Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A55 vs NEC PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home

84specifications compared
21differ
63identical
19known for one product only

Key differences

Processor model
- ThinkCentre A55:915
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:820
Processor cache
- ThinkCentre A55:4 MB
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:2 MB
Processor lithography
- ThinkCentre A55:65 nm
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:90 nm
Processor series
- ThinkCentre A55:Intel Pentium D 900 Series
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:Intel Pentium D 800 Series
Processor codename
- ThinkCentre A55:Presler
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:Smithfield
Tcase
- ThinkCentre A55:63.4 °C
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:64.1 °C
Number of Processing Die Transistors
- ThinkCentre A55:376 M
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:230 M
Processing Die size
- ThinkCentre A55:162 mm²
- PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home:206 mm²

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A55, PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home
103 specifications	A Lenovo ThinkCentre A55 View product	B NEC PowerMate ML450 SFF - Intel Pentium D 820, 512MB, 80GB, DVD-ROM, Win XP Home View product
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® D	Intel® Pentium® D
Processor modelDiffers	915	820
Processor cores	2	2
Processor threads	2	2
Processor frequency	2.8 GHz	2.8 GHz
Processor cacheDiffers	4 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithographyDiffers	65 nm	90 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium D 900 Series	Intel Pentium D 800 Series
Processor codenameDiffers	Presler	Smithfield
Thermal Design Power (TDP)	95 W	95 W
TcaseDiffers	63.4 °C	64.1 °C
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	376 M	230 M
Processing Die sizeDiffers	162 mm²	206 mm²
CPU multiplier (bus/core ratio)	14	14
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.40 V
ECC supported by processor	No	No
Memory1 differ
Internal memory	0.5 GB	0.5 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slotsDiffers	2x DIMM	4x DIMM
Storage1 differ
Total storage capacityDiffers	160 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Diskette drive memoryKnown for one	Unknown — not stated by the source	No
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 3000	Intel® GMA 950
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.224 GB
Performanceidentical
Product type	PC	PC
Networkidentical
Networking features	Gigabit Ethernet	Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-outKnown for one	Unknown — not stated by the source	Yes
Line-inKnown for one	Unknown — not stated by the source	Yes
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 Express 16X 1x PCI Express 1X 2x PCI
Power1 differ
Power supplyDiffers	280 W	250 W
Power supply input voltageKnown for one	Unknown — not stated by the source	110/220 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design2 differ
Chassis typeDiffers	Tower	SFF
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	IBM	Kensington
External drive baysKnown for one	Unknown — not stated by the source	1x 5.25" / 1x 3.5"
Internal drive baysKnown for one	Unknown — not stated by the source	1x 3.5"
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows XP Home Edition
Bundled softwareKnown for one	Adobe Acrobat Reader, Diskeeper Lite from Diskeeper, Google Desktop, Google Toolbar, Lotus Notes Stand-alone Client, Lotus SmartSuite Millennium edition, PC Doctor diagnostics, Picasa - Google, Symantec Client Security (OEM), ThinkVantage Client Security Software, ThinkVantage Productivity Center, T	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features2 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
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	No	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)	No	No
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)	32 bit	32 bit
Processor ARK IDDiffers	27515	27512
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Conflict-Free processor	No	No
Audio1 differ
Audio systemDiffers	ADI 1986 A	AC'97
Weight & dimensions3 differ
WidthDiffers	175 mm	100 mm
DepthDiffers	440 mm	407 mm
HeightDiffers	402 mm	348 mm
WeightKnown for one	11 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
SafetyKnown for one	Unknown — not stated by the source	CE Mark, EN 55022 B, EN50082-1, EN 60950
Optical driveidentical
CD read speedKnown for one	48x	Unknown — not stated by the source
CD write speedKnown for one	48x	Unknown — not stated by the source
CD rewrite speedKnown for one	32x	Unknown — not stated by the source
DVD read speedKnown for one	16x	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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