Product comparison · 2 memory modules

Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 vs Kingston Technology 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold

7specifications compared
5differ
2identical
12known for one product only

Key differences

The Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 has 3.5 GB more internal memory than the Kingston Technology 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold (4 GB vs 0.5 GB). The Kingston Technology 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold has 3 more CAS latency than the Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 (8 vs 5). The Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 has 0.3 V more memory voltage than the Kingston Technology 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold (1.8 V vs 1.5 V). Only the Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 has ECC. Internal memory type: DDR2 on the Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8, DDR3 on the Kingston Technology 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold.

Internal memory
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:4 GB
- 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold:0.5 GB
Internal memory type
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:DDR2
- 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold:DDR3
ECC
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:Yes
- 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold:No
CAS latency
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:5
- 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold:8
Memory voltage
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:1.8 V
- 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold:1.5 V

Side by side

Differences highlightedShow differences only

Comparison of 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8, 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold
19 specifications	A Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 View product	B Kingston Technology 512MB, 1333MHz, DDR3, Non-ECC, CL8, 64M X 64, 1.5V, FBGA, Gold View product
Features5 differ
Internal memoryDiffers	4 GB	0.5 GB
Memory layout (modules x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Internal memory typeDiffers	DDR2	DDR3
ECCDiffers	Yes	No
CAS latencyDiffers	5	8
Memory busKnown for one	72 bit	Unknown — not stated by the source
Buffered memory typeKnown for one	Registered (buffered)	Unknown — not stated by the source
Memory rankingKnown for one	2	Unknown — not stated by the source
Memory voltageDiffers	1.8 V	1.5 V
Module configurationKnown for one	256M X 72	Unknown — not stated by the source
Memory typeKnown for one	DDR2	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	X8	Unknown — not stated by the source
Bus clock rateKnown for one	667 MHz	Unknown — not stated by the source
Error indicationKnown for one	Parity	Unknown — not stated by the source
Form factorKnown for one	240-pin DIMM	Unknown — not stated by the source
Internal memoryKnown for one	4096 MB	Unknown — not stated by the source
Memory layoutKnown for one	2 x 2048 MB	Unknown — not stated by the source

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.

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