Product comparison · 2 pcs/workstations

Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 vs Lenovo ThinkStation S20 (410594G), ES

93specifications compared
33differ
60identical
25known for one product only

Key differences

The Lenovo ThinkStation S20 (410594G), ES has 0.13 GHz more processor frequency than the Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 (2.66 GHz vs 2.53 GHz). The Lenovo ThinkStation S20 (410594G), ES has 2.3 GT/s more system bus rate than the Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 (4.80 GT/s vs 2.5 GT/s). The Lenovo ThinkStation S20 (410594G), ES has 35 W more thermal Design Power (TDP) than the Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 (130 W vs 95 W). Only the Lenovo ThinkStation S20 (410594G), ES has card reader integrated. Only the Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 has Intel Trusted Execution Technology.

Processor model
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:X3440
- ThinkStation S20 (410594G), ES:W3520
Processor frequency
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:2.53 GHz
- ThinkStation S20 (410594G), ES:2.66 GHz
Bus type
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:DMI
- ThinkStation S20 (410594G), ES:QPI
System bus rate
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:2.5 GT/s
- ThinkStation S20 (410594G), ES:4.80 GT/s
Processor series
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:Intel Xeon 3400 Series
- ThinkStation S20 (410594G), ES:Intel Xeon 3500 Series
Processor codename
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:Lynnfield
- ThinkStation S20 (410594G), ES:Bloomfield
Thermal Design Power (TDP)
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:95 W
- ThinkStation S20 (410594G), ES:130 W
Tcase
- ThinkStation E20 Intel® Xeon® 3000 Sequence X3440:72.7 °C
- ThinkStation S20 (410594G), ES:67.9 °C

Side by side

Differences highlightedShow differences only

Comparison of E20, ThinkStation S20 (410594G), ES
118 specifications	A Lenovo ThinkStation E20 Intel® Xeon® 3000 Sequence X3440 Model E20 View product	B Lenovo ThinkStation S20 (410594G), ES View product
Processor16 differ
Processor modelDiffers	X3440	W3520
Processor frequencyDiffers	2.53 GHz	2.66 GHz
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Bus typeDiffers	DMI	QPI
System bus rateDiffers	2.5 GT/s	4.80 GT/s
Processor seriesDiffers	Intel Xeon 3400 Series	Intel Xeon 3500 Series
Processor codenameDiffers	Lynnfield	Bloomfield
Thermal Design Power (TDP)Differs	95 W	130 W
TcaseDiffers	72.7 °C	67.9 °C
Number of QPI linksKnown for one	Unknown — not stated by the source	1
Processor socketDiffers	LGA 1156 (Socket H)	Socket B (LGA 1366)
Number of Processing Die TransistorsDiffers	774 M	731 M
Processing Die sizeDiffers	296 mm²	263 mm²
CPU multiplier (bus/core ratio)Differs	19	20
Processor core voltage (AC)Known for one	Unknown — not stated by the source	0.800 - 1.225 V
SteppingDiffers	B1	D0
Maximum internal memory supported by processorDiffers	32 GB	24 GB
Memory types supported by processorDiffers	DDR3 800/1066/1333	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
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8, 4x4	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
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
Card reader integratedDiffers	No	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
Performanceidentical
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
Ports & interfaces1 differ
Line-inKnown for one	Unknown — not stated by the source	Yes
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	0
PS/2 ports quantityDiffers	2	0
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
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
Softwareidentical
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
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features5 differ
Intel Trusted Execution TechnologyDiffers	Yes	No
Intel Virtualization Technology for Directed I/O (VT-d)Differs	Yes	No
Intel® Smart CacheKnown for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	42928	39718
Processor codeDiffers	SLBLF	SLBEW
Processor package sizeDiffers	37.5 x 37.5 mm	42.5 x 45.0 mm
Audio1 differ
Audio systemDiffers	Realtek ALC662	ADI 1988 A
Weight & dimensions3 differ
DepthDiffers	430.8 mm	460 mm
HeightDiffers	425.2 mm	478 mm
WeightDiffers	11.2 kg	16.3 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Keyboardidentical
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB
Networkidentical
Networking featuresKnown for one	Gigabit Ethernet (10/100/1000)	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.

More pcs/workstations comparisons

All pcs/workstations comparisons