Product comparison · 2 laptops

Lenovo Essential B40-70 Intel® Core™ i3 i3-4005U Laptop vs Lenovo Essential B50-30G Intel® Celeron® N2810 Laptop

139specifications compared
45differ
94identical
35known for one product only

Key differences

Display diagonal
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:35.6 cm (14")
- Essential B50-30G Intel® Celeron® N2810 Laptop:39.6 cm (15.6")
Processor family
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:Intel® Core™ i3
- Essential B50-30G Intel® Celeron® N2810 Laptop:Intel® Celeron®
Processor model
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:i3-4005U
- Essential B50-30G Intel® Celeron® N2810 Laptop:N2810
Processor threads
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:4
- Essential B50-30G Intel® Celeron® N2810 Laptop:2
Processor frequency
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:1.7 GHz
- Essential B50-30G Intel® Celeron® N2810 Laptop:2 GHz
Processor cache
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:3 MB
- Essential B50-30G Intel® Celeron® N2810 Laptop:1 MB
Processor socket
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:BGA 1168
- Essential B50-30G Intel® Celeron® N2810 Laptop:BGA 1170
Processor operating modes
- Essential B40-70 Intel® Core™ i3 i3-4005U Laptop:64-bit
- Essential B50-30G Intel® Celeron® N2810 Laptop:32-bit, 64-bit

Side by side

Differences highlightedShow differences only

Comparison of B40-70, B50-30G
174 specifications	A Lenovo Essential B40-70 Intel® Core™ i3 i3-4005U Laptop Model B40-70 View product	B Lenovo Essential B50-30G Intel® Celeron® N2810 Laptop Model B50-30G View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
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 surfaceKnown for one	Unknown — not stated by the source	Gloss
Processor12 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Celeron®
Processor generationKnown for one	4th gen Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-4005U	N2810
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	1.7 GHz	2 GHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	1 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1168	BGA 1170
Processor lithography	22 nm	22 nm
Processor operating modesDiffers	64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel® Core™ i3-4000 Mobile Series	Intel Celeron Processor N2000 Series for Mobile
Processor codenameDiffers	Haswell	Bay Trail
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB Parity	No	No
Thermal Design Power (TDP)Differs	15 W	7.5 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	10	4
PCI Express configurationsDiffers	4x1, 1x4	1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
SteppingKnown for one	Unknown — not stated by the source	B2
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	1.5 W
Memory4 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3L-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory layout (slots x size)Differs	1 x 4 GB	1 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memoryDiffers	16 GB	8 GB
Maximum internal memory (64-bit)Differs	16 GB	8 GB
Storage4 differ
Total storage capacityDiffers	500 GB	320 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	320 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
HDD size	2.5"	2.5"
Optical drive typeDiffers	DVD±RW	No
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD	MMC, SD, SDHC, SDXC
Graphics3 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
Maximum on-board graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card base frequencyDiffers	200 MHz	313 MHz
On-board graphics card dynamic frequency (max)Differs	950 MHz	756 MHz
On-board graphics card DirectX versionKnown for one	12	Unknown — not stated by the source
On-board graphics card IDKnown for one	0xA16	Unknown — not stated by the source
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
On-board graphics card burst frequencyKnown for one	Unknown — not stated by the source	756 MHz
Audio1 differ
Audio systemDiffers	HD	Dolby Advanced v2
Number of built-in speakers	2	2
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Networkidentical
Wi-Fi	Yes	Yes
Top Wi-Fi standard	Wi-Fi 4 (802.11n)	Wi-Fi 4 (802.11n)
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	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
Ports & interfacesidentical
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 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 connector	No	No
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	2	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	2	Unknown — not stated by the source
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	FreeDOS	FreeDOS
Processor special features15 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
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 Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology versionDiffers	1.00	0.00
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Small Business Advantage (SBA) versionKnown for one	0.00	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	0.00	Unknown — not stated by the source
Intel TSX-NIKnown for one	No	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Active Management Technology (Intel® AMT)	No	No
Intel® Anti-Theft Technology (Intel® AT)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® High Definition Audio (Intel® HD Audio)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Rapid Start Technology	No	No
Intel® Secure KeyKnown for one	Yes	Unknown — not stated by the source
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	No	No
Intel® Virtualization Technology (Intel® VT)Known for one	VT-x	Unknown — not stated by the source
Processor ARK IDDiffers	75105	76753
Processor package sizeDiffers	40 x 24 x 1.5 mm	25 x 27 mm
Supported instruction setsKnown for one	AVX 2.0, SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
UARTKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processor	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 nm
Processor codeKnown for one	Unknown — not stated by the source	SR1LX
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	4	4
Battery life (max)Differs	6 h	5 h
Battery capacityKnown for one	Unknown — not stated by the source	2200 mAh
Poweridentical
DC-in jack	Yes	Yes
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 type	Kensington	Kensington
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Password protectionKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	BIOS, User	Unknown — not stated by the source
Weight & dimensions3 differ
Weight	2.15 kg	2.15 kg
WidthDiffers	340 mm	380 mm
DepthDiffers	247 mm	262 mm
HeightDiffers	24.5 mm	24.7 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No

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.

More laptop comparisons

All laptop comparisons