Product comparison · 2 pcs/workstations

Lenovo ThinkStation E20 vs Lenovo ThinkStation S20 (410594G), UK

91specifications compared
45differ
46identical
39known for one product only

Key differences

Processor family
- ThinkStation E20:Intel® Core™ i5
- ThinkStation S20 (410594G), UK:Intel® Xeon® 3000 Sequence
Processor model
- ThinkStation E20:i5-650
- ThinkStation S20 (410594G), UK:W3520
Processor cores
- ThinkStation E20:2
- ThinkStation S20 (410594G), UK:4
Processor threads
- ThinkStation E20:4
- ThinkStation S20 (410594G), UK:8
Processor boost frequency
- ThinkStation E20:3.46 GHz
- ThinkStation S20 (410594G), UK:2.93 GHz
Processor frequency
- ThinkStation E20:3.2 GHz
- ThinkStation S20 (410594G), UK:2.66 GHz
Processor cache
- ThinkStation E20:4 MB
- ThinkStation S20 (410594G), UK:8 MB
Bus type
- ThinkStation E20:DMI
- ThinkStation S20 (410594G), UK:QPI

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation E20, ThinkStation S20 (410594G), UK
130 specifications	A Lenovo ThinkStation E20 View product	B Lenovo ThinkStation S20 (410594G), UK View product
Processor23 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Xeon® 3000 Sequence
Processor modelDiffers	i5-650	W3520
Processor coresDiffers	2	4
Processor threadsDiffers	4	8
Processor boost frequencyDiffers	3.46 GHz	2.93 GHz
Processor frequencyDiffers	3.2 GHz	2.66 GHz
Processor cacheDiffers	4 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Bus typeDiffers	DMI	QPI
FSB Parity	No	No
System bus rateDiffers	2.5 GT/s	4.80 GT/s
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-600 Desktop Series	Intel Xeon 3500 Series
Processor codenameDiffers	Clarkdale	Bloomfield
Processor system typeKnown for one	Unknown — not stated by the source	Up
Thermal Design Power (TDP)Differs	73 W	130 W
TcaseDiffers	72.6 °C	67.9 °C
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Number of processors installed	1	1
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers	382 M	731 M
Processing Die sizeDiffers	81 mm²	263 mm²
CPU multiplier (bus/core ratio)Differs	24	20
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.800 - 1.225 V
SteppingDiffers	C2	D0
Maximum internal memory supported by processorDiffers	16 GB	24 GB
Memory types supported by processorDiffers	DDR3 1066/1333	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800,1066 MHz
Memory bandwidth supported by processor (max)Differs	21 GB/s	25.6 GB/s
ECC supported by processorDiffers	No	Yes
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
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
Memory5 differ
Internal memoryDiffers	4 GB	6 GB
Maximum internal memoryDiffers	16 GB	12 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	2 x 2 GB	3 x 2 GB
Memory clock speedDiffers	1333 MHz	1066 MHz
Memory channelsDiffers	Dual-channel	Triple-channel
Storage1 differ
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Storage drive typeKnown for one	Unknown — not stated by the source	500GB SATA/ 7200
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Performanceidentical
Product type	Workstation	Workstation
Motherboard chipsetKnown for one	Intel® 3450	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Networkidentical
Modem typeKnown for one	Unknown — not stated by the source	No
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	8	10
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) ports	2	2
eSATA ports quantity	1	1
Serial ports quantity	1	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	0
Expansion slotsidentical
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Expansion slotsKnown for one	Unknown — not stated by the source	PCI Express 2.0
Power1 differ
Power requirementsKnown for one	Unknown — not stated by the source	100-240V; 50/60Hz
Power supplyDiffers	280 W	625 W
Power supply typeKnown for one	100 - 240 VAC, 50/60 Hz	Unknown — not stated by the source
Designidentical
Chassis type	Tower	Tower
Form factorKnown for one	Unknown — not stated by the source	Tower Tower (4x6)
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Pro SP1/SP2 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
Displayidentical
Display included	No	No
Processor special features9 differ
CPU configuration (max)	1	1
Embedded options available	No	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 SwitchingDiffers	No	Yes
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	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)Differs	Yes	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® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)	36 bit	36 bit
Processor ARK IDDiffers	43546	39718
Processor codeKnown for one	Unknown — not stated by the source	SLBEW
Processor package sizeDiffers	37.5 x 37.5 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
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Realtek ALC662	ADI 1988 A
Weight & dimensions2 differ
Width	175 mm	175 mm
DepthDiffers	430.8 mm	460 mm
HeightDiffers	425.2 mm	478 mm
WeightKnown for one	Unknown — not stated by the source	16.3 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	USB Optical Wheel Mouse
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB
Featuresidentical
Manageability featuresKnown for one	Unknown — not stated by the source	Image Ultra - HIIT Compliant Drivers - Vista Only, Secure Data Disposal, ThinkVantage Image Ultra Builder - Vista Support, ThinkVantage Update Builder, ThinkVantage Update Retriever
Other featuresidentical
Security featuresKnown for one	Unknown — not stated by the source	Boot sequence control, Boot without keyboard or mouse, Configuration password, Cover key lock, Diskette Boot inhibit, Diskette I/O control, Hardfile I/O control, Padlock loop, Power on password, Security slot (for attachment of optional cable lock), Ser
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

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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