Product comparison · 2 memory modules

Kingston Technology 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM vs Kingston Technology Memory 8 GB DIMM 240-pin DDR2

Key differences

Internal memory
- 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM:4 GB
- Memory 8 GB DIMM 240-pin DDR2:8 GB
Memory layout (modules x size)
- 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM:2 x 2 GB
- Memory 8 GB DIMM 240-pin DDR2:1 x 8 GB
Internal memory type
- 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM:DDR3
- Memory 8 GB DIMM 240-pin DDR2:DDR2
Buffered memory type
- 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM:Unregistered (unbuffered)
- Memory 8 GB DIMM 240-pin DDR2:Registered (buffered)
Module configuration
- 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM:256M X 72
- Memory 8 GB DIMM 240-pin DDR2:1024M X 72

Differences highlightedShow differences only

Comparison of 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM, Memory 8 GB DIMM 240-pin DDR2
20 specifications	A Kingston Technology 4GB, 1333MHZ, DDR3, ECC, CL9, DIMM View product	B Kingston Technology Memory 8 GB DIMM 240-pin DDR2 View product
Features5 differ
Internal memoryDiffers	4 GB	8 GB
Memory layout (modules x size)Differs	2 x 2 GB	1 x 8 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECC	Yes	Yes
CAS latency	9	9
Memory bus	72 bit	72 bit
Buffered memory typeDiffers	Unregistered (unbuffered)	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltage	1.5 V	1.5 V
Module configurationDiffers	256M X 72	1024M X 72
Memory type	DDR3	DDR3
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X4
CompatibilityKnown for one	Unknown — not stated by the source	0A89412 (Lenovo); 43R2037 (Lenovo); 57Y4427 (Lenovo); 67Y1464 (Lenovo)
Bus clock rateKnown for one	Unknown — not stated by the source	1333 MHz
Error indicationKnown for one	Unknown — not stated by the source	ECC
Form factorKnown for one	Unknown — not stated by the source	240-pin DIMM
Internal memoryKnown for one	Unknown — not stated by the source	8192 MB
Memory layoutKnown for one	Unknown — not stated by the source	1 x 8192 MB

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.