The Itanium from Intel is a high-end server and supercomputer microprocessor.

Itanium (2001)

Merced (180 nm)

Steppings: C0, C1 and C2. CPUID: 0007000604h (stepping C0), 0007000704h (stepping C1) or 0007000804h (stepping C2). Transistor count: 25.4 million for CPU, 295 million for the external L3 cache. The FSB data bus is 64 bits wide, not 128 like in Itanium 2.

Model S-Spec number Clock speed Cache FSB speed Voltage TDP (W) Socket Release date Price
L2 L3
Itanium 733 MHz 2 MBSL4LT, SL5VS, SL6RH733 MHz96 KB2 MB266 MT/s1.25–1.6 V116PAC4182001-05-29$1,177
Itanium 733 MHz 4 MBSL4LS, SL5VT4 MB130$4,227
Itanium 800 MHz 2 MBSL4LR, SL5VU, SL6RK800 MHz2 MB116$1,980
Itanium 800 MHz 4 MBSL4LQ, SL5VW, SL6RL4 MB130$4,227

Itanium 2 (2002-2007)

Itanium 2 uses socket PAC611 with a 128 bit wide FSB. The 90 nm CPUs (9000 and 9100 series) bring dual-core chips and an updated microarchitecture adding multithreading and splitting the L2 cache into a 256 KB data cache and 1 MB instruction cache per core (the pre-9000 series L2 cache being a 256 KB common cache). All Itaniums except some 130 nm models are capable of >2-socket SMP.

McKinley (180 nm)

Stepping: B3. Die size: 421 mm². Transistor count: 221 million. CPUID: 001F000704h

Model[lower-alpha 1] S-Spec number Clock speed Cache FSB speed Voltage TDP[lower-alpha 2] (W) Release date Price
L2 L3
Itanium 2 900 MHz 1.5 MBSL67W, SL6P6900 MHz256 KB1.5 MB400 MT/s1.5 V902002-07-08$1,338
Itanium 2 1.0 GHz 1.5 MBSL67U, SL6P51000 MHz100$2,247
Itanium 2 1.0 GHz 3 MBSL67V, SL6P73 MB$4,226

Madison (130 nm)

Stepping: B1. Die size: 374 mm². Transistor count: 410 million. CPUID: 001F010504h.
The Madison 9M table contains the 4MB and 6MB successors of the first Madisons.

Model[lower-alpha 3] S-Spec number Clock speed Cache FSB speed SMP Voltage TDP[lower-alpha 4] (W) Release date Price
L2 L3
Itanium 2 1.3 GHz 3 MBSL6XD1300 MHz256 KB3 MB400 MT/sMP1.3 V972003-06-30$1,338
Itanium 2 1.4 GHz 4 MBSL6XE1400 MHz4 MB91$2,247
Itanium 2 1.5 GHz 6 MBSL6XF1500 MHz6 MB107$4,226
Itanium 2 1.4 GHz 1.5 MBSL76K1400 MHz1.5 MBDP912003-09-08$1,172
Itanium 2 1.4 GHz 3 MBSL7FP3 MB2004-04-13$1,172
Itanium 2 1.6 GHz 3 MB[lower-alpha 5]SL7FQ1600 MHz99$2,408

Deerfield

The same chip as Madison, but at a lower voltage.

Model[lower-alpha 6] S-Spec number Clock speed Cache FSB speed SMP Voltage TDP (W) Release date Price
L2 L3
LV Itanium 2 1.0 GHz 1.5 MBSL7541000 MHz256 KB1.5 MB400 MT/sDP1.1 V55[lower-alpha 7]2003-09-08$744

Madison 9M (130 nm)

Steppings: A1 and A2. Die size: 432 mm². Transistor count: 592 million. CPUID: 001F020104h (stepping A1) or 001F020204h (stepping A2).
9M is the chip of all the third generation Itanium 2s, irrespective of the amount of enabled cache.[5][6]

Model[lower-alpha 8] S-Spec number Clock speed Cache FSB speed SMP Voltage TDP[lower-alpha 4] (W) Release date Price
L2 L3
Itanium 2 1.5 GHz 4 MBSL7ED, SL8CX1500 MHz256 KB4 MB400 MT/sMP1.3 V1072004-11-08$910
Itanium 2 1.6 GHz 6 MBSL7EB, SL8CV1600 MHz6 MB122$1,980
Itanium 2 1.6 GHz 9 MBSL87H, SL8CU9 MB$4,226
Itanium 2 1.6 GHz 6 MBSL93X6 MB533 MT/s2006-2?[7]
Itanium 2 1.6 GHz 9 MBSL93W9 MB
Itanium 2 1.66 GHz 6 MBSL8JK1666 MHz6 MB667 MT/s2005-07-18$2194
Itanium 2 1.66 GHz 9 MBSL8JJ9 MB$4,655

Fanwood

The same chip as Madison 9M, but restricted to 2-socket and uniprocessor systems.

