Product comparison · 2 pcs/workstations

HP 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM vs Lenovo ThinkStation D20 (4155-79G), DE

76specifications compared
39differ
37identical
47known for one product only

Key differences

The Lenovo ThinkStation D20 (4155-79G), DE has 2 more processor cores than the HP 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM (4 vs 2). The Lenovo ThinkStation D20 (4155-79G), DE has 2 more processor threads than the HP 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM (4 vs 2). The HP 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM has 0.44 GHz more processor frequency than the Lenovo ThinkStation D20 (4155-79G), DE (2.7 GHz vs 2.26 GHz). Only the Lenovo ThinkStation D20 (4155-79G), DE has ECC supported by processor. Only the Lenovo ThinkStation D20 (4155-79G), DE has Intel Demand Based Switching.

Processor family
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:Intel® Pentium®
- ThinkStation D20 (4155-79G), DE:Intel® Xeon® 5000 Sequence
Processor model
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:E5400
- ThinkStation D20 (4155-79G), DE:E5507
Processor cores
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2
- ThinkStation D20 (4155-79G), DE:4
Processor threads
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2
- ThinkStation D20 (4155-79G), DE:4
Processor frequency
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2.7 GHz
- ThinkStation D20 (4155-79G), DE:2.26 GHz
Processor cache
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:2 MB
- ThinkStation D20 (4155-79G), DE:4 MB
Processor cache type
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:L2
- ThinkStation D20 (4155-79G), DE:Smart Cache
Bus type
- 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM:FSB
- ThinkStation D20 (4155-79G), DE:QPI

Side by side

Differences highlightedShow differences only

Comparison of 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM, ThinkStation D20 (4155-79G), DE
123 specifications	A HP 500B MT + 1GB PC3-10600 (DDR3-1333 MHz) DIMM View product	B Lenovo ThinkStation D20 (4155-79G), DE View product
Processor15 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Pentium®	Intel® Xeon® 5000 Sequence
Processor modelDiffers	E5400	E5507
Processor coresDiffers	2	4
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.7 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	45, 65	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	13.5	Unknown — not stated by the source
Memory3 differ
Internal memoryDiffers	2 GB	3 GB
Maximum internal memoryDiffers	4 GB	96 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	3 x 1 GB
Memory clock speedDiffers	1333 MHz	1066 MHz
Memory channelsKnown for one	Unknown — not stated by the source	Triple-channel
Memory slotsKnown for one	2x DIMM	Unknown — not stated by the source
Storage2 differ
Optical drive typeDiffers	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
Graphicsidentical
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.5 GB
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
Discrete graphics card modelKnown for one	Intel® GMA X4500HD	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
LightScribeKnown for one	Yes	Unknown — not stated by the source
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	6	10
Ethernet LAN (RJ-45) portsDiffers	1	2
Headphone outputs	1	1
Line-inKnown for one	Unknown — not stated by the source	Yes
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityDiffers	1	0
PS/2 ports quantity	0	0
Firewire (IEEE 1394) portsDiffers	0	2
eSATA ports quantityKnown for one	Unknown — not stated by the source	1
Serial ports quantityDiffers	0	1
Parallel ports quantity	0	0
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
Design1 differ
Chassis typeDiffers	Micro Tower	Tower
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Country of originKnown for one	China	Unknown — not stated by the source
Softwareidentical
Operating system installed	Windows 7 Professional	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 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	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	40478	37100
Processor codeDiffers	SLGH7	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
Processor package sizeKnown for one	37.5 x 37.5 mm	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	ADI 1988 A
Weight & dimensions4 differ
WidthDiffers	166 mm	210 mm
DepthDiffers	428 mm	579 mm
HeightDiffers	384 mm	485 mm
WeightDiffers	10.2 kg	24.9 kg
Packaging contentidentical
Mouse includedKnown for one	Unknown — not stated by the source	Yes
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
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	Ethernet, 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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