Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51p P4 560 3.6GHz vs Lenovo TS ThinkCentre A51 P4-3.0

82specifications compared
24differ
58identical
11known for one product only

Key differences

Processor family
- ThinkCentre A51p P4 560 3.6GHz:Intel® Celeron®
- TS ThinkCentre A51 P4-3.0:Intel® Pentium® 4
Processor model
- ThinkCentre A51p P4 560 3.6GHz:560
- TS ThinkCentre A51 P4-3.0:530
Processor frequency
- ThinkCentre A51p P4 560 3.6GHz:2.13 GHz
- TS ThinkCentre A51 P4-3.0:1.73 GHz
Thermal Design Power (TDP)
- ThinkCentre A51p P4 560 3.6GHz:31 W
- TS ThinkCentre A51 P4-3.0:27 W
Tcase
- ThinkCentre A51p P4 560 3.6GHz:100 °C
- TS ThinkCentre A51 P4-3.0:67.7 °C
Processor socket
- ThinkCentre A51p P4 560 3.6GHz:Socket 478
- TS ThinkCentre A51 P4-3.0:Socket AM2
CPU multiplier (bus/core ratio)
- ThinkCentre A51p P4 560 3.6GHz:16
- TS ThinkCentre A51 P4-3.0:14
Maximum internal memory
- ThinkCentre A51p P4 560 3.6GHz:4 GB
- TS ThinkCentre A51 P4-3.0:2 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre A51p P4 560 3.6GHz, TS ThinkCentre A51 P4-3.0
93 specifications	A Lenovo ThinkCentre A51p P4 560 3.6GHz View product	B Lenovo TS ThinkCentre A51 P4-3.0 View product
Processor7 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Pentium® 4
Processor modelDiffers	560	530
Processor cores	1	1
Processor threads	1	1
Processor frequencyDiffers	2.13 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)Differs	31 W	27 W
TcaseDiffers	100 °C	67.7 °C
Tjunction	100 °C	100 °C
Processor socketDiffers	Socket 478	Socket AM2
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	16	14
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.95 - 1.30 V
SteppingKnown for one	Unknown — not stated by the source	A1
ECC supported by processor	No	No
Memory2 differ
Internal memory	0.5 GB	0.5 GB
Maximum internal memoryDiffers	4 GB	2 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Storage2 differ
Total storage capacityDiffers	160 GB	80 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
Storage drive type	SATA	SATA
Diskette drive memory	1.44 MB	1.44 MB
Graphics1 differ
Discrete graphics card modelDiffers	AMD Radeon X600 Pro	Intel® GMA 900
Video adapter, bus	PCI Express	PCI Express
Performanceidentical
Product type	PC	PC
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
DVD read speedKnown for one	Unknown — not stated by the source	16x
Networkidentical
Networking features	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	8	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
Parallel ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	1	Unknown — not stated by the source
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	310 W	225 W
Power supply typeKnown for one	110~220V	Unknown — not stated by the source
Design1 differ
Chassis typeDiffers	Tower	Small Desktop
Software2 differ
Operating system installedDiffers	Windows XP Home Edition	Windows XP Professional
Bundled softwareDiffers	Lotus Notes Stand-alone Client (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 and Recovery with Rapid Restore	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), Norton AntiVirus 2004, PC Doctor diagnostics, Access Program, ThinkVantage Client Security Solution, ThinkVantage Rescue and Recovery with Rapid Restore, IBM Director Agent (web deliverable)
Displayidentical
Display included	No	No
Processor special features3 differ
Embedded options availableDiffers	No	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 IDDiffers	34439	29733
Processor codeKnown for one	Unknown — not stated by the source	SLA2G
Processor package sizeDiffers	35 x 35 mm	35 mm
Thermal Monitoring TechnologiesKnown for one	Unknown — not stated by the source	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	175 mm	127 mm
DepthDiffers	450 mm	390 mm
HeightDiffers	492 mm	346 mm
WeightDiffers	13.5 kg	8.5 kg
Other features1 differ
Security featuresDiffers	-Serial port I/O control -Secure Data Disposal -Parallel port I/O control -Power on password -Embedded Security Subsystem standard -Hard disk drive password -Hardfile I/O control -Kensington Lock Standard Enabled -Boot without keyboard or mouse -Boot sequence control -Configuration password -Diskett	-Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature -Hard disk drive password -Hard drive I/O control -Diskette I/O control -Configuration password -Diskette Boot inhibit -Boot without keyboard or mou

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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