Ever since AMD’s Thunderbird/Duron release in June, the CPU industry has been pretty quiet.  There has been a lot of talk going around about memory technologies and chipsets, but as far as the processor clock speed race is concerned, things are not nearly as bad as they were leading up to the release of the first 1GHz chips from AMD and Intel. 

AMD’s Thunderbird helped to narrow the performance delta that existed between the Athlons and the competing Pentium IIIs, thus placing more pressure on Intel to do something to regain either the performance or the clock speed advantage. 

Towards the end of June, after AMD’s barrage of processor announcements and releases, Intel did attempt to steal the lime light for a bit by announcing that a faster Pentium III was on its way, once again, in “limited quantities.”

That time is now and the “faster” Pentium III happens to come clocked at 1133MHz, or 1.13GHz for short. 

CPU Specification Comparison
 
AMD Athlon
Intel Pentium III
Intel Celeron
Core
K7
K75
Thunderbird
Katmai
Coppermine
Mendocino
Coppermine128

Clock Speed

500 - 700 MHz
750 - 1000 MHz
450 - 600 MHz
500 - 1133 MHz
300 - 533 MHz
533 - 600 MHz
L1 Cache
128KB
32KB
L2 Cache
512KB
256KB
512KB
256KB
128KB
L2 Cache speed
1/2 core
2/5 or 1/3 core
core clock
1/2 core
core clock
L2 Cache bus
64-bit
256-bit
64-bit
256-bit
System Bus
100 MHz DDR (200 MHz effective) EV6
100 - 133 MHz GTL+
66 MHz GTL+
Interface
Slot-A
Socket-A
Slot-A (OEM only)
Slot-1
Slot-1
Socket-370
Socket-370
Manufacturing
Process
0.25 micron
0.18 micron
0.25 micron
0.18 micron
0.25 micron
0.18 micron
Die Size
184 mm^2
102mm^2
120mm^2
128mm^2
106mm^2
153mm^2
106mm^2
Transistor Count
22 million
37 million
9.5 million
28 million
19 million
28 million
The Chip

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