Product comparison · 2 internal solid state drives

Samsung 840 EVO vs Samsung SM843T 120 GB 2.5" Serial ATA MLC

9specifications compared
5differ
4identical
17known for one product only

Key differences

Interface
- 840 EVO:Serial ATA III
- SM843T 120 GB 2.5" Serial ATA MLC:Serial ATA
Read speed
- 840 EVO:540 MB/s
- SM843T 120 GB 2.5" Serial ATA MLC:530 MB/s
Write speed
- 840 EVO:410 MB/s
- SM843T 120 GB 2.5" Serial ATA MLC:420 MB/s
Random read (4KB)
- 840 EVO:94000 IOPS
- SM843T 120 GB 2.5" Serial ATA MLC:60000 IOPS
Random write (4KB)
- 840 EVO:35000 IOPS
- SM843T 120 GB 2.5" Serial ATA MLC:11500 IOPS

Side by side

Differences highlightedShow differences only

Comparison of 840 EVO, SM843T
26 specifications	A Samsung 840 EVO View product	B Samsung SM843T 120 GB 2.5" Serial ATA MLC Model SM843T View product
Features5 differ
SSD capacity	120 GB	120 GB
SSD form factor	2.5"	2.5"
InterfaceDiffers	Serial ATA III	Serial ATA
Memory type	MLC	MLC
Data transfer rate	6 Gbit/s	6 Gbit/s
Read speedDiffers	540 MB/s	530 MB/s
Write speedDiffers	410 MB/s	420 MB/s
Random read (4KB)Differs	94000 IOPS	60000 IOPS
Random write (4KB)Differs	35000 IOPS	11500 IOPS
Storage drive buffer sizeKnown for one	256 MB	Unknown — not stated by the source
S.M.A.R.T. supportKnown for one	Yes	Unknown — not stated by the source
TRIM supportKnown for one	Yes	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
LithographyKnown for one	Unknown — not stated by the source	21 nm
Weight & dimensionsidentical
WidthKnown for one	69.8 mm	Unknown — not stated by the source
DepthKnown for one	100 mm	Unknown — not stated by the source
HeightKnown for one	7 mm	Unknown — not stated by the source
WeightKnown for one	68 g	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 70 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 85 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating shockKnown for one	1500 G	Unknown — not stated by the source
Other featuresidentical
Product colourKnown for one	Titanium	Unknown — not stated by the source
InternalKnown for one	Yes	Unknown — not stated by the source
Poweridentical
Power consumption (idle)Known for one	Unknown — not stated by the source	0.3 W

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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