Model[lower-alpha 9] S-Spec number Clock speed Cache FSB speed SMP Voltage TDP (W) Release date Price
L2 L3
LV Itanium 2 1.3 GHz 3 MBSL7SD, SL8CY1300 MHz256 KB3 MB400 MT/sDP622004-11-08$530
Itanium 2 1.6 GHz 3 MB[lower-alpha 10]SL7EC, SL8CW1600 MHz1.3 V99$851
Itanium 2 1.6 GHz 3 MBSL7EF, SL8CZ533 MT/s$1,172

HP mx2 MCM (130 nm)

This multi-chip module codenamed Hondo is not an Intel product, but a separate project of Hewlett-Packard to pack two CPUs onto one PAC611 socket. The S-Spec SL75Z was assigned to the chips that Intel sent to HP for use in mx2.

Model Clock speed Cache FSB speed SMP Cores Voltage TDP (W) Release date
L2 L3 L4
HP mx2[8]1100 MHz2×256 KB2×4 MB32 MB400 MT/sMP21.1 V[9]170[10]2004-06[12]

Montecito (90 nm)

Steppings: C1 and C2. Die size: 596 mm². Transistor count: 1720 million. CPUID: 0020000504h (stepping C1) or 0020000704h (stepping C2).
All processors can support the legacy 400 MT/s FSB.[13] From Montecito onwards all Itaniums are MP-capable.

Model number Clock speed Cache FSB speed Multiplier Cores Threads
per core		 Voltage TDP (W) Socket Release date Price (USD)
L2 L3
Itanium 2 90101.6 GHz256 KB D
+ 1 MB I		6 MB533 MHz12×111.0875–1.25 V75 WPPGA6112006-07-18$696
Itanium 2 90151.4 GHz2×6 MB400 MHz14×22104 W$749
Itanium 2 90201.42 GHz2×6 MB533 MHz10.5×$910
Itanium 2 90301.6 GHz2×4 MB12×1$1552
Itanium 2 90402×9 MB2$1980
Itanium 2 90502×12 MB$3692

Montvale (90 nm)

The chip is similar to Montecito, but the stepping is A1 and the CPUID is 0020010104h. The models with 533 MT/s FSB also support 400 MT/s FSB operation.[14] The processors with the Core level Lock-Step error correction feature were released only in 2008.[15] Even though Intel does not use the "Itanium 2" branding for the 9100-series, it's still grouped with Itanium 2 processors because it uses the same platform and is a minor update on the 9000-series.

Model number Clock speed Cache FSB speed Multiplier Cores Threads
per core		 Voltage TDP (W) Socket Release date Price (USD)
L2 L3
Itanium 9110N1.6 GHz256 KB D
+ 1 MB I		12 MB533 MHz12×111.0875–1.25 V75 WPPGA6112007-10-31$696
Itanium 9120N1.42 GHz2×6 MB533 MHz10.5×22104 W$910
Itanium 9130M1.66 GHz2×4 MB667 MHz10×1$1552
Itanium 9140N1.6 GHz2×9 MB533 MHz12×2$1980
Itanium 9140M1.66 GHz2×9 MB667 MHz10×$1980
Itanium 9150N1.6 GHz2×12 MB533 MHz12×$3692
Itanium 9150M1.66 GHz2×12 MB667 MHz10×$3692
Itanium 9152M1.66 GHz2×12 MB667 MHz10×

Itanium (2007–2019)

These later generations of Itanium use socket LGA 1248, the QuickPath Interconnect and Scalable Memory Interconnect having replaced the Front-Side Bus used by Itanium 2.

Tukwila (65 nm)

Stepping: E0. Die size: 699 mm². Transistor count: 2046 million. CPUID: 0020020404.
All models support: XD bit (an NX bit implementation), Hyper-threading, Turbo Boost, VT-i2 (Itanium Virtualization technology), Intel VT-d, RAS with Advanced Machine Check Architecture, Cache Safe technology, Enhanced Demand Based Switching, ECC, two memory controllers each with two SMI links to memory buffers for DDR3, for a combined memory bandwidth of 34 GB/s and capacity of 256 GB. The QPI bandwidth is 96 GB/s for cache coherency and 24 GB/s for I/O.

