Product comparison · 2 pcs/workstations

Lenovo Essential H220 vs Lenovo ThinkStation D20 (4155-79G), BE

72specifications compared
34differ
38identical
49known for one product only

Key differences

Processor family
- Essential H220:Intel® Pentium®
- ThinkStation D20 (4155-79G), BE:Intel® Xeon® 5000 Sequence
Processor model
- Essential H220:E5300
- ThinkStation D20 (4155-79G), BE:E5507
Processor cores
- Essential H220:2
- ThinkStation D20 (4155-79G), BE:4
Processor threads
- Essential H220:2
- ThinkStation D20 (4155-79G), BE:4
Processor frequency
- Essential H220:2.6 GHz
- ThinkStation D20 (4155-79G), BE:2.26 GHz
Processor cache
- Essential H220:2 MB
- ThinkStation D20 (4155-79G), BE:4 MB
Processor cache type
- Essential H220:L2
- ThinkStation D20 (4155-79G), BE:Smart Cache
Bus type
- Essential H220:FSB
- ThinkStation D20 (4155-79G), BE:QPI

Side by side

Differences highlightedShow differences only

Comparison of Essential H220, ThinkStation D20 (4155-79G), BE
121 specifications	A Lenovo Essential H220 View product	B Lenovo ThinkStation D20 (4155-79G), BE View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5300	E5507
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.6 GHz	2.26 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Bus typeDiffers	FSB	QPI
FSB Parity	No	No
System bus rateKnown for one	Unknown — not stated by the source	4.8 GT/s
Processor lithography	45 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Pentium E5000 Series for Desktop	Intel Xeon 5500 Series
Processor codenameDiffers	Wolfdale	Nehalem EP
Thermal Design Power (TDP)Differs	65 W	80 W
TcaseDiffers	74.1 °C	76 °C
Number of QPI linksKnown for one	Unknown — not stated by the source	2
Processor socketDiffers	LGA 775 (Socket T)	Socket B (LGA 1366)
SteppingDiffers	R0	D0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	144 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3-SDRAM
Memory clock speeds supported by processorKnown for one	Unknown — not stated by the source	800 MHz
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	19.2 GB/s
ECC supported by processorDiffers	No	Yes
Processor front side busKnown for one	800 MHz	Unknown — not stated by the source
Number of Processing Die TransistorsKnown for one	228 M	Unknown — not stated by the source
Processing Die sizeKnown for one	82 mm²	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	13	Unknown — not stated by the source
PlatformKnown for one	PC	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	1 GB	3 GB
Maximum internal memoryKnown for one	Unknown — not stated by the source	96 GB
Internal memory typeDiffers	DDR2-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Differs	1 x 2 GB	3 x 1 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Storage1 differ
Optical drive type	DVD-RW	DVD-RW
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD interfaceDiffers	SATA	SATA II
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	Unknown — not stated by the source	CF, MMC, SD, xD
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Floppy drive installedKnown for one	No	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	PC	Workstation
Optical driveidentical
CD read speedKnown for one	Unknown — not stated by the source	40x
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	6	10
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputs	1	1
Line-in	Yes	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantityDiffers	2	0
Firewire (IEEE 1394) portsDiffers	0	2
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantity	1	1
Parallel ports quantity	0	0
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
Expansion slotsidentical
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	100-240V; 50/60Hz
Power supplyKnown for one	Unknown — not stated by the source	1060 W
Designidentical
Chassis type	Tower	Tower
Product colourKnown for one	Black	Unknown — not stated by the source
Software1 differ
Operating system installedDiffers	FreeDOS	Windows 7 Professional
Optional operating system suppliedKnown for one	Unknown — not stated by the source	Windows XP Professional
Compatible operating systemsKnown for one	Unknown — not stated by the source	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
Displayidentical
Display included	No	No
Processor special features8 differ
Embedded options availableDiffers	Yes	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	No	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	No	No
Intel VT-x with Extended Page Tables (EPT)Differs	No	Yes
Intel Virtualization Technology (VT-x)Differs	2	Yes
Intel Virtualization Technology for Directed I/O (VT-d)Differs	No	Yes
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	Unknown — not stated by the source	Yes
Intel® Wireless Display (Intel® WiDi)	No	No
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	Yes
Processor ARK IDDiffers	35300	37100
Processor codeDiffers	SLB9U	SLBKC
Thermal Monitoring TechnologiesDiffers	Yes	No
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
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	ADI 1988 A
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	210 mm
DepthKnown for one	Unknown — not stated by the source	579 mm
HeightKnown for one	Unknown — not stated by the source	485 mm
WeightKnown for one	Unknown — not stated by the source	24.9 kg
Packaging contentidentical
Mouse included	Yes	Yes
Keyboard includedKnown for one	Yes	Unknown — not stated by the source
Remote control includedKnown for one	No	Unknown — not stated by the source
Keyboardidentical
Keyboard typeKnown for one	Unknown — not stated by the source	Preferred Pro USB
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA X4500	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Fast Ethernet	Unknown — not stated by the source
Other featuresidentical
TV tuner integratedKnown for one	No	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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