Product comparison · 2 memory modules

HyperX 4GB (2 x 2GB) 667MHz DDR2 vs Kingston Technology 2GB 800MHz DDR2 ECC CL5 DIMM Intel

10specifications compared
7differ
3identical
14known for one product only

Key differences

Internal memory
- 4GB (2 x 2GB) 667MHz DDR2:4 GB
- 2GB 800MHz DDR2 ECC CL5 DIMM Intel:2 GB
Memory layout (modules x size)
- 4GB (2 x 2GB) 667MHz DDR2:2 x 2 GB
- 2GB 800MHz DDR2 ECC CL5 DIMM Intel:1 x 2 GB
Memory form factor
- 4GB (2 x 2GB) 667MHz DDR2:200-pin SO-DIMM
- 2GB 800MHz DDR2 ECC CL5 DIMM Intel:240-pin DIMM
ECC
- 4GB (2 x 2GB) 667MHz DDR2:No
- 2GB 800MHz DDR2 ECC CL5 DIMM Intel:Yes
CAS latency
- 4GB (2 x 2GB) 667MHz DDR2:4
- 2GB 800MHz DDR2 ECC CL5 DIMM Intel:5
Memory bus
- 4GB (2 x 2GB) 667MHz DDR2:64 bit
- 2GB 800MHz DDR2 ECC CL5 DIMM Intel:72 bit
Module configuration
- 4GB (2 x 2GB) 667MHz DDR2:256M x 64
- 2GB 800MHz DDR2 ECC CL5 DIMM Intel:256M X 72

Side by side

Differences highlightedShow differences only

Comparison of 4GB (2 x 2GB) 667MHz DDR2, 2GB 800MHz DDR2 ECC CL5 DIMM Intel
24 specifications	A HyperX 4GB (2 x 2GB) 667MHz DDR2 View product	B Kingston Technology 2GB 800MHz DDR2 ECC CL5 DIMM Intel View product
Features7 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 2 GB
Internal memory type	DDR2	DDR2
Component forKnown for one	Laptop	Unknown — not stated by the source
Memory form factorDiffers	200-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	5
Memory clock speedKnown for one	667 MHz	Unknown — not stated by the source
Memory busDiffers	64 bit	72 bit
Buffered memory type	Unregistered (unbuffered)	Unregistered (unbuffered)
Memory voltage	1.8 V	1.8 V
Module configurationDiffers	256M x 64	256M X 72
Row cycle timeKnown for one	60 ns	Unknown — not stated by the source
Refresh row cycle timeKnown for one	127.5 ns	Unknown — not stated by the source
Row active timeKnown for one	70000 ns	Unknown — not stated by the source
Lead platingKnown for one	Gold	Unknown — not stated by the source
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 55 °C	Unknown — not stated by the source
Other featuresidentical
Bus clock rateKnown for one	667 MHz	Unknown — not stated by the source
Error indicationKnown for one	No	Unknown — not stated by the source
Internal memoryKnown for one	4096 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 2048 MB	Unknown — not stated by the source
Number of pinsKnown for one	200	Unknown — not stated by the source
Memory technologyKnown for one	PC2-5300	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