Product comparison · 2 laptops

Acer Aspire AS5749Z-4802 Intel® Pentium® B950 vs Lenovo L420 + Mini Dock Series 3 (DK)

118specifications compared
44differ
74identical
40known for one product only

Key differences

Display diagonal
- Aspire AS5749Z-4802 Intel® Pentium® B950:39.6 cm (15.6")
- L420 + Mini Dock Series 3 (DK):35.6 cm (14")
Processor family
- Aspire AS5749Z-4802 Intel® Pentium® B950:Intel® Pentium®
- L420 + Mini Dock Series 3 (DK):Intel® Core™ i5
Processor model
- Aspire AS5749Z-4802 Intel® Pentium® B950:B950
- L420 + Mini Dock Series 3 (DK):i5-2450M
Processor threads
- Aspire AS5749Z-4802 Intel® Pentium® B950:2
- L420 + Mini Dock Series 3 (DK):4
Processor frequency
- Aspire AS5749Z-4802 Intel® Pentium® B950:2.1 GHz
- L420 + Mini Dock Series 3 (DK):2.5 GHz
Processor cache
- Aspire AS5749Z-4802 Intel® Pentium® B950:2 MB
- L420 + Mini Dock Series 3 (DK):3 MB
Processor cache type
- Aspire AS5749Z-4802 Intel® Pentium® B950:L3
- L420 + Mini Dock Series 3 (DK):Smart Cache
Tjunction
- Aspire AS5749Z-4802 Intel® Pentium® B950:85 °C
- L420 + Mini Dock Series 3 (DK):100 °C

Side by side

Differences highlightedShow differences only

Comparison of AS5749Z-4802, L420 + Mini Dock Series 3 (DK)
158 specifications	A Acer Aspire AS5749Z-4802 Intel® Pentium® B950 Model AS5749Z-4802 View product	B Lenovo L420 + Mini Dock Series 3 (DK)View product
Designidentical
Product colour	Black	Black
Form factorKnown for one	Clamshell	Unknown — not stated by the source
Display1 differ
Display diagonalDiffers	39.6 cm (15.6")	35.6 cm (14")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Processor10 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Core™ i5
Processor modelDiffers	B950	i5-2450M
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.1 GHz	2.5 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L3	Smart Cache
Processor socketKnown for one	PGA988	Unknown — not stated by the source
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium B900 Series for Mobile	Intel Core i5-2400 Mobile Series
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	85 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurationsDiffers	1x8, 2x16, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	21	25
Compatible processor seriesKnown for one	Intel® Pentium® Dual-Core	Unknown — not stated by the source
ECC supported by processor	No	No
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i5
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
SteppingKnown for one	Unknown — not stated by the source	J1
Memory2 differ
Internal memoryDiffers	3 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1066 MHz	1333 MHz
Maximum internal memory	8 GB	8 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage1 differ
Total storage capacity	500 GB	500 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interface	SATA	SATA
Optical drive typeDiffers	DVD±RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, SD	Unknown — not stated by the source
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics2 differ
On-board graphics card	Yes	Yes
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics	Intel® HD Graphics 3000
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1100 MHz	1300 MHz
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 IDKnown for one	Unknown — not stated by the source	0x116
Audioidentical
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Audio system full duplexKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	Unknown — not stated by the source	HD
Optical driveidentical
Disc types supportedKnown for one	CD-R, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Fast Ethernet	Unknown — not stated by the source
Wireless technologyKnown for one	Wi-Fi	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Wi-Fi 4 (802.11n)	Unknown — not stated by the source
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 ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Integrated 4G WiMAXDiffers	No	Yes
Ports & interfaces5 differ
USB 2.0 ports quantity	3	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	0	3
eSATA/USB 2.0 ports quantity	0	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantity	0	0
eSATA ports quantityDiffers	0	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityDiffers	1	0
DisplayPorts quantityDiffers	0	1
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
Docking connector	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
TV-out	No	No
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® HM65 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Numeric keypadDiffers	Yes	No
Software1 differ
Operating system installedDiffers	Windows 7 Home Basic	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	32 nm	32 nm
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	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	55627	53452
Processor package sizeDiffers	37.5x37.5 (rPGA988B)	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)
Supported instruction setsDiffers	SSE4.x	AVX
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SR04Z
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Battery life (max)Differs	4 h	11.6 h
Poweridentical
AC adapter powerKnown for one	65 W	Unknown — not stated by the source
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
Weight & dimensions3 differ
WeightDiffers	2.4 kg	2.3 kg
WidthDiffers	381 mm	3439 mm
DepthDiffers	253 mm	2329 mm
HeightKnown for one	34.7 mm	Unknown — not stated by the source
Height (front)Known for one	Unknown — not stated by the source	3.2 cm
Height (rear)Known for one	Unknown — not stated by the source	3.6 cm
Packaging contentidentical
AC adapter included	Yes	Yes
ManualKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u	Unknown — not stated by the source
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Intel segment taggingKnown for one	Unknown — not stated by the source	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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