Product comparison · 2 laptops

Lenovo ThinkPad T61 (6457-4XG), EN vs Lenovo ThinkPad T61 (6457-6DG), EN

Key differences

Internal memory
- ThinkPad T61 (6457-4XG), EN:1 GB
- ThinkPad T61 (6457-6DG), EN:2 GB
Total storage capacity
- ThinkPad T61 (6457-4XG), EN:120 GB
- ThinkPad T61 (6457-6DG), EN:100 GB
Audio system
- ThinkPad T61 (6457-4XG), EN:HDA 24-bit
- ThinkPad T61 (6457-6DG), EN:Intel HDA 24-bit
Speaker power
- ThinkPad T61 (6457-4XG), EN:4 W
- ThinkPad T61 (6457-6DG), EN:2 W
Wireless technology
- ThinkPad T61 (6457-4XG), EN:Intel 3945 a/b/g
- ThinkPad T61 (6457-6DG), EN:Intel 3945ABG
Bluetooth
- ThinkPad T61 (6457-4XG), EN:No
- ThinkPad T61 (6457-6DG), EN:Yes
Docking connector
- ThinkPad T61 (6457-4XG), EN:No
- ThinkPad T61 (6457-6DG), EN:Yes
ExpressCard slot
- ThinkPad T61 (6457-4XG), EN:No
- ThinkPad T61 (6457-6DG), EN:Yes

Differences highlightedShow differences only

Comparison of ThinkPad T61 (6457-4XG), EN, ThinkPad T61 (6457-6DG), EN
119 specifications	A Lenovo ThinkPad T61 (6457-4XG), EN View product	B Lenovo ThinkPad T61 (6457-6DG), EN View product
Memory1 differ
Internal memoryDiffers	1 GB	2 GB
Memory layout (slots x size)Known for one	1 x 1 GB	Unknown — not stated by the source
Storage1 differ
Total storage capacityDiffers	120 GB	100 GB
Compatible memory cardsKnown for one	MMC, SD, xD	Unknown — not stated by the source
Audio2 differ
Audio systemDiffers	HDA 24-bit	Intel HDA 24-bit
Speaker powerDiffers	4 W	2 W
Network2 differ
Wireless technologyDiffers	Intel 3945 a/b/g	Intel 3945ABG
BluetoothDiffers	No	Yes
Bluetooth versionKnown for one	Unknown — not stated by the source	2.0+EDR
Ports & interfaces2 differ
Docking connectorDiffers	No	Yes
ExpressCard slotDiffers	No	Yes
Software1 differ
Operating system installedDiffers	Windows Vista Business	Windows Vista Ultimate
Batteryidentical
Number of battery cellsKnown for one	Unknown — not stated by the source	9

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.