CrucialBLS2K8G4D240FS(B|C|E)
CorsairCMD64GX4M4B3000C15
$530
Real World Speed
Performance profile from 2,720 user samples
2,677 User Benchmarks
Best Bench: 88% @ 3000 MHz
Worst Bench: 46% @ 2400 MHz
Poor: 46% Great: 88%
SPEED RANK: 52nd / 104
43 User Benchmarks
Best Bench: 152% @ 3000 MHz
Worst Bench: 72% @ 2133 MHz
Poor: 72% Great: 152%
SPEED RANK: 5th / 104
Effective Speed
Effective RAM Speed
79.1 % 105 % Much faster effective speed.
+33%
MC Read
Avg. 16 Core Read Bench
28.7 GB/s 40.5 GB/s Much faster multi-core read.
+41%
MC Write
Avg. 16 Core Write Bench
30.2 GB/s 41.6 GB/s Much faster multi-core write.
+38%
MC Mixed
Avg. 16 Core Mixed IO Bench
25.6 GB/s 38.2 GB/s Much faster multi-core mixed.
+49%
MC Read
16 Core Read Bench
33 GB/s 64.3 GB/s Hugely faster multi-core read.
+95%
MC Write
16 Core Write Bench
33.6 GB/s 65.2 GB/s Hugely faster multi-core write.
+94%
MC Mixed
16 Core Mixed IO Bench
29.2 GB/s 61.5 GB/s Hugely faster multi-core mixed.
+111%
Market Share
Based on 7,820,557 RAM Kits tested.
Market Share
Market Share (trailing 30 days)
0.04 % Insanely higher market share.
+∞%
0 %
Value
Value For Money
75.9 % 109 % Much better value.
+44%
User Rating
UBM User Rating
59 % 63 % Slightly more popular.
+7%
Price
Price (score)
$165 Much cheaper.
+69%
$530
Age
Newest
27 Months Slightly more recent.
+10%
30 Months
SC Read
Avg. 1 Core Read Bench
17.5 GB/s Slightly faster single-core read.
+7%
16.3 GB/s
SC Write
Avg. 1 Core Write Bench
30.1 GB/s Faster single-core write.
+19%
25.4 GB/s
SC Mixed
Avg. 1 Core Mixed IO Bench
23.7 GB/s +3% 23.1 GB/s
SC Read
1 Core Read Bench
21.1 GB/s 22.1 GB/s +5%
SC Write
1 Core Write Bench
34.6 GB/s 43.6 GB/s Faster single-core write.
+26%
SC Mixed
1 Core Mixed IO Bench
27.6 GB/s 32 GB/s Faster single-core mixed.
+16%
Latency
Avg. Physical RAM Latency
69.2 ns 62.4 ns Slightly lower access latency.
+10%
Latency
Physical RAM Latency
59.6 ns 53.5 ns Slightly lower access latency.
+10%
Capacity
Capacity
16GB 64GB
Memory Kit Rankings (Price vs Performance) April 2018 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]

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Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.
  • Best value for money - Value for money is based on real world performance and price per GB.
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 (UBM).
  • - CPU tests include: integer, floating and string.
  • - GPU tests include: six 3D game simulations.
  • - Drive tests include: read, write and mixed IO.
  • - Checks include: 4k Align, NCQ, TRIM, SATA, USB & S.M.A.R.T.
  • - 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.
  • - Compare your components to the highest voted in class.
  • - Find the best upgrades.
  • - Share your opinion by voting.

 Frequently Asked Questions

 Best User Rated

The Best.
CPUGPUSSD
Intel Core i7-8700K $330Nvidia GTX 1070 $447Samsung 850 Evo 250GB $80
AMD Ryzen 5 1600 $170Nvidia GTX 1060-6GB $310Samsung 850 Evo 500GB $137
Intel Core i7-7700K $290AMD RX 480 $350Samsung 850 Pro 256GB $163
HDDRAMUSB
Seagate Barracuda 1TB (2016) $44Corsair Vengeance LPX DDR4 3000 C15 2x8GB $190SanDisk Extreme 64GB $70
Seagate Barracuda 3TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $957SanDisk Extreme 32GB $45
Seagate Barracuda 2TB (2016) $60Corsair Vengeance LPX DDR4 3200 C16 2x8GB $204SanDisk Ultra Fit 32GB $12
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