http://hardware.slashdot.org/comments.pl?sid=1496592&cid=30639436
Intel also has three lines that more or less directly correspond to AMDs: Core/Phenom (good), Pentium/Athlon (ok) and Celeron/Sempron (cheap), plus the server Xeon/Opteron. The real pain is the amount of different model numbers and numbering schemes. The secret decoder ring for Intel models is:
A) old three number codes
E.g. Pentium 965, Celeron 450, ...
First digit is the model, second digit corresponds to the speed
These are usually old crap and should be avoided. Celeron 743 and Celeron 900 fairly recent low-end chips that you can still buy.
B) Letter plus four numbers codes, e.g. SU7300:
* S = small form factor
* U = ultra-low voltage (5-10W), L = low-voltage (17W), P = medium voltage (25W), T = desktop replacement (35W), E = Desktop (65W), Q = quad-core (65-130W), X = extreme edition
* 7 = model line, tells you about amount of cache, VT capability etc. Scale goes from 1 (crap) to 9 (can't afford).
* 3 = clock frequency, relative performance within the line. Scale from 0 to 9.
* 00 = random features disabled or enabled, have to look up for specific details.
C) New Core i3-XYZa
Similar to scheme B, with the added dash and more confusing
* i3 = Line within Core brand, can be i3 (cheap, but better than Celeron or Pentium), i5 (decent) or i7 (high-end)
* X = the actual model, tells you the amount of cache and number of cores, but only together with the processor line (i3-5xx is very different from i5-5xx)
* Y = corresponds to clock speed, higher is better
* Z = modifier, currently 0, 1 or 5 for specific features
* a = type of processor: X = extreme, M = mobile, QM = quad-core mobile, LM = low-voltage mobile, UM = ultra-low-voltage mobile
No comments:
Post a Comment