ddr3 is a type of ram, not processor
DDR3 is better at the moment, however to make full use of DDR3 RAM you need a DDR3-compatible motherboard as well as a multi-core processor.
socket l775 its compatible with it
Yes, it can. But DDR3 memory support is not a CPU feature. For DDR3 support chipset is responsible. For instance, Intel x48 has DDR3 support (depends on brand as well) and it works with Intel Core 2 Duo.
I think Dance Dance Revolution 4 was the best
Non-ECC DDR3 cannot substitute for ECC DDR3 in systems that require ECC memory. ECC (Error-Correcting Code) memory includes additional circuitry to detect and correct data corruption, which non-ECC memory lacks. If a motherboard or processor supports ECC, it will only operate properly with ECC modules installed. However, some motherboards may accept non-ECC DDR3, but they will not provide the error-correcting features.
The Apple MacBook has a 2.0GHz or 2.4GHz Intel Core 2 Duo processor with a 3MB on-chip shared L2 cache, a 1066MHz frontside bus, and 2GB (two 1GB SO-DIMMs) of 1066MHz DDR3 SDRAM; and uses the NVIDIA GeForce 9400M graphics processor with 256MB of DDR3 SDRAM shared with main memory.
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Yes a laptop with graphics nvidia geforce gt 750m 4gb processor Intel i7 4702mq quad core memory 16gb ddr3 hard drive 1tb dual specs is good for playing battlefield 4 and Skyrim.
It is not very noticeable if you upgrade your memory on your computer.