TEST
YOUR RAM
ADD TO PC
BUILD

Samsung

M393A2K40CB2-CTD 4x16GB

▲ 500 ▼

Release date ≈ Q1 2018.

Average Bench: 79.6% (59th of 115)

Based on 161 user benchmarks.  Model: Samsung M393A2K40CB2-CTD 4x16GB
Poor: 45%Average: 79.6% Great: 123%

Popular builds with this RAM

Good average bench

The Samsung M393A2K40CB2-CTD 4x16GB averaged 20.4% lower than the peak scores attained by the group leaders. This is an excellent result which ranks the Samsung M393A2K40CB2-CTD 4x16GB near the top of the comparison list.

Strengths

Avg. 16 Core Write Bench 38.5GB/s
Avg. 16 Core Read Bench 29.2GB/s

Very poor consistency

The range of scores (95th - 5th percentile) for the Samsung M393A2K40CB2-CTD 4x16GB is 78.1%. This is a particularly wide range which indicates that the Samsung M393A2K40CB2-CTD 4x16GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. 1 Core Read Bench 9.73GB/s
Avg. 1 Core Mixed IO Bench 11.9GB/s
ADVERTISEMENT

Average Bench

(Based on 161 samples)
Rank 5979.6%
Min Avg Max
18.6 MC Read 29.2 58.4
10.3 MC Write 38.5 53.4
14 MC Mixed 25.5 42.8
88.8% 31.1 GB/s
Min Avg Max
6.64 SC Read 9.73 15.6
6.3 SC Write 17.5 23.1
6.4 SC Mixed 11.9 20.7
37.3% 13.1 GB/s
Min Avg Max
70.5 Latency 92.1 143
43.4% 92.1 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
4 of 24 slots used
64GB DIMM DDR4 clocked @ 2666 MHz
114% Outstanding
MC Read 44
MC Write 52.3
MC Mixed 41.6
131% 46 GB/s
SC Read 10.6
SC Write 19.6
SC Mixed 16.1
44% 15.4 GB/s
Latency 96.7
41% 96.7 ns
4 of 12 slots used
64GB DIMM DDR4 clocked @ 2666 MHz
114% Outstanding
MC Read 42.7
MC Write 58.3
MC Mixed 37.5
132% 46.2 GB/s
SC Read 7.9
SC Write 19.6
SC Mixed 10.4
36% 12.6 GB/s
Latency 83.6
48% 83.6 ns
4 of 8 slots used
64GB DIMM DDR4 2666 MHz clocked @ 2400 MHz
113% Outstanding
MC Read 47.9
MC Write 46
MC Mixed 39.7
127% 44.5 GB/s
SC Read 13.8
SC Write 19.8
SC Mixed 20
51% 17.9 GB/s
Latency 72.7
55% 72.7 ns
4 of 8 slots used
64GB DIMM DDR4 clocked @ 2666 MHz
97.6% Outstanding
MC Read 35
MC Write 50.9
MC Mixed 30.6
111% 38.8 GB/s
SC Read 8.6
SC Write 21.5
SC Mixed 11.1
39% 13.7 GB/s
Latency 82.5
48% 82.5 ns
4 of 8 slots used
64GB DIMM DDR4 clocked @ 2666 MHz
82.5% Excellent
MC Read 23.3
MC Write 49.2
MC Mixed 24.9
93% 32.5 GB/s
SC Read 7.9
SC Write 21.1
SC Mixed 10.1
37% 13 GB/s
Latency 94.9
42% 94.9 ns
4 of 16 slots used
64GB DIMM DDR4 2667 MHz clocked @ 2400 MHz
63.7% Good
MC Read 35.5
MC Write 15.4
MC Mixed 17.9
66% 22.9 GB/s
SC Read 13.3
SC Write 19.6
SC Mixed 18.2
49% 17 GB/s
Latency 75.6
53% 75.6 ns
4 of 16 slots used
64GB DIMM DDR4 2667 MHz clocked @ 2133 MHz
60.7% Good
MC Read 34.8
MC Write 16.5
MC Mixed 16.1
64% 22.5 GB/s
SC Read 11.4
SC Write 12.9
SC Mixed 16.3
39% 13.5 GB/s
Latency 81.4
49% 81.4 ns
4 of 24 slots used
64GB DIMM DDR4 clocked @ 2666 MHz
39.6% Below average
MC Read 18.2
MC Write 13.3
MC Mixed 11
40% 14.2 GB/s
SC Read 12.7
SC Write 7.7
SC Mixed 6.6
26% 9 GB/s
Latency 87
46% 87 ns
161 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 67,001,172 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 M393A2K40CB2-CTD 4x16GB Builds (Compare 3,025 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 36%
Jet ski
Desktop
Desktop 81%
Aircraft carrier
Workstation
Workstation 32%
Sail boat

