Product comparison · 2 memory modules

Goodram GY1866D364L9AS/8GDC memory module vs Samsung M393A8K40B21-CWD memory module

Key differences

Internal memory
- GY1866D364L9AS/8GDC memory module:8 GB
- M393A8K40B21-CWD memory module:64 GB
Memory layout (modules x size)
- GY1866D364L9AS/8GDC memory module:2 x 4 GB
- M393A8K40B21-CWD memory module:1 x 64 GB
Internal memory type
- GY1866D364L9AS/8GDC memory module:DDR3
- M393A8K40B21-CWD memory module:DDR4
Memory form factor
- GY1866D364L9AS/8GDC memory module:240-pin DIMM
- M393A8K40B21-CWD memory module:288-pin DIMM
CAS latency
- GY1866D364L9AS/8GDC memory module:9
- M393A8K40B21-CWD memory module:19
Memory clock speed
- GY1866D364L9AS/8GDC memory module:1866 MHz
- M393A8K40B21-CWD memory module:2666 MHz
Memory ranking
- GY1866D364L9AS/8GDC memory module:1
- M393A8K40B21-CWD memory module:4
Memory voltage
- GY1866D364L9AS/8GDC memory module:1.5 V
- M393A8K40B21-CWD memory module:1.2 V

Differences highlightedShow differences only

Comparison of GY1866D364L9AS/8GDC, M393A8K40B21-CWD
18 specifications	A Goodram GY1866D364L9AS/8GDC memory module Model GY1866D364L9AS/8GDC View product	B Samsung M393A8K40B21-CWD memory module Model M393A8K40B21-CWD View product
Features10 differ
Internal memoryDiffers	8 GB	64 GB
Memory layout (modules x size)Differs	2 x 4 GB	1 x 64 GB
Internal memory typeDiffers	DDR3	DDR4
Component for	PC/Server	PC/Server
Memory form factorDiffers	240-pin DIMM	288-pin DIMM
ECCKnown for one	No	Unknown — not stated by the source
CAS latencyDiffers	9	19
Memory clock speedDiffers	1866 MHz	2666 MHz
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory channelsKnown for one	Dual-channel	Unknown — not stated by the source
Memory rankingDiffers	1	4
Memory voltageDiffers	1.5 V	1.2 V
Product colourDiffers	Black	Black, Green
Cooling typeDiffers	Heatsink	Cooler
Lead platingKnown for one	Gold	Unknown — not stated by the source
Module configurationKnown for one	Unknown — not stated by the source	8192M x 72
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 85 °C
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	31.2 mm

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.