Product comparison · 2 pcs/workstations

HP Compaq Presario SR1729NL pc (ER035AA) vs Lenovo ThinkCentre A51 P4 531 HT 3.0GHz

25specifications compared
15differ
10identical
26known for one product only

Key differences

Processor family
- Compaq Presario SR1729NL pc (ER035AA):Intel® Celeron®
- ThinkCentre A51 P4 531 HT 3.0GHz:Intel® Pentium® 4
Processor frequency
- Compaq Presario SR1729NL pc (ER035AA):3.06 GHz
- ThinkCentre A51 P4 531 HT 3.0GHz:3 GHz
Processor front side bus
- Compaq Presario SR1729NL pc (ER035AA):533 MHz
- ThinkCentre A51 P4 531 HT 3.0GHz:800 MHz
Internal memory
- Compaq Presario SR1729NL pc (ER035AA):0.5 GB
- ThinkCentre A51 P4 531 HT 3.0GHz:0.25 GB
Total storage capacity
- Compaq Presario SR1729NL pc (ER035AA):160 GB
- ThinkCentre A51 P4 531 HT 3.0GHz:80 GB
HDD interface
- Compaq Presario SR1729NL pc (ER035AA):Ultra-ATA/133
- ThinkCentre A51 P4 531 HT 3.0GHz:SATA
Discrete graphics card model
- Compaq Presario SR1729NL pc (ER035AA):AMD Radeon Xpress 200
- ThinkCentre A51 P4 531 HT 3.0GHz:Intel® GMA 900
Networking features
- Compaq Presario SR1729NL pc (ER035AA):Fast Ethernet
- ThinkCentre A51 P4 531 HT 3.0GHz:Ethernet/Fast Ethernet

Side by side

Differences highlightedShow differences only

Comparison of Compaq Presario SR1729NL pc (ER035AA), ThinkCentre A51 P4 531 HT 3.0GHz
51 specifications	A HP Compaq Presario SR1729NL pc (ER035AA)View product	B Lenovo ThinkCentre A51 P4 531 HT 3.0GHz View product
Processor3 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium® 4
Processor frequencyDiffers	3.06 GHz	3 GHz
Processor cacheKnown for one	0.256 MB	Unknown — not stated by the source
Processor cache typeKnown for one	L2	Unknown — not stated by the source
Processor front side busDiffers	533 MHz	800 MHz
Memory1 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Storage2 differ
Total storage capacityDiffers	160 GB	80 GB
HDD interfaceDiffers	Ultra-ATA/133	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Diskette drive memoryKnown for one	Unknown — not stated by the source	1.44 MB
Graphics1 differ
Discrete graphics card modelDiffers	AMD Radeon Xpress 200	Intel® GMA 900
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Video adapter, busKnown for one	Unknown — not stated by the source	PCI Express
Performanceidentical
Product type	PC	PC
Network1 differ
Networking featuresDiffers	Fast Ethernet	Ethernet/Fast Ethernet
Networking speedKnown for one	10/100 Mbps Base-TX	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	7	6
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
Firewire (IEEE 1394) portsKnown for one	2	Unknown — not stated by the source
SmartCard slotKnown for one	Yes	Unknown — not stated by the source
Parallel ports quantity	1	1
Serial ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
Expansion slotsKnown for one	1x PCI-Express 16x 3x PCI	Unknown — not stated by the source
Designidentical
External drive baysKnown for one	2	Unknown — not stated by the source
Internal drive baysKnown for one	1	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Chassis typeKnown for one	Unknown — not stated by the source	Desktop
Software1 differ
Compatible operating systemsKnown for one	Windows XP Home Edition	Unknown — not stated by the source
Bundled softwareDiffers	- Microsoft Works 8.0 - Microsoft Internet Explorer 6.0 - Microsoft Outlook Express - Adobe Reader 7.0 - Sonic DigitalMedia Plus 7: Sonic RecordNow - Sonic MyDVD - Sonic Easy Archive - Sonic Express Labeler - Microsoft MovieMaker - Microsoft Windows Media Player 10 - InterVideo WinDVD 5.0	Access program, ThinkVantage Rescue and Recovery with Rapid Restore, Norton AntiVirus 2005 with 90 days of virus definition upgrades, PC Doctor diagnostics
Operating system installedKnown for one	Unknown — not stated by the source	Windows XP Professional
Displayidentical
Display included	No	No
Audio1 differ
Audio systemDiffers	Intel HDA 7.1	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	182 mm	442 mm
DepthDiffers	420 mm	401 mm
HeightDiffers	390 mm	146 mm
WeightDiffers	12.8 kg	14 kg
Packaging dataidentical
Package dimensions (WxDxH)Known for one	500 x 300 x 600 mm	Unknown — not stated by the source
Package weightKnown for one	14.5 kg	Unknown — not stated by the source
Other featuresidentical
Bundled hardwareKnown for one	PS/2 keyboard & mouse	Unknown — not stated by the source
Security featuresKnown for one	Unknown — not stated by the source	-Boot sequence control -Diskette boot inhibit -Configuration password -Boot without keyboard or mouse -U-Bolt anchoring feature -Serial port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Diskette I/O control -Hardfile I/O control -Parallel port I/O control
Optical driveidentical
DVD read speedKnown for one	Unknown — not stated by the source	16x
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	310 W

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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