Product comparison · 2 internal hard drives

Seagate Barracuda 7200.11 SATA 3Gb/s 1TB vs Seagate Momentus 80GB

Key differences

HDD capacity
- Barracuda 7200.11 SATA 3Gb/s 1TB:1 TB
- Momentus 80GB:80 GB
HDD speed
- Barracuda 7200.11 SATA 3Gb/s 1TB:7200 RPM
- Momentus 80GB:5400 RPM
HDD size
- Barracuda 7200.11 SATA 3Gb/s 1TB:3.5"
- Momentus 80GB:2.5"
Interface
- Barracuda 7200.11 SATA 3Gb/s 1TB:Serial ATA
- Momentus 80GB:Ultra-ATA/100
Storage drive buffer size
- Barracuda 7200.11 SATA 3Gb/s 1TB:32 MB
- Momentus 80GB:8 MB
Read seek time
- Barracuda 7200.11 SATA 3Gb/s 1TB:8.5 ms
- Momentus 80GB:11 ms
Write seek time
- Barracuda 7200.11 SATA 3Gb/s 1TB:10 ms
- Momentus 80GB:13 ms
Average latency
- Barracuda 7200.11 SATA 3Gb/s 1TB:4.16 ms
- Momentus 80GB:5.56 ms

Differences highlightedShow differences only

Comparison of Barracuda 7200.11 SATA 3Gb/s 1TB, Momentus 80GB
20 specifications	A Seagate Barracuda 7200.11 SATA 3Gb/s 1TB View product	B Seagate Momentus 80GB View product
Features8 differ
HDD capacityDiffers	1 TB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	Ultra-ATA/100
Storage drive buffer sizeDiffers	32 MB	8 MB
Read seek timeDiffers	8.5 ms	11 ms
Write seek timeDiffers	10 ms	13 ms
Average latencyDiffers	4.16 ms	5.56 ms
Start/stop cyclesKnown for one	50000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	750000 h	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensions1 differ
WeightDiffers	640 g	102 g
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
Other featuresidentical
Dimensions (WxDxH)Known for one	101.6 x 146.99 x 26.11 mm	Unknown — not stated by the source
Drive device, transfer rateKnown for one	300 MB/s	Unknown — not stated by the source
Internal	Yes	Yes
Plug and PlayKnown for one	Yes	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.