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

Acer Aspire Z5771- H61 vs Lenovo IdeaCentre B540

113specifications compared
36differ
77identical
38known for one product only

Key differences

Processor family
- Aspire Z5771- H61:Intel® Core™ i3
- IdeaCentre B540:Intel® Core™ i5
Processor generation
- Aspire Z5771- H61:2nd gen Intel® Core™ i3
- IdeaCentre B540:3rd gen Intel® Core™ i5
Processor model
- Aspire Z5771- H61:i3-2120
- IdeaCentre B540:i5-3450S
Processor cores
- Aspire Z5771- H61:2
- IdeaCentre B540:4
Processor frequency
- Aspire Z5771- H61:3.3 GHz
- IdeaCentre B540:2.8 GHz
Processor cache
- Aspire Z5771- H61:3 MB
- IdeaCentre B540:6 MB
CPU multiplier (bus/core ratio)
- Aspire Z5771- H61:33
- IdeaCentre B540:28
PCI Express slots version
- Aspire Z5771- H61:2.0
- IdeaCentre B540:3.0

Side by side

Differences highlightedShow differences only

Comparison of Aspire Z5771- H61, IdeaCentre B540
151 specifications	A Acer Aspire Z5771- H61 View product	B Lenovo IdeaCentre B540 View product
Displayidentical
Display diagonal	58.4 cm (23")	58.4 cm (23")
Display resolution	1920 x 1080 pixels	1920 x 1080 pixels
Touchscreen	Yes	Yes
HD type	Full HD	Full HD
Full HD	Yes	Yes
LED backlight	Yes	Yes
Touch technologyKnown for one	Unknown — not stated by the source	Multi-touch
Native aspect ratio	16:9	16:9
Display brightnessKnown for one	250 cd/m²	Unknown — not stated by the source
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Core™ i5
Processor generationDiffers	2nd gen Intel® Core™ i3	3rd gen Intel® Core™ i5
Processor modelDiffers	i3-2120	i5-3450S
Processor coresDiffers	2	4
Processor threads	4	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.5 GHz
Processor frequencyDiffers	3.3 GHz	2.8 GHz
Processor cacheDiffers	3 MB	6 MB
Processor cache type	Smart Cache	Smart Cache
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
System bus rate	5 GT/s	5 GT/s
Thermal Design Power (TDP)	65 W	65 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Differs	33	28
FSB Parity	No	No
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x8, 1x16, 2x4, 2x8
PCI Express slots versionDiffers	2.0	3.0
Processor codenameDiffers	Sandy Bridge	Ivy Bridge
Processor lithographyDiffers	32 nm	22 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2100 Desktop Series	Intel Core i5-3400 Desktop series
SteppingKnown for one	Unknown — not stated by the source	E1
Tcase	69.1 °C	69.1 °C
Conflict-Free processorDiffers	No	Yes
Maximum internal memory supported by processor	32 GB	32 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	1333,1600 MHz
Memory bandwidth supported by processor (max)Differs	21 GB/s	25.6 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
64-bit computingKnown for one	Yes	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	6 GB	8 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slots	2	2
Memory slots type	SO-DIMM	SO-DIMM
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	2 x 4 GB
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacity	1 TB	1 TB
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of HDDs installed	1	1
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD interface	SATA	SATA
Optical drive type	DVD±RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO Duo, MS Pro-HG Duo, SD, SDHC	Memory Stick (MS), MMC, MS PRO, SD, SDHC, SDXC
Graphics4 differ
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	2 GB
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 2000	Intel® HD Graphics 2500
Number of displays supported (on-board graphics)Differs	2	3
On-board graphics card base frequencyDiffers	850 MHz	650 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card IDDiffers	0x102	0x152
Audioidentical
Built-in speaker(s)	Yes	Yes
Built-in microphone	Yes	Yes
Audio system	HD	HD
RMS rated powerKnown for one	2.5 W	Unknown — not stated by the source
Cameraidentical
Built-in camera	Yes	Yes
Total megapixelsKnown for one	1.3 MP	Unknown — not stated by the source
Network1 differ
Wi-Fi	Yes	Yes
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 rates	10,100,1000 Mbit/s	10,100,1000 Mbit/s
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Ports & interfaces2 differ
Ethernet LAN (RJ-45) ports	1	1
USB 2.0 ports quantity	4	4
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityDiffers	2	0
HDMI ports quantityDiffers	2	1
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	1	1
Microphone in	Yes	Yes
DC-in jackKnown for one	Unknown — not stated by the source	Yes
Designidentical
Product colour	Black	Black
Softwareidentical
Operating system installed	Windows 7 Home Premium	Windows 7 Home Premium
Operating system architecture	64-bit	64-bit
Processor special features9 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	22 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 TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	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 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)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)Differs	No	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® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)	Yes	Yes
Intel® InTru™ 3D Technology	Yes	Yes
Intel® Insider™	Yes	Yes
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	Yes	Yes
Intel® Secure KeyKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Wireless Display (Intel® WiDi)Differs	No	Yes
Processor ARK IDDiffers	53426	65512
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	AVX	AVX, SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Thermal solution specificationKnown for one	Unknown — not stated by the source	PCG 2011C
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	200 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50/60 Hz
AC adapter input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Weight & dimensions3 differ
Width (with stand)Differs	565 mm	412 mm
Depth (with stand)Differs	58 mm	110 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	Unknown — not stated by the source	ENERGY STAR
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
Warranty cardKnown for one	Unknown — not stated by the source	Yes
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Graphics card familyDiffers	Intel	NVIDIA
Chassis typeKnown for one	Unknown — not stated by the source	All-in-One
Display includedKnown for one	Unknown — not stated by the source	Yes
Headphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Storage drive interface	Serial ATA	Serial ATA
Performanceidentical
Motherboard chipsetKnown for one	Intel® H61	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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