Product comparison · 2 laptops

Lenovo T420 + 73Y2650 vs Lenovo IdeaPad Z575 AMD A4 A4-3300M

67specifications compared
34differ
33identical
117known for one product only

Key differences

Display diagonal
- T420 + 73Y2650:35.6 cm (14")
- IdeaPad Z575 AMD A4 A4-3300M:39.6 cm (15.6")
Contrast ratio (typical)
- T420 + 73Y2650:300:1
- IdeaPad Z575 AMD A4 A4-3300M:500:1
Processor manufacturer
- T420 + 73Y2650:Intel
- IdeaPad Z575 AMD A4 A4-3300M:AMD
Processor family
- T420 + 73Y2650:Intel® Core™ i5
- IdeaPad Z575 AMD A4 A4-3300M:AMD A4
Processor model
- T420 + 73Y2650:i5-2410M
- IdeaPad Z575 AMD A4 A4-3300M:A4-3300M
Processor frequency
- T420 + 73Y2650:2.3 GHz
- IdeaPad Z575 AMD A4 A4-3300M:1.9 GHz
Processor cache
- T420 + 73Y2650:3 MB
- IdeaPad Z575 AMD A4 A4-3300M:2 MB
Processor cache type
- T420 + 73Y2650:Smart Cache
- IdeaPad Z575 AMD A4 A4-3300M:L2

