Product comparison · 2 pcs/workstations

HP Compaq dx2420 Microtower PC vs Lenovo ThinkStation D20

85specifications compared
52differ
33identical
46known for one product only

Key differences

Processor family
- Compaq dx2420 Microtower PC:Intel® Celeron®
- ThinkStation D20:Intel® Xeon® 5000 Sequence
Processor model
- Compaq dx2420 Microtower PC:450
- ThinkStation D20:X5550
Processor cores
- Compaq dx2420 Microtower PC:1
- ThinkStation D20:4
Processor threads
- Compaq dx2420 Microtower PC:1
- ThinkStation D20:8
Processor frequency
- Compaq dx2420 Microtower PC:2.2 GHz
- ThinkStation D20:2.66 GHz
Processor cache
- Compaq dx2420 Microtower PC:0.512 MB
- ThinkStation D20:8 MB
Processor cache type
- Compaq dx2420 Microtower PC:L2
- ThinkStation D20:Smart Cache
Bus type
- Compaq dx2420 Microtower PC:FSB
- ThinkStation D20:QPI

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Differences highlightedShow differences only

Comparison of Compaq dx2420 Microtower PC, ThinkStation D20
131 specifications	A HP Compaq dx2420 Microtower PC View product	B Lenovo ThinkStation D20 View product
Processor18 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron®	Intel® Xeon® 5000 Sequence
Processor modelDiffers	450	X5550
Processor coresDiffers	1	4
Processor threadsDiffers	1	8
Processor frequencyDiffers	2.2 GHz	2.66 GHz
Processor cacheDiffers	0.512 MB	8 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	QPI
FSB Parity	No	No
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor codenameDiffers	Conroe	Nehalem EP
Thermal Design Power (TDP)Differs	35 W	95 W
TcaseDiffers	60.4 °C	75 °C
TjunctionKnown for one	100 °C	Unknown — not stated by the source
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers	105 M	731 M
Processing Die sizeDiffers	77 mm²	263 mm²
CPU multiplier (bus/core ratio)Differs	11	20
SteppingDiffers	A1	D0
ECC supported by processorDiffers	No	Yes
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.06 GHz
System bus rateKnown for one	Unknown — not stated by the source	6.4 GT/s
Processor seriesKnown for one	Unknown — not stated by the source	Intel Xeon 5500 Series
Processor system typeKnown for one	Unknown — not stated by the source	DP
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066,1333 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	32 GB/s
Memory5 differ
Internal memoryDiffers	1 GB	8 GB
Maximum internal memoryDiffers	4 GB	192 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 1 GB	4 x 2 GB
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Memory clock speedDiffers	800 MHz	1333 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Storage2 differ
Total storage capacityKnown for one	160 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD-ROM	DVD-RW
HDD interface	SATA	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integratedDiffers	No	Yes
Storage drive controllerKnown for one	SATA 3-Gb/s NCQ SMART IV	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	1.5 TB
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Graphicsidentical
Discrete graphics card modelKnown for one	Intel® GMA 3100	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	0.256 GB	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Graphics cardKnown for one	Unknown — not stated by the source	Quadro FX 4800
Performance1 differ
Product typeDiffers	PC	Workstation
Optical drive1 differ
CD read speedDiffers	48x	40x
Networkidentical
Networking featuresKnown for one	Realtek 8101E-GR GbE Ethernet	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	6	10
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputs	1	1
Line-outKnown for one	Yes	Unknown — not stated by the source
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantityDiffers	2	0
Serial ports quantityDiffers	0	1
Parallel ports quantity	0	0
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	2
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
I/O portsKnown for one	Unknown — not stated by the source	1 eSATA, 5 SATA Gen 2, 5 SAS
Expansion slotsidentical
PCI Express x1 slotsKnown for one	2	Unknown — not stated by the source
PCI Express x16 slots	1	1
Expansion slotsKnown for one	1 x PCI	Unknown — not stated by the source
PCI slotsKnown for one	Unknown — not stated by the source	2
Power1 differ
Power requirementsDiffers	90 – 264 V / 100 – 240 V, 50/60 Hz, 47 – 63 Hz	100-240V@50-60Hz
Power consumption (typical)Known for one	300 W	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	1060 W
Design3 differ
Chassis typeDiffers	Micro Tower	Tower
External drive baysDiffers	2 x 5.25”, 1 x 3.5”	3.5" x 1, 5.25" x 3
Internal drive baysDiffers	2 x 3.5”	3.5" x 5
Country of originKnown for one	China	Unknown — not stated by the source
Softwareidentical
Operating system installedKnown for one	Windows Vista Home Basic	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-Bit
Displayidentical
Display included	No	No
Processor special features11 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt State	Yes	Yes
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)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	No	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
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
Physical Address Extension (PAE)	Yes	Yes
Processor ARK IDDiffers	35239	37106
Processor codeDiffers	SLAFZ	SLBF5
Processor package sizeDiffers	37.5 mm	42.5 x 45 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	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
CPU configuration (max)Known for one	Unknown — not stated by the source	2
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Audio1 differ
Audio system direct 3D soundKnown for one	Yes	Unknown — not stated by the source
Audio systemDiffers	Realtek ALC662 HD	ADI 1988 A
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
Non-operating altitudeKnown for one	9000	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	165 mm	210 mm
DepthDiffers	373 mm	579 mm
HeightDiffers	365 mm	485 mm
WeightDiffers	10.2 kg	24.9 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboardidentical
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB

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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