Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 Intel® Pentium® 4 630 vs NEC PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro

79specifications compared
25differ
54identical
22known for one product only

Key differences

Processor family
- ThinkCentre A51 Intel® Pentium® 4 630:Intel® Pentium® 4
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:Intel® Pentium® D
Processor model
- ThinkCentre A51 Intel® Pentium® 4 630:630
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:820
Processor cores
- ThinkCentre A51 Intel® Pentium® 4 630:1
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:2
Processor frequency
- ThinkCentre A51 Intel® Pentium® 4 630:3 GHz
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:2.8 GHz
Processor codename
- ThinkCentre A51 Intel® Pentium® 4 630:Prescott
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:Smithfield
Thermal Design Power (TDP)
- ThinkCentre A51 Intel® Pentium® 4 630:84 W
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:95 W
Tcase
- ThinkCentre A51 Intel® Pentium® 4 630:66.6 °C
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:64.1 °C
Number of Processing Die Transistors
- ThinkCentre A51 Intel® Pentium® 4 630:169 M
- PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro:230 M

Side by side

Differences highlightedShow differences only

Comparison of A51, PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro
101 specifications	A Lenovo ThinkCentre A51 Intel® Pentium® 4 630 Model A51 View product	B NEC PowerMate ML450 MicroTower - Intel Pentium D 820, 1024MB, 80GB, DVD-ROM, Win XP Pro View product
Processor11 differ
Processor familyDiffers	Intel® Pentium® 4	Intel® Pentium® D
Processor modelDiffers	630	820
Processor coresDiffers	1	2
Processor frequencyDiffers	3 GHz	2.8 GHz
Processor seriesDiffers	Intel Pentium 4 600 Series supporting Hyper-Threading Technology	Intel Pentium D 800 Series
Processor codenameDiffers	Prescott	Smithfield
Thermal Design Power (TDP)Differs	84 W	95 W
TcaseDiffers	66.6 °C	64.1 °C
Number of Processing Die TransistorsDiffers	169 M	230 M
Processing Die sizeDiffers	135 mm²	206 mm²
CPU multiplier (bus/core ratio)Differs	15	14
Number of processors installedKnown for one	Unknown — not stated by the source	1
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.25 - 1.40 V
Memory1 differ
Internal memoryDiffers	0.25 GB	1 GB
Memory slotsKnown for one	Unknown — not stated by the source	4x DIMM
Storageidentical
Storage drive typeKnown for one	SATA	Unknown — not stated by the source
Diskette drive memoryKnown for one	1.44 MB	Unknown — not stated by the source
Graphics1 differ
Discrete graphics card modelDiffers	Intel® GMA 900	Intel® GMA 950
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Video adapter, busKnown for one	PCI Express	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.224 GB
Optical driveidentical
DVD read speedKnown for one	16x	Unknown — not stated by the source
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Gigabit Ethernet
Ports & interfacesidentical
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
TV-outKnown for one	No	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
USB 1.1 ports quantityKnown for one	0	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	310 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
Design1 differ
Chassis typeDiffers	Desktop	Micro Tower
External drive baysKnown for one	Unknown — not stated by the source	2x 5.25"; 2x 3.5"
Internal drive baysKnown for one	Unknown — not stated by the source	2x 3.5"
Processor special features5 differ
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Idle StatesDiffers	No	Yes
Intel Enhanced Halt StateDiffers	No	Yes
Processor ARK IDDiffers	27478	27512
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	32 bit
Audio1 differ
Audio systemDiffers	SoundMAX Cadenza	AC'97
Weight & dimensions3 differ
WidthDiffers	442 mm	181 mm
DepthDiffers	401 mm	402 mm
HeightDiffers	146 mm	384 mm
WeightKnown for one	14 kg	Unknown — not stated by the source
Other featuresidentical
Security featuresKnown for one	-Parallel port I/O control -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Boot sequence control -Boot without keyboard or mouse -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature	Unknown — not stated by the source
Expansion slotsidentical
Expansion slotsKnown for one	Unknown — not stated by the source	1x PCI Express 16X 1x PCI Express 1X 2x PCI
Certificatesidentical
SafetyKnown for one	Unknown — not stated by the source	CE Mark, EN 55022 B, EN50082-1, EN 60950

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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