Product comparison · 2 internal solid state drives

Samsung 860 EVO vs Samsung PM981 1 TB M.2 PCI Express 3.0 NVMe TLC

10specifications compared
6differ
4identical
26known for one product only

Key differences

Interface
- 860 EVO:Serial ATA III
- PM981 1 TB M.2 PCI Express 3.0 NVMe TLC:PCI Express 3.0
Memory type
- 860 EVO:V-NAND MLC
- PM981 1 TB M.2 PCI Express 3.0 NVMe TLC:TLC
Component for
- 860 EVO:PC/Laptop
- PM981 1 TB M.2 PCI Express 3.0 NVMe TLC:PC
Read speed
- 860 EVO:550 MB/s
- PM981 1 TB M.2 PCI Express 3.0 NVMe TLC:3200 MB/s
Write speed
- 860 EVO:520 MB/s
- PM981 1 TB M.2 PCI Express 3.0 NVMe TLC:2400 MB/s
Weight
- 860 EVO:8.5 g
- PM981 1 TB M.2 PCI Express 3.0 NVMe TLC:9 g

Side by side

Differences highlightedShow differences only

Comparison of 860 EVO, PM981
36 specifications	A Samsung 860 EVO View product	B Samsung PM981 1 TB M.2 PCI Express 3.0 NVMe TLC Model PM981 View product
Features5 differ
InterfaceDiffers	Serial ATA III	PCI Express 3.0
Memory typeDiffers	V-NAND MLC	TLC
Component forDiffers	PC/Laptop	PC
Hardware encryptionKnown for one	Yes	Unknown — not stated by the source
Security algorithmsKnown for one	256-bit AES	Unknown — not stated by the source
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Read speedDiffers	550 MB/s	3200 MB/s
Write speedDiffers	520 MB/s	2400 MB/s
DevSlp (device sleep) supportKnown for one	Yes	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
Mean time between failures (MTBF)Known for one	1500000 h	Unknown — not stated by the source
NVMeKnown for one	Unknown — not stated by the source	Yes
NAND flash typeKnown for one	Unknown — not stated by the source	TLC (Triple Level Cell)
Random read (4KB)Known for one	Unknown — not stated by the source	380000 IOPS
Random write (4KB)Known for one	Unknown — not stated by the source	440000 IOPS
Poweridentical
Power consumption (max)Known for one	4 W	Unknown — not stated by the source
Weight & dimensions1 differ
WidthKnown for one	29.9 mm	Unknown — not stated by the source
DepthKnown for one	50.8 mm	Unknown — not stated by the source
HeightKnown for one	3.85 mm	Unknown — not stated by the source
WeightDiffers	8.5 g	9 g
Packaging dataidentical
ManualKnown for one	Yes	Unknown — not stated by the source
Package widthKnown for one	140 mm	Unknown — not stated by the source
Package depthKnown for one	100 mm	Unknown — not stated by the source
Package heightKnown for one	20 mm	Unknown — not stated by the source
Package weightKnown for one	79 g	Unknown — not stated by the source
Package typeKnown for one	Box	Unknown — not stated by the source
Operational conditionsidentical
Operating shockKnown for one	1500 G	Unknown — not stated by the source
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 85 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Other featuresidentical
Product colourKnown for one	Unknown — not stated by the source	Black, Green

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 solid state drive comparisons

All internal solid state drive comparisons