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Unknown

40GB

▲ 500 ▼

Release date ≤ Q4 2015.

VS

Average Bench: 20.2% (105th of 105)

Based on 4,268 user benchmarks.  Model: Unknown 40GB
Poor: 12%Average: 20.2% Great: 39%

Popular builds with this RAM

Very poor average bench

The Unknown 40GB averaged 79.8% 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 106ns
Avg. 16 Core Read Bench 6.94GB/s

Good consistency

The range of scores (95th - 5th percentile) for the Unknown 40GB is 26.7%. This is a relatively narrow range which indicates that the Unknown 40GB performs reasonably consistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 4.97GB/s
Avg. 1 Core Mixed IO Bench 5.47GB/s
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Average Bench

(Based on 4,268 samples)
Rank 10520.2%
Min Avg Max
3.84 MC Read 6.94 14.8
3.4 MC Write 6.38 12.2
3.5 MC Mixed 6.2 12.2
18.6% 6.51 GB/s
Min Avg Max
2.3 SC Read 4.97 8.98
2.74 SC Write 5.59 8.9
2.8 SC Mixed 5.47 10.7
15.3% 5.34 GB/s
Min Avg Max
70.2 Latency 106 149
37.6% 106 ns
User Benchmarks Bench Multi core Single core Latency
The fastest RAM (mainstream) averages a speed of 100%
null MHz
8192, 8192, 8192, 8192, 4096, 4096 MB
35.5% Below average
MC Read 13.3
MC Write 11.8
MC Mixed 10.4
34% 11.8 GB/s
SC Read 9.4
SC Write 9.4
SC Mixed 9.6
27% 9.47 GB/s
Latency 69.5
58% 69.5 ns
null MHz
1024, 1024, 1024, 1024, 36864 MB
21.8% Poor
MC Read 7.5
MC Write 6.6
MC Mixed 6.4
20% 6.83 GB/s
SC Read 6.2
SC Write 6.6
SC Mixed 6.6
18% 6.47 GB/s
Latency 89.4
45% 89.4 ns
null MHz
2048, 2048, 36864 MB
19.3% Very poor
MC Read 7.3
MC Write 5.8
MC Mixed 5.8
18% 6.3 GB/s
SC Read 4.3
SC Write 3.5
SC Mixed 5.3
12% 4.37 GB/s
Latency 97.7
41% 97.7 ns
null MHz
2048, 2048, 36864 MB
19.1% Very poor
MC Read 6.2
MC Write 5.8
MC Mixed 6
17% 6 GB/s
SC Read 3.3
SC Write 6.4
SC Mixed 5
14% 4.9 GB/s
Latency 93.2
43% 93.2 ns
null MHz
1024, 2048, 1024, 36864 MB
19% Very poor
MC Read 5.5
MC Write 6.4
MC Mixed 5.7
17% 5.87 GB/s
SC Read 4.8
SC Write 6.1
SC Mixed 5.7
16% 5.53 GB/s
Latency 95
42% 95 ns
null MHz
1024, 1024, 1024, 1024, 36864 MB
18.8% Very poor
MC Read 6.5
MC Write 6.1
MC Mixed 5.9
18% 6.17 GB/s
SC Read 3.8
SC Write 4.5
SC Mixed 4.3
12% 4.2 GB/s
Latency 103
39% 103 ns
null MHz
2048, 2048, 36864 MB
18.7% Very poor
MC Read 6.7
MC Write 5.3
MC Mixed 5.4
16% 5.8 GB/s
SC Read 5.3
SC Write 5.5
SC Mixed 6.1
16% 5.63 GB/s
Latency 103
39% 103 ns
null MHz
1024, 1024, 1024, 1024, 36864 MB
13.4% Very poor
MC Read 5.2
MC Write 3.3
MC Mixed 3.5
11% 4 GB/s
SC Read 3.9
SC Write 2.8
SC Mixed 4.3
10% 3.67 GB/s
Latency 114
35% 114 ns
4,268 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 12,230,054 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 1,194 builds) See popular component choices, score breakdowns and rankings.
Gaming
Gaming 11%
Tree trunk
Desktop
Desktop 31%
Sail boat
Workstation
Workstation 19%
Surfboard

System: HP Compaq dc7900 Small Form Factor

CPU
Core2 Duo E8400Intel  $41Bench 24%, 31,771 samples619x
Core2 Duo E8500Intel  $48Bench 25%, 9,647 samples105x
Core2 Quad Q9400Intel  $170Bench 34%, 10,266 samples104x
GPU
Q45/Q43 Express ChipsetIntelBench 1%, 13,099 samples726x
GeForce 210NvidiaBench 1%, 31,727 samples42x
GeForce GT 710NvidiaBench 5%, 26,966 samples37x
SSD
SSDNow V300 120GBKingston  $65Bench 54%, 134,710 samples14x
A400 120GBKingston  $26Bench 58%, 18,028 samples13x
Fury 120GBHyperX  $64Bench 63%, 3,415 samples12x
RAM
40GBUnknownBench 20%, 4,268 samples590x
EDIT WITH CUSTOM PC BUILDER Value: 45% - Average Total price: $106

Popular 40GB systems:

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  • - CPU tests include: integer, floating and string.
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  • - Drive tests include: read, write, sustained write and mixed IO.
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Memory Kit Rankings (Price vs Performance) December 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.
  • 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

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105 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.

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 Best User Rated
The Best.
CPUGPUSSD
Intel Core i7-8700K $370Nvidia GTX 1070 $310Samsung 850 Evo 250GB $63
AMD Ryzen 5 1600 $150Nvidia GTX 1060-6GB $234Samsung 850 Evo 500GB $98
Intel Core i5-8600K $250Nvidia GTX 1080-Ti $808Samsung 850 Pro 256GB $163
HDDRAMUSB
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Seagate Barracuda 3TB (2016) $85G.SKILL Trident Z DDR4 3200 C14 4x16GB $830SanDisk Extreme 32GB $48
WD Blue 1TB (2012) $45Corsair Vengeance LPX DDR4 3200 C16 2x8GB $130SanDisk Ultra Fit 32GB $12
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