Product comparison · 2 pcs/workstations

Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x vs Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2440p

103specifications compared
2differ
101identical
0known for one product only

Key differences

Display diagonal: 55.9 cm (22") on the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x, 61 cm (24") on the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2440p. Resolution: 1680 x 1050 pixels on the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x, 1920 x 1200 pixels on the Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2440p.

Display diagonal
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:55.9 cm (22")
- D20 + NVIDIA Quadro 2000 + ThinkVision L2440p:61 cm (24")
Resolution
- D20 + NVIDIA Quadro 2000 + ThinkVision L2251x:1680 x 1050 pixels
- D20 + NVIDIA Quadro 2000 + ThinkVision L2440p:1920 x 1200 pixels

Side by side

Differences highlightedShow differences only

Comparison of D20 + NVIDIA Quadro 2000 + ThinkVision L2251x, D20 + NVIDIA Quadro 2000 + ThinkVision L2440p
103 specifications	A Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2251x View product	B Lenovo D20 + NVIDIA Quadro 2000 + ThinkVision L2440p View product
Processoridentical
Processor manufacturer	Intel	Intel
Processor family	Intel® Xeon® 5000 Sequence	Intel® Xeon® 5000 Sequence
Processor model	E5620	E5620
Processor cores	4	4
Processor threads	8	8
Processor boost frequency	2.66 GHz	2.66 GHz
Processor frequency	2.4 GHz	2.4 GHz
Processor cache	12 MB	12 MB
Processor cache type	Smart Cache	Smart Cache
Bus type	QPI	QPI
FSB Parity	No	No
System bus rate	5.86 GT/s	5.86 GT/s
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Xeon 5600 Series	Intel Xeon 5600 Series
Processor codename	Westmere EP	Westmere EP
Thermal Design Power (TDP)	80 W	80 W
Tcase	77.6 °C	77.6 °C
Number of QPI links	2	2
Number of processors installed	2	2
Processor socket	Socket B (LGA 1366)	Socket B (LGA 1366)
CPU multiplier (bus/core ratio)	18	18
Stepping	B1	B1
Maximum internal memory supported by processor	288 GB	288 GB
Memory types supported by processor	DDR3 800/1066	DDR3 800/1066
Memory clock speeds supported by processor	800,1066 MHz	800,1066 MHz
Memory bandwidth supported by processor (max)	25.6 GB/s	25.6 GB/s
ECC supported by processor	Yes	Yes
Memoryidentical
Internal memory	4 GB	4 GB
Maximum internal memory	48 GB	48 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory slots	12x DIMM	12x DIMM
Memory clock speed	1333 MHz	1333 MHz
ECC	Yes	Yes
Memory channels	Triple-channel	Triple-channel
Storageidentical
Optical drive type	DVD-RW	DVD-RW
Number of HDDs installed	1	1
HDD capacity	500 GB	500 GB
HDD interface	SATA	SATA
HDD speed	7200 RPM	7200 RPM
Card reader integrated	Yes	Yes
Graphicsidentical
Graphics card	No	No
Performanceidentical
Product type	Workstation	Workstation
Motherboard chipset	Intel® 5520	Intel® 5520
Networkidentical
Networking features	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet (10/100/1000)
Ports & interfacesidentical
USB 2.0 ports quantity	10	10
Ethernet LAN (RJ-45) ports	2	2
Headphone outputs	1	1
Microphone in	Yes	Yes
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	2	2
Serial ports quantity	1	1
Poweridentical
Power supply	1060 W	1060 W
Power supply input voltage	100 - 240 V	100 - 240 V
Power supply input frequency	50 - 60 Hz	50 - 60 Hz
Designidentical
Chassis type	Tower	Tower
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Operating system architecture	64-bit	64-bit
Display2 differ
Display included	Yes	Yes
Display diagonalDiffers	55.9 cm (22")	61 cm (24")
ResolutionDiffers	1680 x 1050 pixels	1920 x 1200 pixels
Processor special featuresidentical
CPU configuration (max)	2	2
Embedded options available	Yes	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 Technology	Yes	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)	Yes	Yes
Intel® AES New Instructions (Intel® AES-NI)	Yes	Yes
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® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)	40 bit	40 bit
Processor ARK ID	47925	47925
Processor code	SLBV4	SLBV4
Processor package size	42.5 X 45 mm	42.5 X 45 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
Audioidentical
Audio system	High Definition Audio	High Definition Audio
Weight & dimensionsidentical
Width	210 mm	210 mm
Depth	602 mm	602 mm
Height	434 mm	434 mm
Weight	25 kg	25 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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