Product comparison · 2 pcs/workstations

Lenovo ThinkStation E20 + ThinkVision L2251p vs TERRA PC-BUSINESS 4000

73specifications compared
35differ
38identical
60known for one product only

Key differences

Processor family
- ThinkStation E20 + ThinkVision L2251p:Intel® Core™ i3
- TERRA PC-BUSINESS 4000:Intel® Pentium®
Processor model
- ThinkStation E20 + ThinkVision L2251p:i3-530
- TERRA PC-BUSINESS 4000:E5300
Processor threads
- ThinkStation E20 + ThinkVision L2251p:4
- TERRA PC-BUSINESS 4000:2
Processor frequency
- ThinkStation E20 + ThinkVision L2251p:2.93 GHz
- TERRA PC-BUSINESS 4000:2.6 GHz
Processor cache
- ThinkStation E20 + ThinkVision L2251p:4 MB
- TERRA PC-BUSINESS 4000:2 MB
Processor cache type
- ThinkStation E20 + ThinkVision L2251p:Smart Cache
- TERRA PC-BUSINESS 4000:L2
Bus type
- ThinkStation E20 + ThinkVision L2251p:DMI
- TERRA PC-BUSINESS 4000:FSB
Processor lithography
- ThinkStation E20 + ThinkVision L2251p:32 nm
- TERRA PC-BUSINESS 4000:45 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation E20 + ThinkVision L2251p, TERRA PC-BUSINESS 4000
133 specifications	A Lenovo ThinkStation E20 + ThinkVision L2251p View product	B TERRA TERRA PC-BUSINESS 4000 View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i3	Intel® Pentium®
Processor generationKnown for one	Intel® Core™ i3	Unknown — not stated by the source
Processor modelDiffers	i3-530	E5300
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.93 GHz	2.6 GHz
Processor cacheDiffers	4 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i3-500 Desktop Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Clarkdale	Wolfdale
Thermal Design Power (TDP)Differs	73 W	65 W
TcaseDiffers	72.6 °C	74.1 °C
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
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	13
SteppingDiffers	C2	R0
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
ECC supported by processor	No	No
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Memory1 differ
Internal memory	2 GB	2 GB
Maximum internal memoryKnown for one	16 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Memory layout (slots x size)Known for one	Unknown — not stated by the source	2 x 1 GB
Storage2 differ
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interfaceDiffers	SATA	SATA II
HDD speed	7200 RPM	7200 RPM
Card reader integratedDiffers	Yes	No
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-ROM
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Graphicsidentical
On-board graphics card	Yes	Yes
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
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 3100
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
Performance1 differ
Product typeDiffers	Workstation	PC
Motherboard chipsetKnown for one	Intel® 3450	Unknown — not stated by the source
Audio output channelsKnown for one	Unknown — not stated by the source	5.1 channels
Ports & interfaces2 differ
USB 2.0 ports quantityDiffers	10	6
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	1	1
PS/2 ports quantity	2	2
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantity	1	1
Parallel ports quantityDiffers	0	1
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
Poweridentical
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
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
Designidentical
Chassis type	Tower	Tower
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", 1 x 3.5"
Internal drive baysKnown for one	Unknown — not stated by the source	1 x 3.5"
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows 7 Professional
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Trial softwareKnown for one	Unknown — not stated by the source	Kaspersky Internet Security
Bundled softwareKnown for one	Unknown — not stated by the source	Adobe Reader
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 features9 differ
CPU configuration (max)	1	1
Embedded options availableDiffers	No	Yes
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	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)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	2
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	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)Known for one	36 bit	Unknown — not stated by the source
Processor ARK IDDiffers	46472	35300
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	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
Processor codeKnown for one	Unknown — not stated by the source	SLB9U
Audio1 differ
Audio systemDiffers	Realtek ALC662	HD Realtek ALC662
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
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
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
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

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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