Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 + ThinkVision L2251p vs Lenovo ThinkStation S20 + NVIDIA Quadro FX 1800

91specifications compared
35differ
56identical
13known for one product only

Key differences

Processor family
- ThinkStation D20 + ThinkVision L2251p:Intel® Xeon® 5000 Sequence
- ThinkStation S20 + NVIDIA Quadro FX 1800:Intel® Xeon® 3000 Sequence
Processor model
- ThinkStation D20 + ThinkVision L2251p:E5506
- ThinkStation S20 + NVIDIA Quadro FX 1800:W3530
Processor threads
- ThinkStation D20 + ThinkVision L2251p:4
- ThinkStation S20 + NVIDIA Quadro FX 1800:8
Processor frequency
- ThinkStation D20 + ThinkVision L2251p:2.13 GHz
- ThinkStation S20 + NVIDIA Quadro FX 1800:2.8 GHz
Processor cache
- ThinkStation D20 + ThinkVision L2251p:4 MB
- ThinkStation S20 + NVIDIA Quadro FX 1800:8 MB
Processor series
- ThinkStation D20 + ThinkVision L2251p:Intel Xeon 5500 Series
- ThinkStation S20 + NVIDIA Quadro FX 1800:Intel Xeon 3500 Series
Processor codename
- ThinkStation D20 + ThinkVision L2251p:Nehalem EP
- ThinkStation S20 + NVIDIA Quadro FX 1800:Bloomfield
Thermal Design Power (TDP)
- ThinkStation D20 + ThinkVision L2251p:80 W
- ThinkStation S20 + NVIDIA Quadro FX 1800:130 W

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation D20 + ThinkVision L2251p, ThinkStation S20 + NVIDIA Quadro FX 1800
104 specifications	A Lenovo ThinkStation D20 + ThinkVision L2251p View product	B Lenovo ThinkStation S20 + NVIDIA Quadro FX 1800 View product
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Xeon® 3000 Sequence
Processor modelDiffers	E5506	W3530
Processor cores	4	4
Processor threadsDiffers	4	8
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.06 GHz
Processor frequencyDiffers	2.13 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)
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)Differs	16	21
Processor core voltage (AC)Known for one	Unknown — not stated by the source	1.55 V
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 system typeKnown for one	DP	Unknown — not stated by the source
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
Memory slotsKnown for one	12x DIMM	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Storage2 differ
HDD capacityDiffers	250 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
Performance1 differ
Product type	Workstation	Workstation
Motherboard chipsetDiffers	Intel® 5520	Intel® X58 Express
Ports & interfaces2 differ
USB 2.0 ports quantity	10	10
Ethernet LAN (RJ-45) portsDiffers	2	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	0	0
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) ports	2	2
Serial ports quantity	1	1
Parallel ports quantity	0	0
Poweridentical
Power supplyKnown for one	Unknown — not stated by the source	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
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	55.9 cm (22")	Unknown — not stated by the source
ResolutionKnown for one	1680 x 1050 pixels	Unknown — not stated by the source
Processor special features8 differ
CPU configuration (max)Differs	2	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 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	37096	41313
Processor codeDiffers	SLBF8	SLBKR
Processor package sizeDiffers	42.5 x 45 mm	42.5 x 45.0 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
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
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensions4 differ
WidthDiffers	210 mm	175 mm
DepthDiffers	602 mm	460 mm
HeightDiffers	434 mm	478 mm
WeightDiffers	25 kg	16.3 kg

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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