Product comparison · 2 laptops

Lenovo IdeaPad S40-70 Intel® Pentium® 3558U Laptop vs Lenovo IdeaPad S510 Intel® Celeron® 2955U Laptop

143specifications compared
19differ
124identical
21known for one product only

Key differences

Display diagonal
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:35.6 cm (14")
- IdeaPad S510 Intel® Celeron® 2955U Laptop:39.6 cm (15.6")
Processor family
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:Intel® Pentium®
- IdeaPad S510 Intel® Celeron® 2955U Laptop:Intel® Celeron®
Processor model
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:3558U
- IdeaPad S510 Intel® Celeron® 2955U Laptop:2955U
Processor frequency
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:1.7 GHz
- IdeaPad S510 Intel® Celeron® 2955U Laptop:1.4 GHz
Stepping
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:D0
- IdeaPad S510 Intel® Celeron® 2955U Laptop:C0
PCI Express configurations
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:4x1, 1x4
- IdeaPad S510 Intel® Celeron® 2955U Laptop:1x2, 1x4, 4x1
Internal memory type
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:DDR3L-SDRAM
- IdeaPad S510 Intel® Celeron® 2955U Laptop:DDR3-SDRAM
Audio system
- IdeaPad S40-70 Intel® Pentium® 3558U Laptop:Dolby Advanced Audio
- IdeaPad S510 Intel® Celeron® 2955U Laptop:Dolby Advanced

Side by side

Differences highlightedShow differences only

Comparison of S40-70, S510
164 specifications	A Lenovo IdeaPad S40-70 Intel® Pentium® 3558U Laptop Model S40-70 View product	B Lenovo IdeaPad S510 Intel® Celeron® 2955U Laptop Model S510 View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
TouchscreenKnown for one	No	Unknown — not stated by the source
Processor6 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Celeron®
Processor modelDiffers	3558U	2955U
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.7 GHz	1.4 GHz
System bus rate	5 GT/s	5 GT/s
Processor cache	2 MB	2 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 Pentium 3000 series for Mobile	Intel Celeron Processor 2000 Series for Mobile
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
SteppingDiffers	D0	C0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	10	10
PCI Express configurationsDiffers	4x1, 1x4	1x2, 1x4, 4x1
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
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 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
Maximum internal memory (64-bit)Known for one	Unknown — not stated by the source	16 GB
Memory layout (slots x size)Known for one	1 x 4 GB	Unknown — not stated by the source
Storageidentical
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	SATA
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
HDD size	2.5"	2.5"
Optical drive typeKnown for one	Unknown — not stated by the source	DVD Super Multi
Card reader integrated	Yes	Yes
Compatible memory cards	MMC, SD	MMC, SD
Graphicsidentical
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequency	200 MHz	200 MHz
On-board graphics card dynamic frequency (max)	1000 MHz	1000 MHz
Audio1 differ
Audio systemDiffers	Dolby Advanced Audio	Dolby Advanced
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
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 Mbit/s	10,100 Mbit/s
Bluetooth	Yes	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	2	1
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	1	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	0	0
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
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Total number of SATA connectors	2	2
Number of SATA III connectors	2	2
Docking connectorKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel HM77 Express
Keyboard1 differ
Pointing device	Touchpad	Touchpad
Numeric keypadDiffers	No	Yes
Island-style keyboardKnown for one	Unknown — not stated by the source	Yes
Spill-resistant keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keys	Yes	Yes
Software1 differ
Operating system installedDiffers	Windows 8.1	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
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	Yes	Yes
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 version	0.00	0.00
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) version	0.00	0.00
Intel Smart Connect Technology	Yes	Yes
Intel Smart Connect Technology version	1.00	1.00
Intel Smart Response Technology version	0.00	0.00
Intel Stable Image Platform Program (SIPP)	No	No
Intel Stable Image Platform Program (SIPP) version	0.00	0.00
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)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Active Management Technology (Intel® AMT)	No	No
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)	Yes	Yes
Intel® High Definition Audio (Intel® HD Audio)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Identity Protection Technology (Intel® IPT)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® OS Guard	No	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Rapid Start Technology	No	No
Intel® Secure Key	Yes	Yes
Intel® Small Business Advantage (Intel® SBA)	No	No
Intel® Smart Cache	Yes	Yes
Intel® Smart Response Technology	No	No
Intel® Turbo Boost Technology	No	No
Intel® Virtualization Technology (Intel® VT)	VT-x	VT-x
Processor ARK IDDiffers	78945	75608
Processor codeDiffers	SR1E8	SR16Y
Processor package size	40 x 24 x 1.5 mm	40 x 24 x 1.5 mm
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
UART	Yes	Yes
Conflict-Free processor	Yes	Yes
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	4
Battery capacityKnown for one	Unknown — not stated by the source	32 Wh
Battery life (max)	5 h	5 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Password protectionKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.8 kg	2.3 kg
WidthKnown for one	Unknown — not stated by the source	380 mm
DepthKnown for one	Unknown — not stated by the source	259 mm
HeightKnown for one	Unknown — not stated by the source	20 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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