Product comparison · 2 pcs/workstations

Lenovo ThinkStation D20 (4155-79G), IT vs TERRA PC-NETTOP 2500 GREENLINE

74specifications compared
41differ
33identical
49known for one product only

Key differences

Processor family
- ThinkStation D20 (4155-79G), IT:Intel® Xeon® 5000 Sequence
- TERRA PC-NETTOP 2500 GREENLINE:Intel Atom®
Processor model
- ThinkStation D20 (4155-79G), IT:E5507
- TERRA PC-NETTOP 2500 GREENLINE:230
Processor cores
- ThinkStation D20 (4155-79G), IT:4
- TERRA PC-NETTOP 2500 GREENLINE:1
Processor threads
- ThinkStation D20 (4155-79G), IT:4
- TERRA PC-NETTOP 2500 GREENLINE:2
Processor frequency
- ThinkStation D20 (4155-79G), IT:2.26 GHz
- TERRA PC-NETTOP 2500 GREENLINE:1.6 GHz
Processor cache
- ThinkStation D20 (4155-79G), IT:4 MB
- TERRA PC-NETTOP 2500 GREENLINE:0.512 MB
Processor cache type
- ThinkStation D20 (4155-79G), IT:Smart Cache
- TERRA PC-NETTOP 2500 GREENLINE:L2
Bus type
- ThinkStation D20 (4155-79G), IT:QPI
- TERRA PC-NETTOP 2500 GREENLINE:FSB

Side by side

Differences highlightedShow differences only

Comparison of ThinkStation D20 (4155-79G), IT, TERRA PC-NETTOP 2500 GREENLINE
123 specifications	A Lenovo ThinkStation D20 (4155-79G), IT View product	B TERRA TERRA PC-NETTOP 2500 GREENLINE View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Xeon® 5000 Sequence	Intel Atom®
Processor modelDiffers	E5507	230
Processor coresDiffers	4	1
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.26 GHz	1.6 GHz
Processor cacheDiffers	4 MB	0.512 MB
Processor cache typeDiffers	Smart Cache	L2
Bus typeDiffers	QPI	FSB
FSB Parity	No	No
System bus rateKnown for one	4.8 GT/s	Unknown — not stated by the source
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Xeon 5500 Series	Intel Atom 200 Series
Processor codenameDiffers	Nehalem EP	Diamondville
Thermal Design Power (TDP)Differs	80 W	4 W
TcaseDiffers	76 °C	85.2 °C
Number of QPI linksKnown for one	2	Unknown — not stated by the source
Processor socketDiffers	Socket B (LGA 1366)	BGA 437
SteppingDiffers	D0	C0
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
ECC supported by processorDiffers	Yes	No
Processor front side busKnown for one	Unknown — not stated by the source	533 MHz
Number of Processing Die TransistorsKnown for one	Unknown — not stated by the source	47 M
Processing Die sizeKnown for one	Unknown — not stated by the source	26 mm²
CPU multiplier (bus/core ratio)Known for one	Unknown — not stated by the source	12
Memory2 differ
Internal memoryDiffers	3 GB	2 GB
Maximum internal memoryKnown for one	96 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	3 x 1 GB	Unknown — not stated by the source
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
Storage2 differ
Optical drive typeDiffers	DVD-RW	No
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD interface	SATA II	SATA II
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	CF, MMC, SD, xD	Unknown — not stated by the source
Total storage capacityKnown for one	Unknown — not stated by the source	250 GB
HDD speedKnown for one	Unknown — not stated by the source	5400 RPM
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Performance1 differ
Product typeDiffers	Workstation	PC
Audio output channelsKnown for one	Unknown — not stated by the source	2.0 channels
Optical driveidentical
CD read speedKnown for one	40x	Unknown — not stated by the source
Ports & interfaces4 differ
USB 2.0 ports quantityDiffers	10	6
Ethernet LAN (RJ-45) portsDiffers	2	1
Headphone outputs	1	1
Line-inKnown for one	Yes	Unknown — not stated by the source
Microphone in	Yes	Yes
VGA (D-Sub) ports quantity	0	0
PS/2 ports quantity	0	0
Firewire (IEEE 1394) portsDiffers	2	0
eSATA ports quantityKnown for one	1	Unknown — not stated by the source
Serial ports quantityDiffers	1	0
Parallel ports quantity	0	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
DVI portKnown for one	Unknown — not stated by the source	Yes
Expansion slotsidentical
PCI Express x16 slotsKnown for one	1	Unknown — not stated by the source
PCI slotsKnown for one	2	Unknown — not stated by the source
Power1 differ
Power requirementsDiffers	100-240V; 50/60Hz	100-240V
Power supplyKnown for one	1060 W	Unknown — not stated by the source
Power supply input frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
Design1 differ
Chassis typeDiffers	Tower	SFF
Product colourKnown for one	Unknown — not stated by the source	Black
Software1 differ
Operating system installedDiffers	Windows 7 Professional	FreeDOS
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
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Displayidentical
Display included	No	No
Processor special features10 differ
Embedded options available	No	No
Enhanced Intel SpeedStep TechnologyDiffers	Yes	No
Execute Disable Bit	Yes	Yes
Idle StatesDiffers	Yes	No
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 StateDiffers	Yes	No
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	No
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 CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	37100	35635
Processor codeDiffers	SLBKC	SLB6Z
Thermal Monitoring Technologies	No	No
Intel® Turbo Boost Technology	No	No
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
Processor package sizeKnown for one	Unknown — not stated by the source	22 x 22 mm
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE2, SSE3, SSSE3
Audio1 differ
Audio systemDiffers	ADI 1988 A	HD
Weight & dimensions3 differ
WidthDiffers	210 mm	26 mm
DepthDiffers	579 mm	175 mm
HeightDiffers	485 mm	152 mm
WeightKnown for one	24.9 kg	Unknown — not stated by the source
Packaging contentidentical
Mouse includedKnown for one	Yes	Unknown — not stated by the source
Remote control includedKnown for one	Unknown — not stated by the source	No
Keyboardidentical
Keyboard typeKnown for one	Preferred Pro USB	Unknown — not stated by the source
Graphicsidentical
On-board graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	NVIDIA® ION™
Graphics card familyKnown for one	Unknown — not stated by the source	Nvidia
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
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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