Average Bench: 51.7% (88th of 108)

Based on 544 user benchmarks.  Model: Unknown 12x4GB

Average average bench

The Unknown 12x4GB averaged 48.2% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. 16 Core Read Bench 23.4GB/s
Avg. 16 Core Mixed IO Bench 20.9GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Unknown 12x4GB is 26.8%. This is a relatively narrow range which indicates that the Unknown 12x4GB performs reasonably consistently under varying real world conditions.


Avg. 1 Core Write Bench 5.28GB/s
Avg. 1 Core Mixed IO Bench 7.32GB/s

Average Bench

(Based on 544 samples)
Min Avg Max
14.2 MC Read 23.4 29.5
9.42 MC Write 15.2 17.4
12.9 MC Mixed 20.9 26.7
56.7% 19.8 GB/s
Min Avg Max
6.2 SC Read 9.12 11.8
3.4 SC Write 5.28 7.7
5.1 SC Mixed 7.32 9.6
20.7% 7.24 GB/s
Min Avg Max
60.3 Latency 89.8 133
44.5% 89.8 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
12 of 12 slots used
MC Read 28.9
MC Write 15.5
MC Mixed 25.4
66% 23.3 GB/s
SC Read 8.2
SC Write 3.4
SC Mixed 6.8
18% 6.13 GB/s
Latency 60.4
66% 60.4 ns
12 of 12 slots used
48GB DIMM DDR3 clocked @ 1333 MHz
MC Read 22.5
MC Write 16.9
MC Mixed 19.8
56% 19.7 GB/s
SC Read 9.8
SC Write 5.3
SC Mixed 7.4
21% 7.5 GB/s
Latency 72.8
55% 72.8 ns
12 of 12 slots used
48GB DIMM DDR3 clocked @ 1333 MHz
MC Read 22.6
MC Write 16.7
MC Mixed 19.7
56% 19.7 GB/s
SC Read 9.7
SC Write 5.4
SC Mixed 6.9
21% 7.33 GB/s
Latency 72.5
55% 72.5 ns
12 of 12 slots used
MC Read 17.9
MC Write 16.8
MC Mixed 16.4
49% 17 GB/s
SC Read 11.3
SC Write 7.9
SC Mixed 6.8
25% 8.67 GB/s
Latency 64.5
62% 64.5 ns
544 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,169,599 RAM Kits tested.

Typical 12x4GB Builds (Compare 2,754 builds) See popular component choices, score breakdowns and rankings.
Gaming 16%
Desktop 48%
Workstation 49%

System: Dell Precision WorkStation T7500

EDIT WITH CUSTOM PC BUILDER Value: 23% - Poor Total price: $107

Popular 12x4GB systems:

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

Welcome to our freeware 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 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.
  • - Reports are generated and presented on userbenchmark.com.
  • - Identify the strongest components in your PC.
  • - See speed test results from other users.
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Memory Kit Rankings (Price vs Performance) November 2019 RAM Rankings.

We calculate effective RAM speed which measures performance for typical desktop users. Effective speed is adjusted by current cost per GB to yield value for money. 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 Memory Kits. [RAMPro]


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.


108 Memory Kits (Compared) Thousands of user benchmarks compiled into one comparison list.

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

 Frequently Asked Questions

 Best User Rated

The Best.
Intel Core i5-9400F $148Nvidia GTX 1660S (Super) $240Crucial MX500 250GB $45
Intel Core i5-9600K $210AMD RX 580 $170Samsung 850 Evo 120GB $150
Intel Core i7-9700K $334Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $51
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $85Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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