Product comparison · 2 memory modules

HyperX Memory HyperX 2GB 800MHz DDR2 CL5 2pk vs Kingston Technology 4GB DDR2 DIMM

Key differences

Internal memory
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:1 GB
- 4GB DDR2 DIMM:4 GB
ECC
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:No
- 4GB DDR2 DIMM:Yes
CAS latency
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:5
- 4GB DDR2 DIMM:3
Memory bus
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:64 bit
- 4GB DDR2 DIMM:72 bit
Check width
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:8 bit
- 4GB DDR2 DIMM:4 bit
Buffered memory type
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:Unregistered (unbuffered)
- 4GB DDR2 DIMM:Registered (buffered)
Memory voltage
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:2.0 V
- 4GB DDR2 DIMM:1.8 V
Module configuration
- Memory HyperX 2GB 800MHz DDR2 CL5 2pk:128M X 64
- 4GB DDR2 DIMM:256M X 72

Differences highlightedShow differences only

Comparison of Memory HyperX 2GB 800MHz DDR2 CL5 2pk, 4GB DDR2 DIMM
24 specifications	A HyperX Memory HyperX 2GB 800MHz DDR2 CL5 2pk View product	B Kingston Technology 4GB DDR2 DIMM View product
Features8 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory type	DDR2	DDR2
Component forKnown for one	Unknown — not stated by the source	PC/Server
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	5	3
Memory busDiffers	64 bit	72 bit
Check widthDiffers	8 bit	4 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	1
Memory voltageDiffers	2.0 V	1.8 V
Module configurationDiffers	128M X 64	256M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead plating	Gold	Gold
Memory clock speedKnown for one	800 MHz	Unknown — not stated by the source
Other features4 differ
Chips organisationKnown for one	Unknown — not stated by the source	X4
Bus clock rateDiffers	800 MHz	400 MHz
Error indicationDiffers	No	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryDiffers	2048 MB	4096 MB
Memory layoutDiffers	2 x 1024 MB	2 x 2048 MB
Processor frequencyKnown for one	800 MHz	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	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.