Product comparison · 2 pcs/workstations

Lenovo ThinkCentre M58 + 22" vs Lenovo ThinkStation E20, FR

76specifications compared
40differ
36identical
54known for one product only

Key differences

Processor family
- ThinkCentre M58 + 22":Intel® Core™2 Duo
- ThinkStation E20, FR:Intel® Core™ i5
Processor model
- ThinkCentre M58 + 22":E7500
- ThinkStation E20, FR:i5-670
Processor threads
- ThinkCentre M58 + 22":2
- ThinkStation E20, FR:4
Processor frequency
- ThinkCentre M58 + 22":2.93 GHz
- ThinkStation E20, FR:3.46 GHz
Processor cache
- ThinkCentre M58 + 22":3 MB
- ThinkStation E20, FR:4 MB
Processor cache type
- ThinkCentre M58 + 22":L2
- ThinkStation E20, FR:Smart Cache
Bus type
- ThinkCentre M58 + 22":FSB
- ThinkStation E20, FR:DMI
Processor lithography
- ThinkCentre M58 + 22":45 nm
- ThinkStation E20, FR:32 nm

Side by side

Differences highlightedShow differences only

Comparison of ThinkCentre M58 + 22", ThinkStation E20, FR
130 specifications	A Lenovo ThinkCentre M58 + 22"View product	B Lenovo ThinkStation E20, FR View product
Processor16 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™2 Duo	Intel® Core™ i5
Processor modelDiffers	E7500	i5-670
Processor cores	2	2
Processor threadsDiffers	2	4
Processor frequencyDiffers	2.93 GHz	3.46 GHz
Processor cacheDiffers	3 MB	4 MB
Processor cache typeDiffers	L2	Smart Cache
Processor front side busKnown for one	1066 MHz	Unknown — not stated by the source
Bus typeDiffers	FSB	DMI
FSB Parity	No	No
Processor lithographyDiffers	45 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo E7000 Series	Intel Core i5-600 Desktop Series
Processor codenameDiffers	Wolfdale	Clarkdale
Thermal Design Power (TDP)Differs	65 W	73 W
TcaseDiffers	74.1 °C	72.6 °C
Number of processors installedKnown for one	1	Unknown — not stated by the source
Processor socketDiffers	LGA 775 (Socket T)	LGA 1156 (Socket H)
Number of Processing Die TransistorsDiffers	228 M	382 M
Processing Die sizeDiffers	82 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	11	26
SteppingKnown for one	R0	Unknown — not stated by the source
ECC supported by processor	No	No
Processor generationKnown for one	Unknown — not stated by the source	Intel® Core™ i5
Processor boost frequencyKnown for one	Unknown — not stated by the source	3.73 GHz
System bus rateKnown for one	Unknown — not stated by the source	2.5 GT/s
Maximum number of PCI Express lanesKnown for one	Unknown — not stated by the source	16
PCI Express configurationsKnown for one	Unknown — not stated by the source	1x16, 2x8
PCI Express slots versionKnown for one	Unknown — not stated by the source	2.0
Maximum internal memory supported by processorKnown for one	Unknown — not stated by the source	16 GB
Memory types supported by processorKnown for one	Unknown — not stated by the source	DDR3 1066/1333
Memory bandwidth supported by processor (max)Known for one	Unknown — not stated by the source	21 GB/s
Memory1 differ
Internal memoryDiffers	2 GB	4 GB
Maximum internal memoryKnown for one	4 GB	Unknown — not stated by the source
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	1 x 2 GB	Unknown — not stated by the source
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
ECCKnown for one	Unknown — not stated by the source	Yes
Memory channelsKnown for one	Unknown — not stated by the source	Dual-channel
Storage2 differ
Total storage capacityKnown for one	320 GB	Unknown — not stated by the source
Optical drive typeDiffers	DVD-ROM	DVD-RW
HDD interfaceDiffers	SATA II	SATA
Card reader integrated	No	No
Floppy drive installedKnown for one	No	Unknown — not stated by the source
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	32 MB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
Drive device, transfer rateKnown for one	Unknown — not stated by the source	3000 MB/s
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card modelKnown for one	Intel® GMA 4500M	Unknown — not stated by the source
Graphics card familyKnown for one	Intel	Unknown — not stated by the source
On-board graphics card familyKnown for one	Unknown — not stated by the source	Intel® HD Graphics
On-board graphics card modelKnown for one	Unknown — not stated by the source	Intel® HD Graphics
Number of displays supported (on-board graphics)Known for one	Unknown — not stated by the source	2
On-board graphics card base frequencyKnown for one	Unknown — not stated by the source	733 MHz
Performance1 differ
Product typeDiffers	PC	Workstation
Motherboard form factorKnown for one	Unknown — not stated by the source	ATX
Networkidentical
Ethernet LANKnown for one	Yes	Unknown — not stated by the source
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Wi-FiKnown for one	No	Unknown — not stated by the source
Networking featuresKnown for one	Gigabit Ethernet	Unknown — not stated by the source
Ports & interfaces2 differ
USB 2.0 ports quantity	8	8
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityKnown for one	1	Unknown — not stated by the source
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	1	Unknown — not stated by the source
DVI portKnown for one	No	Unknown — not stated by the source
PS/2 ports quantity	2	2
Firewire (IEEE 1394) ports	0	0
Serial ports quantityDiffers	0	1
Parallel ports quantityDiffers	1	0
Power1 differ
Power supplyDiffers	130 W	280 W
Designidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Product colour	Black	Black
Chassis typeKnown for one	Unknown — not stated by the source	Tower
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Display1 differ
Display includedDiffers	Yes	No
Display diagonalKnown for one	55.9 cm (22")	Unknown — not stated by the source
DisplayKnown for one	LCD	Unknown — not stated by the source
Processor special features12 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 Switching	No	No
Intel Dual Display Capable TechnologyDiffers	No	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	No	Yes
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	No	Yes
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)Differs	No	Yes
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	No	Yes
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	36503	43556
Processor codeKnown for one	SLB9Z	Unknown — not stated by the source
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	No	1.0
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
CPU configuration (max)Known for one	Unknown — not stated by the source	1
Graphics & IMC lithographyKnown for one	Unknown — not stated by the source	45 nm
Physical Address Extension (PAE)Known for one	Unknown — not stated by the source	36 bit
Supported instruction setsKnown for one	Unknown — not stated by the source	SSE4.2
Audioidentical
Audio systemKnown for one	Intel HDA	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	277 mm	174.8 mm
DepthDiffers	82 mm	430.8 mm
HeightDiffers	244 mm	425 mm
WeightDiffers	4.18 kg	11.2 kg
Packaging contentidentical
Remote control includedKnown for one	No	Unknown — not stated by the source
Mouse includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
TV tuner integratedKnown for one	No	Unknown — not stated by the source
Intel segment taggingKnown for one	Enterprise, Professional	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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