Product comparison · 2 memory modules

Kingston Technology KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM vs Kingston Technology ValueRAM KVR667D2S5/2 memory module

14specifications compared
12differ
2identical
18known for one product only

Key differences

Internal memory
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:8 GB
- ValueRAM KVR667D2S5/2 memory module:2 GB
Memory layout (modules x size)
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:1 x 8 GB
- ValueRAM KVR667D2S5/2 memory module:1 x 2 GB
Internal memory type
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:DDR4
- ValueRAM KVR667D2S5/2 memory module:DDR2
Component for
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:PC
- ValueRAM KVR667D2S5/2 memory module:Laptop
Memory form factor
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:288-pin DIMM
- ValueRAM KVR667D2S5/2 memory module:260-pin SO-DIMM
CAS latency
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:15
- ValueRAM KVR667D2S5/2 memory module:5
Memory voltage
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:1.2 V
- ValueRAM KVR667D2S5/2 memory module:1.8 V
Module configuration
- KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM:1024M x 64
- ValueRAM KVR667D2S5/2 memory module:256M x 64

Side by side

Differences highlightedShow differences only

Comparison of KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM, KVR667D2S5/2
32 specifications	A Kingston Technology KVR21N15S8/8 Kingston 8GB DDR4 2133MHz PC4-17000 SODIMM View product	B Kingston Technology ValueRAM KVR667D2S5/2 memory module Model KVR667D2S5/2 View product
Features11 differ
Internal memoryDiffers	8 GB	2 GB
Memory layout (modules x size)Differs	1 x 8 GB	1 x 2 GB
Internal memory typeDiffers	DDR4	DDR2
Memory data transfer rateKnown for one	2133 MT/s	Unknown — not stated by the source
Component forDiffers	PC	Laptop
Memory form factorDiffers	288-pin DIMM	260-pin SO-DIMM
ECC	No	No
CAS latencyDiffers	15	5
Memory clock speedKnown for one	2133 MHz	Unknown — not stated by the source
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory rankingKnown for one	1	Unknown — not stated by the source
Memory voltageDiffers	1.2 V	1.8 V
Module configurationDiffers	1024M x 64	256M x 64
Row cycle timeDiffers	46.5 ns	54 ns
Refresh row cycle timeDiffers	350 ns	127.5 ns
Row active timeDiffers	33 ns	39 ns
Memory typeKnown for one	PC-17000	Unknown — not stated by the source
Product colourKnown for one	Green	Unknown — not stated by the source
BacklightKnown for one	No	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 85 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-55 - 100 °C	Unknown — not stated by the source
Sustainabilityidentical
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Softwareidentical
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
HeightDiffers	31.2 mm	30 mm
WidthKnown for one	Unknown — not stated by the source	67.6 mm
Packaging dataidentical
Package typeKnown for one	DIMM	Unknown — not stated by the source
Other featuresidentical
Country of originKnown for one	China	Unknown — not stated by the source
Doesn't containKnown for one	Halogen	Unknown — not stated by the source
Number of pinsKnown for one	288	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.

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