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Samsung

M391A4G43MB1-CTD 2x31.5GB

▲ 500 ▼

Release date ≈ Q4 2019.

Average Bench: 85.2% (30th of 115)

Based on 41 user benchmarks.  Model: Samsung M391A4G43MB1-CTD 2x31.5GB
Poor: 60%Average: 85.2% Great: 133%

Popular builds with this RAM

Very good average bench

The Samsung M391A4G43MB1-CTD 2x31.5GB averaged just 14.8% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung M391A4G43MB1-CTD 2x31.5GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 37.1GB/s
Avg. 16 Core Mixed IO Bench 29.4GB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Samsung M391A4G43MB1-CTD 2x31.5GB is 73.2%. This is a particularly wide range which indicates that the Samsung M391A4G43MB1-CTD 2x31.5GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 92ns
Avg. 1 Core Read Bench 20.6GB/s
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Average Bench

(Based on 41 samples)
Rank 3085.2%
Min Avg Max
16.9 MC Read 37.1 111
14.3 MC Write 27.3 36.9
14.3 MC Mixed 29.4 39.5
89.3% 31.3 GB/s
Min Avg Max
10.6 SC Read 20.6 27.6
11.2 SC Write 23.6 37.2
12.2 SC Mixed 27.7 35.2
68.5% 24 GB/s
Min Avg Max
64.8 Latency 92 167
43.5% 92 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
63GB DIMM DDR4 clocked @ 2667 MHz
133% Outstanding
MC Read 87
MC Write 33.5
MC Mixed 35
148% 51.8 GB/s
SC Read 26.6
SC Write 20.3
SC Mixed 32.9
76% 26.6 GB/s
Latency 77.6
52% 77.6 ns
2 of 4 slots used
63GB DIMM DDR4 clocked @ 2667 MHz
115% Outstanding
MC Read 66.1
MC Write 32.3
MC Mixed 32.9
125% 43.8 GB/s
SC Read 26.1
SC Write 19.8
SC Mixed 32.5
75% 26.1 GB/s
Latency 82.4
48% 82.4 ns
2 of 4 slots used
63GB DIMM DDR4 clocked @ 2666 MHz
89.4% Excellent
MC Read 35.7
MC Write 31.7
MC Mixed 32.3
95% 33.2 GB/s
SC Read 23.1
SC Write 19.4
SC Mixed 29.4
68% 24 GB/s
Latency 96.8
41% 96.8 ns
2 of 4 slots used
63GB DIMM DDR4 clocked @ 2667 MHz
84.1% Excellent
MC Read 31.1
MC Write 33.3
MC Mixed 25.9
86% 30.1 GB/s
SC Read 16.9
SC Write 34.1
SC Mixed 26.1
73% 25.7 GB/s
Latency 74.2
54% 74.2 ns
2 of 4 slots used
63GB DIMM DDR4 clocked @ 2666 MHz
81.5% Excellent
MC Read 32.2
MC Write 28.3
MC Mixed 29.4
86% 30 GB/s
SC Read 22.5
SC Write 19.6
SC Mixed 28.8
68% 23.6 GB/s
Latency 112
36% 112 ns
2 of 4 slots used
63GB DIMM DDR4 clocked @ 2666 MHz
63.4% Good
MC Read 27.7
MC Write 18.9
MC Mixed 28.3
71% 25 GB/s
SC Read 10.6
SC Write 11.2
SC Mixed 12.2
32% 11.3 GB/s
Latency 167
24% 167 ns
2 of 4 slots used
63GB DIMM DDR4 clocked @ 2667 MHz
48.8% Average
MC Read 17.1
MC Write 19.5
MC Mixed 16.5
51% 17.7 GB/s
SC Read 8.3
SC Write 21.4
SC Mixed 12
40% 13.9 GB/s
Latency 132
30% 132 ns
41 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,175,469 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 M391A4G43MB1-CTD 2x31.5GB Builds (Compare 1,755 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 92%
Nuclear submarine
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 91%
Nuclear submarine

Motherboard: Asus CROSSHAIR VI HERO - $227

CPU
Ryzen 7 1800XAMD  $235Bench 72%, 30,050 samples278x
Ryzen 7 1700XAMD  $211Bench 71%, 66,470 samples206x
Ryzen 7 2700XAMD  $210Bench 76%, 159,077 samples191x
GPU
GTX 1080-TiNvidia  $485Bench 124%, 840,268 samples193x
GTX 1080Nvidia  $195Bench 102%, 1,082,454 samples157x
GTX 1070Nvidia  $132Bench 80%, 1,459,281 samples116x
SSD
960 Evo NVMe PCIe M.2 500GBSamsung  $43Bench 213%, 165,668 samples88x
960 Evo NVMe PCIe M.2 250GBSamsung  $45Bench 199%, 240,629 samples60x
970 Evo Plus NVMe PCIe M.2 1TBSamsung  $90Bench 310%, 455,997 samples53x
RAM
M391A4G43MB1-CTD 2x31.5GBSamsungBench 85%, 41 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 66% - Good Total price: $990

Popular M391A4G43MB1-CTD 2x31.5GB compatible motherboards:

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  • 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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