Compare Solid State Drives

Compare Samsung 950 PRO 512GB M.2 vs 840 PRO 512GB

Samsung 950 PRO 512GB M.2 and Samsung 840 PRO 512GB are both solid state drives with the same Capacity (512 GB) and MTBF (1,500,000 hours). The main differences are in Performance (+118%), Interface, NVME and Form Factor.

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Samsung 950 PRO 512GB M.2

Samsung 840 PRO 512GB

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Pangoly Score (How do we rate?)

95

Pangoly Score (How do we rate?)

92

Brand

Samsung

Brand

Samsung

Model

MZ-V5P512BW

Model

MZ-7PD512BW

Release Date

📅 October 2015

Release Date

📅 October 2012

* First availability for purchase, it may not correspond to the actual market launch date.

User reviews

★★★★★

(104 reviews)

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User reviews

★★★★★

(235 reviews)

Add a product review

Performance (Charts)

109th / 1746

(0%)

Performance (Charts)

232nd / 1746

(-118%)

Effective Value

215th / 336

Effective Value

300th / 336

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.98

Price/GB

$0.59

GB/$1

1.02

GB/$1

1.71

Pros

-

Pros

Great performance
Samsung MDX controller
5-years warranty

Series

950 PRO

Series

840 Pro Series

Capacity

512 GB

Capacity

512 GB

Interface

PCIe Gen3 x4

Interface

SATA 6 Gb/s

NVME

Yes

NVME

No

Form Factor

M.2-2280

Form Factor

2.5"

SSD Controller

Samsung UBX

SSD Controller

Samsung MDX

NAND Flash Type

Samsung V-NAND

NAND Flash Type

MLC

Cache

512MB

Cache

-

Max Sequential Read

Up to 2500 MB/s

Max Sequential Read

-

Max Sequential Write

Up to 1500 MB/s

Max Sequential Write

-

MTBF

1,500,000 hours

MTBF

1,500,000 hours

-

Options (1)

Samsung 840 PRO 256GB

256 GB
$179.99

Comparison and key differences summary

Reasons to buy the Samsung 950 PRO 512GB M.2:

Better Pangoly Score. (How do we rate?)
Monstrously better performance, around +118%
Much better effective value.
Newer Product, it was released around 3 years later
Newer interface (PCIe Gen3 x4)

Reasons to buy the Samsung 840 PRO 512GB:

40% cheaper, you can save $200.00

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