Product comparison · 2 laptops

Acer Aspire 9813WKMi_2048 vs Lenovo ThinkPad R61 (8914-3VG), BE

111specifications compared
43differ
68identical
25known for one product only

Key differences

Display diagonal
- Aspire 9813WKMi_2048:51 cm (20.1")
- ThinkPad R61 (8914-3VG), BE:39.1 cm (15.4")
Processor model
- Aspire 9813WKMi_2048:T5500
- ThinkPad R61 (8914-3VG), BE:T7100
Processor frequency
- Aspire 9813WKMi_2048:1.66 GHz
- ThinkPad R61 (8914-3VG), BE:1.8 GHz
Processor cache
- Aspire 9813WKMi_2048:2 MB
- ThinkPad R61 (8914-3VG), BE:4 MB
Processor front side bus
- Aspire 9813WKMi_2048:667 MHz
- ThinkPad R61 (8914-3VG), BE:800 MHz
Processor socket
- Aspire 9813WKMi_2048:Socket 479
- ThinkPad R61 (8914-3VG), BE:Socket 478
Thermal Design Power (TDP)
- Aspire 9813WKMi_2048:34 W
- ThinkPad R61 (8914-3VG), BE:35 W
CPU multiplier (bus/core ratio)
- Aspire 9813WKMi_2048:10
- ThinkPad R61 (8914-3VG), BE:9

Side by side

Differences highlightedShow differences only

Comparison of Aspire 9813WKMi_2048, ThinkPad R61 (8914-3VG), BE
136 specifications	A Acer Aspire 9813WKMi_2048 View product	B Lenovo ThinkPad R61 (8914-3VG), BE View product
Display1 differ
Display diagonalDiffers	51 cm (20.1")	39.1 cm (15.4")
Display resolution	1680 x 1050 pixels	1680 x 1050 pixels
Native aspect ratio	16:10	16:10
Display response rise/fallKnown for one	16 ms	Unknown — not stated by the source
Processor8 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T5500	T7100
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	1.66 GHz	1.8 GHz
Processor cacheDiffers	2 MB	4 MB
Processor cache type	L2	L2
Processor front side busDiffers	667 MHz	800 MHz
Processor socketDiffers	Socket 479	Socket 478
Processor lithography	65 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T5000 Series	Intel Core 2 Duo T7000 Series
Processor codename	Merom	Merom
Bus type	FSB	FSB
FSB Parity	No	No
SteppingKnown for one	B2	Unknown — not stated by the source
Thermal Design Power (TDP)Differs	34 W	35 W
Tjunction	100 °C	100 °C
Processor core voltage (AC)Known for one	1.0375 - 1.30 V	Unknown — not stated by the source
Number of Processing Die Transistors	291 M	291 M
Processing Die size	143 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10	9
ECC supported by processor	No	No
Memory2 differ
Internal memoryDiffers	2 GB	1 GB
Internal memory type	DDR2-SDRAM	DDR2-SDRAM
Memory clock speed	667 MHz	667 MHz
Memory layout (slots x size)Differs	2 x 1 GB	1 x 1 GB
Maximum internal memory	4 GB	4 GB
Storage2 differ
Total storage capacityDiffers	160 GB	120 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeDiffers	DVD Super Multi DL	DVD±RW
Card reader integrated	Yes	Yes
Compatible memory cardsKnown for one	MMC, MS PRO, SD, xD	Unknown — not stated by the source
Graphics2 differ
Discrete graphics card	Yes	Yes
Discrete graphics card modelDiffers	NVIDIA® GeForce® Go 7600	NVIDIA Quadro NVS 140M
Maximum graphics card memoryDiffers	0.256 GB	0.128 GB
Audioidentical
Number of built-in speakers	2	2
Built-in subwooferKnown for one	Yes	Unknown — not stated by the source
Audio systemKnown for one	Unknown — not stated by the source	HDA 24-bit
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Cameraidentical
Front camera resolution (numeric)Known for one	1.3 MP	Unknown — not stated by the source
Front cameraKnown for one	Unknown — not stated by the source	No
Network3 differ
Networking featuresDiffers	Gigabit Ethernet, WLAN	WLAN, Gigabit Ethernet
Wireless technologyDiffers	IEEE 802.11a/b/g	Intel 4965AGN
BluetoothDiffers	Yes	No
Bluetooth versionKnown for one	2.0+EDR	Unknown — not stated by the source
Cabling technology	10/100/1000Base-T(X)	10/100/1000Base-T(X)
Ports & interfaces10 differ
USB 2.0 ports quantityDiffers	4	3
Ethernet LAN (RJ-45) ports	1	1
DVI portDiffers	Yes	No
VGA (D-Sub) ports quantity	1	1
Firewire (IEEE 1394) ports	1	1
Headphone outputs	1	1
S/PDIF out portDiffers	Yes	No
Microphone in	Yes	Yes
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	Yes	No
CardBus PCMCIA slots quantityDiffers	1	0
CardBus PCMCIA slot typeDiffers	Type II	No
SmartCard slot	No	No
Modem (RJ-11) ports	1	1
TV-in portDiffers	Yes	No
TV-out	Yes	Yes
TV-out type	S-Video	S-Video
PS/2 ports quantity	0	0
Parallel ports quantityDiffers	1	0
Serial ports quantityDiffers	1	0
USB 1.1 ports quantity	0	0
HDMI ports quantityKnown for one	Unknown — not stated by the source	0
Performanceidentical
Motherboard chipsetKnown for one	Intel® 945PM Express	Unknown — not stated by the source
Keyboard1 differ
Pointing deviceDiffers	Touchpad	ThinkPad UltraNav
Keyboard layoutKnown for one	QWERTY	Unknown — not stated by the source
Software2 differ
Operating system installedDiffers	Windows Vista Home Premium	Windows Vista Business
Bundled softwareDiffers	Acer GridVista Acer Arcade Acer Launch Manager Adobe Reader CyberLink PowerProducer NTI CD Maker	Yes
Drivers includedKnown for one	Unknown — not stated by the source	Yes
Processor special features4 differ
Intel® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	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	27253	29759
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
Battery1 differ
Number of battery cellsDiffers	8	6
Battery capacityKnown for one	4800 mAh	Unknown — not stated by the source
Battery life (max)Known for one	1.5 h	Unknown — not stated by the source
Poweridentical
DC-in jack	Yes	Yes
Security1 differ
Cable lock slot	Yes	Yes
Cable lock slot typeDiffers	Kensington	IBM
Password protection typeKnown for one	BIOS	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 & dimensions4 differ
WeightDiffers	7.8 kg	2.9 kg
WidthDiffers	475 mm	332 mm
DepthDiffers	352 mm	269 mm
HeightDiffers	61.8 mm	40 mm
Other features2 differ
Infrared data portDiffers	Yes	No
Wake-on-LAN readyKnown for one	Yes	Unknown — not stated by the source
Wake-on-Ring readyKnown for one	Yes	Unknown — not stated by the source
Internal modem	Yes	Yes
Modem speed	56 Kbit/s	56 Kbit/s
TV tuner typeKnown for one	DVB-T	Unknown — not stated by the source
Modem typeDiffers	ITU V.92	V.92
Supplied AC adapter typeKnown for one	Unknown — not stated by the source	AC
Optical driveidentical
CD read 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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