Average Bench: 137% (1st of 113)

Based on 189 user benchmarks.  Model: Crucial 8G48C40U5.M4A1 2x8GB

Outstanding average bench

The Crucial 8G48C40U5.M4A1 2x8GB averaged 37.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Crucial 8G48C40U5.M4A1 2x8GB near the top of the comparison list.


Avg. 16 Core Read Bench 58.9GB/s
Avg. 16 Core Write Bench 50.1GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Crucial 8G48C40U5.M4A1 2x8GB is 30.6%. This is a relatively narrow range which indicates that the Crucial 8G48C40U5.M4A1 2x8GB performs reasonably consistently under varying real world conditions.


Avg. Physical RAM Latency 87ns
Avg. 1 Core Read Bench 18.7GB/s

Average Bench

(Based on 189 samples)
Min Avg Max
49.7 MC Read 58.9 65.6
44.4 MC Write 50.1 54.5
44.8 MC Mixed 49.8 54.5
151% 53 GB/s
Min Avg Max
14.4 SC Read 18.7 22.3
39.4 SC Write 47.1 53.1
20.3 SC Mixed 25.9 30.9
87.4% 30.6 GB/s
Min Avg Max
75.7 Latency 87 98.6
46% 87 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
16GB DIMM 22h clocked @ 5400 MHz
MC Read 67.3
MC Write 57.3
MC Mixed 57.2
173% 60.6 GB/s
SC Read 22.2
SC Write 48.8
SC Mixed 31
97% 34 GB/s
Latency 76.5
52% 76.5 ns
2 of 4 slots used
16GB DIMM 22h clocked @ 4800 MHz
MC Read 61.5
MC Write 51.1
MC Mixed 51.2
156% 54.6 GB/s
SC Read 17.9
SC Write 49.5
SC Mixed 25
88% 30.8 GB/s
Latency 88.6
45% 88.6 ns
2 of 4 slots used
16GB DIMM 22h clocked @ 4800 MHz
MC Read 61.5
MC Write 50.1
MC Mixed 49.5
153% 53.7 GB/s
SC Read 16.9
SC Write 46
SC Mixed 24.1
83% 29 GB/s
Latency 87.2
46% 87.2 ns
2 of 4 slots used
16GB DIMM 22h clocked @ 4800 MHz
MC Read 55.6
MC Write 48.5
MC Mixed 47.9
145% 50.7 GB/s
SC Read 19
SC Write 46.4
SC Mixed 24.8
86% 30.1 GB/s
Latency 82.6
48% 82.6 ns
189 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 51,945,344 RAM Kits tested.

Typical 8G48C40U5.M4A1 2x8GB Builds (Compare 1,695 builds) See popular component choices, score breakdowns and rankings.
Gaming 257%
Desktop 113%
Workstation 293%

Motherboard: Asus PRIME Z690-A

EDIT WITH CUSTOM PC BUILDER Value: 64% - Good Total price: $1,694

Popular 8G48C40U5.M4A1 2x8GB compatible motherboards:

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.

UserBenchmark of the month

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.
  • - Explore your best upgrade options with a virtual PC build.
  • - Compare your in-game FPS to other users with your hardware.
Memory Kit Rankings (Price vs Performance) May 2022 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.


113 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 i5-12600K $278Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-12400F $160Nvidia RTX 3050 $250Samsung 850 Evo 120GB $200
Intel Core i7-12700K $334Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3200 C16 2x8GB $68SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $32Corsair Vengeance LPX DDR4 3000 C15 2x8GB $72SanDisk Extreme 32GB $28
Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $470SanDisk Ultra Fit 32GB $16
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