Product comparison · 2 memory modules

HyperX KHX2000C9AD3W1K2/4GX memory module vs HyperX KHX6400D2B1/1G memory module

Key differences

Internal memory
- KHX2000C9AD3W1K2/4GX memory module:4 GB
- KHX6400D2B1/1G memory module:1 GB
Memory layout (modules x size)
- KHX2000C9AD3W1K2/4GX memory module:2 x 2 GB
- KHX6400D2B1/1G memory module:1 x 1 GB
Internal memory type
- KHX2000C9AD3W1K2/4GX memory module:DDR3
- KHX6400D2B1/1G memory module:DDR2
CAS latency
- KHX2000C9AD3W1K2/4GX memory module:9
- KHX6400D2B1/1G memory module:5
Memory clock speed
- KHX2000C9AD3W1K2/4GX memory module:2000 MHz
- KHX6400D2B1/1G memory module:800 MHz
Memory voltage
- KHX2000C9AD3W1K2/4GX memory module:1.5 V
- KHX6400D2B1/1G memory module:1.8 V
Row cycle time
- KHX2000C9AD3W1K2/4GX memory module:49.5 ns
- KHX6400D2B1/1G memory module:57.5 ns
Row active time
- KHX2000C9AD3W1K2/4GX memory module:36 ns
- KHX6400D2B1/1G memory module:45 ns

Differences highlightedShow differences only

Comparison of KHX2000C9AD3W1K2/4GX, KHX6400D2B1/1G
20 specifications	A HyperX KHX2000C9AD3W1K2/4GX memory module Model KHX2000C9AD3W1K2/4GX View product	B HyperX KHX6400D2B1/1G memory module Model KHX6400D2B1/1G View product
Features8 differ
Internal memoryDiffers	4 GB	1 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 1 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	No	No
CAS latencyDiffers	9	5
Memory clock speedDiffers	2000 MHz	800 MHz
Memory busKnown for one	Unknown — not stated by the source	64 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Unregistered (unbuffered)
Memory voltageDiffers	1.5 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	128M X 64
Row cycle timeDiffers	49.5 ns	57.5 ns
Row active timeDiffers	36 ns	45 ns
Lead platingKnown for one	Unknown — not stated by the source	Gold
Component forKnown for one	PC/Server	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 85 °C	0 - 55 °C
Other featuresidentical
Bus clock rateKnown for one	Unknown — not stated by the source	800 MHz
Error indicationKnown for one	Unknown — not stated by the source	No
Internal memoryKnown for one	Unknown — not stated by the source	1024 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 1024 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.