Compare Solid State Drives

Compare Samsung 850 EVO 500GB vs 840 EVO 500GB

Samsung 850 EVO 500GB and Samsung 840 EVO 500GB are both solid state drives with the same Capacity (500 GB), Interface (SATA 6 Gb/s) and Form Factor (2.5"). The main differences are in Performance (+2%), SSD Controller, NAND Flash Type and MTBF.

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Samsung 850 EVO 500GB

Samsung 840 EVO 500GB

Prices
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In Stock

Free shipping

Prices
(Change region)

In Stock

Free shipping

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Pangoly Score (How do we rate?)

92

Pangoly Score (How do we rate?)

91

Brand

Samsung

Brand

Samsung

Model

MZ-75E500B/AM
MZ-75E500B/EU
MZ-75E500BW/EU
MZ-75E500BW
MZ-75E500B

Model

MZ-7TE500BW

Release Date

📅 December 2014

Release Date

📅 August 2013

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

User reviews

★★★★★

(148 reviews)

Add a product review

User reviews

★★★★★

(150 reviews)

Add a product review

Performance (Charts)

207th / 1746

(0%)

Performance (Charts)

214th / 1746

(-2%)

Effective Value

257th / 336

Effective Value

263rd / 336

Price history

View Details ►

Price history

View Details ►

Price/GB

$0.40

Price/GB

$0.40

GB/$1

2.5

GB/$1

2.5

Pros

Samsung MGX controller
3D V-NAND
Competitive pricing
Great performance

Pros

Great performance
Samsung MEX Controller
Very good pricing

Cons

-

Cons

Questionable reliability compared to MLC NAND

Series

850 EVO

Series

840 EVO

Capacity

500 GB

Capacity

500 GB

Interface

SATA 6 Gb/s

Interface

SATA 6 Gb/s

NVME

No

NVME

No

Form Factor

2.5"

Form Factor

2.5"

SSD Controller

Samsung MGX

SSD Controller

Samsung MEX

NAND Flash Type

32 layer 3D V-NAND

NAND Flash Type

TLC

Cache

512MB Low Power DDR3 SDRAM

Cache

-

Max Sequential Read

Up to 540 MB/s

Max Sequential Read

-

Max Sequential Write

Up to 520 MB/s

Max Sequential Write

-

MTBF

2,000,000 hours

MTBF

1,500,000 hours

Options (4)

	1 TB SSD Only $460.60
	2 TB SSD Only $594.45
	250 GB SSD Only $129.99
	4 TB SSD Only $898.75

Comparison and key differences summary

Reasons to buy the Samsung 850 EVO 500GB:

Better Pangoly Score. (How do we rate?)
Slightly better performance, around +2%
Slightly better effective value.
Newer Product, it was released around 16 months later

Reasons to buy the Samsung 840 EVO 500GB:

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