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/ Performance classes
Performance classes
The class inside a generation (the minor version), e.g. Core i5 or Xeon Gold.
60 performance classes
Performance class
CPUs
First released
Meaning
4-bit
2
1971-11
8-bit
3
1972-04
8-bit bus
2
1979-06
16-bit bus
2
1978-06
80286
1
1982-02
Atom
160
2008-Q2
Atom x3
8
2015-Q1
Atom x5
5
2015-Q1
Atom x7
2
2015-Q1
Celeron
254
1998-04
Core 2 Duo
20
2008-Q3
Core 2 Quad
9
2008-Q4
Core 2 Solo
1
2009-Q2
Core 3
1
2025-Q1
Core i3
203
2010-Q1
Core i5
338
2009-Q3
Core i7
325
2008-Q4
Core i9
74
2017-Q2
Core M
7
2014-Q3
Core m3
4
2015-Q3
Core m5
2
2015-Q3
Core m7
1
2015-Q3
Core Ultra 5
16
2023-Q4
Core Ultra 7
16
2023-Q4
Core Ultra 9
7
2023-Q4
DX
4
1985-10
Intel Processor
8
2023-Q1
Itanium
21
2007-Q1
Pentium
256
1993-03
Pentium D
13
2005-Q1
Pentium Extreme Edition
5
2004-Q4
Quark C
1
2015-Q4
Quark D
2
2015-Q3
Quark X
8
2013-Q4
SX
2
1988-06
Xeon
8
2002-Q1
Xeon 3000 series
36
2007-Q1
Xeon 5000 series
89
2006-Q2
Xeon 6000 series
3
2010-Q1
Xeon 6700
6
2024-Q2
Xeon 6900
5
2024-Q3
Xeon 7000 series
23
2007-Q3
Xeon 9000 series
5
2023-Q1
Xeon Bronze
6
2017-Q3
Xeon D
83
2015-Q1
Xeon E
43
2017-Q4
Xeon E3
92
2011-Q2
Xeon E5
181
04'16
Xeon E7
62
2011-Q2
Xeon Gold
134
2017-Q3
Xeon Phi 3000 series
2
2013-Q2
Xeon Phi 5000 series
2
2012-Q4
Xeon Phi 7000 series
15
2013-Q2
Xeon Platinum
71
2017-Q3
Xeon Silver
29
2017-Q3
Xeon W
61
2017-Q3
Xeon w3
3
2023-Q1
Xeon w5
5
2023-Q1
Xeon w7
5
2023-Q1
Xeon w9
2
2023-Q1