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")
Full HD	Yes	Yes
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 manufacturer	Intel	Intel
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 threads	4	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
Processor cache type	Smart Cache	Smart Cache
Processor socket	LGA 1155 (Socket H2)	LGA 1155 (Socket H2)
64-bit computingKnown for one	Unknown — not stated by the source	Yes
Thermal Design Power (TDP)	65 W	65 W
Bus type	DMI	DMI
CPU multiplier (bus/core ratio)Differs	33	27
FSB Parity	No	No
Maximum number of PCI Express lanes	16	16
PCI Express slots version	2.0	2.0
Processor codeKnown for one	Unknown — not stated by the source	SR009
Processor codename	Sandy Bridge	Sandy Bridge
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-2100 Desktop Series	Intel Core i5-2500 Desktop Series
SteppingKnown for one	Unknown — not stated by the source	D2
Tcase	69.1 °C	69.1 °C
Conflict-Free processor	No	No
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	1066,1333 MHz
Memory bandwidth supported by processor (max)	21 GB/s	21 GB/s
Memory channels supported by processor	Dual	Dual
ECC supported by processor	No	No
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory slotsKnown for one	Unknown — not stated by the source	2
Memory slots typeKnown for one	Unknown — not stated by the source	DIMM
Memory clock speed	1333 MHz	1333 MHz
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
Storage media	HDD	HDD
Number of storage drives installed	1	1
Number of HDDs installed	1	1
HDD speed	7200 RPM	7200 RPM
HDD interface	SATA	SATA
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Card reader integrated	Yes	Yes
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
On-board graphics card	Yes	Yes
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics 2000	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)	2	2
On-board graphics card base frequency	850 MHz	850 MHz
On-board graphics card dynamic frequency (max)	1100 MHz	1100 MHz
On-board graphics card ID	0x102	0x102
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
Built-in camera	Yes	Yes
Total megapixelsKnown for one	Unknown — not stated by the source	2 MP
Networkidentical
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
Bluetooth	No	No
Ports & interfaces3 differ
Ethernet LAN (RJ-45) ports	1	1
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
HDMI ports quantity	1	1
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
DVI port	No	No
Headphone outputs	1	1
Microphone in	Yes	Yes
FireWire 800Known for one	Unknown — not stated by the source	No
Firewire (IEEE 1394) ports	0	0
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
PS/2 ports quantity	0	0
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
Product colour	Black	Black
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Processor special features8 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
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 Identity Protection Technology version	1.00	1.00
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
Intel® Anti-Theft Technology (Intel® AT)	No	No
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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Intel® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	53426	52211
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
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
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard included	Yes	Yes
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
Chassis type	All-in-One	All-in-One
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
Storage drive interface	Serial ATA	Serial ATA
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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