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

Acer 771- Blu vs Lenovo B540 Intel® Core™ i3 i3-2130

103specifications compared
43differ
60identical
34known for one product only

Key differences

Processor family
- 771- Blu:Intel® Core™ i5
- B540 Intel® Core™ i3 i3-2130:Intel® Core™ i3
Processor generation
- 771- Blu:3rd gen Intel® Core™ i5
- B540 Intel® Core™ i3 i3-2130:2nd gen Intel® Core™ i3
Processor model
- 771- Blu:i5-3470S
- B540 Intel® Core™ i3 i3-2130:i3-2130
Processor cores
- 771- Blu:4
- B540 Intel® Core™ i3 i3-2130:2
Processor frequency
- 771- Blu:2.9 GHz
- B540 Intel® Core™ i3 i3-2130:3.4 GHz
Processor cache
- 771- Blu:6 MB
- B540 Intel® Core™ i3 i3-2130:3 MB
CPU multiplier (bus/core ratio)
- 771- Blu:29
- B540 Intel® Core™ i3 i3-2130:34
PCI Express slots version
- 771- Blu:3.0
- B540 Intel® Core™ i3 i3-2130:2.0

Side by side

Differences highlightedShow differences only

Comparison of 771- Blu, B540
137 specifications	A Acer 771- Blu View product	B Lenovo B540 Intel® Core™ i3 i3-2130 Model B540 View product
Displayidentical
TouchscreenKnown for one	Yes	Unknown — not stated by the source
Touch technologyKnown for one	Multi-touch	Unknown — not stated by the source
Processor12 differ
Processor familyDiffers	Intel® Core™ i5	Intel® Core™ i3
Processor generationDiffers	3rd gen Intel® Core™ i5	2nd gen Intel® Core™ i3
Processor modelDiffers	i5-3470S	i3-2130
Processor coresDiffers	4	2
Processor boost frequencyKnown for one	3.6 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.9 GHz	3.4 GHz
Processor cacheDiffers	6 MB	3 MB
CPU multiplier (bus/core ratio)Differs	29	34
FSB ParityKnown for one	No	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionDiffers	3.0	2.0
Processor codenameDiffers	Ivy Bridge	Sandy Bridge
Processor lithographyDiffers	22 nm	32 nm
Processor seriesKnown for one	Intel Core i5-3400 Desktop series	Unknown — not stated by the source
Conflict-Free processorKnown for one	Yes	Unknown — not stated by the source
Memory clock speeds supported by processorDiffers	1333,1600 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	21 GB/s
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
Processor codeKnown for one	Unknown — not stated by the source	SR05W
SteppingKnown for one	Unknown — not stated by the source	Q0
Memory1 differ
Internal memoryDiffers	8 GB	4 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1600 MHz
Storage4 differ
Total storage capacityDiffers	2 TB	500 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD interfaceDiffers	SATA	SATA III
Optical drive typeDiffers	CD-RW/DVD Combo	DVD±RW
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO Duo, MS Pro-HG Duo, SD, SDHC	Unknown — not stated by the source
Graphics6 differ
Discrete graphics card modelDiffers	NVIDIA® GeForce® GT 620M	Not available
Discrete graphics card memoryKnown for one	2 GB	Unknown — not stated by the source
On-board graphics card modelDiffers	Intel® HD Graphics 2500	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)Differs	3	2
On-board graphics card base frequencyDiffers	650 MHz	850 MHz
On-board graphics card dynamic frequency (max)Differs	1150 MHz	1100 MHz
On-board graphics card IDDiffers	0x152	0x102
Audioidentical
RMS rated powerKnown for one	2.5 W	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	HD	Unknown — not stated by the source
Cameraidentical
Built-in cameraKnown for one	Yes	Unknown — not stated by the source
Total megapixelsKnown for one	1.3 MP	Unknown — not stated by the source
Network1 differ
Wi-Fi standardsDiffers	802.11a, 802.11b, 802.11g	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth versionKnown for one	4.0	Unknown — not stated by the source
Top Wi-Fi standardKnown for one	Unknown — not stated by the source	Wi-Fi 4 (802.11n)
Ports & interfaces2 differ
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	4
HDMI ports quantityDiffers	1	2
Design1 differ
Product colourDiffers	Black	Black, Silver
Performanceidentical
Motherboard chipsetKnown for one	Intel® H61 Express	Unknown — not stated by the source
Processor special features9 differ
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Secure Key Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel TSX-NI versionKnown for one	0.00	Unknown — not stated by the source
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	2.0	No
Intel® Wireless Display (Intel® WiDi)Differs	Yes	No
Processor ARK IDDiffers	68315	53428
Processor package sizeDiffers	37.5 mm	37.5 x 37.5 mm
Thermal solution specificationKnown for one	PCG 2011C	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Weight & dimensions3 differ
Width (with stand)Differs	565 mm	411.9 mm
Depth (with stand)Differs	58 mm	110.3 mm
Height (with stand)Differs	435 mm	576.6 mm
Weight (with stand)Known for one	Unknown — not stated by the source	9.18 kg
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	Unknown — not stated by the source
Packaging content2 differ
Mouse includedDiffers	Yes	No
Keyboard includedDiffers	Yes	No
Other features2 differ
Graphics card familyDiffers	NVIDIA	Intel
Storage drive interfaceDiffers	Serial ATA	Serial ATA III

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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