Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (4155-79G), UK vs TERRA PC-HOME 5100

78specifications compared
41differ
37identical
59known for one product only

Key differences

Processor family
- ThinkStation D20 (4155-79G), UK:Intel® Xeon® 5000 Sequence
- TERRA PC-HOME 5100:Intel® Core™2 Duo
Processor model
- ThinkStation D20 (4155-79G), UK:E5507
- TERRA PC-HOME 5100:E7500
Processor cores
- ThinkStation D20 (4155-79G), UK:4
- TERRA PC-HOME 5100:2
Processor threads
- ThinkStation D20 (4155-79G), UK:4
- TERRA PC-HOME 5100:2
Processor frequency
- ThinkStation D20 (4155-79G), UK:2.26 GHz
- TERRA PC-HOME 5100:2.93 GHz
Processor cache
- ThinkStation D20 (4155-79G), UK:4 MB
- TERRA PC-HOME 5100:3 MB
Processor cache type
- ThinkStation D20 (4155-79G), UK:Smart Cache
- TERRA PC-HOME 5100:L2
Bus type
- ThinkStation D20 (4155-79G), UK:QPI
- TERRA PC-HOME 5100:FSB

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation D20 (4155-79G), UK, TERRA PC-HOME 5100
137 specifications	A Lenovo ThinkStation D20 (4155-79G), UK View product	B TERRA TERRA PC-HOME 5100 View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel® Core™2 Duo
Processor modelDiffers	E5507	E7500
Processor coresDiffers	4	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.26 GHz	2.93 GHz
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	QPI	FSB
FSB Parity	No	No
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 5500 Series	Intel Core 2 Duo E7000 Series
Processor codenameDiffers	Nehalem EP	Wolfdale
Thermal Design Power (TDP)Differs	80 W	65 W
TcaseDiffers	76 °C	74.1 °C
Processor socketDiffers	Socket B (LGA 1366)	LGA 775 (Socket T)
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	228 M
Processing Die sizeKnown for one	Unknown — not stated by the source	82 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	11
SteppingDiffers	D0	R0
ECC supported by processorDiffers	Yes	No
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	144 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3-SDRAM	Unknown — not stated by the source
Memory clock speeds supported by processorKnown for one	800 MHz	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	19.2 GB/s	Unknown — not stated by the source
Memory4 differ
Internal memoryDiffers	3 GB	4 GB
Maximum internal memoryDiffers	96 GB	8 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	3 x 1 GB	2 x 2 GB
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Memory channelsKnown for one	Triple-channel	Unknown — not stated by the source
Memory typeKnown for one	DDR3 SDRAM	Unknown — not stated by the source
Storage1 differ
Total storage capacityKnown for one	Unknown — not stated by the source	640 GB
Optical drive typeDiffers	DVD-RW	DVD±RW
HDD interface	SATA II	SATA II
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Card reader integrated	Yes	Yes
Floppy drive installedKnown for one	Unknown — not stated by the source	No
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
Compatible memory cardsKnown for one	CF, MMC, SD, xD	Unknown — not stated by the source
Storage drive typeKnown for one	500GB SATA/ 7200	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	No
Discrete graphics card modelKnown for one	Unknown — not stated by the source	AMD Radeon HD 5450
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	1 GB
Graphics card familyKnown for one	Unknown — not stated by the source	AMD
Performance1 differ
Product typeDiffers	Workstation	PC
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
Modem typeKnown for one	No	Unknown — not stated by the source
Ports & interfaces7 differ
USB 2.0 ports quantityDiffers	10	6
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
Ethernet LAN (RJ-45) portsDiffers	2	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	0	1
DVI portKnown for one	Unknown — not stated by the source	Yes
PS/2 ports quantityDiffers	0	2
Firewire (IEEE 1394) portsDiffers	2	0
Serial ports quantityDiffers	1	0
Parallel ports quantityDiffers	0	1
I/O portsKnown for one	Unknown — not stated by the source	6 x Audio
Line-inKnown for one	Yes	Unknown — not stated by the source
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 slots	1	1
PCI slotsKnown for one	2	Unknown — not stated by the source
Expansion slotsKnown for one	PCI Express 2.0	Unknown — not stated by the source
Power1 differ
Power requirementsDiffers	100-240V; 50/60Hz	230 V, 4 A
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 Hz
Power consumption (typical)Known for one	Unknown — not stated by the source	350 W
Power supplyKnown for one	1060 W	Unknown — not stated by the source
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Unknown — not stated by the source	Grey
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"
Form factorKnown for one	Tower Tower (6x9)	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
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
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 features7 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 SwitchingDiffers	Yes	No
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)Differs	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	2
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® Wireless Display (Intel® WiDi)	No	No
Processor ARK IDDiffers	37100	36503
Processor codeDiffers	SLBKC	SLB9Z
Processor package sizeKnown for one	Unknown — not stated by the source	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost Technology	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	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
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	ADI 1988 A	HD Realtek ALC888
Weight & dimensions3 differ
WidthDiffers	210 mm	180 mm
DepthDiffers	579 mm	380 mm
HeightDiffers	485 mm	375 mm
WeightKnown for one	24.9 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse included	Yes	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
Security featuresKnown for one	Boot sequence control, Boot without keyboard or mouse, Configuration password, Cover key lock, Diskette Boot inhibit, Diskette I/O control, Hardfile I/O control, Padlock loop, Power on password, Security slot (for attachment of optional cable lock), Ser	Unknown — not stated by the source
Optical driveidentical
CD read speedKnown for one	40x	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	USB Optical Wheel Mouse	Unknown — not stated by the source
Keyboard typeKnown for one	Preferred Pro USB	Unknown — not stated by the source
Featuresidentical
Manageability featuresKnown for one	Image Ultra - HIIT Compliant Drivers - Vista Only, Secure Data Disposal, ThinkVantage Image Ultra Builder - Vista Support, ThinkVantage Update Builder, ThinkVantage Update Retriever	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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