Product comparison · 2 pcs/workstations

Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x vs Lenovo ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550

99specifications compared
41differ
58identical
17known for one product only

Key differences

The Lenovo ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550 has 0.67 GHz more processor boost frequency than the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x (3.33 GHz vs 2.66 GHz). The Lenovo ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550 has 0.66 GHz more processor frequency than the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x (3.06 GHz vs 2.4 GHz). The Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x has 4 MB more processor cache than the Lenovo ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550 (12 MB vs 8 MB). Only the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x has embedded options available. Only the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x has Intel Trusted Execution Technology.

Processor family
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:Intel® Xeon® 5000 Sequence
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:Intel® Xeon® 3000 Sequence
Processor model
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:E5620
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:W3550
Processor boost frequency
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:2.66 GHz
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:3.33 GHz
Processor frequency
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:2.4 GHz
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:3.06 GHz
Processor cache
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:12 MB
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:8 MB
System bus rate
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:5.86 GT/s
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:4.8 GT/s
Processor lithography
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:32 nm
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:45 nm
Processor series
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:Intel Xeon 5600 Series
- ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550:Intel Xeon 3500 Series

Side by side

Differences highlightedShow differences only

Comparison of D20 + NVIDIA Quadro 2000 + ThinkVision L2251x, S20+Bundle
116 specifications	A Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x View product	B Lenovo ThinkStation S20+Bundle Intel® Xeon® 3000 Sequence W3550 Model S20+Bundle View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® 3000 Sequence
Processor modelDiffers	E5620	W3550
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	2.66 GHz	3.33 GHz
Processor frequencyDiffers	2.4 GHz	3.06 GHz
Processor cacheDiffers	12 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rateDiffers	5.86 GT/s	4.8 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 5600 Series	Intel Xeon 3500 Series
Processor codenameDiffers	Westmere EP	Bloomfield
Thermal Design Power (TDP)Differs	80 W	130 W
TcaseDiffers	77.6 °C	67.9 °C
Number of QPI linksDiffers	2	1
Number of processors installedDiffers	2	1
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	731 M
Processing Die sizeKnown for one	Unknown — not stated by the source	263 mm²
CPU multiplier (bus/core ratio)Differs	18	23
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.225 V
SteppingDiffers	B1	D0
Maximum internal memory supported by processorDiffers	288 GB	24 GB
Memory types supported by processorDiffers	DDR3 800/1066	DDR3-SDRAM
Memory clock speeds supported by processor	800,1066 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
ECC supported by processor	Yes	Yes
Memory4 differ
Internal memoryDiffers	4 GB	2 GB
Maximum internal memoryDiffers	48 GB	12 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	2 x 2 GB	1 x 2 GB
Memory slotsDiffers	12x DIMM	6x DIMM
Memory clock speed	1333 MHz	1333 MHz
ECC	Yes	Yes
Memory channels	Triple-channel	Triple-channel
Storageidentical
Optical drive type	DVD-RW	DVD-RW
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
RAID supportKnown for one	Unknown — not stated by the source	Yes
RAID levelsKnown for one	Unknown — not stated by the source	0, 1, 5
Performance1 differ
Product type	Workstation	Workstation
Motherboard chipsetDiffers	Intel® 5520	Intel® X58 Express
Audio output channelsKnown for one	Unknown — not stated by the source	7.1 channels
Networkidentical
Networking features	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet (10/100/1000)
Ports & interfaces3 differ
USB 2.0 ports quantity	10	10
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) portsDiffers	2	1
Headphone outputsDiffers	1	6
Microphone in	Yes	Yes
PS/2 ports quantityDiffers	2	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantity	1	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Firewire (IEEE 1394) portsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power supplyDiffers	1060 W	625 W
Power supply input voltage	100 - 240 V	100 - 240 V
Power supply input frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Unknown — not stated by the source	Black
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display2 differ
Display included	Yes	Yes
Display diagonalDiffers	55.9 cm (22")	61 cm (24")
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
DisplayKnown for one	Unknown — not stated by the source	TFT
ResolutionDiffers	1680 x 1050 pixels	1920 x 1200 pixels
Processor special features8 differ
CPU configuration (max)Differs	2	1
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	Yes	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 TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
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)	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)Differs	40 bit	Yes
Processor ARK IDDiffers	47925	39720
Processor package sizeDiffers	42.5 X 45 mm	42.5 x 45.0 mm
Supported instruction sets	SSE4.2	SSE4.2
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	1.0	1.0
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
Processor codeKnown for one	SLBV4	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	HD
Weight & dimensions4 differ
WidthDiffers	210 mm	175 mm
DepthDiffers	602 mm	483 mm
HeightDiffers	434 mm	478 mm
WeightDiffers	25 kg	14.5 kg
Certificatesidentical
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Graphicsidentical
Graphics cardKnown for one	No	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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