Product comparison · 2 laptops

Lenovo ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB vs Lenovo ThinkPad R61i + Microsoft Office 2007 SB MLK

94specifications compared
22differ
72identical
23known for one product only

Key differences

Processor model
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:T8100
- ThinkPad R61i + Microsoft Office 2007 SB MLK:T5550
Processor frequency
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:2.1 GHz
- ThinkPad R61i + Microsoft Office 2007 SB MLK:1.83 GHz
Processor cache
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:3 MB
- ThinkPad R61i + Microsoft Office 2007 SB MLK:2 MB
Processor front side bus
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:800 MHz
- ThinkPad R61i + Microsoft Office 2007 SB MLK:667 MHz
Processor lithography
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:45 nm
- ThinkPad R61i + Microsoft Office 2007 SB MLK:65 nm
Processor codename
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:Penryn
- ThinkPad R61i + Microsoft Office 2007 SB MLK:Merom
Tjunction
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:105 °C
- ThinkPad R61i + Microsoft Office 2007 SB MLK:100 °C
Number of Processing Die Transistors
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:410 M
- ThinkPad R61i + Microsoft Office 2007 SB MLK:291 M

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB, ThinkPad R61i + Microsoft Office 2007 SB MLK
117 specifications	A Lenovo ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB View product	B Lenovo ThinkPad R61i + Microsoft Office 2007 SB MLK View product
Processor11 differ
Processor modelDiffers	T8100	T5550
Processor frequencyDiffers	2.1 GHz	1.83 GHz
Processor cacheDiffers	3 MB	2 MB
Processor front side busDiffers	800 MHz	667 MHz
Processor lithographyDiffers	45 nm	65 nm
Processor seriesDiffers	Intel Core 2 Duo T8000 Series	Intel Core 2 Duo T5000 Series
Processor codenameDiffers	Penryn	Merom
TjunctionDiffers	105 °C	100 °C
Number of Processing Die TransistorsDiffers	410 M	291 M
Processing Die sizeDiffers	107 mm²	143 mm²
CPU multiplier (bus/core ratio)Differs	10.5	11
SteppingKnown for one	M0	Unknown — not stated by the source
Memory1 differ
Internal memory typeKnown for one	Unknown — not stated by the source	DDR2-SDRAM
Memory layout (slots x size)Differs	2 x 2 GB	2 x 1 GB
Memory slotsKnown for one	Unknown — not stated by the source	2x SO-DIMM
Maximum internal memoryKnown for one	Unknown — not stated by the source	4 GB
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Storageidentical
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Audioidentical
Audio systemKnown for one	Unknown — not stated by the source	High Definition Audio
Number of built-in speakersKnown for one	Unknown — not stated by the source	2
Speaker powerKnown for one	Unknown — not stated by the source	2 W
Network1 differ
Networking featuresKnown for one	Unknown — not stated by the source	Gigabit Ethernet
Wireless technologyKnown for one	Unknown — not stated by the source	IEEE 802.11a/g/n
BluetoothDiffers	Yes	No
Ports & interfaces3 differ
Firewire (IEEE 1394) portsDiffers	1	0
ExpressCard slotDiffers	No	Yes
SmartCard slotDiffers	Yes	No
USB 1.1 ports quantityKnown for one	Unknown — not stated by the source	0
Keyboardidentical
Pointing deviceKnown for one	Unknown — not stated by the source	Trackpad
Software1 differ
Operating system installedDiffers	Windows XP Professional	Windows Vista Business
Processor special features3 differ
Intel Enhanced Halt StateDiffers	Yes	No
Intel Virtualization Technology (VT-x)Differs	Yes	No
Processor ARK IDDiffers	33916	32427
Idle StatesKnown for one	Yes	Unknown — not stated by the source
Processor codeKnown for one	SLAVJ	Unknown — not stated by the source
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	6
Securityidentical
Cable lock slotKnown for one	Unknown — not stated by the source	Yes
Cable lock slot typeKnown for one	Unknown — not stated by the source	IBM
HDD user passwordKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions2 differ
WeightDiffers	2.9 kg	2.75 kg
WidthDiffers	358.5 mm	359 mm
HeightKnown for one	Unknown — not stated by the source	35 mm
Height (front)Known for one	3.85 cm	Unknown — not stated by the source
Height (rear)Known for one	3.53 cm	Unknown — not stated by the source
Other featuresidentical
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s

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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