Product comparison · 2 memory modules

HyperX 8GB DDR3L-1866 vs Kingston Technology 4 x 2GB DDR3 1333MHz ECC

Key differences

Memory layout (modules x size)
- 8GB DDR3L-1866:1 x 8 GB
- 4 x 2GB DDR3 1333MHz ECC:4 x 2 GB
Internal memory type
- 8GB DDR3L-1866:DDR3L
- 4 x 2GB DDR3 1333MHz ECC:DDR3
Memory form factor
- 8GB DDR3L-1866:204-pin SO-DIMM
- 4 x 2GB DDR3 1333MHz ECC:240-pin DIMM
ECC
- 8GB DDR3L-1866:No
- 4 x 2GB DDR3 1333MHz ECC:Yes
CAS latency
- 8GB DDR3L-1866:10
- 4 x 2GB DDR3 1333MHz ECC:9
Memory bus
- 8GB DDR3L-1866:64 bit
- 4 x 2GB DDR3 1333MHz ECC:72 bit
Buffered memory type
- 8GB DDR3L-1866:Unregistered (unbuffered)
- 4 x 2GB DDR3 1333MHz ECC:Registered (buffered)
Memory voltage
- 8GB DDR3L-1866:1.35 V
- 4 x 2GB DDR3 1333MHz ECC:1.5 V

Differences highlightedShow differences only

Comparison of 8GB DDR3L-1866, 4 x 2GB DDR3 1333MHz ECC
25 specifications	A HyperX 8GB DDR3L-1866 View product	B Kingston Technology 4 x 2GB DDR3 1333MHz ECC View product
Features12 differ
Internal memory	8 GB	8 GB
Memory layout (modules x size)Differs	1 x 8 GB	4 x 2 GB
Internal memory typeDiffers	DDR3L	DDR3
Memory form factorDiffers	204-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	10	9
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	1
Memory voltageDiffers	1.35 V	1.5 V
Module configurationDiffers	1024M x 64	256M X 72
Row cycle timeDiffers	44.7 ns	49.5 ns
Refresh row cycle timeDiffers	260 ns	160 ns
Row active timeDiffers	34 ns	36 ns
Lead plating	Gold	Gold
Component forKnown for one	Laptop	Unknown — not stated by the source
Memory clock speedKnown for one	1866 MHz	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	0 - 85 °C	0 - 85 °C
Storage temperature (T-T)	-55 - 100 °C	-55 - 100 °C
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	x8
Bus clock rateKnown for one	Unknown — not stated by the source	1333 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Internal memoryKnown for one	Unknown — not stated by the source	8192 MB
Memory layoutKnown for one	Unknown — not stated by the source	4 x 2048 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.