Product comparison · 2 memory modules

Kingston Technology 4GB DDR4 2133MHz vs Kingston Technology 8GB DDR4 2133MHz Module

Key differences

Internal memory
- 4GB DDR4 2133MHz:4 GB
- 8GB DDR4 2133MHz Module:8 GB
Memory layout (modules x size)
- 4GB DDR4 2133MHz:1 x 4 GB
- 8GB DDR4 2133MHz Module:1 x 8 GB
Memory form factor
- 4GB DDR4 2133MHz:288-pin DIMM
- 8GB DDR4 2133MHz Module:260-pin SO-DIMM
ECC
- 4GB DDR4 2133MHz:No
- 8GB DDR4 2133MHz Module:Yes
Memory bus
- 4GB DDR4 2133MHz:64 bit
- 8GB DDR4 2133MHz Module:72 bit
Memory ranking
- 4GB DDR4 2133MHz:1
- 8GB DDR4 2133MHz Module:2
Module configuration
- 4GB DDR4 2133MHz:512M x 8
- 8GB DDR4 2133MHz Module:1G X 72
Height
- 4GB DDR4 2133MHz:31.2 mm
- 8GB DDR4 2133MHz Module:30 mm

Differences highlightedShow differences only

Comparison of 4GB DDR4 2133MHz, 8GB DDR4 2133MHz Module
27 specifications	A Kingston Technology 4GB DDR4 2133MHz View product	B Kingston Technology 8GB DDR4 2133MHz Module View product
Features7 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	1 x 4 GB	1 x 8 GB
Internal memory type	DDR4	DDR4
Component for	PC/Server	PC/Server
Memory form factorDiffers	288-pin DIMM	260-pin SO-DIMM
ECCDiffers	No	Yes
CAS latency	15	15
Memory busDiffers	64 bit	72 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory rankingDiffers	1	2
Memory voltage	1.2 V	1.2 V
Module configurationDiffers	512M x 8	1G X 72
Row cycle timeKnown for one	46.5 ns	Unknown — not stated by the source
Refresh row cycle timeKnown for one	260 ns	Unknown — not stated by the source
Row active timeKnown for one	33 ns	Unknown — not stated by the source
SPD profileKnown for one	Yes	Unknown — not stated by the source
Product colourKnown for one	Black, Green	Unknown — not stated by the source
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
Weight & dimensions1 differ
WidthKnown for one	133.3 mm	Unknown — not stated by the source
HeightDiffers	31.2 mm	30 mm
Other features3 differ
Chips organisation	X8	X8
Bus clock rate	2133 MHz	2133 MHz
Error indicationDiffers	No	ECC
Internal memoryDiffers	4096 MB	8192 MB
Memory layoutDiffers	1 x 4096 MB	1 x 8192 MB

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.