Product comparison · 2 internal hard drives

HP 20-GB, UATA, 100/7200 vs Seagate Barracuda ES SATA 500GB

7specifications compared
3differ
4identical
8known for one product only

Key differences

HDD capacity
- 20-GB, UATA, 100/7200:20 GB
- Barracuda ES SATA 500GB:500 GB
Interface
- 20-GB, UATA, 100/7200:Ultra-ATA/100
- Barracuda ES SATA 500GB:Serial ATA
Weight
- 20-GB, UATA, 100/7200:907 g
- Barracuda ES SATA 500GB:635 g

Side by side

Differences highlightedShow differences only

Comparison of 20-GB, UATA, 100/7200, Barracuda ES SATA 500GB
15 specifications	A HP 20-GB, UATA, 100/7200 View product	B Seagate Barracuda ES SATA 500GB View product
Features2 differ
HDD capacityDiffers	20 GB	500 GB
InterfaceDiffers	Ultra-ATA/100	Serial ATA
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 MB
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	10 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
TypeKnown for one	HDD	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	101.6 mm
DepthKnown for one	Unknown — not stated by the source	147 mm
HeightKnown for one	Unknown — not stated by the source	26.1 mm
WeightDiffers	907 g	635 g

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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