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Unknown

40GB

▲ 502 ▼

Release date ≤ Q4 2015.

Average Bench: 21.1% (113th of 113)

Based on 8,456 user benchmarks.  Model: Unknown 40GB
Poor: 12%Average: 21.1% Great: 47%

Popular builds with this RAM

Very poor average bench

The Unknown 40GB averaged 78.9% 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 112ns
Avg. 16 Core Read Bench 7.39GB/s

Above average consistency

The range of scores (95th - 5th percentile) for the Unknown 40GB is 35.3%. This is a relatively wide range which indicates that the Unknown 40GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 5.04GB/s
Avg. 1 Core Mixed IO Bench 5.44GB/s
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Average Bench

(Based on 8,456 samples)
Rank 11321.1%
Min Avg Max
3.64 MC Read 7.39 18
3.3 MC Write 6.83 15.3
3.4 MC Mixed 6.62 18.2
19.8% 6.95 GB/s
Min Avg Max
2.1 SC Read 5.04 9.9
2.7 SC Write 5.55 9.3
1.84 SC Mixed 5.44 10.4
15.3% 5.34 GB/s
Min Avg Max
74.3 Latency 112 171
35.9% 112 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
null MHz
1024, 1024, 1024, 1024, 36864 MB
21.3% Poor
MC Read 7.6
MC Write 6.6
MC Mixed 6.3
20% 6.83 GB/s
SC Read 5.7
SC Write 6.4
SC Mixed 6.6
18% 6.23 GB/s
Latency 102
39% 102 ns
null MHz
1024, 1024, 1024, 1024, 36864 MB
21.3% Poor
MC Read 7.3
MC Write 6.6
MC Mixed 6.1
19% 6.67 GB/s
SC Read 5.9
SC Write 6.6
SC Mixed 6.6
18% 6.37 GB/s
Latency 93.1
43% 93.1 ns
null MHz
2048, 2048, 36864 MB
20.4% Poor
MC Read 7.1
MC Write 6.4
MC Mixed 6.2
19% 6.57 GB/s
SC Read 5.7
SC Write 5.7
SC Mixed 5
16% 5.47 GB/s
Latency 99.9
40% 99.9 ns
null MHz
2048, 2048, 36864 MB
19.8% Very poor
MC Read 6.6
MC Write 6.1
MC Mixed 5.8
18% 6.17 GB/s
SC Read 5.4
SC Write 6
SC Mixed 6.6
17% 6 GB/s
Latency 99.5
40% 99.5 ns
null MHz
1024, 1024, 1024, 1024, 36864 MB
18.3% Very poor
MC Read 6.3
MC Write 5.3
MC Mixed 5.4
16% 5.67 GB/s
SC Read 4.4
SC Write 5.2
SC Mixed 6.3
15% 5.3 GB/s
Latency 101
40% 101 ns
null MHz
2048, 2048, 36864 MB
17.9% Very poor
MC Read 6.3
MC Write 5.1
MC Mixed 5.2
16% 5.53 GB/s
SC Read 5.2
SC Write 5.2
SC Mixed 5.9
16% 5.43 GB/s
Latency 107
37% 107 ns
null MHz
1024, 1024, 1024, 1024, 36864 MB
17.6% Very poor
MC Read 6.1
MC Write 5.5
MC Mixed 5.5
16% 5.7 GB/s
SC Read 4.6
SC Write 5.3
SC Mixed 4.6
14% 4.83 GB/s
Latency 124
32% 124 ns
null MHz
1024, 1024, 1024, 1024, 36864 MB
13% Very poor
MC Read 3
MC Write 4.7
MC Mixed 3.8
11% 3.83 GB/s
SC Read 3.2
SC Write 5.2
SC Mixed 4.6
12% 4.33 GB/s
Latency 133
30% 133 ns
8,456 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 44,316,844 RAM Kits 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 40GB Builds (Compare 997 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 4%
Tree trunk
Desktop
Desktop 44%
Speed boat
Workstation
Workstation 4%
Tree trunk

System: HP Compaq dc7900 Small Form Factor

CPU
Core2 Duo E8400Intel  $79Bench 44%, 66,787 samples516x
Core2 Duo E8500Intel  $130Bench 44%, 17,725 samples100x
Core2 Quad Q9400Intel  $170Bench 49%, 23,291 samples53x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 13,830 samples613x
GeForce GT 710NvidiaBench 3%, 150,829 samples43x
GeForce 210NvidiaBench 1%, 75,642 samples34x
SSD
A400 120GBKingston  $28Bench 59%, 135,709 samples31x
A400 240GBKingston  $31Bench 65%, 324,659 samples27x
Green 240GB (2018)WD  $45Bench 45%, 144,614 samples12x
RAM
40GBUnknownBench 21%, 8,456 samples465x
EDIT WITH CUSTOM PC BUILDER Value: 49% - Average Total price: $107

Popular 40GB systems:

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

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  • - 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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  • - Reports are generated and presented on userbenchmark.com.
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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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-11400F $260Nvidia RTX 3060-Ti $400Crucial MX500 250GB $45
Intel Core i5-11600K $270Nvidia RTX 3070 $500Samsung 860 Evo 250GB $52
Intel Core i7-10700K $320Nvidia GTX 1660S (Super) $240Samsung 850 Evo 120GB $78
HDDRAMUSB
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WD Blue 1TB (2012) $29Corsair Vengeance LPX DDR4 3000 C15 2x8GB $94SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $80G.SKILL Trident Z DDR4 3200 C14 4x16GB $649SanDisk Ultra Fit 32GB $16
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