Product comparison · 2 internal hard drives

HP 20-GB, UATA, 100/7200 vs Seagate Momentus 5400.3 SATA 60GB

Key differences

HDD capacity
- 20-GB, UATA, 100/7200:20 GB
- Momentus 5400.3 SATA 60GB:60 GB
HDD speed
- 20-GB, UATA, 100/7200:7200 RPM
- Momentus 5400.3 SATA 60GB:5400 RPM
Interface
- 20-GB, UATA, 100/7200:Ultra-ATA/100
- Momentus 5400.3 SATA 60GB:Serial ATA
Weight
- 20-GB, UATA, 100/7200:907 g
- Momentus 5400.3 SATA 60GB:96 g

Differences highlightedShow differences only

Comparison of 20-GB, UATA, 100/7200, Momentus 5400.3 SATA 60GB
16 specifications	A HP 20-GB, UATA, 100/7200 View product	B Seagate Momentus 5400.3 SATA 60GB View product
Features3 differ
HDD capacityDiffers	20 GB	60 GB
HDD speedDiffers	7200 RPM	5400 RPM
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
TypeKnown for one	HDD	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	69.8 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightDiffers	907 g	96 g
Other featuresidentical
Internal	Yes	Yes
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source

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.