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Compare Patriot DDR2 1GB 800MHz vs Signature 1GB DDR3 1333MHz

Patriot DDR2 1GB 800MHz and Patriot Signature 1GB DDR3 1333MHz are both memory with the same Size (1GB (1 x 1GB)). The main differences are in Speed, CAS Latency, First Word Latency and Voltage.
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Brand
Patriot
Brand
Patriot
Model
psd21g800816
Model
PSD31G133381
Release Date
-
Release Date
-
* First availability for purchase, it may not correspond to the actual market launch date.
User reviews
User reviews
Price history
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Price history
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Price/GB
-
Price/GB
-
GB/$1
-
GB/$1
-
Samsung B-Die
No
Samsung B-Die
No
Compatible PC parts
Compatible PC parts
Type
240-pin DDR2 DIMM
Type
240-pin DDR3 DIMM
Speed
DDR2-800 MHz
Speed
DDR3-1333 MHz
Size
1GB (1 x 1GB)
Size
1GB (1 x 1GB)
CAS Latency
6
CAS Latency
9
First Word Latency
15 ns
First Word Latency
13.5 ns
Voltage
1.8 V
Voltage
1.5 V
Heat Spreader
No
Heat Spreader
No
ECC Support
No
ECC Support
No

Comparison and key differences summary

Reasons to buy the Patriot DDR2 1GB 800MHz:

  • Less CAS latency (-3)

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Reasons to buy the Patriot Signature 1GB DDR3 1333MHz:

  • Less voltage required (-0.30 V needed)
  • Better first word latency (-1.50 ns)

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