Product comparison · 2 memory modules

HP 4GB DDR2-400 vs Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM

Add a product
  • 5specifications compared
  • 4differ
  • 1identical
  • 5known for one product only

Key differences

The HP 4GB DDR2-400 has 3 GB more internal memory than the Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (4 GB vs 1 GB). The HP 4GB DDR2-400 has 56 -pin DIMM more memory form factor than the Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM (240-pin DIMM vs 184-pin DIMM). Memory layout (modules x size): 2 x 2 GB on the HP 4GB DDR2-400, 1 x 1 GB on the Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM. Internal memory type: DDR2 on the HP 4GB DDR2-400, DDR on the Kingston Technology 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM.

  • Internal memory
    • 4GB DDR2-400:4 GB
    • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM:1 GB
  • Memory layout (modules x size)
    • 4GB DDR2-400:2 x 2 GB
    • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM:1 x 1 GB
  • Internal memory type
    • 4GB DDR2-400:DDR2
    • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM:DDR
  • Memory form factor
    • 4GB DDR2-400:240-pin DIMM
    • 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM:184-pin DIMM

Side by side

Differences highlightedShow differences only (on)
Comparison of 4GB DDR2-400, 1GB 400MHz DDR Non-ECC CL3 (3-3-3) DIMM
10 specifications
Features4 differ
Internal memoryDiffers4 GB1 GB
Memory layout (modules x size)Differs2 x 2 GB1 x 1 GB
Internal memory typeDiffersDDR2DDR
Memory form factorDiffers240-pin DIMM184-pin DIMM
CAS latencyKnown for oneUnknown — not stated by the source3
Memory voltageKnown for oneUnknown — not stated by the source2.6 V
ECCKnown for oneYesUnknown — not stated by the source
Memory clock speedKnown for one400 MHzUnknown — not stated by the source
Other featuresidentical
Mac compatibilityKnown for oneUnknown — not stated by the sourceNo

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