Product comparison · 2 laptops

Lenovo IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop vs Lenovo IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop

136specifications compared
7differ
129identical
1known for one product only

Key differences

Processor family
- IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop:Intel® Celeron®
- IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop:Intel® Pentium®
Processor model
- IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop:2957U
- IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop:3558U
Processor frequency
- IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop:1.4 GHz
- IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop:1.7 GHz
Intel® Clear Video HD Technology (Intel® CVT HD)
- IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop:Yes
- IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop:No
Processor ARK ID
- IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop:78942
- IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop:78945
Processor code
- IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop:SR1DV
- IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop:SR1E8

Side by side

Differences highlightedShow differences only

Comparison of G40-70MA-CTW, G40-70MA-PTH
137 specifications	A Lenovo IdeaPad G40-70MA-CTW Intel® Celeron® 2957U Laptop Model G40-70MA-CTW View product	B Lenovo IdeaPad G40-70MA-PTH Intel® Pentium® 3558U Laptop Model G40-70MA-PTH View product
Designidentical
Product type	Laptop	Laptop
Product colour	White	White
Form factor	Clamshell	Clamshell
Displayidentical
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Touchscreen	No	No
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor4 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium®
Processor modelDiffers	2957U	3558U
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.4 GHz	1.7 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 Celeron Processor 2000 Series for Mobile	Intel Pentium 3000 series for Mobile
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	D0	D0
Thermal Design Power (TDP)	15 W	15 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	10	10
PCI Express configurations	4x1, 1x4	4x1, 1x4
PCI Express slots version	2.0	2.0
ECC supported by processor	No	No
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1600 MHz	1600 MHz
Maximum internal memory	16 GB	16 GB
Storageidentical
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
Optical drive type	DVD Super Multi	DVD Super Multi
Card reader integrated	Yes	Yes
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card	Yes	Yes
Discrete graphics card model	NVIDIA® GeForce® GT 820M	NVIDIA® GeForce® GT 820M
Discrete graphics card memory	2 GB	2 GB
Discrete graphics memory type	GDDR3	GDDR3
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
Audioidentical
Built-in microphone	Yes	Yes
Cameraidentical
Front camera	Yes	Yes
Swivel webcam	No	No
Rear camera	No	No
Optical driveidentical
LightScribe	No	No
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	No	No
Bluetooth	No	No
Ports & interfacesidentical
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity	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	1	1
S/PDIF out port	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 connectors	2	2
Number of SATA III connectors	2	2
Keyboardidentical
Numeric keypad	No	No
Windows keys	Yes	Yes
Softwareidentical
Operating system installed	Windows 8	Windows 8
Processor special features3 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® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
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 Technology	Yes	Yes
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	78942	78945
Processor codeDiffers	SR1DV	SR1E8
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
Poweridentical
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	No	No
Weight & dimensionsidentical
HeightKnown for one	24.9 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter 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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