Product comparison · 2 laptops

Acer Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M vs Lenovo X201t Intel® Core™ i5 i5-520UM

120specifications compared
36differ
84identical
27known for one product only

Key differences

Display diagonal
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:43.9 cm (17.3")
- X201t Intel® Core™ i5 i5-520UM:30.7 cm (12.1")
Display resolution
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:1600 x 900 pixels
- X201t Intel® Core™ i5 i5-520UM:1280 x 800 pixels
Native aspect ratio
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:16:9
- X201t Intel® Core™ i5 i5-520UM:16:10
Processor generation
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:4th gen Intel® Core™ i5
- X201t Intel® Core™ i5 i5-520UM:Intel® Core™ i5
Processor model
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:i5-450M
- X201t Intel® Core™ i5 i5-520UM:i5-520UM
Processor boost frequency
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:2.66 GHz
- X201t Intel® Core™ i5 i5-520UM:1.87 GHz
Processor frequency
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:2.4 GHz
- X201t Intel® Core™ i5 i5-520UM:1.07 GHz
System bus rate
- Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M:4.8 GT/s
- X201t Intel® Core™ i5 i5-520UM:2.5 GT/s

Side by side

Differences highlightedShow differences only

Comparison of 7741-454G50Mnkk, X201t
147 specifications	A Acer Aspire 7741-454G50Mnkk Intel® Core™ i5 i5-450M Model 7741-454G50Mnkk View product	B Lenovo X201t Intel® Core™ i5 i5-520UM Model X201t View product
Display3 differ
Display diagonalDiffers	43.9 cm (17.3")	30.7 cm (12.1")
Display resolutionDiffers	1600 x 900 pixels	1280 x 800 pixels
LED backlight	Yes	Yes
Native aspect ratioDiffers	16:9	16:10
HD typeKnown for one	HD+	Unknown — not stated by the source
Processor10 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™ i5	Intel® Core™ i5
Processor generationDiffers	4th gen Intel® Core™ i5	Intel® Core™ i5
Processor modelDiffers	i5-450M	i5-520UM
Processor cores	2	2
Processor threads	4	4
Processor boost frequencyDiffers	2.66 GHz	1.87 GHz
Processor frequencyDiffers	2.4 GHz	1.07 GHz
System bus rateDiffers	4.8 GT/s	2.5 GT/s
Processor cache	3 MB	3 MB
Processor cache type	Smart Cache	Smart Cache
L3 cacheKnown for one	Unknown — not stated by the source	3 MB
L2 cacheKnown for one	Unknown — not stated by the source	3 MB
Processor front side busKnown for one	Unknown — not stated by the source	800 MHz
Processor socketDiffers	Socket 988	BGA 1288
Processor lithography	32 nm	32 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core i5-400 Series	Intel Core i5-500 Mobile Series
Processor codename	Arrandale	Arrandale
Bus type	DMI	DMI
FSB Parity	No	No
SteppingDiffers	K0	C2
Thermal Design Power (TDP)Differs	35 W	18 W
Tjunction	105 °C	105 °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	18	8
ECC supported by processor	No	No
Memory1 differ
Internal memoryDiffers	4 GB	2 GB
Internal memory type	DDR3-SDRAM	DDR3-SDRAM
Memory clock speed	1066 MHz	1066 MHz
Memory slots	2x SO-DIMM	2x SO-DIMM
Maximum internal memory	8 GB	8 GB
Storage3 differ
Total storage capacityDiffers	500 GB	320 GB
Number of HDDs installed	1	1
HDD capacityKnown for one	Unknown — not stated by the source	320 GB
HDD interface	SATA	SATA
HDD speedDiffers	5400 RPM	7200 RPM
Optical drive type	DVD-RW	DVD-RW
Card reader integrated	Yes	Yes
Compatible memory cardsDiffers	Memory Stick (MS), MMC, MS PRO, SD, xD	Memory Stick (MS), MMC, MS PRO, SD, SDXC
Graphics2 differ
On-board graphics card	Yes	Yes
Discrete graphics cardKnown for one	Unknown — not stated by the source	Yes
Discrete graphics card modelKnown for one	Unknown — not stated by the source	Intel HD
Graphics card familyKnown for one	Unknown — not stated by the source	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 frequencyDiffers	500 MHz	166 MHz
On-board graphics card dynamic frequency (max)Differs	766 MHz	500 MHz
Maximum resolutionKnown for one	Unknown — not stated by the source	1280 x 800 pixels
Audioidentical
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Networkidentical
Wi-Fi	Yes	Yes
Networking features	Gigabit Ethernet	Gigabit Ethernet
Wireless technology	Wi-Fi	Wi-Fi
Ethernet LAN	Yes	Yes
Bluetooth	No	No
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces1 differ
USB 2.0 ports quantity	3	3
Ethernet LAN (RJ-45) ports	1	1
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 connector	No	No
ExpressCard slotDiffers	No	Yes
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) ports	0	0
TV-in portKnown for one	Unknown — not stated by the source	No
TV-out	No	No
USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantityKnown for one	0	Unknown — not stated by the source
eSATA ports quantityKnown for one	0	Unknown — not stated by the source
HDMI ports quantityKnown for one	1	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
Keyboard1 differ
Pointing deviceDiffers	Touchpad	Trackpad
Numeric keypadKnown for one	Yes	Unknown — not stated by the source
Software2 differ
Operating system installedDiffers	Windows 7 Home Premium	Windows 7 Professional
Operating system architectureDiffers	64-bit	32-bit
Processor special features6 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 TechnologyDiffers	No	Yes
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)Differs	No	Yes
Intel® AES New Instructions (Intel® AES-NI)Differs	No	Yes
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® Turbo Boost Technology	1.0	1.0
Physical Address Extension (PAE)	36 bit	36 bit
Processor ARK IDDiffers	49022	47554
Processor codeDiffers	SLBTZ	SLBQP
Processor package sizeDiffers	rPGA 37.5x 37.5, BGA 34x28	BGA 34 x 28
Supported instruction sets	SSE4.1/4.2	SSE4.1/4.2
Thermal Monitoring Technologies	Yes	Yes
Conflict-Free processor	No	No
Power1 differ
AC adapter powerDiffers	90 W	65 W
DC-in jack	Yes	Yes
Security1 differ
Cable lock slotDiffers	No	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	Kensington
Weight & dimensions3 differ
WeightDiffers	3.3 kg	1.8 kg
WidthDiffers	415 mm	295 mm
DepthDiffers	275 mm	228 mm
Height (front)Known for one	Unknown — not stated by the source	2.65 cm
Height (rear)Known for one	Unknown — not stated by the source	3.33 cm
HeightKnown for one	34.3 mm	Unknown — not stated by the source
Packaging contentidentical
AC adapter included	Yes	Yes
Other features2 differ
Infrared data port	No	No
Compliance industry standards	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab	IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Power requirementsKnown for one	Unknown — not stated by the source	100 - 240V
Power supply typeDiffers	AC	AC/DC
Modem typeKnown for one	Unknown — not stated by the source	No
Supplied AC adapter typeDiffers	AC	AC, PCI
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	6	Unknown — not stated by the source
Battery capacityKnown for one	4400 mAh	Unknown — not stated by the source
Sustainabilityidentical
Sustainability certificatesKnown for one	ENERGY STAR	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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