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	4 GB	4 GB
Memory layout (modules x size)	1 x 4 GB	1 x 4 GB
Internal memory typeDiffers	DDR3	DDR4
Component for	PC/Server	PC/Server
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
ECC	Yes	Yes
CAS latencyDiffers	13	15
Memory bus	72 bit	72 bit
Buffered memory type	Registered (buffered)	Registered (buffered)
Memory ranking	1	1
Memory voltageDiffers	1.5 V	1.2 V
Module configuration	512M x 72	512M x 72
Row cycle timeDiffers	47.125 ns	47.05 ns
Refresh row cycle time	260 ns	260 ns
Row active timeDiffers	34 ns	33 ns
Memory typeDiffers	PC3-14900	PC4-17000
Product colourDiffers	Black, Green	Green
Lead plating	Gold	Gold
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Storage temperature (T-T)	-55 - 100 °C	-55 - 100 °C
Softwareidentical
Windows operating systems supported	Yes	Yes
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supported	Yes	Yes
Packaging dataidentical
Package type	DIMM	DIMM
Other features2 differ
Chips organisation	x8	x8
Bus clock rateDiffers	1866 MHz	2133 MHz
Error indication	ECC	ECC
Internal memory	4096 MB	4096 MB
Memory layout	1 x 4096 MB	1 x 4096 MB
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.