Product comparison · 2 pcs/workstations

Lenovo ThinkCentre S51 P4 3000 512MB 40GB vs Lenovo TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP

82specifications compared
9differ
73identical
10known for one product only

Key differences

The Lenovo ThinkCentre S51 P4 3000 512MB 40GB has 0.25 GB more internal memory than the Lenovo TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP (0.5 GB vs 0.25 GB). The Lenovo TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP has 40 GB more total storage capacity than the Lenovo ThinkCentre S51 P4 3000 512MB 40GB (80 GB vs 40 GB). The Lenovo TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP has 182 mm more width than the Lenovo ThinkCentre S51 P4 3000 512MB 40GB (309 mm vs 127 mm). Optical drive type: CD-ROM on the Lenovo ThinkCentre S51 P4 3000 512MB 40GB, DVD-ROM on the Lenovo TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP.

Internal memory
- ThinkCentre S51 P4 3000 512MB 40GB:0.5 GB
- TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP:0.25 GB
Total storage capacity
- ThinkCentre S51 P4 3000 512MB 40GB:40 GB
- TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP:80 GB
Optical drive type
- ThinkCentre S51 P4 3000 512MB 40GB:CD-ROM
- TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP:DVD-ROM
Width
- ThinkCentre S51 P4 3000 512MB 40GB:127 mm
- TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP:309 mm
Depth
- ThinkCentre S51 P4 3000 512MB 40GB:390 mm
- TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP:359 mm
Height
- ThinkCentre S51 P4 3000 512MB 40GB:346 mm
- TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP:85 mm
Weight
- ThinkCentre S51 P4 3000 512MB 40GB:8.5 kg
- TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP:8.3 kg

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre S51 P4 3000 512MB 40GB, TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP
92 specifications	A Lenovo ThinkCentre S51 P4 3000 512MB 40GB View product	B Lenovo TS ThinkCentre A51 SFF P4 530 256MB 80GB XPP 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	0.5 GB	0.25 GB
Maximum internal memory	2 GB	2 GB
Internal memory type	DDR-SDRAM	DDR-SDRAM
Storage2 differ
Total storage capacityDiffers	40 GB	80 GB
Optical drive typeDiffers	CD-ROM	DVD-ROM
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
Diskette drive memory	1.44 MB	1.44 MB
Storage drive typeKnown for one	Unknown — not stated by the source	SATA
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
CD read speedKnown for one	48x	Unknown — not stated by the source
DVD read speedKnown for one	Unknown — not stated by the source	16x
Networkidentical
Networking featuresKnown for one	Ethernet/Fast Ethernet/Gigabit Ethernet	Unknown — not stated by the source
Ports & interfacesidentical
USB 2.0 ports quantityKnown for one	8	Unknown — not stated by the source
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
I/O portsKnown for one	Unknown — not stated by the source	8x USB 2.0
Poweridentical
Power supply	225 W	225 W
Designidentical
Chassis type	SFF	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)	Lotus Notes Stand-alone Client (license), Lotus SmartSuite Millennium (license), IBM Director Agent (web deliverable), Access Program, ThinkVantage Client Security Solution, ThinkVantage 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 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	127 mm	309 mm
DepthDiffers	390 mm	359 mm
HeightDiffers	346 mm	85 mm
WeightDiffers	8.5 kg	8.3 kg
Other features1 differ
Security featuresDiffers	-U-Bolt anchoring feature -Serial port I/O control -Security slot (for attachment of optional cable lock) -Power on password -Boot without keyboard or mouse -Configuration password -Parallel port I/O control -Diskette Boot inhibit -Diskette I/O control -Hard disk drive password -Hard drive I/O contr	-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

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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