Product comparison · 2 internal hard drives

Seagate Momentus 5400.5 SATA 320GB vs Seagate Momentus SATA 320GB

14specifications compared
5differ
9identical
1known for one product only

Key differences

The Seagate Momentus SATA 320GB has 1,800 RPM more HDD speed than the Seagate Momentus 5400.5 SATA 320GB (7200 RPM vs 5400 RPM). The Seagate Momentus SATA 320GB has 8 MB more storage drive buffer size than the Seagate Momentus 5400.5 SATA 320GB (16 MB vs 8 MB). The Seagate Momentus 5400.5 SATA 320GB has 3 ms more read seek time than the Seagate Momentus SATA 320GB (14 ms vs 11 ms).

HDD speed
- Momentus 5400.5 SATA 320GB:5400 RPM
- Momentus SATA 320GB:7200 RPM
Storage drive buffer size
- Momentus 5400.5 SATA 320GB:8 MB
- Momentus SATA 320GB:16 MB
Read seek time
- Momentus 5400.5 SATA 320GB:14 ms
- Momentus SATA 320GB:11 ms
Average latency
- Momentus 5400.5 SATA 320GB:5.6 ms
- Momentus SATA 320GB:4.17 ms
Weight
- Momentus 5400.5 SATA 320GB:98.5 g
- Momentus SATA 320GB:110 g

Side by side

Differences highlightedShow differences only

Comparison of Momentus 5400.5 SATA 320GB, Momentus SATA 320GB
15 specifications	A Seagate Momentus 5400.5 SATA 320GB View product	B Seagate Momentus SATA 320GB View product
Features4 differ
HDD capacity	320 GB	320 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD size	2.5"	2.5"
Interface	Serial ATA	Serial ATA
Component for	Laptop	Laptop
Storage drive buffer sizeDiffers	8 MB	16 MB
Read seek timeDiffers	14 ms	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyDiffers	5.6 ms	4.17 ms
Poweridentical
Operating voltage	5 V	5 V
Weight & dimensions1 differ
Width	69.8 mm	69.8 mm
Depth	100.5 mm	100.5 mm
Height	9.5 mm	9.5 mm
WeightDiffers	98.5 g	110 g
Other featuresidentical
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.

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