Product comparison · 2 laptops

Lenovo Edge 520 vs Lenovo Edge E525 + 04W7485

57specifications compared
21differ
36identical
93known for one product only

Key differences

Processor manufacturer
- Edge 520:Intel
- Edge E525 + 04W7485:AMD
Processor family
- Edge 520:Intel® Core™ i5
- Edge E525 + 04W7485:AMD A4
Processor model
- Edge 520:i5-2450M
- Edge E525 + 04W7485:A4-3300M
Processor cache
- Edge 520:3 MB
- Edge E525 + 04W7485:2 MB
Processor cache type
- Edge 520:Smart Cache
- Edge E525 + 04W7485:L2
Optical drive type
- Edge 520:DVD-RW
- Edge E525 + 04W7485:DVD±RW
Graphics card family
- Edge 520:Intel
- Edge E525 + 04W7485:AMD
On-board graphics card family
- Edge 520:Intel® HD Graphics
- Edge E525 + 04W7485:AMD Radeon HD 6000

Side by side

Differences highlightedShow differences only

Comparison of Edge 520, Edge E525 + 04W7485
150 specifications	A Lenovo Edge 520 View product	B Lenovo Edge E525 + 04W7485 View product
Displayidentical
Display brightnessKnown for one	Unknown — not stated by the source	220 cd/m²
Contrast ratio (typical)Known for one	Unknown — not stated by the source	500:1
Processor5 differ
Processor manufacturerDiffers	Intel	AMD
Processor familyDiffers	Intel® Core™ i5	AMD A4
Processor generationKnown for one	2nd gen Intel® Core™ i5	Unknown — not stated by the source
Processor modelDiffers	i5-2450M	A4-3300M
Processor coresKnown for one	2	Unknown — not stated by the source
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	3.1 GHz	Unknown — not stated by the source
Processor frequencyKnown for one	2.5 GHz	Unknown — not stated by the source
System bus rateKnown for one	5 GT/s	Unknown — not stated by the source
Processor cacheDiffers	3 MB	2 MB
Processor cache typeDiffers	Smart Cache	L2
Processor lithographyKnown for one	32 nm	Unknown — not stated by the source
Processor operating modesKnown for one	64-bit	Unknown — not stated by the source
Processor seriesKnown for one	Intel Core i5-2400 Mobile Series	Unknown — not stated by the source
Processor codenameKnown for one	Sandy Bridge	Unknown — not stated by the source
Bus typeKnown for one	DMI	Unknown — not stated by the source
FSB ParityKnown for one	No	Unknown — not stated by the source
SteppingKnown for one	J1	Unknown — not stated by the source
Thermal Design Power (TDP)Known for one	35 W	Unknown — not stated by the source
TjunctionKnown for one	100 °C	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, 1x8+2x4	Unknown — not stated by the source
PCI Express slots versionKnown for one	2.0	Unknown — not stated by the source
CPU multiplier (bus/core ratio)Known for one	25	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memoryidentical
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Storage2 differ
Optical drive typeDiffers	DVD-RW	DVD±RW
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, SDHC, xD	MMC, SD, SDHC, SDXC
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
Graphics3 differ
Graphics card familyDiffers	Intel	AMD
On-board graphics card familyDiffers	Intel® HD Graphics	AMD Radeon HD 6000
On-board graphics card modelDiffers	Intel® HD Graphics 3000	AMD Radeon HD 6480G
On-board graphics card base frequencyKnown for one	650 MHz	Unknown — not stated by the source
On-board graphics card dynamic frequency (max)Known for one	1300 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Audio1 differ
Audio systemDiffers	HD	High Definition Audio
Speaker powerKnown for one	Unknown — not stated by the source	1 W
Cameraidentical
Front camera resolutionKnown for one	1280 x 720 pixels	Unknown — not stated by the source
Network1 differ
BluetoothDiffers	No	Yes
Integrated 4G WiMAXKnown for one	Yes	Unknown — not stated by the source
Wi-Fi standardsKnown for one	Unknown — not stated by the source	802.11b, 802.11g, Wi-Fi 4 (802.11n)
Bluetooth versionKnown for one	Unknown — not stated by the source	3.0+HS
Cabling technologyKnown for one	Unknown — not stated by the source	10/100/1000Base-T(X)
Ports & interfaces2 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/USB 3.2 Gen 1 (3.1 Gen 1) ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
DisplayPorts quantityKnown for one	0	Unknown — not stated by the source
Firewire (IEEE 1394) portsKnown for one	0	Unknown — not stated by the source
Thunderbolt ports quantityKnown for one	0	Unknown — not stated by the source
Combo headphone/mic portKnown for one	Yes	Unknown — not stated by the source
SmartCard slotDiffers	No	Yes
