Product comparison · 2 memory modules

HyperX 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64 vs Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8

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 GB more internal memory than the HyperX 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64 (4 GB vs 1 GB). The HyperX 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64 has 2 more CAS latency than the Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 (7 vs 5). The Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 has 0.1 V more memory voltage than the HyperX 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64 (1.8 V vs 1.7 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: DDR3 on the HyperX 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64, DDR2 on the Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8.

Internal memory
- 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64:1 GB
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:4 GB
Internal memory type
- 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64:DDR3
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:DDR2
ECC
- 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64:No
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:Yes
CAS latency
- 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64:7
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:5
Memory voltage
- 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64:1.7 V
- 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8:1.8 V

Side by side

Differences highlightedShow differences only

Comparison of 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64, 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8
19 specifications	A HyperX 1GB( 2 x 512 MB), HyperX, 1375MHz, DDR3, Non-ECC, CL7 (7-7-7-20), 64M X 64 View product	B Kingston Technology 4GB 667MHz DDR2 ECC Reg with Parity CL5 DIMM (Kit of 2) Dual Rank x8 View product
Features5 differ
Internal memoryDiffers	1 GB	4 GB
Memory layout (modules x size)Known for one	Unknown — not stated by the source	2 x 2 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	7	5
Memory busKnown for one	Unknown — not stated by the source	72 bit
Buffered memory typeKnown for one	Unknown — not stated by the source	Registered (buffered)
Memory rankingKnown for one	Unknown — not stated by the source	2
Memory voltageDiffers	1.7 V	1.8 V
Module configurationKnown for one	Unknown — not stated by the source	256M X 72
Memory typeKnown for one	Unknown — not stated by the source	DDR2
Lead plating	Gold	Gold
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X8
Bus clock rateKnown for one	Unknown — not stated by the source	667 MHz
Error indicationKnown for one	Unknown — not stated by the source	Parity
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	2 x 2048 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.

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