Product comparison · 2 laptops

Acer Aspire E E5-721-21AR AMD E E2-6110 Laptop vs Lenovo IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop

77specifications compared
39differ
38identical
83known for one product only

Key differences

Product colour
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:Black
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:Grey
Display diagonal
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:43.9 cm (17.3")
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:35.6 cm (14")
Display resolution
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:1600 x 900 pixels
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:1366 x 768 pixels
Processor manufacturer
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:AMD
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:Intel
Processor family
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:AMD E
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:Intel® Core™ i5
Processor model
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:E2-6110
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:i5-4200M
Processor cores
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:4
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:2
Processor frequency
- Aspire E E5-721-21AR AMD E E2-6110 Laptop:1.5 GHz
- IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop:2.5 GHz

Side by side

Differences highlightedShow differences only

Comparison of E5-721-21AR, B4400
160 specifications	A Acer Aspire E E5-721-21AR AMD E E2-6110 Laptop Model E5-721-21AR View product	B Lenovo IdeaPad B4400 Intel® Core™ i5 i5-4200M Laptop Model B4400 View product
Design1 differ
Product colourDiffers	Black	Grey
Market positioningKnown for one	Unknown — not stated by the source	Business
Display2 differ
Display diagonalDiffers	43.9 cm (17.3")	35.6 cm (14")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
HD typeKnown for one	HD+	Unknown — not stated by the source
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Processor7 differ
Processor manufacturerDiffers	AMD	Intel
Processor familyDiffers	AMD E	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	4th gen Intel® Core™ i5
Processor modelDiffers	E2-6110	i5-4200M
Processor coresDiffers	4	2
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.1 GHz
Processor frequencyDiffers	1.5 GHz	2.5 GHz
System bus rateKnown for one	Unknown — not stated by the source	5 GT/s
Processor cacheDiffers	2 MB	3 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketKnown for one	Unknown — not stated by the source	PGA946
Processor lithographyKnown for one	Unknown — not stated by the source	22 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core i5-4200 Mobile series
Processor codenameKnown for one	Unknown — not stated by the source	Haswell
Bus typeKnown for one	Unknown — not stated by the source	DMI
FSB ParityKnown for one	Unknown — not stated by the source	No
SteppingKnown for one	Unknown — not stated by the source	C0
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	37 W
TjunctionKnown for one	Unknown — not stated by the source	100 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 1x8+2x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	3.0
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory3 differ
Internal memoryDiffers	8 GB	2 GB
Internal memory typeDiffers	DDR3L-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 8 GB	1 x 2 GB
Memory form factorKnown for one	SO-DIMM	Unknown — not stated by the source
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Storage4 differ
Total storage capacityDiffers	1 TB	500 GB
HDD capacityDiffers	1 TB	500 GB
Optical drive typeDiffers	DVD±RW	DVD Super Multi
Compatible memory cardsDiffers	SD	MMC, SD, SDHC, SDXC
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Graphics4 differ
Discrete graphics cardDiffers	No	Yes
Discrete graphics card modelDiffers	Not available	NVIDIA® GeForce® GT 710M
On-board graphics card familyDiffers	AMD Radeon R2	Intel® HD Graphics
On-board graphics card modelDiffers	AMD Radeon R2	Intel® HD Graphics 4600
Maximum on-board graphics card memoryKnown for one	Unknown — not stated by the source	1.74 GB
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	400 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1150 MHz
On-board graphics card DirectX versionKnown for one	Unknown — not stated by the source	11.1
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x416
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	HD
Cameraidentical
Front camera resolutionKnown for one	Unknown — not stated by the source	1280 x 720 pixels
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	2	1
VGA (D-Sub) ports quantityDiffers	1	0
Headphone outputsDiffers	1	0
Combo headphone/mic portKnown for one	Unknown — not stated by the source	Yes
Microphone inDiffers	Yes	No
ExpressCard slotKnown for one	No	Unknown — not stated by the source
SmartCard slotKnown for one	No	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® HM86
Keyboard1 differ
Numeric keypadDiffers	Yes	No
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Windows keysKnown for one	Yes	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 8.1	FreeDOS
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features9 differ
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableKnown for one	Unknown — not stated by the source	No
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	No
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Secure Key Technology versionKnown for one	Unknown — not stated by the source	1.00
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 TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)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® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDKnown for one	Unknown — not stated by the source	76348
Processor codeKnown for one	Unknown — not stated by the source	SR1HA
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 x 4.7 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	AVX 2.0, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Conflict-Free processorKnown for one	Unknown — not stated by the source	Yes
Intel Smart Connect TechnologyKnown for one	No	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
Intel® Small Business Advantage (Intel® SBA)Known for one	No	Unknown — not stated by the source
Intel® Smart Response TechnologyKnown for one	No	Unknown — not stated by the source
Battery1 differ
Number of battery cellsDiffers	4	6
Battery life (max)Known for one	Unknown — not stated by the source	6.5 h
Battery capacityKnown for one	3220 mAh	Unknown — not stated by the source
Poweridentical
AC adapter powerKnown for one	45 W	Unknown — not stated by the source
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	3 kg	2.2 kg
WidthKnown for one	424.2 mm	Unknown — not stated by the source
DepthKnown for one	289 mm	Unknown — not stated by the source
HeightKnown for one	29 mm	Unknown — not stated by the source
Packaging contentidentical
Power cord includedKnown for one	Unknown — not stated by the source	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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