Product comparison · 2 memory modules

HP 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit vs Lenovo 03X6561 memory module

Add a product
  • 6specifications compared
  • 5differ
  • 1identical
  • 8known for one product only

Key differences

The Lenovo 03X6561 memory module has 800 MHz more memory clock speed than the HP 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit (1600 MHz vs 800 MHz). Memory layout (modules x size): 2 x 2 GB on the HP 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit, 1 x 4 GB on the Lenovo 03X6561 memory module. Internal memory type: DDR2 on the HP 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit, DDR3 on the Lenovo 03X6561 memory module. Component for: PC/Server on the HP 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit, Laptop on the Lenovo 03X6561 memory module. Memory form factor: 240-pin DIMM on the HP 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit, 204-pin SO-DIMM on the Lenovo 03X6561 memory module.

  • Memory layout (modules x size)
    • 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit:2 x 2 GB
    • 03X6561 memory module:1 x 4 GB
  • Internal memory type
    • 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit:DDR2
    • 03X6561 memory module:DDR3
  • Component for
    • 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit:PC/Server
    • 03X6561 memory module:Laptop
  • Memory form factor
    • 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit:240-pin DIMM
    • 03X6561 memory module:204-pin SO-DIMM
  • Memory clock speed
    • 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit:800 MHz
    • 03X6561 memory module:1600 MHz

Side by side

Differences highlightedShow differences only (on)
Comparison of 4GB (2x2GB) Single Rank PC2-6400 (DDR2-800) Registered Memory Kit, 03X6561
14 specifications
Features5 differ
Memory layout (modules x size)Differs2 x 2 GB1 x 4 GB
Internal memory typeDiffersDDR2DDR3
Component forDiffersPC/ServerLaptop
Memory form factorDiffers240-pin DIMM204-pin SO-DIMM
ECCKnown for oneYesUnknown — not stated by the source
Memory clock speedDiffers800 MHz1600 MHz
Buffered memory typeKnown for oneRegistered (buffered)Unknown — not stated by the source
Memory rankingKnown for one1Unknown — not stated by the source
Memory voltageKnown for one1.5 VUnknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for oneUnknown — not stated by the source67.6 mm
DepthKnown for oneUnknown — not stated by the source3 mm
HeightKnown for oneUnknown — not stated by the source30 mm
WeightKnown for oneUnknown — not stated by the source20 g

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