Product comparison · 2 memory modules

Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen vs Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8

12specifications compared
7differ
5identical
7known for one product only

Key differences

The Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 has 2 GB more internal memory than the Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen (4 GB vs 2 GB). The Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen has 4 more CAS latency than the Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 (9 vs 5). The Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 has 0.3 V more memory voltage than the Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen (1.8 V vs 1.5 V). Memory layout (modules x size): 1 x 2 GB on the Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen, 4 x 1 GB on the Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8. Internal memory type: DDR3 on the Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen, DDR2 on the Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8.

Internal memory
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen:2 GB
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4 GB
Memory layout (modules x size)
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen:1 x 2 GB
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:4 x 1 GB
Internal memory type
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen:DDR3
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:DDR2
CAS latency
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen:9
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:5
Memory voltage
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen:1.5 V
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:1.8 V
Memory type
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen:DDR3
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:DDR2
Chips organisation
- 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen:X4
- 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8:X8

Side by side

Differences highlightedShow differences only

Comparison of 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen, 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8
19 specifications	A Kingston Technology 2GB, 1333MHz, DDR3, ECC Reg w/Parity, CL9, DIMM, Single Rank, x4 w/Therm Sen View product	B Kingston Technology 4GB, 667MHz, DDR2, ECC Fully Buffered, CL5 DIMM (Kit of 4) Single Rank, x8 View product
Features6 differ
Internal memoryDiffers	2 GB	4 GB
Memory layout (modules x size)Differs	1 x 2 GB	4 x 1 GB
Internal memory typeDiffers	DDR3	DDR2
CAS latencyDiffers	9	5
Memory rankingKnown for one	Unknown — not stated by the source	1
Memory voltageDiffers	1.5 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	128M X 72
Memory typeDiffers	DDR3	DDR2
Other features1 differ
Chips organisationDiffers	X4	X8
Bus clock rateKnown for one	Unknown — not stated by the source	667 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	4096 MB
Memory layoutKnown for one	Unknown — not stated by the source	4 x 1024 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.

More memory module comparisons

All memory module comparisons