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Kbg4aznv256g

KIOXIA 256GB

▲ 500 ▼

Release date ≈ Q1 2021.

Average Bench: 174% (129th of 1072)

Based on 47 user benchmarks.  Model: KBG4AZNV256G KIOXIA
Poor: 94%Average: 174% Great: 230%

Popular builds with this SSD

Outstanding average bench

The Kbg4aznv256g KIOXIA 256GB averaged 73.9% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kbg4aznv256g KIOXIA 256GB near the top of the comparison list.

Strengths

Avg. 4K-64Thread Mixed IO Speed 544MB/s
Avg. 4K-64Thread Read Speed 958MB/s

Terrible consistency

The range of scores (95th - 5th percentile) for the Kbg4aznv256g KIOXIA 256GB is 137%. This is a particularly wide range which indicates that the Kbg4aznv256g KIOXIA 256GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Sustained Write Speed 481MB/s
Avg. 4K Random Write Speed 118MB/s
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Average Bench

(Based on 47 samples)
Rank 129174%
Min Avg Max
47.7 Read 1,133 1623
127 Write 1,016 1,517
151 Mixed 978 1,314
67.1 SusWrite 481 584
202% 902 MB/s
Min Avg Max
14.1 4K Read 46.9 60.1
41 4K Write 118 179
26.7 4K Mixed 62 82.2
213% 75.6 MB/s
Min Avg Max
100 DQ Read 958 1,458
69.6 DQ Write 536 817
62.6 DQ Mixed 544 718
459% 680 MB/s
User Benchmarks BenchSequentialRandom 4kDeep queue 4k
The fastest SSD (mainstream) averages a speed of 100%
85GB free (System drive)
Firmware: AEJA1104
SusWrite @10s intervals: 377 279 388 191 551 322 MB/s
207% Outstanding
Read 1,460
Write 1,320
Mixed 1,267
SusWrite 351
246% 1,099 MB/s
4K Read 57.1
4K Write 150
4K Mixed 75.2
262% 94.1 MB/s
DQ Read 1,305
DQ Write 764
DQ Mixed 432
483% 834 MB/s
205GB free (System drive)
Firmware: AEJA1103
SusWrite @10s intervals: 705 706 485 362 362 362 MB/s
121% Outstanding
Read 683
Write 843
Mixed 774
SusWrite 497
158% 699 MB/s
4K Read 34.7
4K Write 77.7
4K Mixed 47.1
154% 53.2 MB/s
DQ Read 492
DQ Write 202
DQ Mixed 380
272% 358 MB/s
202GB free (System drive)
Firmware: AEJA1103
SusWrite @10s intervals: 463 542 527 352 328 326 MB/s
118% Outstanding
Read 604
Write 754
Mixed 751
SusWrite 423
143% 633 MB/s
4K Read 37.7
4K Write 77.5
4K Mixed 46.9
158% 54 MB/s
DQ Read 582
DQ Write 268
DQ Mixed 443
324% 431 MB/s
204GB free (System drive)
Firmware: AEJA1103
SusWrite @10s intervals: 471 590 526 317 301 300 MB/s
117% Outstanding
Read 804
Write 779
Mixed 771
SusWrite 417
156% 693 MB/s
4K Read 34.7
4K Write 70.4
4K Mixed 44.1
146% 49.7 MB/s
DQ Read 421
DQ Write 204
DQ Mixed 364
256% 329 MB/s
131GB free (System drive)
Firmware: AEJA1103
SusWrite @10s intervals: 311 343 371 235 231 236 MB/s
88.3% Excellent
Read 285
Write 216
Mixed 349
SusWrite 288
64% 284 MB/s
4K Read 29.6
4K Write 53.8
4K Mixed 37.9
122% 40.4 MB/s
DQ Read 582
DQ Write 373
DQ Mixed 375
307% 443 MB/s
50GB free (System drive)
Firmware: AEJA1104
SusWrite @10s intervals: 245 297 236 138 119 94 MB/s
35.7% Below average
Read 291
Write 327
Mixed 321
SusWrite 188
64% 282 MB/s
4K Read 5.4
4K Write 10
4K Mixed 10.3
27% 8.57 MB/s
DQ Read 94.9
DQ Write 82.9
DQ Mixed 98.5
71% 92.1 MB/s
47 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 75,802,143 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 KIOXIA 256GB Builds (Compare 54 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 8%
Tree trunk
Desktop
Desktop 56%
Gunboat
Workstation
Workstation 8%
Tree trunk

System: Fujitsu LIFEBOOK E5510

CPU
Core i5-10210UIntelBench 53%, 54,859 samples27x
Core i7-10610UIntelBench 64%, 3,304 samples13x
Core i7-10510UIntelBench 56%, 51,080 samples11x
GPU
UHD GraphicsIntelBench 5%, 110,580 samples54x
SSD
KIOXIA 256GBKbg4aznv256gBench 174%, 47 samples1x
RAM
M471A4G43AB1-CWE 1x31GBSamsungBench 48%, 1,553 samples10x
M471A1K43DB1-CTD 1x8GBSamsungBench 40%, 54,121 samples10x
HMA81GS6CJR8N-VK 1x8GBHynixBench 40%, 73,050 samples4x
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Popular KIOXIA 256GB systems:

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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How it works

  • - Download and run UserBenchmark
  • - CPU tests include: integer, floating and string
  • - GPU tests include: six 3D game simulations
  • - Drive tests include: read, write, sustained write and mixed IO
  • - RAM tests include: single/multi core bandwidth and latency
  • - SkillBench (space shooter) tests user input accuracy
  • - Reports are generated and presented on userbenchmark.com
  • - Identify the strongest components in your PC
  • - See speed test results from other users
  • - Compare your components to the current market leaders
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Solid State Drive Rankings (Price vs Performance) May 2024 SSD Rankings

Welcome to our 2.5" and M.2 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]

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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.

 Comments

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Speed Comparisons

vs Crucial MX500 250GB
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vs Samsung 860 Evo 250GB
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1072 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 »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $254Nvidia RTX 4060 $300Crucial MX500 250GB $39
Intel Core i5-12400F $133Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $163Nvidia RTX 4070 $539Samsung 860 Evo 250GB $52
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $31Corsair Vengeance LPX DDR4 3000 C15 2x8GB $37SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
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