Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M51 P4 530HT 512MB 80GB XPP vs Lenovo TS THINKCENTRE A51 P4 541-3.2G

25specifications compared
11differ
14identical
70known for one product only

Key differences

Processor frequency
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:1.73 GHz
- TS THINKCENTRE A51 P4 541-3.2G:3.2 GHz
Processor front side bus
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:533 MHz
- TS THINKCENTRE A51 P4 541-3.2G:800 MHz
Storage drive type
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:SATA
- TS THINKCENTRE A51 P4 541-3.2G:Serial ATA
Power supply
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:310 W
- TS THINKCENTRE A51 P4 541-3.2G:225 W
Chassis type
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:Desktop
- TS THINKCENTRE A51 P4 541-3.2G:SFF
Width
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:175 mm
- TS THINKCENTRE A51 P4 541-3.2G:309 mm
Depth
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:450 mm
- TS THINKCENTRE A51 P4 541-3.2G:359 mm
Height
- ThinkCentre M51 P4 530HT 512MB 80GB XPP:492 mm
- TS THINKCENTRE A51 P4 541-3.2G:85 mm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M51 P4 530HT 512MB 80GB XPP, TS THINKCENTRE A51 P4 541-3.2G
95 specifications	A Lenovo ThinkCentre M51 P4 530HT 512MB 80GB XPP View product	B Lenovo TS THINKCENTRE A51 P4 541-3.2G View product
Processor2 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor modelKnown for one	530	Unknown — not stated by the source
Processor coresKnown for one	1	Unknown — not stated by the source
Processor threadsKnown for one	1	Unknown — not stated by the source
Processor frequencyDiffers	1.73 GHz	3.2 GHz
Processor cacheKnown for one	1 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
Bus typeKnown for one	FSB	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
Processor lithographyKnown for one	65 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor codenameKnown for one	Merom	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	27 W	Unknown — not stated by the source
TcaseKnown for one	67.7 °C	Unknown — not stated by the source
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Processor socketKnown for one	Socket AM2	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	291 M	Unknown — not stated by the source
Processing Die sizeKnown for one	143 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	14	Unknown — not stated by the source
Processor core voltage (AC)Known for one	0.95 - 1.30 V	Unknown — not stated by the source
SteppingKnown for one	A1	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memoryidentical
Internal memory	0.5 GB	0.5 GB
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Internal memory type	DDR-SDRAM	DDR-SDRAM
Storage1 differ
Total storage capacity	80 GB	80 GB
Optical drive type	DVD-ROM	DVD-ROM
Storage drive typeDiffers	SATA	Serial ATA
Diskette drive memory	1.44 MB	1.44 MB
Graphicsidentical
Discrete graphics card model	Intel® GMA 900	Intel® GMA 900
Video adapter, bus	PCI Express	PCI Express
Video adapter resolutionKnown for one	Unknown — not stated by the source	2048x1536 16777216 colors
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
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
Networkidentical
Networking features	Ethernet/Fast Ethernet/Gigabit Ethernet	Ethernet/Fast Ethernet/Gigabit Ethernet
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	8	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsKnown for one	1	Unknown — not stated by the source
Headphone outputsKnown for one	1	Unknown — not stated by the source
Microphone inKnown for one	Yes	Unknown — not stated by the source
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
PS/2 ports quantityKnown for one	2	Unknown — not stated by the source
Parallel ports quantityKnown for one	1	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	-1 Parallel -Headphone / Line out (back) -External Display (VGA) -External Microphone / Line in (back) -External Microphone / Line in (front) -Headphone/line out (front) -Keyboard (PS/2) -Mouse (PS/2) -RJ-45 -8 USB 2.0 (2 front, 6 back)
Power1 differ
Power supplyDiffers	310 W	225 W
Power supply typeKnown for one	Unknown — not stated by the source	115~230V
Design1 differ
Chassis typeDiffers	Desktop	SFF
Software1 differ
Operating system installedKnown for one	Windows XP Professional	Unknown — not stated by the source
Bundled softwareDiffers	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)	Access IBM 4.0, IBM Client Security Software (web-downloadable), IBM Director Agent (web deliverable), IBM Rescue and Recovery with Rapid Restore, Norton AntiVirus 2004 OEM Version, PC Doctor diagnostics
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows XP Professional
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options availableKnown for one	Yes	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	No	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Idle StatesKnown for one	No	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	No	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	No	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	No	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	No	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	No	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	No	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	No	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Insider™Known for one	No	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)Known for one	No	Unknown — not stated by the source
Processor ARK IDKnown for one	29733	Unknown — not stated by the source
Processor codeKnown for one	SLA2G	Unknown — not stated by the source
Processor package sizeKnown for one	35 mm	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	No	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	No	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	No	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	No	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Audioidentical
Audio system	SoundMAX Cadenza	SoundMAX Cadenza
Weight & dimensions4 differ
WidthDiffers	175 mm	309 mm
DepthDiffers	450 mm	359 mm
HeightDiffers	492 mm	85 mm
WeightDiffers	13.5 kg	8.5 kg
Other features1 differ
Security featuresDiffers	-Parallel port I/O control -Hard drive I/O control -Padlock loop -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -Boot without keyboard or mouse	-Boot without keyboard or mouse -Configuration password -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O control -Parallel port I/O control -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring featu
Intel segment taggingKnown for one	Enterprise, Professional	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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