Ethernet LAN (RJ-45) portsKnown for one	Unknown — not stated by the source	1
Docking connectorKnown for one	Unknown — not stated by the source	No
TV-outKnown for one	Unknown — not stated by the source	No
Performance1 differ
Motherboard chipsetDiffers	Intel QM65	AMD A60M
Keyboardidentical
Full-size keyboardKnown for one	Yes	Unknown — not stated by the source
Pointing deviceKnown for one	Unknown — not stated by the source	ThinkPad UltraNav
Keyboard layoutKnown for one	Unknown — not stated by the source	QWERTY
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureKnown for one	Unknown — not stated by the source	64-bit
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Yes	Unknown — not stated by the source
CPU configuration (max)Known for one	1	Unknown — not stated by the source
Embedded options availableKnown for one	No	Unknown — not stated by the source
Enhanced Intel SpeedStep TechnologyKnown for one	Yes	Unknown — not stated by the source
Execute Disable BitKnown for one	Yes	Unknown — not stated by the source
Graphics & IMC lithographyKnown for one	32 nm	Unknown — not stated by the source
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Intel 64Known for one	Yes	Unknown — not stated by the source
Intel Clear Video TechnologyKnown for one	No	Unknown — not stated by the source
Intel Demand Based SwitchingKnown for one	No	Unknown — not stated by the source
Intel Dual Display Capable TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Enhanced Halt StateKnown for one	Yes	Unknown — not stated by the source
Intel FDI TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel Fast Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Flex Memory AccessKnown for one	Yes	Unknown — not stated by the source
Intel Identity Protection Technology versionKnown for one	1.00	Unknown — not stated by the source
Intel Rapid Storage TechnologyKnown for one	No	Unknown — not stated by the source
Intel Trusted Execution TechnologyKnown for one	No	Unknown — not stated by the source
Intel VT-x with Extended Page Tables (EPT)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology (VT-x)Known for one	Yes	Unknown — not stated by the source
Intel Virtualization Technology for Directed I/O (VT-d)Known for one	No	Unknown — not stated by the source
Intel® AES New Instructions (Intel® AES-NI)Known for one	Yes	Unknown — not stated by the source
Intel® Anti-Theft Technology (Intel® AT)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video HD Technology (Intel® CVT HD)Known for one	Yes	Unknown — not stated by the source
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)Known for one	No	Unknown — not stated by the source
Intel® Hyper Threading Technology (Intel® HT Technology)Known for one	Yes	Unknown — not stated by the source
Intel® Identity Protection Technology (Intel® IPT)Known for one	Yes	Unknown — not stated by the source
Intel® InTru™ 3D TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Insider™Known for one	Yes	Unknown — not stated by the source
Intel® My WiFi Technology (Intel® MWT)Known for one	Yes	Unknown — not stated by the source
Intel® Quick Sync Video TechnologyKnown for one	Yes	Unknown — not stated by the source
Intel® Smart CacheKnown for one	Yes	Unknown — not stated by the source
Intel® Turbo Boost TechnologyKnown for one	2.0	Unknown — not stated by the source
Processor ARK IDKnown for one	53452	Unknown — not stated by the source
Processor codeKnown for one	SR04Z	Unknown — not stated by the source
Processor package sizeKnown for one	37.5x37.5 (rPGA988B); 31 x 24 (BGA1023)	Unknown — not stated by the source
Supported instruction setsKnown for one	AVX	Unknown — not stated by the source
Thermal Monitoring TechnologiesKnown for one	Yes	Unknown — not stated by the source
Conflict-Free processorKnown for one	No	Unknown — not stated by the source
Securityidentical
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions5 differ
WeightDiffers	2.36 kg	2.58 kg
WidthDiffers	375 mm	380 mm
DepthDiffers	245 mm	248.5 mm
Height (front)Differs	2.8 cm	3.06 cm
Height (rear)Differs	3.3 cm	3.83 cm
Packaging contentidentical
AC adapter includedKnown for one	Yes	Unknown — not stated by the source
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Black
Batteryidentical
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Battery life (max)Known for one	Unknown — not stated by the source	3.75 h

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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