Product comparison · 2 internal hard drives

Samsung 40GB SATA Hard Drive vs Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk

14specifications compared
11differ
3identical
19known for one product only

Key differences

The Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk has 40 GB more HDD capacity than the Samsung 40GB SATA Hard Drive (80 GB vs 40 GB). The Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk has 1,800 RPM more HDD speed than the Samsung 40GB SATA Hard Drive (7200 RPM vs 5400 RPM). The Samsung 40GB SATA Hard Drive has 4 ms more full stroke seek time than the Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk (22 ms vs 18 ms). Interface: Serial ATA on the Samsung 40GB SATA Hard Drive, Ultra-ATA/133 on the Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk.

HDD capacity
- 40GB SATA Hard Drive:40 GB
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:80 GB
HDD speed
- 40GB SATA Hard Drive:5400 RPM
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:7200 RPM
Interface
- 40GB SATA Hard Drive:Serial ATA
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:Ultra-ATA/133
Full stroke seek time
- 40GB SATA Hard Drive:22 ms
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:18 ms
Track to track seek time
- 40GB SATA Hard Drive:2 ms
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:0.8 ms
Average latency
- 40GB SATA Hard Drive:5.6 ms
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:4.17 ms
Mean time between failures (MTBF)
- 40GB SATA Hard Drive:330000 h
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:500.000 h
Width
- 40GB SATA Hard Drive:100 mm
- 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk:101.6 mm

Side by side

Differences highlightedShow differences only

Comparison of 40GB SATA Hard Drive, 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk
33 specifications	A Samsung 40GB SATA Hard Drive View product	B Samsung 80Gb ATA-7 133 Mbps 7200rpm 8Mb 20pk View product
Features7 differ
HDD capacityDiffers	40 GB	80 GB
HDD speedDiffers	5400 RPM	7200 RPM
InterfaceDiffers	Serial ATA	Ultra-ATA/133
Storage drive buffer size	8 MB	8 MB
Read speedKnown for one	Unknown — not stated by the source	741 MB/s
Access timeKnown for one	Unknown — not stated by the source	8.9 ms
Full stroke seek timeDiffers	22 ms	18 ms
Track to track seek timeDiffers	2 ms	0.8 ms
Average latencyDiffers	5.6 ms	4.17 ms
Bytes per sector	512	512
Mean time between failures (MTBF)Differs	330000 h	500.000 h
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
Average seek timeKnown for one	12 ms	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Poweridentical
Power consumption (standby)Known for one	Unknown — not stated by the source	0.5 W
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 55 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Non-operating shockKnown for one	Unknown — not stated by the source	350 G
Weight & dimensions4 differ
WidthDiffers	100 mm	101.6 mm
DepthDiffers	70 mm	146.1 mm
HeightDiffers	9.4 mm	25.4 mm
WeightDiffers	100 g	635 g
Logistics dataidentical
Products per palletKnown for one	Unknown — not stated by the source	20 pc(s)
Other featuresidentical
Power requirementsKnown for one	Unknown — not stated by the source	5V±5% / 12V±10%
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	101.6 x 146.1 x 25.4 mm
Internal	Yes	Yes
USB poweredKnown for one	Unknown — not stated by the source	No
HDD transfer rateKnown for one	428 Mbit/s	Unknown — not stated by the source
Drive device, transfer rateKnown for one	150 MB/s	Unknown — not stated by the source
Drive ready timeKnown for one	4 s	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.

More internal hard drive comparisons

All internal hard drive comparisons