Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C vs Lenovo ThinkCentre A51p P4 530 3.0GHz

84specifications compared
12differ
72identical
12known for one product only

Key differences

The Lenovo ThinkCentre A51p P4 530 3.0GHz has 0.25 GB more internal memory than the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C (0.5 GB vs 0.25 GB). The Lenovo ThinkCentre A51p P4 530 3.0GHz has 80 GB more total storage capacity than the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C (160 GB vs 80 GB). The Lenovo ThinkCentre A51p P4 530 3.0GHz has 2 more USB 2.0 ports quantity than the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C (8 vs 6). Storage drive type: Serial ATA on the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C, SATA on the Lenovo ThinkCentre A51p P4 530 3.0GHz. Networking features: Ethernet/Fast Ethernet on the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C, Ethernet/Fast Ethernet/Gigabit Ethernet on the Lenovo ThinkCentre A51p P4 530 3.0GHz.

Internal memory
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:0.25 GB
- ThinkCentre A51p P4 530 3.0GHz:0.5 GB
Total storage capacity
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:80 GB
- ThinkCentre A51p P4 530 3.0GHz:160 GB
Storage drive type
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:Serial ATA
- ThinkCentre A51p P4 530 3.0GHz:SATA
USB 2.0 ports quantity
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:6
- ThinkCentre A51p P4 530 3.0GHz:8
Serial ports quantity
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:1
- ThinkCentre A51p P4 530 3.0GHz:0
Chassis type
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:Desktop
- ThinkCentre A51p P4 530 3.0GHz:Tower
Width
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:442 mm
- ThinkCentre A51p P4 530 3.0GHz:175 mm
Depth
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:401 mm
- ThinkCentre A51p P4 530 3.0GHz:450 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C, ThinkCentre A51p P4 530 3.0GHz
96 specifications	A Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C View product	B Lenovo ThinkCentre A51p P4 530 3.0GHz View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	530	530
Processor cores	1	1
Processor threads	1	1
Processor frequency	1.73 GHz	1.73 GHz
Processor cache	1 MB	1 MB
Processor cache type	L2	L2
Processor front side bus	533 MHz	533 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor codename	Merom	Merom
Thermal Design Power (TDP)	27 W	27 W
Tcase	67.7 °C	67.7 °C
Tjunction	100 °C	100 °C
Processor socket	Socket AM2	Socket AM2
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)	14	14
Processor core voltage (AC)	0.95 - 1.30 V	0.95 - 1.30 V
Stepping	A1	A1
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	0.25 GB	0.5 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Storage2 differ
Total storage capacityDiffers	80 GB	160 GB
Storage drive typeDiffers	Serial ATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card model	Intel® GMA 900	Intel® GMA 900
Video adapter resolution	2048x1536 16777216 colors	2048x1536 16777216 colors
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Network1 differ
Networking featuresDiffers	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfaces2 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 quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
S/PDIF out portKnown for one	Unknown — not stated by the source	No
SmartCard slotKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
Serial ports quantityDiffers	1	0
Parallel ports quantity	1	1
Modem (RJ-11) portsKnown for one	Unknown — not stated by the source	0
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Poweridentical
Power supply	310 W	310 W
Design1 differ
Chassis typeDiffers	Desktop	Tower
Softwareidentical
Operating system installed	Windows XP Professional	Windows XP Professional
Bundled softwareKnown for one	Unknown — not stated by the source	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Lotus SmartSuite Millennium, Access program, IBM Director Agent (web deliverable), ThinkVantage Client Security Software (web-downloadable), Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics, ThinkVantage Rescue
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	Yes	Yes
Enhanced Intel SpeedStep Technology	No	No
Execute Disable Bit	Yes	Yes
Idle States	No	No
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	No	No
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
Processor ARK ID	29733	29733
Processor code	SLA2G	SLA2G
Processor package size	35 mm	35 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
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	442 mm	175 mm
DepthDiffers	401 mm	450 mm
HeightDiffers	146 mm	492 mm
WeightDiffers	14 kg	13.5 kg
Other features1 differ
Security featuresDiffers	-U-Bolt anchoring feature -Serial port I/O control -Hardfile I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Diskette I/O control	-Configuration password -Boot sequence control -Boot without keyboard or mouse -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Kensington Lock Standard Enabled -Hard disk drive password -Embedded Security Subsystem standard -Parallel port I/O control -Serial port I/O control -Sec
Optical driveidentical
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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