Product comparison · 2 internal hard drives

HP 20-GB, UATA, 100/7200 vs Seagate Savvio 36GB

7specifications compared
6differ
1identical
8known for one product only

Key differences

The Seagate Savvio 36GB has 16 GB more HDD capacity than the HP 20-GB, UATA, 100/7200 (36 GB vs 20 GB). The Seagate Savvio 36GB has 7,800 RPM more HDD speed than the HP 20-GB, UATA, 100/7200 (15000 RPM vs 7200 RPM). The HP 20-GB, UATA, 100/7200 has 1" more HDD size than the Seagate Savvio 36GB (3.5" vs 2.5"). Interface: Ultra-ATA/100 on the HP 20-GB, UATA, 100/7200, SAS on the Seagate Savvio 36GB. Operating voltage: 5 / 12 V on the HP 20-GB, UATA, 100/7200, 5 V on the Seagate Savvio 36GB.

HDD capacity
- 20-GB, UATA, 100/7200:20 GB
- Savvio 36GB:36 GB
HDD speed
- 20-GB, UATA, 100/7200:7200 RPM
- Savvio 36GB:15000 RPM
HDD size
- 20-GB, UATA, 100/7200:3.5"
- Savvio 36GB:2.5"
Interface
- 20-GB, UATA, 100/7200:Ultra-ATA/100
- Savvio 36GB:SAS
Operating voltage
- 20-GB, UATA, 100/7200:5 / 12 V
- Savvio 36GB:5 V
Weight
- 20-GB, UATA, 100/7200:907 g
- Savvio 36GB:227 g

Side by side

Differences highlightedShow differences only

Comparison of 20-GB, UATA, 100/7200, Savvio 36GB
15 specifications	A HP 20-GB, UATA, 100/7200 View product	B Seagate Savvio 36GB View product
Features4 differ
HDD capacityDiffers	20 GB	36 GB
HDD speedDiffers	7200 RPM	15000 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Ultra-ATA/100	SAS
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	2.9 ms
Write seek timeKnown for one	Unknown — not stated by the source	3.3 ms
Average latencyKnown for one	Unknown — not stated by the source	2 ms
TypeKnown for one	HDD	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	100.5 mm
HeightKnown for one	Unknown — not stated by the source	14.8 mm
WeightDiffers	907 g	227 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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