Product comparison · 2 pcs/workstations

Lenovo E20 + ThinkVision L2440p vs Lenovo ThinkCentre A58 + T48HNEU

81specifications compared
43differ
38identical
54known for one product only

Key differences

Processor family
- E20 + ThinkVision L2440p:Intel® Core™ i5
- ThinkCentre A58 + T48HNEU:Intel® Pentium®
Processor model
- E20 + ThinkVision L2440p:i5-650
- ThinkCentre A58 + T48HNEU:E5400
Processor threads
- E20 + ThinkVision L2440p:4
- ThinkCentre A58 + T48HNEU:2
Processor frequency
- E20 + ThinkVision L2440p:3.2 GHz
- ThinkCentre A58 + T48HNEU:2.7 GHz
Processor cache
- E20 + ThinkVision L2440p:4 MB
- ThinkCentre A58 + T48HNEU:2 MB
Processor cache type
- E20 + ThinkVision L2440p:Smart Cache
- ThinkCentre A58 + T48HNEU:L2
Bus type
- E20 + ThinkVision L2440p:DMI
- ThinkCentre A58 + T48HNEU:FSB
Processor lithography
- E20 + ThinkVision L2440p:32 nm
- ThinkCentre A58 + T48HNEU:45 nm

Side by side

Differences highlightedShow differences only

Comparison of E20 + ThinkVision L2440p, ThinkCentre A58 + T48HNEU
135 specifications	A Lenovo E20 + ThinkVision L2440p View product	B Lenovo ThinkCentre A58 + T48HNEU View product
Processor17 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Pentium®
Processor modelDiffers	i5-650	E5400
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	3.2 GHz	2.7 GHz
Processor cacheDiffers	4 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Bus typeDiffers	DMI	FSB
FSB Parity	No	No
Processor lithographyDiffers	32 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-600 Desktop Series	Intel Pentium E5000 Series for Desktop
Processor codenameDiffers	Clarkdale	Wolfdale
Thermal Design Power (TDP)Differs	73 W	45, 65
TcaseDiffers	72.6 °C	74.1 °C
Number of processors installed	1	1
Processor socketDiffers	LGA 1156 (Socket H)	LGA 775 (Socket T)
Number of Processing Die TransistorsDiffers	382 M	228 M
Processing Die sizeDiffers	81 mm²	82 mm²
CPU multiplier (bus/core ratio)Differs	24	13.5
SteppingDiffers	C2	R0
ECC supported by processor	No	No
Processor generationKnown for one	Intel® Core™ i5	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.46 GHz	Unknown — not stated by the source
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16, 2x8	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Maximum internal memory supported by processorKnown for one	16 GB	Unknown — not stated by the source
Memory types supported by processorKnown for one	DDR3 1066/1333	Unknown — not stated by the source
Memory bandwidth supported by processor (max)Known for one	21 GB/s	Unknown — not stated by the source
Memory2 differ
Internal memory	2 GB	2 GB
Maximum internal memoryDiffers	16 GB	4 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
ECCKnown for one	Yes	Unknown — not stated by the source
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Storage2 differ
Total storage capacityKnown for one	Unknown — not stated by the source	320 GB
Optical drive typeDiffers	DVD-RW	DVD-ROM
HDD interface	SATA	SATA
Card reader integratedDiffers	Yes	No
Floppy drive installedKnown for one	Unknown — not stated by the source	No
Number of HDDs installedKnown for one	1	Unknown — not stated by the source
HDD capacityKnown for one	500 GB	Unknown — not stated by the source
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Graphicsidentical
On-board graphics card	Yes	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel® GMA 4500M
Graphics card familyKnown for one	Unknown — not stated by the source	Intel
On-board graphics card familyKnown for one	Intel® HD Graphics	Unknown — not stated by the source
On-board graphics card modelKnown for one	Intel® HD Graphics	Unknown — not stated by the source
Number of displays supported (on-board graphics)Known for one	2	Unknown — not stated by the source
On-board graphics card base frequencyKnown for one	733 MHz	Unknown — not stated by the source
Performance1 differ
Product typeDiffers	Workstation	PC
Password protection typeKnown for one	Unknown — not stated by the source	BIOS
Motherboard chipsetKnown for one	Intel® 3450	Unknown — not stated by the source
Network1 differ
Ethernet LANKnown for one	Unknown — not stated by the source	Yes
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100,1000 Mbit/s
Wi-FiKnown for one	Unknown — not stated by the source	No
Networking featuresDiffers	Gigabit Ethernet (10/100/1000)	Gigabit Ethernet
Ports & interfaces1 differ
USB 2.0 ports quantityDiffers	8	6
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
Headphone outputs	1	1
Microphone in	Yes	Yes
VGA (D-Sub) ports quantityKnown for one	Unknown — not stated by the source	1
DVI portKnown for one	Unknown — not stated by the source	No
PS/2 ports quantity	2	2
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Serial ports quantity	1	1
Parallel ports quantityKnown for one	Unknown — not stated by the source	1
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	1
Poweridentical
Power supply	280 W	280 W
Design1 differ
Chassis typeDiffers	Tower	SFF
Product colourKnown for one	Unknown — not stated by the source	Black
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
Display1 differ
Display included	Yes	Yes
Display diagonalDiffers	61 cm (24")	48.3 cm (19")
Display resolutionKnown for one	Unknown — not stated by the source	1280 x 1024 pixels
Contrast ratio (typical)Known for one	Unknown — not stated by the source	800:1
TouchscreenKnown for one	Unknown — not stated by the source	No
Display brightnessKnown for one	Unknown — not stated by the source	250 cd/m²
Viewing angle, horizontalKnown for one	Unknown — not stated by the source	160°
Viewing angle, verticalKnown for one	Unknown — not stated by the source	160°
DisplayKnown for one	Unknown — not stated by the source	LCD
ResolutionKnown for one	1920 x 1200 pixels	Unknown — not stated by the source
Processor special features12 differ
CPU configuration (max)	1	1
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	Yes	No
Intel Enhanced Halt State	Yes	Yes
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution TechnologyDiffers	Yes	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)Differs	Yes	No
Intel® Clear Video HD Technology (Intel® CVT HD)Differs	Yes	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	43546	40478
Processor codeKnown for one	Unknown — not stated by the source	SLGH7
Processor package size	37.5 x 37.5 mm	37.5 x 37.5 mm
Thermal Monitoring TechnologiesDiffers	No	Yes
Intel® Turbo Boost TechnologyDiffers	1.0	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	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
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Physical Address Extension (PAE)Known for one	36 bit	Unknown — not stated by the source
Supported instruction setsKnown for one	SSE4.2	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	Realtek ALC662
Weight & dimensions4 differ
WidthDiffers	175 mm	317 mm
DepthDiffers	430.8 mm	355 mm
HeightDiffers	425.2 mm	99 mm
WeightDiffers	11.2 kg	7.5 kg
Packaging contentidentical
Remote control includedKnown for one	Unknown — not stated by the source	No
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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