Average Bench: 30.4% (111th of 113)

Based on 1,324 user benchmarks.  Model: Kingston ACR256X64D3U1333C9 2x2GB

Poor average bench

The Kingston ACR256X64D3U1333C9 2x2GB averaged 69.6% 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.

Strengths

Avg. Physical RAM Latency 97.8ns
Avg. 16 Core Read Bench 11.1GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Kingston ACR256X64D3U1333C9 2x2GB is 38.8%. This is a relatively wide range which indicates that the Kingston ACR256X64D3U1333C9 2x2GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 7.85GB/s
Avg. 1 Core Write Bench 7.95GB/s
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Average Bench

(Based on 1,324 samples)
Min Avg Max
4.9 MC Read 11.1 18.5
3.7 MC Write 9.37 18.8
3.9 MC Mixed 10.4 16.7
29.3% 10.3 GB/s
Min Avg Max
3.14 SC Read 7.85 14.4
3.1 SC Write 7.95 16.4
2.85 SC Mixed 8.61 16.4
23.2% 8.14 GB/s
Min Avg Max
63.3 Latency 97.8 151
40.9% 97.8 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
2 of 2 slots used
4GB DIMM DDR3 1333 MHz
MC Read 17.9
MC Write 18.5
MC Mixed 16.3
50% 17.6 GB/s
SC Read 13.2
SC Write 15.2
SC Mixed 16
42% 14.8 GB/s
Latency 70.2
57% 70.2 ns
2 of 4 slots used
4GB DIMM DDR3 1334 MHz
MC Read 9.9
MC Write 8.9
MC Mixed 13
30% 10.6 GB/s
SC Read 7.4
SC Write 6.6
SC Mixed 8.4
21% 7.47 GB/s
Latency 96.8
41% 96.8 ns
2 of 4 slots used
4GB DIMM DDR3 1333 MHz
MC Read 9.5
MC Write 8.5
MC Mixed 13.2
30% 10.4 GB/s
SC Read 8
SC Write 6.1
SC Mixed 7.2
20% 7.1 GB/s
Latency 100
40% 100 ns
2 of 4 slots used
4GB DIMM DDR3 1333 MHz
MC Read 12.7
MC Write 7
MC Mixed 10.7
29% 10.1 GB/s
SC Read 6.8
SC Write 5.9
SC Mixed 8.2
20% 6.97 GB/s
Latency 92.6
43% 92.6 ns
2 of 4 slots used
4GB DIMM DDR3 1333 MHz
MC Read 11.8
MC Write 6.4
MC Mixed 10.4
27% 9.53 GB/s
SC Read 6.6
SC Write 5.5
SC Mixed 8.5
20% 6.87 GB/s
Latency 114
35% 114 ns
2 of 2 slots used
4GB DIMM DDR3 clocked @ 1333 MHz
MC Read 12.3
MC Write 6.5
MC Mixed 9.2
27% 9.33 GB/s
SC Read 8
SC Write 8.6
SC Mixed 9.3
25% 8.63 GB/s
Latency 601
7% 601 ns
2 of 2 slots used
4GB DIMM DDR3 1066 MHz
MC Read 7.8
MC Write 4.8
MC Mixed 6.8
18% 6.47 GB/s
SC Read 4.2
SC Write 4.6
SC Mixed 4.5
13% 4.43 GB/s
Latency 55.5
72% 55.5 ns
2 of 2 slots used
4GB DIMM DDR3 1067 MHz
MC Read 7.2
MC Write 5.1
MC Mixed 5.5
17% 5.93 GB/s
SC Read 5.9
SC Write 5.3
SC Mixed 5.5
16% 5.57 GB/s
Latency 104
39% 104 ns
2 of 2 slots used
4GB DIMM DDR3 1333 MHz
MC Read 3.9
MC Write 3.2
MC Mixed 4.4
11% 3.83 GB/s
SC Read 1.9
SC Write 1.9
SC Mixed 1.9
5% 1.9 GB/s
Latency 252
16% 252 ns
1,324 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,279,789 RAM Kits tested.

Typical ACR256X64D3U1333C9 2x2GB Builds (Compare 396 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 2%
Tree trunk
Desktop
Desktop 55%
Gunboat
Workstation
Workstation 2%
Tree trunk

System: Acer Aspire X3990

EDIT WITH CUSTOM PC BUILDER Value: 62% - Good Total price: $151

Popular ACR256X64D3U1333C9 2x2GB systems:

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  • - 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.
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Memory Kit Rankings (Price vs Performance) July 2021 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.
  • 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

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.
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Intel Core i5-11600K $270Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-10700K $304Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
HDDRAMUSB
Seagate Barracuda 1TB (2016) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $79SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $85SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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