Product comparison · 2 pcs/workstations

Lenovo ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530 vs Lenovo ThinkStation D20 (4155-79G), DE

81specifications compared
43differ
38identical
48known for one product only

Key differences

The Lenovo ThinkStation D20 (4155-79G), DE has 2 more processor cores than the Lenovo ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530 (4 vs 2). The Lenovo ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530 has 0.67 GHz more processor frequency than the Lenovo ThinkStation D20 (4155-79G), DE (2.93 GHz vs 2.26 GHz). The Lenovo ThinkStation D20 (4155-79G), DE has 2.3 GT/s more system bus rate than the Lenovo ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530 (4.8 GT/s vs 2.5 GT/s). Only the Lenovo ThinkStation D20 (4155-79G), DE has ECC supported by processor. Only the Lenovo ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530 has display included.

Processor family
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:Intel® Core™ i3
- ThinkStation D20 (4155-79G), DE:Intel® Xeon® 5000 Sequence
Processor model
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:i3-530
- ThinkStation D20 (4155-79G), DE:E5507
Processor cores
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:2
- ThinkStation D20 (4155-79G), DE:4
Processor frequency
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:2.93 GHz
- ThinkStation D20 (4155-79G), DE:2.26 GHz
Bus type
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:DMI
- ThinkStation D20 (4155-79G), DE:QPI
System bus rate
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:2.5 GT/s
- ThinkStation D20 (4155-79G), DE:4.8 GT/s
Processor lithography
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:32 nm
- ThinkStation D20 (4155-79G), DE:45 nm
Processor codename
- ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530:Clarkdale
- ThinkStation D20 (4155-79G), DE:Nehalem EP

Side by side

Differences highlightedShow differences only

Comparison of STBB2HX, ThinkStation D20 (4155-79G), DE
129 specifications	A Lenovo ThinkCentre STBB2HX PC Intel® Core™ i3 i3-530 Model STBB2HX View product	B Lenovo ThinkStation D20 (4155-79G), DE View product
Processor17 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Xeon® 5000 Sequence
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-530	E5507
Processor coresDiffers	2	4
Processor frequencyDiffers	2.93 GHz	2.26 GHz
Bus typeDiffers	DMI	QPI
System bus rateDiffers	2.5 GT/s	4.8 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i3-500 Desktop Series	Intel Xeon 5500 Series
Processor codenameDiffers	Clarkdale	Nehalem EP
Thermal Design Power (TDP)Differs	73 W	80 W
TcaseDiffers	72.6 °C	76 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	382 M	Unknown — not stated by the source
Processing Die sizeKnown for one	81 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	22	Unknown — not stated by the source
SteppingDiffers	C2	D0
Maximum internal memory supported by processorDiffers	16 GB	144 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory bandwidth supported by processor (max)Differs	21 GB/s	19.2 GB/s
ECC supported by processorDiffers	No	Yes
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800 MHz
Memory4 differ
Internal memoryDiffers	2 GB	3 GB
Maximum internal memoryDiffers	8 GB	96 GB
Memory layout (slots x size)Differs	1 x 2 GB	3 x 1 GB
Memory channelsDiffers	Dual-channel	Triple-channel
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Storage1 differ
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD Super Multi	DVD-RW
Floppy drive installedKnown for one	Yes	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceKnown for one	Unknown — not stated by the source	SATA II
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.5 GB
Performance1 differ
Product typeDiffers	PC	Workstation
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	8	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) portsDiffers	1	2
VGA (D-Sub) ports quantityDiffers	1	0
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsDiffers	0	2
Serial ports quantityDiffers	0	1
Line-inKnown for one	Unknown — not stated by the source	Yes
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	Unknown — not stated by the source	2
Power1 differ
Power supplyDiffers	280 W	1060 W
Power requirementsKnown for one	Unknown — not stated by the source	100-240V; 50/60Hz
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Softwareidentical
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows XP Professional
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 32/64-bit Windows Vista Enterprise 32/64-bit Windows Vista Ultimate 32/64-bit
Display1 differ
Display includedDiffers	Yes	No
Processor special features8 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Intel Demand Based SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Physical Address Extension (PAE)Differs	36 bit	Yes
Processor ARK IDDiffers	46472	37100
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor codeKnown for one	Unknown — not stated by the source	SLBKC
Weight & dimensions4 differ
WidthDiffers	175 mm	210 mm
DepthDiffers	442 mm	579 mm
HeightDiffers	414 mm	485 mm
WeightDiffers	10 kg	24.9 kg
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise, Professional	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	ADI 1988 A
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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