Product comparison · 2 memory modules

HyperX Memory HyperX 1GB 750MHz DDR2 CL4 vs Lenovo 256MB SDRAM SODIMM UPG

5specifications compared
4differ
1identical
11known for one product only

Key differences

The HyperX Memory HyperX 1GB 750MHz DDR2 CL4 has 0.75 GB more internal memory than the Lenovo 256MB SDRAM SODIMM UPG (1 GB vs 0.25 GB). Only the Lenovo 256MB SDRAM SODIMM UPG has ECC. Memory form factor: 240-pin DIMM on the HyperX Memory HyperX 1GB 750MHz DDR2 CL4, 144-pin SO-DIMM on the Lenovo 256MB SDRAM SODIMM UPG. Operating temperature (T-T): 0 - 55 °C on the HyperX Memory HyperX 1GB 750MHz DDR2 CL4, 10 - 35 °C on the Lenovo 256MB SDRAM SODIMM UPG.

Internal memory
- Memory HyperX 1GB 750MHz DDR2 CL4:1 GB
- 256MB SDRAM SODIMM UPG:0.25 GB
Memory form factor
- Memory HyperX 1GB 750MHz DDR2 CL4:240-pin DIMM
- 256MB SDRAM SODIMM UPG:144-pin SO-DIMM
ECC
- Memory HyperX 1GB 750MHz DDR2 CL4:No
- 256MB SDRAM SODIMM UPG:Yes
Operating temperature (T-T)
- Memory HyperX 1GB 750MHz DDR2 CL4:0 - 55 °C
- 256MB SDRAM SODIMM UPG:10 - 35 °C

Side by side

Differences highlightedShow differences only

Comparison of Memory HyperX 1GB 750MHz DDR2 CL4, 256MB SDRAM SODIMM UPG
16 specifications	A HyperX Memory HyperX 1GB 750MHz DDR2 CL4 View product	B Lenovo 256MB SDRAM SODIMM UPG View product
Features3 differ
Internal memoryDiffers	1 GB	0.25 GB
Memory form factorDiffers	240-pin DIMM	144-pin SO-DIMM
ECCDiffers	No	Yes
Memory clock speedKnown for one	Unknown — not stated by the source	100 MHz
Lead plating	Gold	Gold
Internal memory typeKnown for one	DDR2	Unknown — not stated by the source
CAS latencyKnown for one	4	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
Memory voltageKnown for one	1.9 V	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	10 - 80%
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	67.6 mm
DepthKnown for one	Unknown — not stated by the source	25.4 mm
HeightKnown for one	Unknown — not stated by the source	4 mm
Other featuresidentical
Special featuresKnown for one	Unknown — not stated by the source	Authenticity Seal, Tamper evident carton seal

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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