Product comparison · 2 pcs/workstations

AcerPower S290 vs Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), BE

28specifications compared
14differ
14identical
63known for one product only

Key differences

The AcerPower S290 has 1.66 GHz more processor frequency than the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), BE (3.46 GHz vs 1.8 GHz). The Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), BE has 267 MHz more processor front side bus than the AcerPower S290 (800 MHz vs 533 MHz). The Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), BE has 0.5 GB more internal memory than the AcerPower S290 (1 GB vs 0.5 GB). Processor family: Intel® Celeron® on the AcerPower S290, Intel® Core™2 Duo on the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), BE. Discrete graphics card model: MiRage 3 on the AcerPower S290, Intel® GMA 3000 on the Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), BE.

Processor family
- AcerPower S290:Intel® Celeron®
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:Intel® Core™2 Duo
Processor frequency
- AcerPower S290:3.46 GHz
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:1.8 GHz
Processor front side bus
- AcerPower S290:533 MHz
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:800 MHz
Internal memory
- AcerPower S290:0.5 GB
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:1 GB
Discrete graphics card model
- AcerPower S290:MiRage 3
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:Intel® GMA 3000
USB 2.0 ports quantity
- AcerPower S290:6
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:8
Power supply
- AcerPower S290:250 W
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:225 W
Chassis type
- AcerPower S290:Tower
- ThinkCentre M55e Small Desktop (9645-Q1G), BE:Small Desktop

Side by side

Differences highlightedShow differences only

Comparison of AcerPower S290, ThinkCentre M55e Small Desktop (9645-Q1G), BE
91 specifications	A Acer AcerPower S290 View product	B Lenovo ThinkCentre M55e Small Desktop (9645-Q1G), BE View product
Processor3 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Core™2 Duo
Processor modelKnown for one	Unknown — not stated by the source	E4300
Processor coresKnown for one	Unknown — not stated by the source	2
Processor threadsKnown for one	Unknown — not stated by the source	2
Processor frequencyDiffers	3.46 GHz	1.8 GHz
Processor cacheKnown for one	Unknown — not stated by the source	2 MB
Processor cache typeKnown for one	Unknown — not stated by the source	L2
Processor front side busDiffers	533 MHz	800 MHz
Bus typeKnown for one	Unknown — not stated by the source	FSB
FSB ParityKnown for one	Unknown — not stated by the source	No
Processor lithographyKnown for one	Unknown — not stated by the source	65 nm
Processor operating modesKnown for one	Unknown — not stated by the source	64-bit
Processor seriesKnown for one	Unknown — not stated by the source	Intel Core 2 Duo E4000 Series
Processor codenameKnown for one	Unknown — not stated by the source	Conroe
Thermal Design Power (TDP)Known for one	Unknown — not stated by the source	65 W
Scenario Design Power (SDP)Known for one	Unknown — not stated by the source	12 W
TcaseKnown for one	Unknown — not stated by the source	61.4 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socketKnown for one	Unknown — not stated by the source	LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	167 M
Processing Die sizeKnown for one	Unknown — not stated by the source	111 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	9
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.225 - 1.325 V
ECC supported by processorKnown for one	Unknown — not stated by the source	No
Memory1 differ
Internal memoryDiffers	0.5 GB	1 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Storageidentical
Total storage capacity	80 GB	80 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
HDD interfaceKnown for one	Unknown — not stated by the source	SATA
HDD speed	7200 RPM	7200 RPM
Graphics1 differ
Discrete graphics card modelDiffers	MiRage 3	Intel® GMA 3000
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
Serial ports quantity	1	1
Parallel ports quantity	1	1
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI 1x PCI Express 1x PCI
Power1 differ
Power supplyDiffers	250 W	225 W
Design1 differ
Chassis typeDiffers	Tower	Small Desktop
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
Software2 differ
Operating system installedDiffers	Windows Vista Business	Windows XP Professional
Bundled softwareDiffers	Acer Empowering Technology Lite, LANScope Lite, Norton AntiVirus, Adobe Reader, Cyberlink PowerDVD	Yes
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	Unknown — not stated by the source	Yes
Enhanced Intel SpeedStep TechnologyKnown for one	Unknown — not stated by the source	Yes
Execute Disable BitKnown for one	Unknown — not stated by the source	Yes
Idle StatesKnown for one	Unknown — not stated by the source	Yes
Intel 64Known for one	Unknown — not stated by the source	Yes
Intel Clear Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel Demand Based SwitchingKnown for one	Unknown — not stated by the source	No
Intel Dual Display Capable TechnologyKnown for one	Unknown — not stated by the source	No
Intel Enhanced Halt StateKnown for one	Unknown — not stated by the source	Yes
Intel FDI TechnologyKnown for one	Unknown — not stated by the source	No
Intel Fast Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Flex Memory AccessKnown for one	Unknown — not stated by the source	No
Intel Rapid Storage TechnologyKnown for one	Unknown — not stated by the source	No
Intel Trusted Execution TechnologyKnown for one	Unknown — not stated by the source	No
Intel VT-x with Extended Page Tables (EPT)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology (VT-x)Known for one	Unknown — not stated by the source	No
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	Unknown — not stated by the source	No
Intel® AES New Instructions (Intel® AES-NI)Known for one	Unknown — not stated by the source	No
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Unknown — not stated by the source	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	Unknown — not stated by the source	No
Intel® InTru™ 3D TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Insider™Known for one	Unknown — not stated by the source	No
Intel® Wireless Display (Intel® WiDi)Known for one	Unknown — not stated by the source	No
Processor ARK IDKnown for one	Unknown — not stated by the source	28024
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	Yes
Intel® Turbo Boost TechnologyKnown for one	Unknown — not stated by the source	No
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Unknown — not stated by the source	No
Intel® Quick Sync Video TechnologyKnown for one	Unknown — not stated by the source	No
Intel® My WiFi Technology (Intel® MWT)Known for one	Unknown — not stated by the source	No
Intel® Anti-Theft Technology (Intel® AT)Known for one	Unknown — not stated by the source	No
Conflict-Free processorKnown for one	Unknown — not stated by the source	No
Audio1 differ
Audio systemDiffers	High Definition Audio 7.1	ADI 1986 A
Weight & dimensions3 differ
WidthDiffers	183 mm	310 mm
DepthDiffers	455 mm	358 mm
HeightDiffers	370 mm	87.5 mm
WeightKnown for one	Unknown — not stated by the source	8.5 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Intel segment taggingKnown for one	Unknown — not stated by the source	Enterprise, Professional

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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