1GB pc2-6400 vs.2GB pc2-5300

Здравейте!
Имам възможност за безлатен лек ъпгрейд, но се чудя ще има ли ефект.
лаптопа ми е асус със Dual CPU T3200 @ 2.00GHz
и оригиналната си памет
Memory Size 2048 MBytes

Memory SPD
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DIMM # 1
SMBus address 0x51
Memory type DDR2
Module format SO-DIMM
Manufacturer (ID) Nanya Technology (7F7F7F0B00000000)
Size 1024 MBytes
Max bandwidth PC2-6400 (400 MHz)
Part number NT1GT64UH8D0FN-AD
Serial number AC131D13
Manufacturing date Week 46/Year 08
Number of banks 2
Data width 64 bits
Correction None
Nominal Voltage 1.80 Volts
EPP no
XMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 4.0-4-4-12-16 @ 266 MHz
JEDEC #2 5.0-5-5-15-20 @ 333 MHz
JEDEC #3 6.0-6-6-18-24 @ 400 MHz

DIMM # 2
SMBus address 0x53
Memory type DDR2
Module format SO-DIMM
Manufacturer (ID) Nanya Technology (7F7F7F0B00000000)
Size 1024 MBytes
Max bandwidth PC2-6400 (400 MHz)
Part number NT1GT64UH8D0FN-AD
Serial number 96371A22
Manufacturing date Week 46/Year 08
Number of banks 2
Data width 64 bits
Correction None
Nominal Voltage 1.80 Volts
EPP no
XMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 4.0-4-4-12-16 @ 266 MHz
JEDEC #2 5.0-5-5-15-20 @ 333 MHz
JEDEC #3 6.0-6-6-18-24 @ 400 MHz

ще има ли разлика и за добро ли ще е ако заменя едната плочка със тази
DIMM # 1
SMBus address 0x50
Memory type DDR2
Module format SO-DIMM
Manufacturer (ID) Samsung (CE00000000000000)
Size 2048 MBytes
Max bandwidth PC2-5300 (333 MHz)
Part number M4 70T5663QZ3-CE6
Serial number 757E9042
Manufacturing date Week 19/Year 08
Number of banks 2
Data width 64 bits
Correction None
Nominal Voltage 1.80 Volts
EPP no
XMP no
JEDEC timings table CL-tRCD-tRP-tRAS-tRC @ frequency
JEDEC #1 3.0-3-3-9-12 @ 200 MHz
JEDEC #2 4.0-4-4-12-16 @ 266 MHz
JEDEC #3 5.0-5-5-15-20 @ 333 MHz