Product comparison · 2 memory modules

HyperX 4GB DDR3 DIMM vs Lenovo 57Y6511 memory module

Key differences

Internal memory
- 4GB DDR3 DIMM:4 GB
- 57Y6511 memory module:2 GB
Component for
- 4GB DDR3 DIMM:PC/Server
- 57Y6511 memory module:Laptop
Memory form factor
- 4GB DDR3 DIMM:240-pin DIMM
- 57Y6511 memory module:204-pin SO-DIMM
CAS latency
- 4GB DDR3 DIMM:9
- 57Y6511 memory module:5
Memory voltage
- 4GB DDR3 DIMM:1.65 V
- 57Y6511 memory module:1.5 V

Differences highlightedShow differences only

Comparison of 4GB DDR3 DIMM, 57Y6511
22 specifications	A HyperX 4GB DDR3 DIMM View product	B Lenovo 57Y6511 memory module Model 57Y6511 View product
Features5 differ
Internal memoryDiffers	4 GB	2 GB
Memory layout (modules x size)Known for one	2 x 2 GB	Unknown — not stated by the source
Internal memory type	DDR3	DDR3
Component forDiffers	PC/Server	Laptop
Memory form factorDiffers	240-pin DIMM	204-pin SO-DIMM
ECCKnown for one	No	Unknown — not stated by the source
CAS latencyDiffers	9	5
Memory busKnown for one	64 bit	Unknown — not stated by the source
Memory voltageDiffers	1.65 V	1.5 V
Row cycle timeKnown for one	49.5 ns	Unknown — not stated by the source
Refresh row cycle timeKnown for one	110 ns	Unknown — not stated by the source
Row active timeKnown for one	36 ns	Unknown — not stated by the source
Lead plating	Gold	Gold
Memory clock speedKnown for one	Unknown — not stated by the source	1066 MHz
Memory typeKnown for one	Unknown — not stated by the source	DDR3 SDRAM
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 85 °C	Unknown — not stated by the source
Packaging dataidentical
Package typeKnown for one	DIMM	Unknown — not stated by the source
Other featuresidentical
Number of pinsKnown for one	240	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	30 mm
DepthKnown for one	Unknown — not stated by the source	67.6 mm
HeightKnown for one	Unknown — not stated by the source	3 mm
WeightKnown for one	Unknown — not stated by the source	10 g

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.