Product comparison · 2 laptops

Acer eMachines E520-571G16 vs Lenovo ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+

97specifications compared
36differ
61identical
30known for one product only

Key differences

Display resolution
- eMachines E520-571G16:1280 x 800 pixels
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:1680 x 1050 pixels
Processor family
- eMachines E520-571G16:Intel® Celeron® M
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:Intel® Core™2 Duo
Processor model
- eMachines E520-571G16:575
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:T8100
Processor cores
- eMachines E520-571G16:1
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:2
Processor threads
- eMachines E520-571G16:1
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:2
Processor frequency
- eMachines E520-571G16:2 GHz
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:2.1 GHz
Processor cache
- eMachines E520-571G16:1 MB
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:3 MB
Processor front side bus
- eMachines E520-571G16:667 MHz
- ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+:800 MHz

Side by side

Differences highlightedShow differences only

Comparison of eMachines E520-571G16, ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+
127 specifications	A Acer eMachines E520-571G16 View product	B Lenovo ThinkPad R61 Core 2 Duo T8100 (2.10GHz)/2GB/ 160GB/ 15,4" WSXGA+View product
Display1 differ
Display diagonal	39.1 cm (15.4")	39.1 cm (15.4")
Display resolutionDiffers	1280 x 800 pixels	1680 x 1050 pixels
Native aspect ratio	16:10	16:10
Display brightnessKnown for one	200 cd/m²	Unknown — not stated by the source
Display number of coloursKnown for one	Unknown — not stated by the source	16.78 million colours
Processor14 differ
Processor manufacturer	Intel	Intel
Processor familyDiffers	Intel® Celeron® M	Intel® Core™2 Duo
Processor modelDiffers	575	T8100
Processor coresDiffers	1	2
Processor threadsDiffers	1	2
Processor frequencyDiffers	2 GHz	2.1 GHz
Processor cacheDiffers	1 MB	3 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	800 MHz
Processor socket	Socket 478	Socket 478
Processor lithographyDiffers	65 nm	45 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Celeron Processor 500 Series for Mobile	Intel Core 2 Duo T8000 Series
Processor codenameDiffers	Merom	Penryn
Bus type	FSB	FSB
FSB Parity	No	No
Stepping	M0	M0
Thermal Design Power (TDP)Differs	31 W	35 W
TcaseKnown for one	100 °C	Unknown — not stated by the source
Number of Processing Die TransistorsDiffers	291 M	410 M
Processing Die sizeDiffers	143 mm²	107 mm²
CPU multiplier (bus/core ratio)Differs	12	10.5
ECC supported by processor	No	No
TjunctionKnown for one	Unknown — not stated by the source	105 °C
Memory2 differ
Internal memoryDiffers	1 GB	2 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory layout (slots x size)Differs	1 x 1 GB	2 x 2 GB
Memory slotsKnown for one	2x SO-DIMM	Unknown — not stated by the source
Maximum internal memory	4 GB	4 GB
Memory clock speedKnown for one	Unknown — not stated by the source	667 MHz
Storage1 differ
Total storage capacity	160 GB	160 GB
HDD interface	SATA	SATA
Card reader integratedDiffers	No	Yes
Graphics1 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	Intel® GMA 4500M	NVIDIA Quadro NVS 140M
Discrete graphics card memoryKnown for one	Unknown — not stated by the source	0.125 GB
Graphics card familyKnown for one	Unknown — not stated by the source	nVIDIA
Maximum graphics card memoryKnown for one	Unknown — not stated by the source	0.128 GB
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
Cameraidentical
Front camera	No	No
Network2 differ
Networking featuresKnown for one	Ethernet/Fast Ethernet	Unknown — not stated by the source
Wireless technologyDiffers	IEEE 802.11b/g	WiFi Link 4965AGN
BluetoothDiffers	No	Yes
Networking typeKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Ports & interfaces5 differ
USB 2.0 ports quantityDiffers	2	3
Ethernet LAN (RJ-45) ports	1	1
HDMI ports quantity	0	0
DVI port	No	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) portsDiffers	0	1
Headphone outputs	1	1
S/PDIF out port	No	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slot	No	No
CardBus PCMCIA slots quantity	0	0
CardBus PCMCIA slot type	No	No
SmartCard slot	No	No
Modem (RJ-11) portsDiffers	0	1
TV-in port	No	No
TV-outDiffers	No	Yes
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
TV-out typeKnown for one	Unknown — not stated by the source	S-Video
Performanceidentical
Motherboard chipsetKnown for one	Intel® GL40 Express	Unknown — not stated by the source
Keyboardidentical
Pointing deviceKnown for one	Touchpad	Unknown — not stated by the source
Keyboard typeKnown for one	Unknown — not stated by the source	Full size
Software1 differ
Operating system installedDiffers	Linux	Windows Vista Business
Processor special features7 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options availableDiffers	Yes	No
Enhanced Intel SpeedStep TechnologyDiffers	No	Yes
Execute Disable Bit	Yes	Yes
Idle StatesDiffers	No	Yes
Intel 64	Yes	Yes
Intel Clear Video Technology	No	No
Intel Demand Based Switching	No	No
Intel Dual Display Capable Technology	No	No
Intel Enhanced Halt StateDiffers	No	Yes
Intel FDI Technology	No	No
Intel Fast Memory Access	No	No
Intel Flex Memory Access	No	No
Intel Rapid Storage Technology	No	No
Intel Trusted Execution Technology	No	No
Intel VT-x with Extended Page Tables (EPT)	No	No
Intel Virtualization Technology (VT-x)Differs	No	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)	No	No
Intel® Clear Video Technology for Mobile Internet Devices (Intel CVT for MID)	No	No
Intel® Hyper Threading Technology (Intel® HT Technology)	No	No
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	No	No
Processor ARK IDDiffers	36680	33916
Processor codeDiffers	SLB6M	SLAVJ
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Batteryidentical
Number of battery cells	6	6
Poweridentical
DC-in jack	Yes	Yes
AC adapter powerKnown for one	Unknown — not stated by the source	90 W
Securityidentical
Cable lock slotKnown for one	Yes	Unknown — not stated by the source
Cable lock slot typeKnown for one	Kensington	Unknown — not stated by the source
Fingerprint readerKnown for one	Unknown — not stated by the source	Yes
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions1 differ
WeightDiffers	2.8 kg	2.77 kg
WidthKnown for one	364.6 mm	Unknown — not stated by the source
DepthKnown for one	273.6 mm	Unknown — not stated by the source
Height (front)Known for one	2.7 cm	Unknown — not stated by the source
Height (rear)Known for one	3.84 cm	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	358 x 260 x 35 mm
Other features1 differ
Infrared data port	No	No
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Internal modemDiffers	No	Yes
Supplied AC adapter type	AC	AC
Optical driveidentical
DVD+R speedKnown for one	Unknown — not stated by the source	24x
Packaging contentidentical
AC adapter includedKnown 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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