Product comparison · 2 laptops

Lenovo L512 + ThinkPad Mini Dock Series 3 vs Lenovo ThinkPad R50e Intel Pentium Mobile 745

93specifications compared
57differ
36identical
51known for one product only

Key differences

Display diagonal
- L512 + ThinkPad Mini Dock Series 3:39.6 cm (15.6")
- ThinkPad R50e Intel Pentium Mobile 745:38.1 cm (15")
Display resolution
- L512 + ThinkPad Mini Dock Series 3:1366 x 768 pixels
- ThinkPad R50e Intel Pentium Mobile 745:1024 x 768 pixels
Native aspect ratio
- L512 + ThinkPad Mini Dock Series 3:16:9
- ThinkPad R50e Intel Pentium Mobile 745:4:3
Processor family
- L512 + ThinkPad Mini Dock Series 3:Intel® Core™ i5
- ThinkPad R50e Intel Pentium Mobile 745:Intel Pentium Mobile
Processor model
- L512 + ThinkPad Mini Dock Series 3:i5-460M
- ThinkPad R50e Intel Pentium Mobile 745:745
Processor cores
- L512 + ThinkPad Mini Dock Series 3:2
- ThinkPad R50e Intel Pentium Mobile 745:1
Processor threads
- L512 + ThinkPad Mini Dock Series 3:4
- ThinkPad R50e Intel Pentium Mobile 745:1
Processor frequency
- L512 + ThinkPad Mini Dock Series 3:2.53 GHz
- ThinkPad R50e Intel Pentium Mobile 745:1.8 GHz

Side by side

Differences highlightedShow differences only

Comparison of L512 + ThinkPad Mini Dock Series 3, R50e
144 specifications	A Lenovo L512 + ThinkPad Mini Dock Series 3 View product	B Lenovo ThinkPad R50e Intel Pentium Mobile 745 Model R50e View product
Display3 differ
Display diagonalDiffers	39.6 cm (15.6")	38.1 cm (15")
Display resolutionDiffers	1366 x 768 pixels	1024 x 768 pixels
LED backlightKnown for one	Yes	Unknown — not stated by the source
Native aspect ratioDiffers	16:9	4:3
Display brightnessKnown for one	220 cd/m²	Unknown — not stated by the source
Contrast ratio (typical)Known for one	500:1	Unknown — not stated by the source
Processor18 differ
Processor familyDiffers	Intel® Core™ i5	Intel Pentium Mobile
Processor generationKnown for one	4th gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-460M	745
Processor coresDiffers	2	1
Processor threadsDiffers	4	1
Processor boost frequencyKnown for one	2.8 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.53 GHz	1.8 GHz
System bus rateKnown for one	2.5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor socketDiffers	BGA 1288	Socket 479
Processor lithographyDiffers	32 nm	90 nm
Processor operating modesDiffers	64-bit	32-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Pentium M 700 Series
Processor codenameDiffers	Arrandale	Dothan
Bus typeDiffers	DMI	FSB
SteppingKnown for one	K0	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	35 W	21 W
TjunctionDiffers	105 °C	100 °C
Maximum number of PCI Express lanesKnown for one	16	Unknown — not stated by the source
PCI Express configurationsKnown for one	1x16	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	382 M	144 M
Processing Die sizeDiffers	81 mm²	87 mm²
CPU multiplier (bus/core ratio)Differs	19	18
Processor front side busKnown for one	Unknown — not stated by the source	400 MHz
Memory2 differ
Internal memoryDiffers	2 GB	0.5 GB
Internal memory typeDiffers	DDR3-SDRAM	DDR-SDRAM
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memoryKnown for one	8 GB	Unknown — not stated by the source
Storage2 differ
Total storage capacityDiffers	320 GB	60 GB
HDD interfaceKnown for one	SATA	Unknown — not stated by the source
HDD speedKnown for one	5400 RPM	Unknown — not stated by the source
Card reader integratedDiffers	Yes	No
Compatible memory cardsKnown for one	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	Unknown — not stated by the source
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
Graphicsidentical
On-board graphics cardKnown for one	Yes	Unknown — not stated by the source
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
On-board graphics card base frequencyKnown for one	500 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	766 MHz	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	High Definition Audio	SoundMAX
Network1 differ
Networking featuresDiffers	Gigabit Ethernet	Fast Ethernet
Wireless technologyKnown for one	Unknown — not stated by the source	Wi-Fi
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	4	2
eSATA ports quantityDiffers	1	0
DisplayPorts quantityDiffers	1	0
Docking connectorDiffers	Yes	No
ExpressCard slotKnown for one	Yes	Unknown — not stated by the source
SmartCard slotDiffers	Yes	No
TV-in portKnown for one	No	Unknown — not stated by the source
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
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® QM57 Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows XP Home Edition
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special features18 differ
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableDiffers	No	Yes
Graphics & IMC lithographyKnown for one	45 nm	Unknown — not stated by the source
Idle StatesDiffers	Yes	No
Intel 64Differs	Yes	No
Intel Clear Video TechnologyDiffers	Yes	No
Intel Dual Display Capable TechnologyDiffers	Yes	No
Intel Enhanced Halt StateDiffers	Yes	No
Intel FDI TechnologyDiffers	Yes	No
Intel Fast Memory AccessDiffers	Yes	No
Intel Flex Memory AccessDiffers	Yes	No
Intel VT-x with Extended Page Tables (EPT)Differs	Yes	No
Intel Virtualization Technology (VT-x)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)Differs	Yes	No
Intel® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyDiffers	1.0	No
Physical Address Extension (PAE)Known for one	Yes	Unknown — not stated by the source
Processor ARK IDDiffers	50179	27591
Processor codeKnown for one	SLC22	Unknown — not stated by the source
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	35 x 35 mm
Supported instruction setsKnown for one	SSE4.1, SSE4.2	Unknown — not stated by the source
Thermal Monitoring TechnologiesDiffers	Yes	No
Battery1 differ
Battery life (max)Differs	4.7 h	4 h
Security1 differ
Cable lock slotDiffers	Yes	No
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions3 differ
WeightDiffers	2.56 kg	2.8 kg
WidthDiffers	380 mm	332 mm
DepthDiffers	247 mm	269 mm
Height (front)Known for one	3.2 cm	Unknown — not stated by the source
Height (rear)Known for one	3.6 cm	Unknown — not stated by the source
HeightKnown for one	Unknown — not stated by the source	38 mm
Other featuresidentical
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Internal modemKnown for one	Unknown — not stated by the source	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Modem typeKnown for one	Unknown — not stated by the source	V.92
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes

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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