Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (4155-79G), IT vs Lenovo ThinkStation S20 + NVIDIA Quadro FX 1800

87specifications compared
31differ
56identical
24known for one product only

Key differences

Processor family
- ThinkStation D20 (4155-79G), IT:Intel® Xeon® 5000 Sequence
- ThinkStation S20 + NVIDIA Quadro FX 1800:Intel® Xeon® 3000 Sequence
Processor model
- ThinkStation D20 (4155-79G), IT:E5507
- ThinkStation S20 + NVIDIA Quadro FX 1800:W3530
Processor threads
- ThinkStation D20 (4155-79G), IT:4
- ThinkStation S20 + NVIDIA Quadro FX 1800:8
Processor frequency
- ThinkStation D20 (4155-79G), IT:2.26 GHz
- ThinkStation S20 + NVIDIA Quadro FX 1800:2.8 GHz
Processor cache
- ThinkStation D20 (4155-79G), IT:4 MB
- ThinkStation S20 + NVIDIA Quadro FX 1800:8 MB
Processor series
- ThinkStation D20 (4155-79G), IT:Intel Xeon 5500 Series
- ThinkStation S20 + NVIDIA Quadro FX 1800:Intel Xeon 3500 Series
Processor codename
- ThinkStation D20 (4155-79G), IT:Nehalem EP
- ThinkStation S20 + NVIDIA Quadro FX 1800:Bloomfield
Thermal Design Power (TDP)
- ThinkStation D20 (4155-79G), IT:80 W
- ThinkStation S20 + NVIDIA Quadro FX 1800:130 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation D20 (4155-79G), IT, ThinkStation S20 + NVIDIA Quadro FX 1800
111 specifications	A Lenovo ThinkStation D20 (4155-79G), IT View product	B Lenovo ThinkStation S20 + NVIDIA Quadro FX 1800 View product
Processor13 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® 3000 Sequence
Processor modelDiffers	E5507	W3530
Processor cores	4	4
Processor threadsDiffers	4	8
Processor frequencyDiffers	2.26 GHz	2.8 GHz
Processor cacheDiffers	4 MB	8 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 seriesDiffers	Intel Xeon 5500 Series	Intel Xeon 3500 Series
Processor codenameDiffers	Nehalem EP	Bloomfield
Thermal Design Power (TDP)Differs	80 W	130 W
TcaseDiffers	76 °C	67.9 °C
Number of QPI linksDiffers	2	1
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
Stepping	D0	D0
Maximum internal memory supported by processorDiffers	144 GB	24 GB
Memory types supported by processor	DDR3-SDRAM	DDR3-SDRAM
Memory clock speeds supported by processorDiffers	800 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)Differs	19.2 GB/s	25.6 GB/s
ECC supported by processor	Yes	Yes
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.06 GHz
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)Known for one	Unknown — not stated by the source	21
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.55 V
Memory3 differ
Internal memoryDiffers	3 GB	6 GB
Maximum internal memoryDiffers	96 GB	24 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	3 x 1 GB	3 x 2 GB
Memory clock speed	1066 MHz	1066 MHz
Memory channels	Triple-channel	Triple-channel
Storage2 differ
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
HDD capacity	500 GB	500 GB
HDD interfaceDiffers	SATA II	SATA
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	CF, MMC, SD, xD	Unknown — not stated by the source
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Performanceidentical
Product type	Workstation	Workstation
Motherboard chipsetKnown for one	Unknown — not stated by the source	Intel® X58 Express
Optical driveidentical
CD read speedKnown for one	40x	Unknown — not stated by the source
Ports & interfaces1 differ
USB 2.0 ports quantity	10	10
Ethernet LAN (RJ-45) portsDiffers	2	1
Headphone outputs	1	1
Line-inKnown for one	Yes	Unknown — not stated by the source
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 quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantity	1	1
Parallel ports quantity	0	0
Expansion slotsidentical
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power requirementsKnown for one	100-240V; 50/60Hz	Unknown — not stated by the source
Power supplyDiffers	1060 W	625 W
Power supply input voltageKnown for one	Unknown — not stated by the source	100 - 240 V
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Designidentical
Chassis type	Tower	Tower
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Optional operating system suppliedKnown for one	Windows XP Professional	Unknown — not stated by the source
Compatible operating systemsKnown for one	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	Unknown — not stated by the source
Displayidentical
Display included	No	No
Processor special features6 differ
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)Differs	Yes	No
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	Yes	36 bit
Processor ARK IDDiffers	37100	41313
Processor codeDiffers	SLBKC	SLBKR
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	No	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
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Processor package sizeKnown for one	Unknown — not stated by the source	42.5 x 45.0 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Audio1 differ
Audio systemDiffers	ADI 1988 A	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	210 mm	175 mm
DepthDiffers	579 mm	460 mm
HeightDiffers	485 mm	478 mm
WeightDiffers	24.9 kg	16.3 kg
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Keyboardidentical
Keyboard typeKnown for one	Preferred Pro USB	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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