Product comparison · 2 pcs/workstations

Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C vs Lenovo ThinkCentre S50 P4 2600 256MB 40GB NL XP

29specifications compared
13differ
16identical
60known for one product only

Key differences

The Lenovo ThinkCentre S50 P4 2600 256MB 40GB NL XP has 0.87 GHz more processor frequency than the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C (2.6 GHz vs 1.73 GHz). The Lenovo ThinkCentre S50 P4 2600 256MB 40GB NL XP has 267 MHz more processor front side bus than the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C (800 MHz vs 533 MHz). The Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C has 40 GB more total storage capacity than the Lenovo ThinkCentre S50 P4 2600 256MB 40GB NL XP (80 GB vs 40 GB). Internal memory type: DDR2-SDRAM on the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C, DDR-SDRAM on the Lenovo ThinkCentre S50 P4 2600 256MB 40GB NL XP. Video adapter, bus: PCI Express on the Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C, Direct AGP on the Lenovo ThinkCentre S50 P4 2600 256MB 40GB NL XP.

Processor frequency
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:1.73 GHz
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:2.6 GHz
Processor front side bus
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:533 MHz
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:800 MHz
Internal memory type
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:DDR2-SDRAM
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:DDR-SDRAM
Total storage capacity
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:80 GB
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:40 GB
Video adapter, bus
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:PCI Express
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:Direct AGP
USB 2.0 ports quantity
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:6
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:8
Power supply
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:310 W
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:200 W
Chassis type
- ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C:Desktop
- ThinkCentre S50 P4 2600 256MB 40GB NL XP:SFF

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 S50 P4 2600 256MB 40GB NL XP
89 specifications	A Lenovo ThinkCentre A51 DESKTOP P4h 3.0GHz 256MB 80GB DVD LAN WXP Pro 3 jaar C View product	B Lenovo ThinkCentre S50 P4 2600 256MB 40GB NL XP 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	2.6 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
Memory1 differ
Internal memory	0.25 GB	0.25 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR-SDRAM
Maximum internal memoryKnown for one	Unknown — not stated by the source	2 GB
Storage1 differ
Total storage capacityDiffers	80 GB	40 GB
Optical drive type	DVD-ROM	DVD-ROM
Storage drive typeKnown for one	Serial ATA	Unknown — not stated by the source
Diskette drive memory	1.44 MB	1.44 MB
HDD interfaceKnown for one	Unknown — not stated by the source	Ultra-ATA/100
Graphics1 differ
Discrete graphics card modelKnown for one	Intel® GMA 900	Unknown — not stated by the source
Video adapter resolutionKnown for one	2048x1536 16777216 colors	Unknown — not stated by the source
Video adapter, busDiffers	PCI Express	Direct AGP
Performanceidentical
Product type	PC	PC
Optical driveidentical
DVD read speed	16x	16x
Networkidentical
Networking features	Ethernet/Fast Ethernet	Ethernet/Fast Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	6	8
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
PS/2 ports quantity	2	2
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantity	1	1
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
Power1 differ
Power supplyDiffers	310 W	200 W
Design1 differ
Chassis typeDiffers	Desktop	SFF
Softwareidentical
Operating system installed	Windows XP Professional	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	442 mm	309 mm
DepthDiffers	401 mm	359 mm
HeightDiffers	146 mm	85 mm
WeightDiffers	14 kg	8.3 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	-Boot sequence control -Boot without keyboard or mouse -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Security slot (for attachment of optional cable lock) -Parallel I/O control -Power on password -Serial port I/O control

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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