Product comparison · 2 memory modules

HyperX 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP vs Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4

7specifications compared
5differ
2identical
0known for one product only

Key differences

The Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4 has 2 GB more internal memory than the HyperX 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP (4 GB vs 2 GB). The HyperX 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP has 2 more CAS latency than the Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4 (7 vs 5). The HyperX 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP has 0.1 V more memory voltage than the Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4 (1.9 V vs 1.8 V). Only the Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4 has ECC. Internal memory type: DDR3 on the HyperX 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP, DDR2 on the Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4.

Internal memory
- 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP:2 GB
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:4 GB
Internal memory type
- 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP:DDR3
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:DDR2
ECC
- 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP:No
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:Yes
CAS latency
- 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP:7
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:5
Memory voltage
- 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP:1.9 V
- 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4:1.8 V

Side by side

Differences highlightedShow differences only

Comparison of 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP, 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4
7 specifications	A HyperX 2GB 1625MHz DDR3 Non-ECC Low-Latency CL7 (7-7-7-20) DIMM(Kit of 2) XMP View product	B Kingston Technology 4GB 800MHz DDR2 ECC Fully Buffered CL5 DIMM (Kit of 2) Dual Rank, x4 View product
Features5 differ
Internal memoryDiffers	2 GB	4 GB
Internal memory typeDiffers	DDR3	DDR2
Memory form factor	240-pin DIMM	240-pin DIMM
ECCDiffers	No	Yes
CAS latencyDiffers	7	5
Memory voltageDiffers	1.9 V	1.8 V
Lead plating	Gold	Gold

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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