mm	19.5 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Power cord includedKnown for one	Yes	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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