Product comparison · 2 memory modules

HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP vs Kingston Technology 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel)

8specifications compared
5differ
3identical
5known for one product only

Key differences

The HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP has 2 GB more internal memory than the Kingston Technology 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel) (4 GB vs 2 GB). The Kingston Technology 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel) has 2 more CAS latency than the HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP (7 vs 5). Only the Kingston Technology 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel) has ECC. Memory layout (modules x size): 2 x 2 GB on the HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP, 2 x 1 GB on the Kingston Technology 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel). Memory form factor: 204-pin SO-DIMM on the HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP, 240-pin DIMM on the Kingston Technology 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel).

Internal memory
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:4 GB
- 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel):2 GB
Memory layout (modules x size)
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:2 x 2 GB
- 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel):2 x 1 GB
Memory form factor
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:204-pin SO-DIMM
- 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel):240-pin DIMM
ECC
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:No
- 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel):Yes
CAS latency
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:5
- 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel):7

Side by side

Differences highlightedShow differences only

Comparison of 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP, 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel)
13 specifications	A HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP View product	B Kingston Technology 2GB, 1066MHz, DDR3, ECC Reg, CL7, DIMM SR, x4 w/Therm Sensor (Intel)View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Differs	2 x 2 GB	2 x 1 GB
Memory form factorDiffers	204-pin SO-DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	5	7
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 typeKnown for one	Unknown — not stated by the source	DDR3
Memory clock speedKnown for one	1066 MHz	Unknown — not stated by the source
Other featuresidentical
Chips organisationKnown for one	Unknown — not stated by the source	X4

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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