Product comparison · 2 laptops

Lenovo L40-30 Intel® Celeron® N2815 Laptop vs Lenovo IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop

127specifications compared
64differ
63identical
51known for one product only

Key differences

Display diagonal
- L40-30 Intel® Celeron® N2815 Laptop:35.6 cm (14")
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:43.9 cm (17.3")
Display resolution
- L40-30 Intel® Celeron® N2815 Laptop:1366 x 768 pixels
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:1920 x 1080 pixels
Processor family
- L40-30 Intel® Celeron® N2815 Laptop:Intel® Celeron®
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:Intel® Core™ i7
Processor model
- L40-30 Intel® Celeron® N2815 Laptop:N2815
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:i7-5500U
Processor threads
- L40-30 Intel® Celeron® N2815 Laptop:2
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:4
Processor boost frequency
- L40-30 Intel® Celeron® N2815 Laptop:2.13 GHz
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:3 GHz
Processor frequency
- L40-30 Intel® Celeron® N2815 Laptop:1.86 GHz
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:2.4 GHz
Processor cache
- L40-30 Intel® Celeron® N2815 Laptop:1 MB
- IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop:4 MB

Side by side

Differences highlightedShow differences only

Comparison of L40-30, Z70
178 specifications	A Lenovo L40-30 Intel® Celeron® N2815 Laptop Model L40-30 View product	B Lenovo IdeaPad Z70 Intel® Core™ i7 i7-5500U Laptop Model Z70 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Market positioningKnown for one	Unknown — not stated by the source	Business
Display2 differ
Display diagonalDiffers	35.6 cm (14")	43.9 cm (17.3")
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
Dual-screenKnown for one	Unknown — not stated by the source	No
Processor14 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	N2815	i7-5500U
Processor cores	2	2
Processor threadsDiffers	2	4
Processor boost frequencyDiffers	2.13 GHz	3 GHz
Processor frequencyDiffers	1.86 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 socketDiffers	BGA 1170	BGA 1168
Processor lithographyDiffers	22 nm	14 nm
Processor operating modes	32-bit, 64-bit	32-bit, 64-bit
Processor seriesDiffers	Intel Celeron Processor N2000 Series for Mobile	Intel Core i7-5500 Mobile Series
Processor codenameDiffers	Bay Trail	Broadwell
Bus typeKnown for one	Unknown — not stated by the source	DMI2
FSB Parity	No	No
SteppingDiffers	B3	F0
Thermal Design Power (TDP)Differs	7.5 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
Tjunction	105 °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	4.5 W	Unknown — not stated by the source
Memory2 differ
Internal memoryDiffers	2 GB	16 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR3L-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Memory form factorKnown for one	Unknown — not stated by the source	SO-DIMM
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	16 GB
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	500 GB	1 TB
Storage mediaDiffers	HDD	Hybrid-HDD
HDD speedDiffers	5200 RPM	5400 RPM
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	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	MMC, SD
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
Graphics3 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® GeForce® 840M
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 memoryKnown for one	Unknown — not stated by the source	16 GB
On-board graphics card base frequencyDiffers	313 MHz	300 MHz
On-board graphics card dynamic frequency (max)Differs	756 MHz	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
On-board graphics card burst frequencyKnown for one	756 MHz	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	Dolby Home Theater
Number of built-in speakers	2	2
Speakers manufacturerKnown for one	Unknown — not stated by the source	JBL
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Front camera resolution	1280 x 720 pixels	1280 x 720 pixels
Network2 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11b, 802.11g, Wi-Fi 4 (802.11n)	Wi-Fi 5 (802.11ac)
Ethernet LAN	Yes	Yes
Ethernet LAN data rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces3 differ
USB 2.0 ports quantity	2	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	1	1
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 outputsDiffers	0	1
S/PDIF out port	No	No
Combo headphone/mic port	Yes	Yes
Microphone inDiffers	No	Yes
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
Keyboard2 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Full-size keyboard	Yes	Yes
Windows keysDiffers	No	Yes
Softwareidentical
Operating system installed	Windows 8.1	Windows 8.1
Operating system architecture	64-bit	64-bit
Operating system languageKnown for one	Portuguese	Unknown — not stated by the source
Processor special features24 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 lithographyDiffers	22 nm	14 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video TechnologyDiffers	No	Yes
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 AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology versionDiffers	0.00	1.00
Intel Rapid Storage Technology	No	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 Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	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)Differs	No	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)Differs	VT-x	VT-d, VT-x
Processor ARK IDDiffers	79051	85214
Processor codeDiffers	SR1SJ	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 TechnologiesDiffers	No	Yes
Conflict-Free processor	Yes	Yes
Intel Smart Connect TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Smart Connect Technology versionKnown for one	1.00	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
Battery technologyDiffers	Lithium-Ion (Li-Ion)	Lithium Polymer (LiPo)
Number of battery cellsDiffers	3	4
Battery capacityKnown for one	Unknown — not stated by the source	41 Wh
Battery life (max)Known for one	Unknown — not stated by the source	4 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Password protectionKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	1.7 kg	3 kg
WidthDiffers	343 mm	418 mm
DepthDiffers	250 mm	283 mm
HeightDiffers	24 mm	25.2 mm
Packaging contentidentical
AC adapter included	Yes	Yes
Manual	Yes	Yes
Power cord included	Yes	Yes

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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