Side by side

Differences highlightedShow differences only

Comparison of T420 + 73Y2650, Z575
184 specifications	A Lenovo T420 + 73Y2650 View product	B Lenovo IdeaPad Z575 AMD A4 A4-3300M Model Z575 View product
Display2 differ
Display diagonalDiffers	35.6 cm (14")	39.6 cm (15.6")
Display resolution	1366 x 768 pixels	1366 x 768 pixels
LED backlight	Yes	Yes
Native aspect ratio	16:9	16:9
Display brightness	200 cd/m²	200 cd/m²
Contrast ratio (typical)Differs	300:1	500:1
TouchscreenKnown for one	Unknown — not stated by the source	No
HD typeKnown for one	Unknown — not stated by the source	HD
Processor7 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	i5-2410M	A4-3300M
Processor cores	2	2
Processor threadsKnown for one	4	Unknown — not stated by the source
Processor boost frequencyKnown for one	2.9 GHz	Unknown — not stated by the source
Processor frequencyDiffers	2.3 GHz	1.9 GHz
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 socketDiffers	BGA 1023	Socket FS1 uPGA
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	1x8, 1x16, 2x4, 2x8	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	23	Unknown — not stated by the source
ECC supported by processorKnown for one	No	Unknown — not stated by the source
Memoryidentical
Internal memory	4 GB	4 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1333 MHz	1333 MHz
Memory layout (slots x size)	2 x 2 GB	2 x 2 GB
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Memory slots (available)Known for one	Unknown — not stated by the source	0
Storage4 differ
Total storage capacityDiffers	320 GB	500 GB
HDD interface	SATA	SATA
HDD speedDiffers	7200 RPM	5400 RPM
Optical drive typeDiffers	DVD-RW	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	MMC, SD, SDHC, SDXC	Memory Stick (MS), MMC, MS PRO, SD, xD
Storage mediaKnown for one	Unknown — not stated by the source	HDD
Number of HDDs installedKnown for one	Unknown — not stated by the source	1
HDD capacityKnown for one	Unknown — not stated by the source	500 GB
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Graphics5 differ
On-board graphics card	Yes	Yes
Discrete graphics cardDiffers	Yes	No
Discrete graphics card modelDiffers	Intel® HD Graphics 3000	Not available
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	1200 MHz	Unknown — not stated by the source
On-board graphics card IDKnown for one	0x116	Unknown — not stated by the source
Audio2 differ
Audio systemDiffers	High Definition Audio	SRS Premium Sound
Number of built-in speakers	2	2
Speaker powerDiffers	1 W	2 W
Built-in speaker(s)Known for one	Unknown — not stated by the source	Yes
Built-in microphoneKnown for one	Unknown — not stated by the source	Yes
Network2 differ
Wi-Fi	Yes	Yes
Networking featuresDiffers	Gigabit Ethernet	Fast Ethernet
Ethernet LAN	Yes	Yes
BluetoothDiffers	Yes	No
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)
Wi-Fi data rate (max)Known for one	Unknown — not stated by the source	150 Mbit/s
Ethernet LAN data ratesKnown for one	Unknown — not stated by the source	10,100 Mbit/s
Cabling technologyKnown for one	Unknown — not stated by the source	10/100Base-T(X)
Network connection typeKnown for one	Unknown — not stated by the source	RJ-45
Ports & interfaces3 differ
USB 2.0 ports quantity	3	3
eSATA/USB 2.0 ports quantity	1	1
Ethernet LAN (RJ-45) ports	1	1
DisplayPorts quantityDiffers	1	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorKnown for one	Yes	Unknown — not stated by the source
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slotDiffers	Yes	No
Modem (RJ-11) portsKnown for one	1	Unknown — not stated by the source
TV-out	No	No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	Unknown — not stated by the source	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
HDMI ports quantityKnown for one	Unknown — not stated by the source	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 connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Microphone connectivityKnown for one	Unknown — not stated by the source	3.5 mm
Performance1 differ
Motherboard chipsetDiffers	Intel® QM67 Express	AMD A70M
Keyboard1 differ
Pointing deviceDiffers	ThinkPad UltraNav	Touchpad
Numeric keypadKnown for one	Unknown — not stated by the source	Yes
Full-size keyboardKnown for one	Unknown — not stated by the source	Yes
Windows keysKnown for one	Unknown — not stated by the source	Yes
Software1 differ
Operating system installedDiffers	Windows 7 Professional	Windows 7 Home Premium
Operating system architectureKnown for one	64-bit	Unknown — not stated by the source
Processor special featuresidentical
Intel® Wireless Display (Intel® WiDi)Known for one	Yes	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	No	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	No	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	52224	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
Battery1 differ
Number of battery cells	6	6
Battery life (max)Differs	9 h	5 h
Battery technologyKnown for one	Unknown — not stated by the source	Lithium-Ion (Li-Ion)
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	65 W
Power auto-sensingKnown for one	Unknown — not stated by the source	Yes
Securityidentical
Cable lock slot	Yes	Yes
Cable lock slot typeKnown for one	IBM	Unknown — not stated by the source
Fingerprint readerKnown for one	Yes	Unknown — not stated by the source
Password protection typeKnown for one	Unknown — not stated by the source	HDD, Supervisor
Weight & dimensions5 differ
WeightDiffers	2.17 kg	2.6 kg
WidthDiffers	340.5 mm	376 mm
DepthDiffers	233 mm	250 mm
Height (front)Differs	3.01 cm	2 cm
Height (rear)Differs	3.05 cm	3.55 cm
Width (imperial)Known for one	Unknown — not stated by the source	37.6 cm (14.8")
Depth (imperial)Known for one	Unknown — not stated by the source	24.9 cm (9.8")
Height (front) (imperial)Known for one	Unknown — not stated by the source	2.03 cm (0.8")
Height (rear) (imperial)Known for one	Unknown — not stated by the source	3.56 cm (1.4")
Other featuresidentical
Infrared data port	No	No
Internal modemKnown for one	Yes	Unknown — not stated by the source
Modem speedKnown for one	56 Kbit/s	Unknown — not stated by the source
Intel segment taggingKnown for one	Home office, Small Business	Unknown — not stated by the source
Supplied AC adapter type	AC	AC
Compliance industry standardsKnown for one	Unknown — not stated by the source	IEEE 802.3, IEEE 802.3u
Power supply typeKnown for one	Unknown — not stated by the source	AC/DC
Volume controlKnown for one	Unknown — not stated by the source	Digital
Wake-on-LAN readyKnown for one	Unknown — not stated by the source	Yes
Designidentical
Product colourKnown for one	Unknown — not stated by the source	Grey
Form factorKnown for one	Unknown — not stated by the source	Clamshell
Cameraidentical
Front camera resolution (numeric)Known for one	Unknown — not stated by the source	0.3 MP
Swivel webcamKnown for one	Unknown — not stated by the source	No
Optical driveidentical
LightScribeKnown for one	Unknown — not stated by the source	No
LabelflashKnown for one	Unknown — not stated by the source	No
Certificatesidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS
Sustainabilityidentical
Sustainability certificatesKnown for one	Unknown — not stated by the source	EPEAT Gold, ENERGY STAR
Videoidentical
HD-ReadyKnown for one	Unknown — not stated by the source	Yes
Packaging contentidentical
AC adapter includedKnown for one	Unknown — not stated by the source	Yes
Cables includedKnown for one	Unknown — not stated by the source	AC
ManualKnown for one	Unknown — not stated by the source	Yes
Quick start guideKnown 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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