Product comparison · 2 internal hard drives

Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk vs Seagate Barracuda 7200.9 250, Ultra ATA/100 20pk

13specifications compared
6differ
7identical
12known for one product only

Key differences

The Seagate Barracuda 7200.9 250, Ultra ATA/100 20pk has 8 MB more storage drive buffer size than the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk (16 MB vs 8 MB). The Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk has 0.01 ms more average latency than the Seagate Barracuda 7200.9 250, Ultra ATA/100 20pk (4.17 ms vs 4.16 ms). The Seagate Barracuda 7200.9 250, Ultra ATA/100 20pk has 0.8 mm more depth than the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk (146.9 mm vs 146.1 mm). Interface: Ultra-ATA/133 on the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk, Ultra-ATA/100 on the Seagate Barracuda 7200.9 250, Ultra ATA/100 20pk. Dimensions (WxDxH): 101.6 x 146.1 x 25.4 mm on the Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk, 101.6 x 146.9 x 26.04 mm on the Seagate Barracuda 7200.9 250, Ultra ATA/100 20pk.

Interface
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:Ultra-ATA/133
- Barracuda 7200.9 250, Ultra ATA/100 20pk:Ultra-ATA/100
Storage drive buffer size
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:8 MB
- Barracuda 7200.9 250, Ultra ATA/100 20pk:16 MB
Average latency
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:4.17 ms
- Barracuda 7200.9 250, Ultra ATA/100 20pk:4.16 ms
Depth
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:146.1 mm
- Barracuda 7200.9 250, Ultra ATA/100 20pk:146.9 mm
Height
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:25.4 mm
- Barracuda 7200.9 250, Ultra ATA/100 20pk:26 mm
Dimensions (WxDxH)
- 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk:101.6 x 146.1 x 25.4 mm
- Barracuda 7200.9 250, Ultra ATA/100 20pk:101.6 x 146.9 x 26.04 mm

Side by side

Differences highlightedShow differences only

Comparison of 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk, Barracuda 7200.9 250, Ultra ATA/100 20pk
25 specifications	A Samsung 250Gb UATA-133(ATA-7) 7200rpm 8Mb 20pk View product	B Seagate Barracuda 7200.9 250, Ultra ATA/100 20pk View product
Features3 differ
HDD capacity	250 GB	250 GB
HDD speed	7200 RPM	7200 RPM
InterfaceDiffers	Ultra-ATA/133	Ultra-ATA/100
Storage drive buffer sizeDiffers	8 MB	16 MB
Full stroke seek timeKnown for one	18 ms	Unknown — not stated by the source
Track to track seek time	0.8 ms	0.8 ms
Average seek timeKnown for one	8.9 ms	Unknown — not stated by the source
Average latencyDiffers	4.17 ms	4.16 ms
Mean time between failures (MTBF)Known for one	500.000 h	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Non-operating shockKnown for one	350 G	Unknown — not stated by the source
Weight & dimensions2 differ
Width	101.6 mm	101.6 mm
DepthDiffers	146.1 mm	146.9 mm
HeightDiffers	25.4 mm	26 mm
Weight	635 g	635 g
Other features1 differ
Dimensions (WxDxH)Differs	101.6 x 146.1 x 25.4 mm	101.6 x 146.9 x 26.04 mm
Internal	Yes	Yes
USB powered	No	No
HDD transfer rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Drive devices burst data transfer rate (DMA)Known for one	Unknown — not stated by the source	2
Drive devices burst data transfer rate (PIO)Known for one	Unknown — not stated by the source	4
Drive devices burst data transfer rate (Ultra DMA)Known for one	Unknown — not stated by the source	5

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.

More internal hard drive comparisons

All internal hard drive comparisons