Product comparison · 2 memory modules

HyperX 1024MB DDR2 675MHz vs Lenovo 512MB NP SDRAM DIMM UPG

Key differences

Internal memory
- HyperX 1024MB DDR2 675MHz:1 GB
- 512MB NP SDRAM DIMM UPG:0.5 GB
Memory form factor
- HyperX 1024MB DDR2 675MHz:240-pin DIMM
- 512MB NP SDRAM DIMM UPG:168-pin DIMM
ECC
- HyperX 1024MB DDR2 675MHz:No
- 512MB NP SDRAM DIMM UPG:Yes
CAS latency
- HyperX 1024MB DDR2 675MHz:4
- 512MB NP SDRAM DIMM UPG:3
Operating temperature (T-T)
- HyperX 1024MB DDR2 675MHz:0 - 55 °C
- 512MB NP SDRAM DIMM UPG:10 - 35 °C
Width
- HyperX 1024MB DDR2 675MHz:133 mm
- 512MB NP SDRAM DIMM UPG:133.4 mm
Depth
- HyperX 1024MB DDR2 675MHz:4 mm
- 512MB NP SDRAM DIMM UPG:35.7 mm
Height
- HyperX 1024MB DDR2 675MHz:30 mm
- 512MB NP SDRAM DIMM UPG:3.8 mm

Differences highlightedShow differences only

Comparison of HyperX 1024MB DDR2 675MHz, 512MB NP SDRAM DIMM UPG
17 specifications	A HyperX HyperX 1024MB DDR2 675MHz View product	B Lenovo 512MB NP SDRAM DIMM UPG View product
Features4 differ
Internal memoryDiffers	1 GB	0.5 GB
Memory form factorDiffers	240-pin DIMM	168-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	4	3
Memory clock speedKnown for one	Unknown — not stated by the source	133 MHz
Lead platingKnown for one	Unknown — not stated by the source	Gold
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
Memory busKnown for one	64 bit	Unknown — not stated by the source
Check widthKnown for one	8 bit	Unknown — not stated by the source
Operational conditions1 differ
Operating temperature (T-T)Differs	0 - 55 °C	10 - 35 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Weight & dimensions3 differ
WidthDiffers	133 mm	133.4 mm
DepthDiffers	4 mm	35.7 mm
HeightDiffers	30 mm	3.8 mm
WeightKnown for one	Unknown — not stated by the source	45 g
Other featuresidentical
Special featuresKnown for one	Unknown — not stated by the source	Authenticity Seal, Tamper evident carton seal
Mac compatibilityKnown for one	No	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.