Product comparison · 2 laptops

Lenovo ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB vs Lenovo ThinkPad R61i + Microsoft Office 2007 Pro 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 Pro MLK:T5550
Processor frequency
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:2.1 GHz
- ThinkPad R61i + Microsoft Office 2007 Pro MLK:1.83 GHz
Processor cache
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:3 MB
- ThinkPad R61i + Microsoft Office 2007 Pro MLK:2 MB
Processor front side bus
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:800 MHz
- ThinkPad R61i + Microsoft Office 2007 Pro MLK:667 MHz
Processor lithography
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:45 nm
- ThinkPad R61i + Microsoft Office 2007 Pro MLK:65 nm
Processor codename
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:Penryn
- ThinkPad R61i + Microsoft Office 2007 Pro MLK:Merom
Tjunction
- ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB:105 °C
- ThinkPad R61i + Microsoft Office 2007 Pro 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 Pro 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 Pro MLK
117 specifications	A Lenovo ThinkPad R61e, 15,4", Core 2 Duo T8100, 1x2GB, 160GB View product	B Lenovo ThinkPad R61i + Microsoft Office 2007 Pro MLK View product
Displayidentical
Display diagonal	39.1 cm (15.4")	39.1 cm (15.4")
Display resolution	1280 x 800 pixels	1280 x 800 pixels
Native aspect ratio	16:10	16:10
Processor11 differ
Processor manufacturer	Intel	Intel
Processor family	Intel® Core™2 Duo	Intel® Core™2 Duo
Processor modelDiffers	T8100	T5550
Processor cores	2	2
Processor threads	2	2
Processor frequencyDiffers	2.1 GHz	1.83 GHz
Processor cacheDiffers	3 MB	2 MB
Processor cache type	L2	L2
Processor front side busDiffers	800 MHz	667 MHz
Processor socket	Socket 478	Socket 478
Processor lithographyDiffers	45 nm	65 nm
Processor operating modes	64-bit	64-bit
Processor seriesDiffers	Intel Core 2 Duo T8000 Series	Intel Core 2 Duo T5000 Series
Processor codenameDiffers	Penryn	Merom
Bus type	FSB	FSB
FSB Parity	No	No
Thermal Design Power (TDP)	35 W	35 W
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
ECC supported by processor	No	No
SteppingKnown for one	M0	Unknown — not stated by the source
Memory1 differ
Internal memory	2 GB	2 GB
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
Total storage capacity	160 GB	160 GB
HDD interface	SATA	SATA
HDD speed	5400 RPM	5400 RPM
Optical drive typeKnown for one	Unknown — not stated by the source	DVD±RW
Card reader integrated	No	No
Graphicsidentical
Discrete graphics card	Yes	Yes
Discrete graphics card model	Intel® GMA X3100	Intel® GMA X3100
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
Cameraidentical
Front camera	No	No
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
USB 2.0 ports quantity	3	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	1	0
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	1	1
CardBus PCMCIA slot type	Type II	Type II
SmartCard slotDiffers	Yes	No
Modem (RJ-11) ports	1	1
TV-in port	No	No
TV-out	No	No
PS/2 ports quantity	0	0
Parallel ports quantity	0	0
Serial ports quantity	0	0
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® Wireless Display (Intel® WiDi)	No	No
Embedded options available	No	No
Enhanced Intel SpeedStep Technology	Yes	Yes
Execute Disable Bit	Yes	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	Yes	No
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	Yes	No
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	33916	32427
Processor package size	35 x 35 mm	35 x 35 mm
Thermal Monitoring Technologies	No	No
Conflict-Free processor	No	No
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
Poweridentical
DC-in jack	Yes	Yes
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
Depth	260 mm	260 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
Infrared data port	No	No
Internal modem	Yes	Yes
Modem speedKnown for one	Unknown — not stated by the source	56 Kbit/s
Supplied AC adapter type	AC	AC

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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