Product comparison · 2 all-in-one pcs/workstations

Acer Aspire 771_Po Intel® Core™ i3 i3-2120 vs Lenovo ThinkCentre Edge 91z

111specifications compared
30differ
81identical
50known for one product only

Key differences

Display diagonal
- Aspire 771_Po Intel® Core™ i3 i3-2120:58.4 cm (23")
- ThinkCentre Edge 91z:54.6 cm (21.5")
Processor family
- Aspire 771_Po Intel® Core™ i3 i3-2120:Intel® Core™ i3
- ThinkCentre Edge 91z:Intel® Core™ i5
Processor generation
- Aspire 771_Po Intel® Core™ i3 i3-2120:2nd gen Intel® Core™ i3
- ThinkCentre Edge 91z:2nd gen Intel® Core™ i5
Processor model
- Aspire 771_Po Intel® Core™ i3 i3-2120:i3-2120
- ThinkCentre Edge 91z:i5-2500S
Processor cores
- Aspire 771_Po Intel® Core™ i3 i3-2120:2
- ThinkCentre Edge 91z:4
Processor frequency
- Aspire 771_Po Intel® Core™ i3 i3-2120:3.3 GHz
- ThinkCentre Edge 91z:2.7 GHz
Processor cache
- Aspire 771_Po Intel® Core™ i3 i3-2120:3 MB
- ThinkCentre Edge 91z:6 MB
CPU multiplier (bus/core ratio)
- Aspire 771_Po Intel® Core™ i3 i3-2120:33
- ThinkCentre Edge 91z:27

Side by side

Differences highlightedShow differences only

Comparison of 771_Po, ThinkCentre Edge 91z
161 specifications	A Acer Aspire 771_Po Intel® Core™ i3 i3-2120 Model 771_Po View product	B Lenovo ThinkCentre Edge 91z View product
Display1 differ
Display diagonalDiffers	58.4 cm (23")	54.6 cm (21.5")
Display resolutionKnown for one	1920 x 1080 pixels	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
HD typeKnown for one	Full HD	Unknown — not stated by the source
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratioKnown for one	16:9	Unknown — not stated by the source
Processor9 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	2nd gen Intel® Core™ i5
Processor modelDiffers	i3-2120	i5-2500S
Processor coresDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.7 GHz
Processor frequencyDiffers	3.3 GHz	2.7 GHz
Processor cacheDiffers	3 MB	6 MB
64-bit computingKnown for one	Unknown — not stated by the source	Yes
CPU multiplier (bus/core ratio)Differs	33	27
Processor codeKnown for one	Unknown — not stated by the source	SR009
Processor seriesDiffers	Intel Core i3-2100 Desktop Series	Intel Core i5-2500 Desktop Series
SteppingKnown for one	Unknown — not stated by the source	D2
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1066,1333 MHz
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Memoryidentical
Memory slotsKnown for one	Unknown — not stated by the source	2
Memory slots typeKnown for one	Unknown — not stated by the source	DIMM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 4 GB
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	1 TB	500 GB
Optical drive typeDiffers	DVD Super Multi	DVD-RW
HDD capacityKnown for one	1 TB	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO Duo, SD, SDHC	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card memoryDiffers	2 GB	1 GB
Discrete graphics card modelKnown for one	NVIDIA® GeForce® GT 520	Unknown — not stated by the source
Audioidentical
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
RMS rated powerKnown for one	Unknown — not stated by the source	6 W
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Built-in subwooferKnown for one	Unknown — not stated by the source	No
Audio systemKnown for one	Unknown — not stated by the source	HD
Cameraidentical
Total megapixelsKnown for one	Unknown — not stated by the source	2 MP
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	2	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
VGA (D-Sub) ports quantityDiffers	0	1
DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
Mini DisplayPorts quantityKnown for one	Unknown — not stated by the source	0
FireWire 800Known for one	Unknown — not stated by the source	No
Composite video inKnown for one	Unknown — not stated by the source	0
Mini PCI Express slotsKnown for one	Unknown — not stated by the source	1
eSATA/USB 2.0 ports quantityKnown for one	Unknown — not stated by the source	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Designidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Processor special features8 differ
Embedded options availableDiffers	Yes	No
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	53426	52211
Supported instruction setsDiffers	AVX	AVX, SSE4.1, SSE4.2
Weight & dimensions3 differ
Width (with stand)Differs	565 mm	545.2 mm
Depth (with stand)Differs	58 mm	81 mm
Height (with stand)Differs	435 mm	414.3 mm
Weight (with stand)Known for one	Unknown — not stated by the source	8.4 kg
Other features2 differ
Graphics card familyDiffers	Intel, NVIDIA	ATI
Audio adapter typeKnown for one	Unknown — not stated by the source	ALC269Q
Camera includedKnown for one	Unknown — not stated by the source	Yes
Copper ethernet cabling technologyKnown for one	Unknown — not stated by the source	1000BASE-T, 100BASE-TX, 10BASE-T
Display includedKnown for one	Unknown — not stated by the source	Yes
Ethernet interface typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Fibre ChannelKnown for one	Unknown — not stated by the source	No
HDMIKnown for one	Unknown — not stated by the source	Yes
Power supplyDiffers	180 W	150 W
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
TV tuner integratedKnown for one	Yes	Unknown — not stated by the source
TV tuner typeKnown for one	DVB-T	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® H61 Express	Unknown — not stated by the source

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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