Tracking the top memory modules...
Price and performance details for the Kingston KF2666C16D4/4G 4GB can be found below. This is made using thousands of PerformanceTest benchmark results and is updated daily.
Description: PC4-21300, 1.2V, CAS Supported: 9 11 12 13 14 15 16 17 18
Other names: Kingston KF2666C16D4/4G
Memory First Benchmarked: 2021-08-09
Last Price Change: NA
| Database Operations | 3,285 KOps/Sec |
|---|---|
| Memory Read Cached | 28,001 MBytes/Sec |
| Memory Read Uncached | 18,097 MBytes/Sec |
| Memory Write | 10,512 MBytes/Sec |
| Latency | 47 ns (lower is better) |
| Memory Threaded | 36,514 MBytes/Sec |
| Memory Model | Average | |
|---|---|---|
| Corsair CMK16GX4M2B3200C16 8GB | 41 ns | |
| Team Group Inc. TEAMGROUP-UD4-3200 8GB | 42 ns | |
| Corsair CMK32GX4M2E3200C16 16GB | 45 ns | |
| Corsair CMW16GX4M2C3200C16 8GB | 40 ns | |
| G Skill Intl F4-3200C16-8GVKB 8GB | 41 ns | |
| G Skill Intl F4-3200C16-16GVK 16GB | 41 ns | |
| Kingston KF3200C16D4/8GX 8GB | 43 ns | |
| Corsair CMK16GX4M2B3000C15 8GB | 40 ns | |
| Kingston KF3200C16D4/16GX 16GB | 43 ns | |
| Kingston KF2666C16D4/4G 4GB | 47 ns | |
| PassMark Software © 2008-2025 |
| Memory Model | Average | |
|---|---|---|
| Corsair CMK16GX4M2B3200C16 8GB | 18.6 GB/s | |
| Team Group Inc. TEAMGROUP-UD4-3200 8GB | 19.8 GB/s | |
| Corsair CMK32GX4M2E3200C16 16GB | 20.0 GB/s | |
| Corsair CMW16GX4M2C3200C16 8GB | 19.0 GB/s | |
| G Skill Intl F4-3200C16-8GVKB 8GB | 18.9 GB/s | |
| G Skill Intl F4-3200C16-16GVK 16GB | 19.5 GB/s | |
| Kingston KF3200C16D4/8GX 8GB | 20.8 GB/s | |
| Corsair CMK16GX4M2B3000C15 8GB | 17.7 GB/s | |
| Kingston KF3200C16D4/16GX 16GB | 21.4 GB/s | |
| Kingston KF2666C16D4/4G 4GB | 18.1 GB/s | |
| PassMark Software © 2008-2025 |
| Memory Model | Average | |
|---|---|---|
| Corsair CMK16GX4M2B3200C16 8GB | 12.6 GB/s | |
| Team Group Inc. TEAMGROUP-UD4-3200 8GB | 13.3 GB/s | |
| Corsair CMK32GX4M2E3200C16 16GB | 13.5 GB/s | |
| Corsair CMW16GX4M2C3200C16 8GB | 13.0 GB/s | |
| G Skill Intl F4-3200C16-8GVKB 8GB | 12.5 GB/s | |
| G Skill Intl F4-3200C16-16GVK 16GB | 13.9 GB/s | |
| Kingston KF3200C16D4/8GX 8GB | 13.6 GB/s | |
| Corsair CMK16GX4M2B3000C15 8GB | 11.9 GB/s | |
| Kingston KF3200C16D4/16GX 16GB | 14.6 GB/s | |
| Kingston KF2666C16D4/4G 4GB | 10.5 GB/s | |
| PassMark Software © 2008-2025 |
| Memory Model | Average | |
|---|---|---|
| Corsair CMK16GX4M2B3200C16 8GB | 37.4 GB/s | |
| Team Group Inc. TEAMGROUP-UD4-3200 8GB | 39.8 GB/s | |
| Corsair CMK32GX4M2E3200C16 16GB | 37.6 GB/s | |
| Corsair CMW16GX4M2C3200C16 8GB | 37.7 GB/s | |
| G Skill Intl F4-3200C16-8GVKB 8GB | 37.8 GB/s | |
| G Skill Intl F4-3200C16-16GVK 16GB | 38.5 GB/s | |
| Kingston KF3200C16D4/8GX 8GB | 40.2 GB/s | |
| Corsair CMK16GX4M2B3000C15 8GB | 34.9 GB/s | |
| Kingston KF3200C16D4/16GX 16GB | 40.5 GB/s | |
| Kingston KF2666C16D4/4G 4GB | 36.5 GB/s | |
| PassMark Software © 2008-2025 |
 |
 |
 |
| Baseline | Benchmark Results | |
|---|---|---|
| BL1953062 - Nov 23 2023 |
30 ns - Latency 16.9 GB/s - Read Uncached 14.1 GB/s - Write 32.4 GB/s - Threaded | |
| BL1851122 - Jul 01 2023 |
34 ns - Latency 14.7 GB/s - Read Uncached 11.9 GB/s - Write 28.5 GB/s - Threaded | |
| BL1783417 - Mar 31 2023 |
46 ns - Latency 19.3 GB/s - Read Uncached 9.5 GB/s - Write 37.2 GB/s - Threaded | |
| BL1783367 - Mar 31 2023 |
47 ns - Latency 19.5 GB/s - Read Uncached 9.5 GB/s - Write 36.3 GB/s - Threaded | |
| BL1782392 - Mar 30 2023 |
47 ns - Latency 19.1 GB/s - Read Uncached 9.5 GB/s - Write 37.1 GB/s - Threaded | |
| PassMark Software © 2008-2025 |
DDR5 Search 
Common
Memory brands