Product comparison · 2 memory modules

HyperX 8GB DDR3-2666 vs HyperX Impact 4GB 1866MHz DDR3L

17specifications compared
9differ
8identical
15known for one product only

Key differences

Internal memory
- 8GB DDR3-2666:8 GB
- Impact 4GB 1866MHz DDR3L:4 GB
Memory layout (modules x size)
- 8GB DDR3-2666:2 x 4 GB
- Impact 4GB 1866MHz DDR3L:1 x 4 GB
Internal memory type
- 8GB DDR3-2666:DDR3
- Impact 4GB 1866MHz DDR3L:DDR3L
Component for
- 8GB DDR3-2666:PC/Server
- Impact 4GB 1866MHz DDR3L:Laptop
Memory form factor
- 8GB DDR3-2666:240-pin DIMM
- Impact 4GB 1866MHz DDR3L:204-pin SO-DIMM
CAS latency
- 8GB DDR3-2666:11
- Impact 4GB 1866MHz DDR3L:10
Memory clock speed
- 8GB DDR3-2666:2666 MHz
- Impact 4GB 1866MHz DDR3L:1866 MHz
Memory voltage
- 8GB DDR3-2666:1.65 V
- Impact 4GB 1866MHz DDR3L:1.35 V

Side by side

Differences highlightedShow differences only

Comparison of 8GB DDR3-2666, Impact 4GB 1866MHz DDR3L
32 specifications	A HyperX 8GB DDR3-2666 View product	B HyperX Impact 4GB 1866MHz DDR3L View product
Features9 differ
Internal memoryDiffers	8 GB	4 GB
Memory layout (modules x size)Differs	2 x 4 GB	1 x 4 GB
Internal memory typeDiffers	DDR3	DDR3L
Component forDiffers	PC/Server	Laptop
Memory form factorDiffers	240-pin DIMM	204-pin SO-DIMM
ECC	No	No
CAS latencyDiffers	11	10
Memory clock speedDiffers	2666 MHz	1866 MHz
Memory bus	64 bit	64 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltageDiffers	1.65 V	1.35 V
Module configuration	512M x 64	512M x 64
Row cycle timeDiffers	48.125 ns	44.7 ns
Refresh row cycle time	260 ns	260 ns
Row active timeKnown for one	Unknown — not stated by the source	34 ns
Memory typeKnown for one	Unknown — not stated by the source	PC3-14900
Product colourKnown for one	Unknown — not stated by the source	Black
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 supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Linux operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Packaging dataidentical
Package typeKnown for one	Unknown — not stated by the source	SO-DIMM
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	x8
Bus clock rateKnown for one	2666 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Internal memoryKnown for one	8192 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 4096 MB	Unknown — not stated by the source
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

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.

More memory module comparisons

All memory module comparisons