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

Acer 291G-UD5250W Intel Atom® D525 vs Lenovo ThinkCentre Edge 91z

97specifications compared
54differ
43identical
68known for one product only

Key differences

Display diagonal
- 291G-UD5250W Intel Atom® D525:47 cm (18.5")
- ThinkCentre Edge 91z:54.6 cm (21.5")
Full HD
- 291G-UD5250W Intel Atom® D525:No
- ThinkCentre Edge 91z:Yes
Processor family
- 291G-UD5250W Intel Atom® D525:Intel Atom®
- ThinkCentre Edge 91z:Intel® Core™ i5
Processor model
- 291G-UD5250W Intel Atom® D525:D525
- ThinkCentre Edge 91z:i5-2500S
Processor cores
- 291G-UD5250W Intel Atom® D525:2
- ThinkCentre Edge 91z:4
Processor frequency
- 291G-UD5250W Intel Atom® D525:1.8 GHz
- ThinkCentre Edge 91z:2.7 GHz
Processor cache
- 291G-UD5250W Intel Atom® D525:1 MB
- ThinkCentre Edge 91z:6 MB
Processor cache type
- 291G-UD5250W Intel Atom® D525:L2
- ThinkCentre Edge 91z:Smart Cache

Side by side

Differences highlightedShow differences only

Comparison of 291G-UD5250W, ThinkCentre Edge 91z
165 specifications	A Acer 291G-UD5250W Intel Atom® D525 Model 291G-UD5250W View product	B Lenovo ThinkCentre Edge 91z View product
Display2 differ
Display diagonalDiffers	47 cm (18.5")	54.6 cm (21.5")
Full HDDiffers	No	Yes
Display resolutionKnown for one	1366 x 768 pixels	Unknown — not stated by the source
TouchscreenKnown for one	Yes	Unknown — not stated by the source
HD typeKnown for one	Not supported	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
Processor17 differ
Processor familyDiffers	Intel Atom®	Intel® Core™ i5
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i5
Processor modelDiffers	D525	i5-2500S
Processor coresDiffers	2	4
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.7 GHz
Processor frequencyDiffers	1.8 GHz	2.7 GHz
Processor cacheDiffers	1 MB	6 MB
Processor cache typeDiffers	L2	Smart Cache
Processor socketDiffers	BGA 559	LGA 1155 (Socket H2)
64-bit computingKnown for one	Unknown — not stated by the source	Yes
Thermal Design Power (TDP)Differs	13 W	65 W
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	27
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Processor codeDiffers	SLBXC	SR009
Processor codenameDiffers	Pineview	Sandy Bridge
Processor lithographyDiffers	45 nm	32 nm
Processor seriesDiffers	Intel Atom D500 Series	Intel Core i5-2500 Desktop Series
SteppingDiffers	B0	D2
TcaseKnown for one	Unknown — not stated by the source	69.1 °C
Maximum internal memory supported by processorDiffers	4 GB	32 GB
Memory types supported by processorDiffers	DDR3 800 (SODIMM only); DDR2 667/800	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)Differs	6.4 GB/s	21 GB/s
Memory channels supported by processorDiffers	Single	Dual
Number of Processing Die TransistorsKnown for one	176 M	Unknown — not stated by the source
Processing Die sizeKnown for one	87 mm²	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
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	4 GB	Unknown — not stated by the source
Storage2 differ
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD-RW
Number of SSDs installedKnown for one	0	Unknown — not stated by the source
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
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 cameraKnown for one	Unknown — not stated by the source	Yes
Total megapixelsKnown for one	Unknown — not stated by the source	2 MP
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	5	6
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityDiffers	0	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 portKnown for one	Unknown — not stated by the source	No
FireWire 800Known for one	Unknown — not stated by the source	No
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	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 quantityKnown for one	Unknown — not stated by the source	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
DC-in jackKnown for one	Yes	Unknown — not stated by the source
Design1 differ
Product colourDiffers	Black, Silver	Black
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Softwareidentical
Bundled softwareKnown for one	Microsoft Office Starter, Bing Bar, Windows Live Essentials	Unknown — not stated by the source
Processor special features23 differ
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Idle StatesDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Trusted Execution TechnologyDiffers	No	Yes
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	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® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyDiffers	No	2.0
Processor ARK IDDiffers	49490	52211
Processor package sizeDiffers	22 x 22 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE2, SSE3, SSSE3	AVX, SSE4.1, SSE4.2
Thermal Monitoring TechnologiesDiffers	No	Yes
Physical Address Extension (PAE)Known for one	32 bit	Unknown — not stated by the source
Weight & dimensions3 differ
Width (with stand)Differs	485 mm	545.2 mm
Depth (with stand)Differs	53.3 mm	81 mm
Height (with stand)Differs	381 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	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
Fibre ChannelKnown for one	Unknown — not stated by the source	No
HDMIKnown for one	Unknown — not stated by the source	Yes
Power supplyDiffers	65 W	150 W
Cabling technologyKnown for one	10/100/1000Base-T(X)	Unknown — not stated by the source
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
Optional operating system suppliedKnown for one	Windows 7 Professional 32-bit	Unknown — not stated by the source
Optical driveidentical
Optical drive interfaceKnown for one	SATA	Unknown — not stated by the source
Disc types supportedKnown for one	DVD+R, DVD+RW, DVD-R, DVD-RAM, DVD-RW	Unknown — not stated by the source
Performanceidentical
Motherboard chipsetKnown for one	Intel® NM10 Express	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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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