Product comparison · 2 internal hard drives

Seagate Momentus 750Gb SATA II vs Seagate Momentus XT 500GB

Key differences

HDD capacity
- Momentus 750Gb SATA II:750 GB
- Momentus XT 500GB:500 GB
Interface
- Momentus 750Gb SATA II:Serial ATA II
- Momentus XT 500GB:Serial ATA
Storage drive buffer size
- Momentus 750Gb SATA II:16 MB
- Momentus XT 500GB:32 MB
Average latency
- Momentus 750Gb SATA II:4.2 ms
- Momentus XT 500GB:4.17 ms
Width
- Momentus 750Gb SATA II:69.8 mm
- Momentus XT 500GB:70.1 mm
Depth
- Momentus 750Gb SATA II:100.3 mm
- Momentus XT 500GB:100.5 mm
Height
- Momentus 750Gb SATA II:9.5 mm
- Momentus XT 500GB:9.7 mm
Weight
- Momentus 750Gb SATA II:115 g
- Momentus XT 500GB:110 g

Differences highlightedShow differences only

Comparison of Momentus 750Gb SATA II, Momentus XT 500GB
24 specifications	A Seagate Momentus 750Gb SATA II View product	B Seagate Momentus XT 500GB View product
Features4 differ
HDD capacityDiffers	750 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	2.5"	2.5"
InterfaceDiffers	Serial ATA II	Serial ATA
Component for	Laptop	Laptop
Storage drive buffer sizeDiffers	16 MB	32 MB
Read seek time	11 ms	11 ms
Write seek time	13 ms	13 ms
Average latencyDiffers	4.2 ms	4.17 ms
Poweridentical
Power consumption (typical)Known for one	Unknown — not stated by the source	1.1 W
Power consumption (idle)Known for one	Unknown — not stated by the source	0.8 W
Operating voltage	5 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shock	350 G	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Weight & dimensions4 differ
WidthDiffers	69.8 mm	70.1 mm
DepthDiffers	100.3 mm	100.5 mm
HeightDiffers	9.5 mm	9.7 mm
WeightDiffers	115 g	110 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Flash memoryKnown for one	Unknown — not stated by the source	4096 MB
Internal	Yes	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.