System: HP Z4 G4 Workstation

CPU
Xeon W-2123IntelBench 70%, 2,702 samples628x
Xeon W-2133IntelBench 77%, 1,612 samples302x
Xeon W-2125IntelBench 78%, 1,514 samples290x
GPU
Quadro P2000NvidiaBench 41%, 13,958 samples366x
Quadro P4000NvidiaBench 67%, 12,628 samples340x
Quadro RTX 4000NvidiaBench 98%, 9,173 samples326x
SSD
MZVLB512HAJQ-000H2 512GBSamsungBench 240%, 2,013 samples271x
MZVLB1T0HBLR-000H1 1TBSamsungBench 264%, 8,018 samples218x
MZVLB512HBJQ-000H1 512GBSamsungBench 240%, 17,828 samples199x
RAM
M393A2K40CB2-CTD 4x16GBSamsungBench 80%, 161 samples1x
EDIT WITH CUSTOM PC BUILDER

Popular M393A2K40CB2-CTD 4x16GB systems:

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

Welcome to our 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 value for money upgrades.

UserBenchmark of the month

Gaming Desktop ProGaming

How it works

  • - 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
  • - SkillBench (space shooter) tests user input accuracy
  • - 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 current market leaders
  • - Explore your best upgrade options with a virtual PC build
  • - Compare your in-game FPS to other users with your hardware
Memory Kit Rankings (Price vs Performance) April 2024 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]

ADVERTISEMENT

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

Added n/a ago.
Your
opinion?
▲Like ▼Dislike
Ready to retire
Age: 6 years

Speed Comparisons

vs Corsair Vengeance LPX DDR4 3200 C16 2x8GB
vs Corsair Vengeance LPX DDR4 3000 C15 2x8GB
vs G.SKILL Trident Z DDR4 3200 C14 4x16GB
vs G.SKILL Trident Z DDR4 3600 C16 2x8GB
vs HyperX Fury DDR4 2133 C14 2x8GB
vs Corsair Vengeance LPX DDR4 2666 C16 2x8GB
vs Corsair Vengeance LPX DDR4 2133 C13 2x8GB
vs G.SKILL Trident Z DDR4 3200 C16 2x8GB
vs G.SKILL Ripjaws 4 DDR4 2400 C14 8x16GB

115 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

Computer Components FAQ
What is the UBM value for money rating?
What is UBM Effective Speed?
Thunderbolt speed?
Are USB 3.0 cables different?
USB 3.0 vs 2.0 speed difference?
Why buy USB 3.0 today?
USB 3.0 / 4.0 release dates and max speeds?
Graphics Cards
How to force Optimus or Switchable discrete GPUs?
What are the UBM DX11 GPU tests?
What are the UBM DX10 GPU tests?
What are the UBM DX09 GPU tests?
What is the Splatting GPU benchmark?
What is the Gravity (NBody) GPU benchmark?
Memory Kits
What is the RAM value for money rating?
What is the effective RAM speed index?
What is the system memory latency ladder?
ALL FAQs »

 Best User Rated
The Best.
CPUGPUSSD
Intel Core i5-13600K $279Nvidia RTX 4060 $300Crucial MX500 250GB $40
Intel Core i5-12400F $134Nvidia RTX 4060-Ti $385Samsung 850 Evo 120GB $80
Intel Core i5-12600K $184Nvidia RTX 4070 $409Samsung 860 Evo 250GB $46
HDDRAMUSB
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3200 C16 2x8GB $40SanDisk Extreme 64GB $72
WD Blue 1TB (2012) $35Corsair Vengeance LPX DDR4 3000 C15 2x8GB $43SanDisk Extreme 32GB $28
Seagate Barracuda 2TB (2016) $51G.SKILL Trident Z DDR4 3200 C14 4x16GB $351SanDisk Ultra Fit 32GB $16
If you make a purchase via one of these links, our site may earn a commission
Today's hottest
Amazon Ebay
deals
CPU GPU SSD HDD USB RAM MBD
Build Test EFps
Can You Run It?
►
YouTube
*NEW*
About  •  User Guide  •  FAQs  •  Email  •  Privacy  •  Developer  •  YouTube Feedback