Product comparison · 2 memory modules

HP 4Gb DDR2 4x1GB ECC vs HyperX 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC

Key differences

Internal memory
- 4Gb DDR2 4x1GB ECC:4 GB
- 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC:2 GB
Memory layout (modules x size)
- 4Gb DDR2 4x1GB ECC:4 x 1 GB
- 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC:2 x 1 GB
Memory form factor
- 4Gb DDR2 4x1GB ECC:240-pin DIMM
- 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC:200-pin SO-DIMM
ECC
- 4Gb DDR2 4x1GB ECC:Yes
- 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC:No
Memory clock speed
- 4Gb DDR2 4x1GB ECC:667 MHz
- 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC:800 MHz

Differences highlightedShow differences only

Comparison of 4Gb DDR2 4x1GB ECC, 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC
8 specifications	A HP 4Gb DDR2 4x1GB ECC View product	B HyperX 2GB, DDR2, 800MHZ, 128M X 64, Non-ECC View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	4 x 1 GB	2 x 1 GB
Memory form factorDiffers	240-pin DIMM	200-pin SO-DIMM
ECCDiffers	Yes	No
CAS latencyKnown for one	Unknown — not stated by the source	4
Memory clock speedDiffers	667 MHz	800 MHz
Lead platingKnown for one	Unknown — not stated by the source	Gold

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.