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 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor

8specifications compared
5differ
3identical
4known for one product only

Key differences

The Kingston Technology 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor has 4 GB more internal memory than the HyperX 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP (8 GB vs 4 GB). The Kingston Technology 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor 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 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor 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, 1 x 8 GB on the Kingston Technology 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor. 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 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor.

Internal memory
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:4 GB
- 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor:8 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
- 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor:1 x 8 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
- 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor:240-pin DIMM
ECC
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:No
- 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor:Yes
CAS latency
- 4GB, 1066MHz, DDR3, Non-ECC, Ultra LL, CL5 (5-5-5-15), SODIMM (Kit of 2), XMP:5
- 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor: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, 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor
12 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 8GB, 1066MHz, DDR3, ECC Reg w/Parity CL7 DIMM Quad Rank, x4 w/Therm Sensor 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 type	DDR3	DDR3
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 voltage	1.5 V	1.5 V
Memory typeKnown for one	Unknown — not stated by the source	DDR3
Lead plating	Gold	Gold
Memory clock speedKnown for one	1066 MHz	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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