Product comparison · 2 memory modules

Kingston Technology 4GB 1866MHz DDR3 vs Kingston Technology 4GB DDR4 2133MHz Module

Key differences

Internal memory type
- 4GB 1866MHz DDR3:DDR3
- 4GB DDR4 2133MHz Module:DDR4
Memory form factor
- 4GB 1866MHz DDR3:240-pin DIMM
- 4GB DDR4 2133MHz Module:288-pin DIMM
CAS latency
- 4GB 1866MHz DDR3:13
- 4GB DDR4 2133MHz Module:15
Memory voltage
- 4GB 1866MHz DDR3:1.5 V
- 4GB DDR4 2133MHz Module:1.2 V
Row cycle time
- 4GB 1866MHz DDR3:47.125 ns
- 4GB DDR4 2133MHz Module:47.05 ns
Row active time
- 4GB 1866MHz DDR3:34 ns
- 4GB DDR4 2133MHz Module:33 ns
Memory type
- 4GB 1866MHz DDR3:PC3-14900
- 4GB DDR4 2133MHz Module:PC4-17000
Product colour
- 4GB 1866MHz DDR3:Black, Green
- 4GB DDR4 2133MHz Module:Green

Differences highlightedShow differences only

Comparison of 4GB 1866MHz DDR3, 4GB DDR4 2133MHz Module
30 specifications	A Kingston Technology 4GB 1866MHz DDR3 View product	B Kingston Technology 4GB DDR4 2133MHz Module View product
Features8 differ
Internal memory typeDiffers	DDR3	DDR4
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
CAS latencyDiffers	13	15
Memory voltageDiffers	1.5 V	1.2 V
Row cycle timeDiffers	47.125 ns	47.05 ns
Row active timeDiffers	34 ns	33 ns
Memory typeDiffers	PC3-14900	PC4-17000
Product colourDiffers	Black, Green	Green
Softwareidentical
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Other features2 differ
Bus clock rateDiffers	1866 MHz	2133 MHz
Number of pinsDiffers	240	288

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.