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Kingston

KF556C40-32 2x31.5GB

▲ 500 ▼

Release date ≈ Q1 2022.

Average Bench: 174% (1st of 115)

Based on 3,046 user benchmarks.  Model: Kingston KF556C40-32 2x31.5GB
Poor: 140%Average: 174% Great: 204%

Popular builds with this RAM

Outstanding average bench

The Kingston KF556C40-32 2x31.5GB averaged 74.3% higher than the peak scores attained by the group leaders. This is an excellent result which ranks the Kingston KF556C40-32 2x31.5GB near the top of the comparison list.

Strengths

Avg. 16 Core Read Bench 72.5GB/s
Avg. 16 Core Write Bench 65.8GB/s

Poor consistency

The range of scores (95th - 5th percentile) for the Kingston KF556C40-32 2x31.5GB is 63.9%. This is a particularly wide range which indicates that the Kingston KF556C40-32 2x31.5GB performs inconsistently under varying real world conditions.

Weaknesses

Avg. Physical RAM Latency 81ns
Avg. 1 Core Read Bench 28.3GB/s
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Average Bench

(Based on 3,046 samples)
Rank 1174%
Min Avg Max
52.8 MC Read 72.5 89.6
52.5 MC Write 65.8 75.6
51.3 MC Mixed 64.1 73.7
193% 67.4 GB/s
Min Avg Max
17.9 SC Read 28.3 57.2
32.6 SC Write 52 66.3
26.5 SC Mixed 36.9 58.2
112% 39 GB/s
Min Avg Max
66.3 Latency 81 96.6
49.4% 81 ns
User Benchmarks BenchMulti coreSingle coreLatency
The fastest RAM (mainstream) averages a speed of 100%
2 of 4 slots used
63GB DIMM 22h clocked @ 4800 MHz
226% Outstanding
MC Read 148
MC Write 52.6
MC Mixed 64.6
253% 88.5 GB/s
SC Read 43.6
SC Write 56.8
SC Mixed 49.1
142% 49.8 GB/s
Latency 88.9
45% 88.9 ns
2 of 4 slots used
63GB DIMM 22h clocked @ 5600 MHz
192% Outstanding
MC Read 78.6
MC Write 74.7
MC Mixed 72.2
215% 75.2 GB/s
SC Read 26
SC Write 53.5
SC Mixed 36.8
111% 38.8 GB/s
Latency 70.9
56% 70.9 ns
2 of 4 slots used
63GB DIMM 22h clocked @ 5600 MHz
191% Outstanding
MC Read 78
MC Write 74.9
MC Mixed 71.7
214% 74.9 GB/s
SC Read 24.9
SC Write 53.2
SC Mixed 36.5
109% 38.2 GB/s
Latency 72.9
55% 72.9 ns
2 of 4 slots used
63GB DIMM 22h 4800 MHz clocked @ 5600 MHz
190% Outstanding
MC Read 77.8
MC Write 74.5
MC Mixed 71.4
213% 74.6 GB/s
SC Read 22
SC Write 53.2
SC Mixed 34.8
105% 36.7 GB/s
Latency 72.4
55% 72.4 ns
2 of 4 slots used
63GB DIMM 22h 4800 MHz clocked @ 5600 MHz
188% Outstanding
MC Read 75.8
MC Write 62.9
MC Mixed 67.5
196% 68.7 GB/s
SC Read 59
SC Write 63.2
SC Mixed 57.5
171% 59.9 GB/s
Latency 65.6
61% 65.6 ns
2 of 4 slots used
63GB DIMM 22h clocked @ 5600 MHz
187% Outstanding
MC Read 76
MC Write 73.7
MC Mixed 70.3
210% 73.3 GB/s
SC Read 23.3
SC Write 53.1
SC Mixed 35.3
106% 37.2 GB/s
Latency 79.2
50% 79.2 ns
2 of 4 slots used
63GB DIMM 22h clocked @ 4800 MHz
163% Outstanding
MC Read 64.8
MC Write 66
MC Mixed 60.9
183% 63.9 GB/s
SC Read 19
SC Write 51.7
SC Mixed 30.1
96% 33.6 GB/s
Latency 84.2
48% 84.2 ns
2 of 4 slots used
63GB DIMM 22h clocked @ 4800 MHz
162% Outstanding
MC Read 64
MC Write 64.9
MC Mixed 61.3
181% 63.4 GB/s
SC Read 20.2
SC Write 49.5
SC Mixed 30.6
96% 33.4 GB/s
Latency 85.1
47% 85.1 ns
2 of 4 slots used
63GB DIMM 22h clocked @ 5600 MHz
94.9% Outstanding
MC Read 36.5
MC Write 33.5
MC Mixed 33.9
99% 34.6 GB/s
SC Read 23.3
SC Write 31.3
SC Mixed 26.4
77% 27 GB/s
Latency 74.3
54% 74.3 ns
3,046 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 66,998,710 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 KF556C40-32 2x31.5GB Builds (Compare 8,926 builds) See popular component choices, score breakdowns and rankings
Gaming
Gaming 291%
UFO
Desktop
Desktop 123%
UFO
Workstation
Workstation 346%
UFO

Motherboard: Gigabyte Z790 AORUS ELITE AX - $215

CPU
Core i7-13700KIntel  $345Bench 126%, 41,056 samples2,350x
Core i9-13900KIntel  $518Bench 129%, 49,132 samples1,914x
Core i5-13600KIntel  $279Bench 122%, 27,559 samples985x
GPU
RTX 4070-TiNvidia  $680Bench 240%, 46,082 samples1,352x
RTX 4090Nvidia  $1,847Bench 370%, 25,956 samples1,281x
RTX 4080Nvidia  $720Bench 290%, 22,998 samples963x
SSD
980 Pro NVMe PCIe M.2 2TBSamsung  $168Bench 416%, 138,083 samples1,225x
980 Pro NVMe PCIe M.2 1TBSamsung  $98Bench 394%, 276,089 samples843x
990 Pro NVMe PCIe M.2 2TBSamsung  $189Bench 460%, 45,230 samples555x
RAM
KF556C40-32 2x31.5GBKingstonBench 174%, 3,046 samples1x
EDIT WITH CUSTOM PC BUILDER Value: 106% - Outstanding Total price: $1,408

Popular KF556C40-32 2x31.5GB compatible motherboards:

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  • - Drive tests include: read, write, sustained write and mixed IO
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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]

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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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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.

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 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 $52
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
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