Product comparison · 2 laptops

Acer TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop vs Lenovo T 440p

127specifications compared
44differ
83identical
39known for one product only

Key differences

Display resolution
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:1366 x 768 pixels
- T 440p:1600 x 900 pixels
Processor family
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:Intel® Core™ i5
- T 440p:Intel® Core™ i7
Processor generation
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:4th gen Intel® Core™ i5
- T 440p:4th gen Intel® Core™ i7
Processor model
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:i5-4200U
- T 440p:i7-4700MQ
Processor cores
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:2
- T 440p:4
Processor threads
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:4
- T 440p:8
Processor boost frequency
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:2.6 GHz
- T 440p:3.4 GHz
Processor frequency
- TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop:1.6 GHz
- T 440p:2.4 GHz

Side by side

Differences highlightedShow differences only

Comparison of 645-M-6839, T 440p
166 specifications	A Acer TravelMate P6 645-M-6839 Intel® Core™ i5 i5-4200U Laptop Model 645-M-6839 View product	B Lenovo T 440p View product
Designidentical
Product type	Laptop	Laptop
Product colour	Black	Black
Form factor	Clamshell	Clamshell
Display1 differ
Display diagonal	35.6 cm (14")	35.6 cm (14")
Display resolutionDiffers	1366 x 768 pixels	1600 x 900 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
TouchscreenKnown for one	Unknown — not stated by the source	No
HD typeKnown for one	Unknown — not stated by the source	HD+
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i7
Processor generationDiffers	4th gen Intel® Core™ i5	4th gen Intel® Core™ i7
Processor modelDiffers	i5-4200U	i7-4700MQ
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	2.6 GHz	3.4 GHz
Processor frequencyDiffers	1.6 GHz	2.4 GHz
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1168	PGA946
Processor lithography	22 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-4200 Mobile series	Intel Core i7-4700 Mobile series
Processor codename	Haswell	Haswell
Bus type	DMI2	DMI2
FSB Parity	No	No
Stepping	C0	C0
Thermal Design Power (TDP)Differs	15 W	47 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanesDiffers	12	16
PCI Express configurationsDiffers	1x4, 2x4	1x16, 2x8, 1x8+2x4
PCI Express slots versionDiffers	2.0	3.0
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	4 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memoryDiffers	12 GB	16 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 8 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage3 differ
Total storage capacityDiffers	120 GB	500 GB
Storage mediaDiffers	SSD	HDD
Number of SSDs installedKnown for one	1	Unknown — not stated by the source
SSD capacityKnown for one	120 GB	Unknown — not stated by the source
SSD interfaceKnown for one	SATA	Unknown — not stated by the source
Optical drive typeDiffers	No	DVD Super Multi DL
Card reader integrated	Yes	Yes
Compatible memory cards	SD	SD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Graphics7 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 730M
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 4400	Intel® HD Graphics 4600
Maximum on-board graphics card memory	1.74 GB	1.74 GB
On-board graphics card base frequencyDiffers	200 MHz	400 MHz
On-board graphics card dynamic frequency (max)Differs	1000 MHz	1150 MHz
On-board graphics card DirectX versionDiffers	12	11.1
On-board graphics card IDDiffers	0xA16	0x416
Audioidentical
Built-in microphone	Yes	Yes
Audio systemKnown for one	Unknown — not stated by the source	Dolby HomeTheater v4
Cameraidentical
Front camera	Yes	Yes
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Optical driveidentical
LightScribeKnown for one	No	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	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
Bluetooth versionKnown for one	Unknown — not stated by the source	4.0
Ports & interfaces1 differ
USB 2.0 ports quantityKnown for one	0	Unknown — not stated by the source
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	3	Unknown — not stated by the source
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantity	0	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	0	0
Thunderbolt ports quantity	0	0
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
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	4	Unknown — not stated by the source
Number of SATA III connectorsKnown for one	4	Unknown — not stated by the source
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	1
Docking connectorKnown for one	Unknown — not stated by the source	No
Keyboardidentical
Pointing device	Touchpad	Touchpad
Numeric keypad	No	No
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Windows keysKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Operating system installedKnown for one	Windows 8 Pro	Unknown — not stated by the source
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features9 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 TechnologyDiffers	No	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Identity Protection Technology version	1.00	1.00
Intel ME Firmware VersionKnown for one	9.5	Unknown — not stated by the source
Intel Rapid Storage TechnologyDiffers	Yes	No
Intel Secure Key Technology version	1.00	1.00
Intel Smart Connect TechnologyDiffers	Yes	No
Intel Smart Connect Technology versionKnown for one	1.00	Unknown — not stated by the source
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)	Yes	Yes
Intel® Anti-Theft Technology (Intel® AT)	Yes	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
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)	Yes	Yes
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® Matrix Storage Technology (Intel® MST)	No	No
Intel® My WiFi Technology (Intel® MWT)	Yes	Yes
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Rapid Start TechnologyDiffers	Yes	No
Intel® Secure Key	Yes	Yes
Intel® Turbo Boost Technology	2.0	2.0
Processor ARK IDDiffers	75459	75117
Processor codeDiffers	SR170	SR15H
Processor package sizeDiffers	40 x 24 x 1.5 mm	37.5 x 32 x 1.6 mm
Supported instruction setsDiffers	AVX 2.0	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	Yes	Yes
Intel® Active Management Technology (Intel® AMT)Known for one	Unknown — not stated by the source	No
Intel® Small Business Advantage (Intel® SBA)Known for one	Unknown — not stated by the source	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Smart Response TechnologyKnown for one	Unknown — not stated by the source	No
Batteryidentical
Battery technologyKnown for one	Lithium-Ion (Li-Ion)	Unknown — not stated by the source
Number of battery cellsKnown for one	3	Unknown — not stated by the source
Battery capacityKnown for one	4850 mAh	Unknown — not stated by the source
Battery life (max)Known for one	8 h	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions4 differ
WeightDiffers	1.52 kg	1.9 kg
WidthDiffers	327.7 mm	335 mm
DepthDiffers	236.2 mm	229 mm
HeightDiffers	20.3 mm	27.9 mm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other features1 differ
Intel segment taggingDiffers	Enterprise, Industrial	Home office, Small Business

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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