Product comparison · 2 memory modules

HyperX 8GB DDR3-2800 vs Kingston Technology 4 x 2GB DDR3 1333MHz ECC

Key differences

Memory layout (modules x size)
- 8GB DDR3-2800:2 x 4 GB
- 4 x 2GB DDR3 1333MHz ECC:4 x 2 GB
ECC
- 8GB DDR3-2800:No
- 4 x 2GB DDR3 1333MHz ECC:Yes
CAS latency
- 8GB DDR3-2800:12
- 4 x 2GB DDR3 1333MHz ECC:9
Memory bus
- 8GB DDR3-2800:64 bit
- 4 x 2GB DDR3 1333MHz ECC:72 bit
Buffered memory type
- 8GB DDR3-2800:Unregistered (unbuffered)
- 4 x 2GB DDR3 1333MHz ECC:Registered (buffered)
Memory voltage
- 8GB DDR3-2800:1.65 V
- 4 x 2GB DDR3 1333MHz ECC:1.5 V
Module configuration
- 8GB DDR3-2800:512M x 64
- 4 x 2GB DDR3 1333MHz ECC:256M X 72
Row cycle time
- 8GB DDR3-2800:48.125 ns
- 4 x 2GB DDR3 1333MHz ECC:49.5 ns

Differences highlightedShow differences only

Comparison of 8GB DDR3-2800, 4 x 2GB DDR3 1333MHz ECC
28 specifications	A HyperX 8GB DDR3-2800 View product	B Kingston Technology 4 x 2GB DDR3 1333MHz ECC View product
Features9 differ
Memory layout (modules x size)Differs	2 x 4 GB	4 x 2 GB
Component forKnown for one	PC/Server	Unknown — not stated by the source
ECCDiffers	No	Yes
CAS latencyDiffers	12	9
Memory clock speedKnown for one	2800 MHz	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory voltageDiffers	1.65 V	1.5 V
Module configurationDiffers	512M x 64	256M X 72
Row cycle timeDiffers	48.125 ns	49.5 ns
Refresh row cycle timeDiffers	260 ns	160 ns
Memory rankingKnown for one	Unknown — not stated by the source	1
Row active timeKnown for one	Unknown — not stated by the source	36 ns
Weight & dimensionsidentical
WidthKnown for one	133.3 mm	Unknown — not stated by the source
DepthKnown for one	8.12 mm	Unknown — not stated by the source
HeightKnown for one	53.8 mm	Unknown — not stated by the source
Other features3 differ
Bus clock rateDiffers	2800 MHz	1333 MHz
Error indicationDiffers	No	ECC
Memory layoutDiffers	2 x 4096 MB	4 x 2048 MB
Chips organisationKnown for one	Unknown — not stated by the source	x8
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	DIMM

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.