Product comparison · 2 pcs/workstations

Lenovo D20 + 2GB DDR3 vs Lenovo Edge 71

95specifications compared
57differ
38identical
49known for one product only

Key differences

Processor family
- D20 + 2GB DDR3:Intel® Xeon® 5000 Sequence
- Edge 71:Intel® Core™ i3
Processor model
- D20 + 2GB DDR3:E5606
- Edge 71:i3-2100
Processor cores
- D20 + 2GB DDR3:4
- Edge 71:2
Processor frequency
- D20 + 2GB DDR3:2.13 GHz
- Edge 71:3.1 GHz
Processor cache
- D20 + 2GB DDR3:8 MB
- Edge 71:3 MB
Bus type
- D20 + 2GB DDR3:QPI
- Edge 71:DMI
System bus rate
- D20 + 2GB DDR3:4.8 GT/s
- Edge 71:5 GT/s
Processor codename
- D20 + 2GB DDR3:Westmere EP
- Edge 71:Sandy Bridge

Side by side

Differences highlightedShow differences only

Comparison of D20 + 2GB DDR3, Edge 71
144 specifications	A Lenovo D20 + 2GB DDR3 View product	B Lenovo Edge 71 View product
Processor17 differ
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Core™ i3
Processor generationKnown for one	Unknown — not stated by the source	2nd gen Intel® Core™ i3
Processor modelDiffers	E5606	i3-2100
Processor coresDiffers	4	2
Processor frequencyDiffers	2.13 GHz	3.1 GHz
Processor cacheDiffers	8 MB	3 MB
Bus typeDiffers	QPI	DMI
System bus rateDiffers	4.8 GT/s	5 GT/s
Processor seriesDiffers	Intel Xeon 5600 Series	Intel Core i3-2100 Desktop Series
Processor codenameDiffers	Westmere EP	Sandy Bridge
Thermal Design Power (TDP)Differs	80 W	35, 65
TcaseKnown for one	Unknown — not stated by the source	69.1 °C
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Processor socketDiffers	Socket B (LGA 1366)	LGA 1155 (Socket H2)
CPU multiplier (bus/core ratio)Differs	16	31
PlatformKnown for one	Unknown — not stated by the source	PC
SteppingDiffers	B1	Q0
Maximum internal memory supported by processorDiffers	288 GB	32 GB
Memory clock speeds supported by processorDiffers	800,1066 MHz	1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	21 GB/s
ECC supported by processorDiffers	Yes	No
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	4 GB	2 GB
Maximum internal memoryDiffers	98304 MB	8 GB
Memory layout (slots x size)Differs	2 x 4 GB	1 x 2 GB
Memory channelsDiffers	Triple-channel	Dual-channel
Memory slotsKnown for one	12x DIMM	Unknown — not stated by the source
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Storage2 differ
Total storage capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceDiffers	SATA	SATA II
Card reader integratedDiffers	Yes	No
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics 2000
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	850 MHz
On-board graphics card dynamic frequency (max)Known for one	Unknown — not stated by the source	1100 MHz
On-board graphics card IDKnown for one	Unknown — not stated by the source	0x102
Graphics cardKnown for one	No	Unknown — not stated by the source
Performance2 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetDiffers	Intel® 5520	Intel® H61
Audio output channelsKnown for one	7.1 channels	Unknown — not stated by the source
Network1 differ
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Wi-FiKnown for one	Unknown — not stated by the source	No
Networking featuresDiffers	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	8	6
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) portsDiffers	2	1
VGA (D-Sub) ports quantityDiffers	0	1
DVI portKnown for one	Unknown — not stated by the source	Yes
Firewire (IEEE 1394) portsDiffers	1	0
Line-inKnown for one	Yes	Unknown — not stated by the source
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantityKnown for one	1	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Expansion slots2 differ
Number of 3.5" baysDiffers	6	2
PCI Express x16 slotsDiffers	3	1
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	1060 W	180 W
Power supply typeKnown for one	AC/DC	Unknown — not stated by the source
Power supply input voltageKnown for one	100 - 240 V	Unknown — not stated by the source
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Design2 differ
Chassis typeDiffers	Tower	Mini Tower
Number of 5.25" baysDiffers	3	1
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Rack mountingKnown for one	No	Unknown — not stated by the source
Softwareidentical
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Optional operating system suppliedKnown for one	Windows Vista Business	Unknown — not stated by the source
Processor special features18 differ
CPU configuration (max)Differs	2	1
Intel Demand Based SwitchingDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory AccessDiffers	No	Yes
Intel Flex Memory AccessDiffers	No	Yes
Intel Identity Protection Technology versionKnown for one	Unknown — not stated by the source	1.00
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® AES New Instructions (Intel® AES-NI)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
Intel® InTru™ 3D TechnologyDiffers	No	Yes
Intel® Insider™Differs	No	Yes
Processor ARK IDDiffers	52583	53422
Processor package sizeDiffers	42.5 X 45 mm	37.5 x 37.5 mm
Supported instruction setsDiffers	SSE4.2	AVX
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	Yes
Intel® Quick Sync Video TechnologyDiffers	No	Yes
Intel® Identity Protection Technology (Intel® IPT)Known for one	Unknown — not stated by the source	Yes
Physical Address Extension (PAE)Known for one	40 bit	Unknown — not stated by the source
Processor codeKnown for one	SLC2N	Unknown — not stated by the source
Audioidentical
SpeakersKnown for one	Unknown — not stated by the source	Yes
Audio systemKnown for one	HD	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	210 mm	160 mm
DepthDiffers	602 mm	355 mm
HeightDiffers	434 mm	392 mm
WeightDiffers	25 kg	6.5 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboard includedKnown for one	Unknown — not stated by the source	Yes
Certificatesidentical
Compliance industry standardsKnown for one	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	Unknown — not stated by the source
CertificationKnown for one	EPEAT Gold Energy Star 5.0 RoHSGREENGUARD	Unknown — not stated by the source

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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