AMD official 出咗 GDDR5 vs DDR3 速度比較
http://www.amd.com/us/products/techn...s/gddr5.aspx#2
Common Graphics Memory Myth – Is more really better?
- Ideal memory capacity for mainstream notebook users is 512MB to 1GB of ultra-fast GDDR5 memory
- GPUs paired with ultra-fast GDDR5 memory enable significant performance improvements relative to GPUs equipped with a greater amount of DDR3 memory at higher memory clock speed3
- Extra unused graphics memory consumes extra power, generates excess heat, may effects battery life and will not improve system performance unlike RAM which can be allocated for other applications or caching purposes.
Performance: 512MB GDDR5 vs. 1GB DDR3
Performance: 1GB GDDR5 vs. 2GB DDR3
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