Product comparison · 2 pcs/workstations

Lenovo ThinkStation S20 Intel® Xeon® 5000 Sequence E5502 vs Lenovo ThinkStation D20 (415521G), NL

102specifications compared
14differ
88identical
1known for one product only

Key differences

The Lenovo ThinkStation D20 (415521G), NL has 2 more processor cores than the Lenovo ThinkStation S20 Intel® Xeon® 5000 Sequence E5502 (4 vs 2). The Lenovo ThinkStation D20 (415521G), NL has 2 more processor threads than the Lenovo ThinkStation S20 Intel® Xeon® 5000 Sequence E5502 (4 vs 2). The Lenovo ThinkStation D20 (415521G), NL has 0.27 GHz more processor frequency than the Lenovo ThinkStation S20 Intel® Xeon® 5000 Sequence E5502 (2.13 GHz vs 1.86 GHz). Processor model: E5502 on the Lenovo ThinkStation S20 Intel® Xeon® 5000 Sequence E5502, E5506 on the Lenovo ThinkStation D20 (415521G), NL. Processor code: SLBEZ on the Lenovo ThinkStation S20 Intel® Xeon® 5000 Sequence E5502, SLBF8 on the Lenovo ThinkStation D20 (415521G), NL.

Processor model
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:E5502
- ThinkStation D20 (415521G), NL:E5506
Processor cores
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:2
- ThinkStation D20 (415521G), NL:4
Processor threads
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:2
- ThinkStation D20 (415521G), NL:4
Processor frequency
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:1.86 GHz
- ThinkStation D20 (415521G), NL:2.13 GHz
CPU multiplier (bus/core ratio)
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:14
- ThinkStation D20 (415521G), NL:16
Maximum internal memory
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:12 GB
- ThinkStation D20 (415521G), NL:96 GB
Power supply
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:625 W
- ThinkStation D20 (415521G), NL:1060 W
Processor ARK ID
- ThinkStation S20 Intel® Xeon® 5000 Sequence E5502:37092
- ThinkStation D20 (415521G), NL:37096

Side by side

Differences highlightedShow differences only

Comparison of S20, ThinkStation D20 (415521G), NL
103 specifications	A Lenovo ThinkStation S20 Intel® Xeon® 5000 Sequence E5502 Model S20 View product	B Lenovo ThinkStation D20 (415521G), NL View product
Processor5 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5502	E5506
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor frequencyDiffers	1.86 GHz	2.13 GHz
Processor cache	4 MB	4 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rate	4.8 GT/s	4.8 GT/s
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Xeon 5500 Series	Intel Xeon 5500 Series
Processor codename	Nehalem EP	Nehalem EP
Processor system type	DP	DP
Thermal Design Power (TDP)	80 W	80 W
Tcase	76 °C	76 °C
Number of QPI links	2	2
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
CPU multiplier (bus/core ratio)Differs	14	16
Stepping	D0	D0
Maximum internal memory supported by processor	144 GB	144 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processor	800 MHz	800 MHz
Memory bandwidth supported by processor (max)	19.2 GB/s	19.2 GB/s
ECC supported by processor	Yes	Yes
Memory1 differ
Internal memory	4 GB	4 GB
Maximum internal memoryDiffers	12 GB	96 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory clock speed	1066 MHz	1066 MHz
Memory channels	Triple-channel	Triple-channel
Storageidentical
Optical drive type	DVD-RW	DVD-RW
HDD capacity	250 GB	250 GB
HDD interface	SATA	SATA
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Card reader integrated	Yes	Yes
Compatible memory cards	CF, MMC, SD, xD	CF, MMC, SD, xD
Performanceidentical
Product type	Workstation	Workstation
Optical driveidentical
CD read speed	40x	40x
Ports & interfacesidentical
USB 2.0 ports quantity	10	10
Ethernet LAN (RJ-45) ports	2	2
Headphone outputs	1	1
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	0	0
PS/2 ports quantity	0	0
Firewire (IEEE 1394) ports	2	2
eSATA ports quantity	1	1
Serial ports quantity	1	1
Parallel ports quantity	0	0
Expansion slotsidentical
PCI Express x16 slots	1	1
PCI slots	2	2
Power1 differ
Power requirements	100-240V; 50/60Hz	100-240V; 50/60Hz
Power supplyDiffers	625 W	1060 W
Designidentical
Chassis type	Tower	Tower
Software1 differ
Operating system installed	Windows XP Professional	Windows XP Professional
Compatible operating systemsDiffers	Windows XP Pro SP1a/SP2a 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	Windows XP Pro SP1a/SP2a 32/64-bit Red Hat Enterprise Linux 5.0 Windows Vista Business Windows Vista Business 64 Windows Vista Enterprise Edition 32-bit Windows Vista Enterprise Edition 64-bit Windows Vista Ultimate Windows Vista Ultimate 64-Bit
Displayidentical
Display included	No	No
Processor special features2 differ
CPU configuration (max)	2	2
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 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 Technology	No	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)	Yes	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)	Yes	Yes
Processor ARK IDDiffers	37092	37096
Processor codeDiffers	SLBEZ	SLBF8
Processor package size	42.5 x 45 mm	42.5 x 45 mm
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
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
Audioidentical
Audio system	ADI 1988 A	ADI 1988 A
Weight & dimensions4 differ
WidthDiffers	175 mm	210 mm
DepthDiffers	460 mm	579 mm
HeightDiffers	478 mm	485 mm
WeightDiffers	16.3 kg	24.9 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboardidentical
Keyboard type	Preferred Pro USB	Preferred Pro USB

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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