Product comparison · 2 laptops

Lenovo L520 + ThinkPad Port Replicator Series 3 vs Terra 1528

117specifications compared
47differ
70identical
47known for one product only

Key differences

Display resolution
- L520 + ThinkPad Port Replicator Series 3:1600 x 900 pixels
- Terra 1528:1366 x 768 pixels
Processor family
- L520 + ThinkPad Port Replicator Series 3:Intel® Core™ i5
- Terra 1528:Intel® Celeron®
Processor model
- L520 + ThinkPad Port Replicator Series 3:i5-2450M
- Terra 1528:B815
Processor threads
- L520 + ThinkPad Port Replicator Series 3:4
- Terra 1528:2
Processor frequency
- L520 + ThinkPad Port Replicator Series 3:2.5 GHz
- Terra 1528:1.6 GHz
Processor cache
- L520 + ThinkPad Port Replicator Series 3:3 MB
- Terra 1528:2 MB
Processor cache type
- L520 + ThinkPad Port Replicator Series 3:Smart Cache
- Terra 1528:L3
Stepping
- L520 + ThinkPad Port Replicator Series 3:J1
- Terra 1528:Q0

Side by side

Differences highlightedShow differences only

Comparison of L520 + ThinkPad Port Replicator Series 3, Terra 1528
164 specifications	A Lenovo L520 + ThinkPad Port Replicator Series 3 View product	B TERRA Terra 1528 View product
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Display1 differ
Display diagonal	39.6 cm (15.6")	39.6 cm (15.6")
Display resolutionDiffers	1600 x 900 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
HD typeKnown for one	HD+	Unknown — not stated by the source
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
Processor9 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Core™ i5	Intel® Celeron®
Processor modelDiffers	i5-2450M	B815
Processor cores	2	2
Processor threadsDiffers	4	2
Processor frequencyDiffers	2.5 GHz	1.6 GHz
System bus rate	5 GT/s	5 GT/s
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L3
Processor socketKnown for one	Unknown — not stated by the source	Socket 988
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-2400 Mobile Series	Intel Celeron Processor B800 Series for Mobile
Processor codename	Sandy Bridge	Sandy Bridge
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	J1	Q0
Thermal Design Power (TDP)	35 W	35 W
Tjunction	100 °C	100 °C
Maximum number of PCI Express lanes	16	16
PCI Express configurations	1x16, 2x8, 1x8+2x4	1x16, 2x8, 1x8+2x4
PCI Express slots version	2.0	2.0
CPU multiplier (bus/core ratio)Differs	25	16
ECC supported by processor	No	No
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory layout (slots x size)Known for one	Unknown — not stated by the source	1 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Memory clock speedKnown for one	1333 MHz	Unknown — not stated by the source
Storage3 differ
Total storage capacityDiffers	500 GB	160 GB
Storage media	HDD	HDD
Number of HDDs installed	1	1
HDD capacityDiffers	500 GB	160 GB
HDD interface	SATA	SATA
Optical drive typeDiffers	DVD±RW	DVD Super Multi DL
Card reader integrated	Yes	Yes
HDD speedKnown for one	7200 RPM	Unknown — not stated by the source
Compatible memory cardsKnown for one	MMC, SD, SDHC, SDXC	Unknown — not stated by the source
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics card	No	No
Discrete graphics card model	Not available	Not available
Graphics card family	Intel	Intel
On-board graphics card family	Intel® HD Graphics	Intel® HD Graphics
On-board graphics card modelDiffers	Intel® HD Graphics 3000	Intel® HD Graphics
On-board graphics card base frequency	650 MHz	650 MHz
On-board graphics card dynamic frequency (max)Differs	1300 MHz	1050 MHz
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	1.3 MP
Optical driveidentical
Optical drive interfaceKnown for one	Unknown — not stated by the source	SATA
Network1 differ
Mobile network connectionKnown for one	Unknown — not stated by the source	Yes
Mobile network generationKnown for one	Unknown — not stated by the source	3G
Wi-Fi	Yes	Yes
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Wi-Fi standards	802.11b, 802.11g, Wi-Fi 4 (802.11n)	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Ethernet LAN	Yes	Yes
Bluetooth	Yes	Yes
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Integrated 4G WiMAXDiffers	Yes	No
Ethernet LAN data ratesKnown for one	10,100,1000 Mbit/s	Unknown — not stated by the source
Bluetooth versionKnown for one	3.0+HS	Unknown — not stated by the source
Ports & interfaces6 differ
USB 2.0 ports quantityDiffers	3	2
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	1
eSATA/USB 2.0 ports quantityDiffers	1	0
eSATA/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	Unknown — not stated by the source	0
eSATA ports quantityKnown for one	Unknown — not stated by the source	0
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantityKnown for one	Unknown — not stated by the source	1
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsKnown for one	Unknown — not stated by the source	0
Thunderbolt ports quantityKnown for one	Unknown — not stated by the source	0
Headphone outputs	1	1
S/PDIF out portDiffers	No	Yes
Microphone in	Yes	Yes
Docking connectorDiffers	Yes	No
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
TV-out	No	No
Performanceidentical
Motherboard chipset	Intel® HM65 Express	Intel® HM65 Express
Keyboard1 differ
Numeric keypadDiffers	No	Yes
Pointing deviceKnown for one	ThinkPad UltraNav	Unknown — not stated by the source
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Software2 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureDiffers	64-bit	32-bit
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features15 differ
Intel® Wireless Display (Intel® WiDi)Differs	Yes	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	32 nm	32 nm
Idle States	Yes	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
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)Differs	Yes	No
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)Differs	Yes	No
Intel® Anti-Theft Technology (Intel® AT)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® Hyper Threading Technology (Intel® HT Technology)Differs	Yes	No
Intel® InTru™ 3D TechnologyDiffers	Yes	No
Intel® Insider™Differs	Yes	No
Intel® My WiFi Technology (Intel® MWT)Differs	Yes	No
Intel® Quick Sync Video TechnologyDiffers	Yes	No
Intel® Turbo Boost TechnologyDiffers	2.0	No
Processor ARK IDDiffers	53452	63919
Processor codeDiffers	SR04Z	SR0HZ
Processor package sizeDiffers	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	37.5x37.5 (rPGA988B)
Supported instruction setsDiffers	AVX	SSE4.1, SSE4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Battery1 differ
Battery technology	Lithium-Ion (Li-Ion)	Lithium-Ion (Li-Ion)
Number of battery cells	6	6
Battery capacityKnown for one	Unknown — not stated by the source	4400 mAh
Battery life (max)Differs	6.6 h	3 h
Poweridentical
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
AC adapter frequencyKnown for one	Unknown — not stated by the source	50 - 60 Hz
DC-in jack	Yes	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Weight & dimensions5 differ
WeightDiffers	2.61 kg	2.4 kg
WidthDiffers	380 mm	374 mm
DepthDiffers	247 mm	250 mm
Height (front)Differs	3.2 cm	1.4 cm
Height (rear)Differs	3.6 cm	3.4 cm
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Infrared data port	No	No
Power requirementsKnown for one	Unknown — not stated by the source	110 - 220V
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Audioidentical
Audio systemKnown for one	High Definition Audio	Unknown — not stated by the source
Number of built-in speakersKnown for one	2	Unknown — not stated by the source
Speaker powerKnown for one	1.5 W	Unknown — not stated by the source
Built-in microphoneKnown for one	Yes	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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