Product comparison · 2 pcs/workstations

Lenovo ThinkStation E20 + ThinkVision L2251p vs TERRA PC 4000

75specifications compared
35differ
40identical
57known for one product only

Key differences

Processor family
- ThinkStation E20 + ThinkVision L2251p:Intel® Core™ i3
- TERRA PC 4000:Intel® Core™2 Duo
Processor model
- ThinkStation E20 + ThinkVision L2251p:i3-530
- TERRA PC 4000:E7500
Processor threads
- ThinkStation E20 + ThinkVision L2251p:4
- TERRA PC 4000:2
Processor cache
- ThinkStation E20 + ThinkVision L2251p:4 MB
- TERRA PC 4000:3 MB
Processor cache type
- ThinkStation E20 + ThinkVision L2251p:Smart Cache
- TERRA PC 4000:L2
Bus type
- ThinkStation E20 + ThinkVision L2251p:DMI
- TERRA PC 4000:FSB
Processor lithography
- ThinkStation E20 + ThinkVision L2251p:32 nm
- TERRA PC 4000:45 nm
Processor codename
- ThinkStation E20 + ThinkVision L2251p:Clarkdale
- TERRA PC 4000:Wolfdale

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation E20 + ThinkVision L2251p, TERRA PC 4000
132 specifications	A Lenovo ThinkStation E20 + ThinkVision L2251p View product	B TERRA TERRA PC 4000 View product
Processor16 differ
Processor familyDiffers	Intel® Core™ i3	Intel® Core™2 Duo
Processor modelDiffers	i3-530	E7500
Processor threadsDiffers	4	2
Processor cacheDiffers	4 MB	3 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busKnown for one	Unknown — not stated by the source	1066 MHz
Bus typeDiffers	DMI	FSB
Processor lithographyDiffers	32 nm	45 nm
Processor seriesDiffers	Intel Core i3-500 Desktop Series	Intel Core 2 Duo E7000 Series
Processor codenameDiffers	Clarkdale	Wolfdale
Thermal Design Power (TDP)Differs	73 W	65 W
TcaseDiffers	72.6 °C	74.1 °C
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	382 M	228 M
Processing Die sizeDiffers	81 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	22	11
SteppingDiffers	C2	R0
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 1066/1333	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Memory3 differ
Maximum internal memoryDiffers	16 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory clock speedDiffers	1333 MHz	800 MHz
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storage2 differ
Total storage capacityKnown for one	Unknown — not stated by the source	160 GB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
HDD interfaceDiffers	SATA	SATA II
Card reader integratedDiffers	Yes	No
Floppy drive installedKnown for one	Unknown — not stated by the source	No
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Graphicsidentical
Discrete graphics card modelKnown for one	Unknown — not stated by the source	AMD Radeon 3100
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.256 GB
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	Workstation	PC
Audio output channelsKnown for one	Unknown — not stated by the source	5.1 channels
Motherboard chipsetKnown for one	Intel® 3450	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Wi-FiKnown for one	Unknown — not stated by the source	No
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	10	6
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DVI portKnown for one	Unknown — not stated by the source	No
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Parallel ports quantityDiffers	0	1
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Expansion slotsidentical
PCI Express x1 slotsKnown for one	Unknown — not stated by the source	1
PCI Express x16 slotsKnown for one	Unknown — not stated by the source	1
PCI slotsKnown for one	Unknown — not stated by the source	2
Poweridentical
Power requirementsKnown for one	Unknown — not stated by the source	230 V, 4 A, 50 Hz
Power consumption (typical)Known for one	Unknown — not stated by the source	350 W
Power supply typeKnown for one	100 - 240 VAC, 50/60 Hz	Unknown — not stated by the source
Power supplyKnown for one	280 W	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
External drive baysKnown for one	Unknown — not stated by the source	2 x 5.25", 2 x 3.5"
Internal drive baysKnown for one	Unknown — not stated by the source	2 x 3.5"
Software1 differ
Operating system installedDiffers	Windows XP Professional	FreeDOS
Drivers includedKnown for one	Unknown — not stated by the source	Yes
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
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	2
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	No
Processor ARK IDDiffers	46472	36503
Processor codeKnown for one	Unknown — not stated by the source	SLB9Z
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	Realtek ALC662	HD Realtek ALC662
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Remote control includedKnown for one	Unknown — not stated by the source	No
Certificatesidentical
CertificationKnown for one	Unknown — not stated by the source	EnergyStar, CE
Other featuresidentical
TV tuner integratedKnown for one	Unknown — not stated by the source	No
Weight & dimensionsidentical
WidthKnown for one	175 mm	Unknown — not stated by the source
DepthKnown for one	430.8 mm	Unknown — not stated by the source
HeightKnown for one	425.2 mm	Unknown — not stated by the source
WeightKnown for one	11.2 kg	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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