Product comparison · 2 laptops

Lenovo ThinkPad L512 + 45N6681 vs Lenovo ThinkPad L512 + 45N6683

120specifications compared
17differ
103identical
17known for one product only

Key differences

Processor generation
- ThinkPad L512 + 45N6681:3rd gen Intel® Core™ i3
- ThinkPad L512 + 45N6683:Intel® Core™ i3
Processor model
- ThinkPad L512 + 45N6681:i3-330M
- ThinkPad L512 + 45N6683:i3-370M
Processor frequency
- ThinkPad L512 + 45N6681:2.13 GHz
- ThinkPad L512 + 45N6683:2.4 GHz
Processor socket
- ThinkPad L512 + 45N6681:BGA 1288
- ThinkPad L512 + 45N6683:Socket 988
Stepping
- ThinkPad L512 + 45N6681:C2
- ThinkPad L512 + 45N6683:K0
Tjunction
- ThinkPad L512 + 45N6681:105 °C
- ThinkPad L512 + 45N6683:90 °C
CPU multiplier (bus/core ratio)
- ThinkPad L512 + 45N6681:16
- ThinkPad L512 + 45N6683:18
Total storage capacity
- ThinkPad L512 + 45N6681:250 GB
- ThinkPad L512 + 45N6683:320 GB

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad L512 + 45N6681, ThinkPad L512 + 45N6683
137 specifications	A Lenovo ThinkPad L512 + 45N6681 View product	B Lenovo ThinkPad L512 + 45N6683 View product
Designidentical
Product colour	Black	Black
Displayidentical
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
Native aspect ratio	16:9	16:9
Dual-screenKnown for one	No	Unknown — not stated by the source
LED backlightKnown for one	Unknown — not stated by the source	Yes
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Processor7 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i3	Intel® Core™ i3
Processor generationDiffers	3rd gen Intel® Core™ i3	Intel® Core™ i3
Processor modelDiffers	i3-330M	i3-370M
Processor cores	2	2
Processor threads	4	4
Processor frequencyDiffers	2.13 GHz	2.4 GHz
System bus rate	2.5 GT/s	2.5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
Processor socketDiffers	BGA 1288	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor series	Intel Core i3-300 Mobile Series	Intel Core i3-300 Mobile Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	C2	K0
Thermal Design Power (TDP)	35 W	35 W
TjunctionDiffers	105 °C	90 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16	1x16
PCI Express slots version	2.0	2.0
Number of Processing Die Transistors	382 M	382 M
Processing Die size	81 mm²	81 mm²
CPU multiplier (bus/core ratio)Differs	16	18
ECC supported by processor	No	No
Memoryidentical
Internal memory	2 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Maximum internal memory	8 GB	8 GB
Memory clock speedKnown for one	Unknown — not stated by the source	1333 MHz
Storage2 differ
Total storage capacityDiffers	250 GB	320 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, SDHC	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD
Graphicsidentical
On-board graphics card	Yes	Yes
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card model	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card base frequency	500 MHz	500 MHz
On-board graphics card dynamic frequency (max)	667 MHz	667 MHz
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Bluetooth	Yes	Yes
Ports & interfaces3 differ
USB 2.0 ports quantityDiffers	4	3
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantity	1	1
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	Yes	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	No	Yes
Modem (RJ-11) portsKnown for one	0	Unknown — not stated by the source
TV-in port	No	No
TV-out	No	No
PS/2 ports quantityKnown for one	0	Unknown — not stated by the source
Parallel ports quantityKnown for one	0	Unknown — not stated by the source
Serial ports quantityKnown for one	0	Unknown — not stated by the source
Performanceidentical
Motherboard chipset	Intel® HM55 Express	Intel® HM55 Express
Softwareidentical
Operating system installed	Windows 7 Professional	Windows 7 Professional
Processor special features2 differ
Intel® Wireless Display (Intel® WiDi)	No	No
CPU configuration (max)	1	1
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	Yes
Graphics & IMC lithography	45 nm	45 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	Yes	Yes
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	Yes	Yes
Intel Enhanced Halt State	Yes	Yes
Intel FDI Technology	Yes	Yes
Intel Fast Memory Access	Yes	Yes
Intel Flex Memory Access	Yes	Yes
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	Yes	Yes
Intel Virtualization Technology (VT-x)	Yes	Yes
Intel Virtualization Technology for Directed I/O (VT-d)	No	No
Intel® AES New Instructions (Intel® AES-NI)	No	No
Intel® Anti-Theft Technology (Intel® AT)	No	No
Intel® Clear Video HD Technology (Intel® CVT HD)	Yes	Yes
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	Yes	Yes
Intel® Hyper Threading Technology (Intel® HT Technology)	Yes	Yes
Intel® InTru™ 3D Technology	No	No
Intel® Insider™	No	No
Intel® My WiFi Technology (Intel® MWT)	No	No
Intel® Quick Sync Video Technology	No	No
Intel® Smart Cache	Yes	Yes
Intel® Turbo Boost Technology	No	No
Physical Address Extension (PAE)	Yes	Yes
Processor ARK IDDiffers	47663	49020
Processor codeDiffers	SLBNF	SLBUK
Processor package size	rPGA 37.5x 37.5, BGA 34x28	rPGA 37.5x 37.5, BGA 34x28
Supported instruction sets	SSE4.1, SSE4.2	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Battery life (max)Known for one	Unknown — not stated by the source	4.7 h
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Fingerprint reader	Yes	Yes
HDD user passwordKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions2 differ
WeightDiffers	2.61 kg	2.56 kg
WidthDiffers	381 mm	380 mm
Depth	247 mm	247 mm
Height (front)	3.2 cm	3.2 cm
Height (rear)	3.6 cm	3.6 cm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Other featuresidentical
Infrared data port	No	No
Internal modem	No	No
TV tuner integrated	No	No
Intel segment tagging	Home office, Small Business	Home office, Small Business
Supplied AC adapter type	AC	AC
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav

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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