Product comparison · 2 pcs/workstations

HP Compaq dc5100 microtower pc (EC956ET) vs Lenovo ThinkCentre A51 Pentium 4 630 HT 3.0GHz

77specifications compared
9differ
68identical
31known for one product only

Key differences

The HP Compaq dc5100 microtower pc (EC956ET) has 0.25 GB more internal memory than the Lenovo ThinkCentre A51 Pentium 4 630 HT 3.0GHz (0.5 GB vs 0.25 GB). The Lenovo ThinkCentre A51 Pentium 4 630 HT 3.0GHz has 10 W more power supply than the HP Compaq dc5100 microtower pc (EC956ET) (310 W vs 300 W). The Lenovo ThinkCentre A51 Pentium 4 630 HT 3.0GHz has 267 mm more width than the HP Compaq dc5100 microtower pc (EC956ET) (442 mm vs 175 mm). Video adapter resolution: 1920x1440@100Hz; 2048x1536@75Hz on the HP Compaq dc5100 microtower pc (EC956ET), 2048x1536 16777216 colors on the Lenovo ThinkCentre A51 Pentium 4 630 HT 3.0GHz. Networking features: Gigabit Ethernet on the HP Compaq dc5100 microtower pc (EC956ET), Ethernet/Fast Ethernet on the Lenovo ThinkCentre A51 Pentium 4 630 HT 3.0GHz.

Internal memory
- Compaq dc5100 microtower pc (EC956ET):0.5 GB
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:0.25 GB
Networking features
- Compaq dc5100 microtower pc (EC956ET):Gigabit Ethernet
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:Ethernet/Fast Ethernet
Power supply
- Compaq dc5100 microtower pc (EC956ET):300 W
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:310 W
Audio system
- Compaq dc5100 microtower pc (EC956ET):Integrated
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:SoundMAX Cadenza
Width
- Compaq dc5100 microtower pc (EC956ET):175 mm
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:442 mm
Depth
- Compaq dc5100 microtower pc (EC956ET):420 mm
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:401 mm
Height
- Compaq dc5100 microtower pc (EC956ET):366 mm
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:146 mm
Weight
- Compaq dc5100 microtower pc (EC956ET):11 kg
- ThinkCentre A51 Pentium 4 630 HT 3.0GHz:14 kg

Side by side

Differences highlightedShow differences only

Comparison of Compaq dc5100 microtower pc (EC956ET), ThinkCentre A51 Pentium 4 630 HT 3.0GHz
108 specifications	A HP Compaq dc5100 microtower pc (EC956ET)View product	B Lenovo ThinkCentre A51 Pentium 4 630 HT 3.0GHz View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Pentium® 4	Intel® Pentium® 4
Processor model	630	630
Processor cores	1	1
Processor threads	2	2
Processor frequency	3 GHz	3 GHz
Processor cache	2 MB	2 MB
Processor cache type	L2	L2
Processor front side bus	800 MHz	800 MHz
Bus type	FSB	FSB
FSB Parity	No	No
Processor lithography	90 nm	90 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Pentium 4 600 Series supporting Hyper-Threading Technology	Intel Pentium 4 600 Series supporting Hyper-Threading Technology
Processor codename	Prescott	Prescott
Thermal Design Power (TDP)	84 W	84 W
Tcase	66.6 °C	66.6 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socket	LGA 775 (Socket T)	LGA 775 (Socket T)
Number of Processing Die Transistors	169 M	169 M
Processing Die size	135 mm²	135 mm²
CPU multiplier (bus/core ratio)	15	15
ECC supported by processor	No	No
Processor technologyKnown for one	HT	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	0.5 GB	0.25 GB
Maximum internal memory	4 GB	4 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory slotsKnown for one	4x DIMM	Unknown — not stated by the source
Storageidentical
Total storage capacity	80 GB	80 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speed	7200 RPM	7200 RPM
Storage drive controllerKnown for one	SMART III Serial ATA, 1.5GB/s	Unknown — not stated by the source
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Storage drive typeKnown for one	Unknown — not stated by the source	SATA
Diskette drive memoryKnown for one	Unknown — not stated by the source	1.44 MB
Graphics1 differ
Graphics card RAMDACKnown for one	400 MHz	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	0.128 GB	Unknown — not stated by the source
Video adapter resolutionDiffers	1920x1440@100Hz; 2048x1536@75Hz	2048x1536 16777216 colors
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 900
Video adapter, busKnown for one	Unknown — not stated by the source	PCI Express
Performanceidentical
Product type	PC	PC
Network1 differ
Networking featuresDiffers	Gigabit Ethernet	Ethernet/Fast Ethernet
Ports & interfacesidentical
USB 2.0 ports quantity	6	6
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
Serial ports quantity	1	1
Parallel ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
TV-outKnown for one	Unknown — not stated by the source	No
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
Expansion slotsidentical
Expansion slotsKnown for one	PCI express x1	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	300 W	310 W
Designidentical
External drive baysKnown for one	2x 5.25"; 2x 3.5"	Unknown — not stated by the source
Internal drive baysKnown for one	2x 3.5"	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Chassis typeKnown for one	Unknown — not stated by the source	Desktop
Softwareidentical
Compatible operating systemsKnown for one	Microsoft Windows XP Professional	Unknown — not stated by the source
Bundled softwareKnown for one	Microsoft Office SBE 2003 Norton Antivirus 2005	Unknown — not stated by the source
Operating system installedKnown for one	Unknown — not stated by the source	Windows XP Professional
Displayidentical
Display included	No	No
Processor special featuresidentical
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
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	27478	27478
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
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
Audio1 differ
Audio systemDiffers	Integrated	SoundMAX Cadenza
Operational conditionsidentical
Operating temperature (T-T)Known for one	10 - 35 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	175 mm	442 mm
DepthDiffers	420 mm	401 mm
HeightDiffers	366 mm	146 mm
WeightDiffers	11 kg	14 kg
Other featuresidentical
Bundled hardwareKnown for one	Optical Mouse	Unknown — not stated by the source
Security featuresKnown for one	Unknown — not stated by the source	-Parallel port I/O control -Configuration password -Diskette boot inhibit -Diskette I/O control -Hardfile I/O control -Boot sequence control -Boot without keyboard or mouse -Power on password -Security slot (for attachment of optional cable lock) -Serial port I/O control -U-Bolt anchoring feature
Optical driveidentical
DVD read speedKnown for one	Unknown — not stated by the source	16x

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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