Product comparison · 2 pcs/workstations

Lenovo ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520 vs Lenovo ThinkStation E20, HU

92specifications compared
31differ
61identical
23known for one product only

Key differences

Processor model
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:W3520
- ThinkStation E20, HU:X3450
Processor boost frequency
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:2.93 GHz
- ThinkStation E20, HU:3.2 GHz
Bus type
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:QPI
- ThinkStation E20, HU:DMI
System bus rate
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:4.80 GT/s
- ThinkStation E20, HU:2.5 GT/s
Processor series
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:Intel Xeon 3500 Series
- ThinkStation E20, HU:Intel Xeon 3400 Series
Processor codename
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:Bloomfield
- ThinkStation E20, HU:Lynnfield
Thermal Design Power (TDP)
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:130 W
- ThinkStation E20, HU:95 W
Tcase
- ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520:67.9 °C
- ThinkStation E20, HU:72.7 °C

Side by side

Differences highlightedShow differences only

Comparison of SNC94EU, ThinkStation E20, HU
115 specifications	A Lenovo ThinkStation SNC94EU workstation Intel® Xeon® 3000 Sequence W3520 Model SNC94EU View product	B Lenovo ThinkStation E20, HU View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® 3000 Sequence	Intel® Xeon® 3000 Sequence
Processor modelDiffers	W3520	X3450
Processor cores	4	4
Processor threads	8	8
Processor boost frequencyDiffers	2.93 GHz	3.2 GHz
Processor frequency	2.66 GHz	2.66 GHz
Processor cache	8 MB	8 MB
Processor cache type	Smart Cache	Smart Cache
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Bus typeDiffers	QPI	DMI
FSB Parity	No	No
System bus rateDiffers	4.80 GT/s	2.5 GT/s
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 3500 Series	Intel Xeon 3400 Series
Processor codenameDiffers	Bloomfield	Lynnfield
Processor system typeKnown for one	Up	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	130 W	95 W
TcaseDiffers	67.9 °C	72.7 °C
Number of QPI linksKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	Socket B (LGA 1366)	LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers	731 M	774 M
Processing Die sizeDiffers	263 mm²	296 mm²
CPU multiplier (bus/core ratio)	20	20
Processor core voltage (AC)Known for one	0.800 - 1.225 V	Unknown — not stated by the source
SteppingDiffers	D0	B1
Maximum internal memory supported by processorDiffers	24 GB	32 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800,1066 MHz	800,1066,1333 MHz
Memory bandwidth supported by processor (max)Differs	25.6 GB/s	21 GB/s
ECC supported by processor	Yes	Yes
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8, 4x4
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Memory3 differ
Internal memoryDiffers	6 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speedDiffers	1066 MHz	1333 MHz
ECC	Yes	Yes
Memory channelsDiffers	Triple-channel	Dual-channel
Non-ECCKnown for one	Unknown — not stated by the source	Yes
Storage1 differ
Optical drive type	DVD-RW	DVD-RW
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Performanceidentical
Product type	Workstation	Workstation
Motherboard form factor	ATX	ATX
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® 3450
Ports & interfacesidentical
USB 2.0 ports quantity	8	8
DisplayPorts quantityKnown for one	2	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	0	Unknown — not stated by the source
PS/2 ports quantity	2	2
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantity	1	1
Parallel ports quantity	0	0
DVI-I ports quantityKnown for one	1	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Expansion slotsidentical
PCI Express x1 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x4 slotsKnown for one	1	Unknown — not stated by the source
PCI Express x16 slotsKnown for one	2	Unknown — not stated by the source
PCI slotsKnown for one	1	Unknown — not stated by the source
Poweridentical
Power requirementsKnown for one	100-240V, 50/60Hz	Unknown — not stated by the source
Power supplyKnown for one	Unknown — not stated by the source	280 W
Designidentical
Chassis type	Tower	Tower
Product colour	Black	Black
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows XP Professional
Drivers includedKnown for one	Yes	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features7 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
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	No	Yes
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	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® Smart Cache	Yes	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Differs	36 bit	Yes
Processor ARK IDDiffers	39718	42929
Processor codeDiffers	SLBEW	SLBLD
Processor package sizeDiffers	42.5 x 45.0 mm	37.5 x 37.5 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
Weight & dimensions4 differ
WidthDiffers	175 mm	174.8 mm
DepthDiffers	483 mm	430.8 mm
HeightDiffers	426 mm	425 mm
WeightDiffers	17.5 kg	11.2 kg
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	48x

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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