Adata

LEGEND 840 512GB

LEGEND 840 512GB
BENCHMARKS (276)
MKT (0%)
BUILDS
(0)

Effective Speed -68%Effective Speed -68%Average Score -53%Read -83%, Write -66%, 4K Read -18%, 4K Write -4%, Mixed -46%, 4K Mixed -86%, SusWrite -66%Peak Score -90%Read -107%, Write -74%, 4K Read -117%, 4K Write -18%, Mixed -66%, 4K Mixed -172%, SusWrite -76%Value & Sentiment -2,140%User Rating -36%, Market Share -4,244%Nice To Haves -335%DQ Read -90%, DQ Write -35%, DQ Mixed -1,104%, ADQ Read -410%, ADQ Write -31%, ADQ Mixed -839%, Age -105%, AS-SSD Total -68%

Average Bench: 318% (33^rd of 1080)

Based on 276 user benchmarks. Model: ADATA LEGEND 840

Poor: 195%Average: 318% Great: 397%

Popular builds with this SSD

Outstanding average bench

The Adata LEGEND 840 512GB averaged 218.0% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Adata LEGEND 840 512GB near the top of the comparison list.

Strengths

Avg. Sequential Write Speed 2,747MB/s

Avg. Sequential Mixed IO Speed 2,136MB/s

See where your SSD ranks →

Terrible consistency

The range of scores (95th - 5th percentile) for the Adata LEGEND 840 512GB is 202%. This is a particularly wide range which indicates that the Adata LEGEND 840 512GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 4K-64Thread Read Speed 335MB/s

Avg. 4K Random Mixed IO Speed 56MB/s

Average Bench

(Based on 276 samples)

Rank 33318%

Min	Avg	Max
1,282	Read 2,237	2,756
1,354	Write 2,747	3,538
1,296	Mixed 2,136	2,545
884	SusWrite 1,909	2,605
510% 2,257 MB/s

Min	Avg	Max
46.6	4K Read 69.7	88.1
86.3	4K Write 195	304
38.9	4K Mixed 56	67.8
281% 107 MB/s

Min	Avg	Max
47.8	DQ Read 335	1,218
443	DQ Write 962	1,408
140	DQ Mixed 158	174
262% 485 MB/s

User Benchmarks

Bench

Sequential

Random 4k

Deep queue 4k

The fastest SSD (mainstream) averages a speed of 100%

HUN-User, 11 days ago.

365GB free

Firmware: 1.2.3.P

SusWrite @10s intervals: 2407 2142 1647 3060 3037 872 MB/s

366% Outstanding

Write 3,307

Mixed 2309

SusWrite 2194

574% 2,536 MB/s

4K Read 83.9

4K Write 305

4K Mixed 58.5

363% 149 MB/s

DQ Read 50.2

DQ Write 1421

DQ Mixed 165

299% 546 MB/s

RUS-User, 25 days ago.

446GB free (System drive)

Firmware: 1.2.4.M

SusWrite @10s intervals: 3657 3586 2845 983 986 987 MB/s

349% Outstanding

Write 3,763

Mixed 2321

SusWrite 2,174

597% 2635 MB/s

4K Read 55.2

4K Write 241

4K Mixed 49.1

274% 115 MB/s

DQ Read 557

DQ Write 1443

DQ Mixed 160

363% 720 MB/s

CRI-User, 21 days ago.

377GB free (System drive)

Firmware: 1.2.4.M

SusWrite @10s intervals: 2338 2349 2370 2383 2384 1544 MB/s

318% Outstanding

Write 2,433

Mixed 2,049

SusWrite 2,228

494% 2,184 MB/s

4K Read 74.1

4K Write 161

4K Mixed 52.5

265% 95.8 MB/s

DQ Read 48.7

DQ Write 991

DQ Mixed 167

235% 402 MB/s

ARG-User, 18 days ago.

421GB free (System drive)

Firmware: 1.2.4.M

SusWrite @10s intervals: 2621 2624 2097 988 990 987 MB/s

307% Outstanding

Write 2,717

Mixed 2,182

SusWrite 1,718

499% 2,209 MB/s

4K Read 76.7

4K Write 191

4K Mixed 61.1

296% 110 MB/s

DQ Read 80.3

DQ Write 1,049

DQ Mixed 153

241% 427 MB/s

NLD-User, 21 days ago.

256GB free (System drive)

Firmware: 1.2.3.P

SusWrite @10s intervals: 1586 2665 2061 2030 1242 808 MB/s

293% Outstanding

Write 3,062

Mixed 2175

SusWrite 1,732

510% 2,256 MB/s

4K Read 65.2

4K Write 190

4K Mixed 65.6

284% 107 MB/s

DQ Read 53.1

DQ Write 835

DQ Mixed 147

202% 345 MB/s

GRC-User, 28 days ago.

