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| process          = 350 nm
 
| process          = 350 nm
 
| process 2        = 250 nm
 
| process 2        = 250 nm
|isa=x86-32
 
  
 
| succession      = Yes
 
| succession      = Yes
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| successor 2 link = intel/microarchitectures/pentium_m
 
| successor 2 link = intel/microarchitectures/pentium_m
 
}}
 
}}
[[File:pentium pro processor with 1m l2 cache.jpg|right|thumb|{{intel|Pentium Pro}} processor with 1M of [[L2 cache]].]]
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'''P6''' was the [[microarchitecture]] for [[Intel]]'s for desktops and servers as a successor to {{\\|P5}}. Introduced in 1995 and continued until 2000, P6 was fabricated using [[350 nm]] and [[250 nm]] processes. P6 was obsoleted by {{\\|NetBurst}} in late 2000.
'''P6''' was the [[microarchitecture]] for [[Intel]]'s for desktops and servers as a successor to {{\\|P5}}. Introduced in 1995 and continued until 2000, P6 was fabricated using [[350 nm]] and [[250 nm]] processes. P6 was made obsolete by {{\\|NetBurst}} in late 2000.
 
  
== Codenames ==
 
{{empty section}}
 
 
== Process Technology ==
 
P6 was manufactured on the [[0.35 µm process]] initially and later enjoyed a process shrink down to [[0.25 µm]], allowing for considerably lower voltage and higher clock speed at a smaller silicon die area. The shrink introduced a 5th metal layer which further reduced RC delay and die area. Intel claimed the channel area was reduced by 50% with the introduction of the 5th layer. The 5th layer also enabled Intel to support C4 packaging.
 
 
{| class="wikitable"
 
|-
 
! !! [[0.35 µm]] !! [[0.25 µm]] !! Δ
 
|-
 
| Contacted Gate Pitch​ || 550 nm || 500 nm || 0.91x
 
|-
 
| Interconnect Pitch || 880 nm || 640 nm || 0.73x
 
|}
 
 
== Compiler support ==
 
{{empty section}}
 
 
== Architecture ==
 
{{empty section}}
 
 
== Die Shot ==
 
[[File:p6 tualatin die slide.png|thumb|right|200px|Tualatin]]
 
=== {{intel|Klamath|l=core}} ===
 
* [[280 nm process]] [[CMOS]]
 
* 4 metal layers
 
* 7,500,000 transistors
 
* 13.3 mm x 14.6 mm
 
* 194.8 mm² die size
 
*  540-pin BGA (Ball Grid Array)
 
[[File:intel p6 die shot.png]]
 
 
=== Pentium Pro ===
 
* [[0.35 µm process]]
 
* 5,500,000 transistors
 
[[File:pentium pro die shot.png|700px]]
 
  
 
== References ==
 
== References ==
 
* Schutz, J., and R. Wallace. "A 450 MHz IA32 P6 family microprocessor." Solid-State Circuits Conference, 1998. Digest of Technical Papers. 1998 IEEE International. IEEE, 1998.
 
* Schutz, J., and R. Wallace. "A 450 MHz IA32 P6 family microprocessor." Solid-State Circuits Conference, 1998. Digest of Technical Papers. 1998 IEEE International. IEEE, 1998.
* Brand, Adam, et al. "Intel’s 0.25 micron, 2.0 volts logic process technology." Intel Technology Journal Q 3 (1998): 1998.
 
* Integrated Circuit Engineering (ICE) Corporation. "Construction Analysis Intel 266MHz 32-Bit Pentium II (Klamath) Processor"; Shared Construction Analysis (SCA) 9706-542.
 
 
== Documents ==
 
* [[:File:24281603.pdf|Intel Architecture Optimization Manual]], Document 242816-003; 1997
 

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codenameP6 +
designerIntel +
first launchedOctober 1995 +
full page nameintel/microarchitectures/p6 +
instance ofmicroarchitecture +
instruction set architecturex86-32 +
manufacturerIntel +
microarchitecture typeCPU +
nameP6 +
phase-outDecember 2000 +
process350 nm (0.35 μm, 3.5e-4 mm) + and 250 nm (0.25 μm, 2.5e-4 mm) +