407GB free (System drive)

Firmware: 1.2.4.M

SusWrite @10s intervals: 3349 3354 1344 972 972 960 MB/s

285% Outstanding

Write 3,665

Mixed 2,366

SusWrite 1,825

578% 2,552 MB/s

4K Read 52.7

4K Write 92.5

4K Mixed 42.5

183% 62.6 MB/s

DQ Read 52.9

DQ Write 1,037

DQ Mixed 153

236% 414 MB/s

276 MORE »

Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 76,254,480 SSDs tested

Custom PC Builder (Start a new build) Build your perfect PC: compare component prices, popularity, speed and value for money

CHOOSE A COMPONENT:

CPU

GPU

SSD

HDD

RAM

MBD

Typical LEGEND 840 512GB Builds (Compare 868 builds) See popular component choices, score breakdowns and rankings

Gaming 17%

Surfboard

Desktop 88%

Aircraft carrier

Workstation 17%

Surfboard

Motherboard: Intel HM570

CPU
0000IntelBench 91%, 992 samples	605x
0000IntelBench 88%, 204 samples	148x
0000IntelBench 82%, 51 samples	42x

GPU
UHD GraphicsIntelBench 7%, 53,008 samples	176x
RTX 3070Nvidia $497Bench 148%, 619,642 samples	64x
RTX 3060Nvidia $226Bench 100%, 447,556 samples	40x

SSD
LEGEND 840 512GBAdataBench 318%, 276 samples	1x

RAM
VMA45UG-MEC1U2AW2 2x8GBAsgardBench 89%, 1,096 samples	28x
Vengeance LPX DDR4 3200 C16 2x16GBCorsair $63Bench 85%, 86,372 samples	27x
1x16GBMicronBench 43%, 553 samples	21x

EDIT WITH CUSTOM PC BUILDER

Popular LEGEND 840 512GB compatible motherboards:

How Fast Is Your SSD? (Bench your build) Size up your PC in less than a minute

Welcome to our PC speed test tool. UserBenchmark will test your PC and compare the results to other users with the same components. You can quickly size up your PC, identify hardware problems and explore the best value for money upgrades.

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Solid State Drive Rankings (Price vs Performance) June 2024 SSD Rankings

Welcome to our SSD comparison. We calculate effective speed for both SATA and NVMe drives based on real world performance then adjust by current prices per GB to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top SSDs. ^[SSDrivePro]

Group Test Results

Best user rated - User sentiment trumps benchmarks for this comparison.
Best value for money - Value for money is based on real world performance.
Fastest real world speed - Real World Speed measures performance for typical consumers.

1080 Drives (Compared) Thousands of user benchmarks compiled into one comparison list

See how consistently different SSDs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

Frequently Asked Questions

Storage Devices FAQ

What is sustained sequential write speed?

What’s the difference between SLC, MLC and TLC?

What is 3D XPoint and how fast is it?

What’s the difference between SATA, PCIe and NVMe?

What’s the difference between NAND and V-NAND?

What is sequential write speed?

What is sequential read speed?

What is incompressible data?

What is queue depth?

Solid State Drives

What is the SSD value for money rating?

What is 4K 64 thread write speed?

Can CPU power saving states (C1,C2,C3) impact SSD speed?

What is the effective SSD speed index?

How is the AS SSD write score calculated?

How is the AS SSD read score calculated?

How is the AS SSD total score calculated?

ALL FAQs »

CPU	GPU	SSD
Intel Core i5-12600K $160	Nvidia RTX 4060 $290	WD Black SN850X M.2 2TB $160
Intel Core i5-13600K $260	Nvidia RTX 4060-Ti $388	WD Black SN850X M.2 1TB $79
Intel Core i5-12400F $110	Nvidia RTX 4070 $520	Crucial T700 M.2 4TB $353

Adata

LEGEND 840 512GB

Average Bench: 318% (33^rd of 1080)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Intel HM570

Popular LEGEND 840 512GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

Adata

LEGEND 840 512GB

Average Bench: 318% (33rd of 1080)

Popular builds with this SSD

Outstanding average bench

Strengths

Terrible consistency

Weaknesses

Average Bench

Market Share (See Leaders)

CHOOSE A COMPONENT:

Motherboard: Intel HM570

Popular LEGEND 840 512GB compatible motherboards:

UserBenchmark of the month

How it works

Group Test Results

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Comments

Speed Comparisons

Frequently Asked Questions

Best User Rated

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Average Bench: 318% (33^rd of 1080)