Model number Clock speed Cache QuickPath Cores Threads
per core		 Voltage TDP (W) Socket Release date Price (USD)
Clock speed Turbo Boost L2 L3
Itanium 93101.60 GHz—256 KiB D
+
512 KiB I		2×5 MiB4.8 GT/s220.8–1.35 V130WLGA12482010-02-08$946
Itanium 93201.33 GHz1.46 GHz4×4 MiB4155W$1614
Itanium 93301.46 GHz1.60 GHz4×5 MiB$2059
Itanium 93401.60 GHz1.73 GHz185W$2059
Itanium 93501.73 GHz1.86 GHz4×6 MiB$3838

Poulson (32 nm)

Stepping: D0. Die size: 544 mm². Transistor count: 3.1 billion. CPUID: 0021000404.
All models support: Itanium New Instructions,[16] XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, VT-i3 (Itanium Virtualization technology), Hyper-threading (with Dual-Domain Multithreading), Turbo Boost, Enhanced Intel SpeedStep Technology (EIST), Cache-Safe technology, RAS with Advanced Machine Check Architecture, Instruction Replay technology, ECC, two memory controllers each with two SMI links to memory buffers for DDR3, for a combined memory bandwidth of 45 GB/s and capacity of 512 GB. The QPI bandwidth is 128 GB/s for cache coherency and 32 GB/s for I/O.

Model number Clock speed Cache QuickPath Cores Threads
per core		 Voltage TDP (W) Socket Release date Price (USD)
Clock Speed Turbo-boost L2 L3
Itanium 95201.73 GHz256 KiB D
+
512 KiB I		20 MiB6.4 GT/s420.85-1.2 V130WLGA12482012-11-08$1350
Itanium 95402.13 GHz24 MiB8170W$2650
Itanium 95502.4 GHz32 MiB4$3750
Itanium 95602.53 GHz8$4650

Kittson (32 nm)

The 9700 series, despite nominally having a different stepping (E0 with CPUID 0021000504), is functionally identical with the 9500 series, even having exactly the same bugs, the only difference being the 133 MHz higher frequency of 9760 and 9750 over 9560 and 9550 respectively.[17] Intel had committed to at least one more generation after Poulson, first mentioning Kittson on 14 June 2007.[18] Kittson was supposed to be on a 22 nm process and use the same LGA2011 socket and platform as Xeons.[19][20][21] On 31 January 2013 Intel issued an update to their plans for Kittson: it would have the same LGA1248 socket and 32 nm process as Poulson, effectively halting any further development of Itanium processors.[22]

Model number Clock speed Cache QuickPath Cores Threads
per core		 Voltage TDP (W) Socket Release date Price (USD)
Clock Speed Turbo-boost L2 L3
Itanium 97201.73 GHz256 KiB D
+
512 KiB I		20 MiB6.4 GT/s420.85-1.2 V130WLGA12482017-05-11$1350
Itanium 97402.13 GHz24 MiB8170W$2650
Itanium 97502.53 GHz32 MiB4$3750
Itanium 97602.66 GHz8$4650

See also

References

  1. ↑ The official full names:
    Intel® Itanium® 2 Processor 900 MHz with 1.5 MB L3 Cache
    Intel® Itanium® 2 Processor 1.0 GHz with 1.5 MB L3 Cache
    Intel® Itanium® 2 Processor 1.0 GHz with 3 MB L3 Cache
  2. ↑ Intel's originally defined TDP[1] was equal to the maximum socket power, which is 130W[2][3]
  3. ↑ The official full names:
    Intel® Itanium® 2 Processor 1.3 GHz with 3 MB L3 Cache
    Intel® Itanium® 2 Processor 1.4 GHz with 4 MB L3 Cache
    Intel® Itanium® 2 Processor 1.5 GHz with 6 MB L3 Cache
    Intel® Itanium® 2 Processor 1.4 GHz with 1.5 MB L3 Cache
    Intel® Itanium® 2 Processor 1.4 GHz with 3 MB L3 Cache
    Intel® Itanium® 2 Processor 1.6 GHz with 3 MB L3 Cache
  4. 1 2 Maximum socket power is 130W[2][3]
  5. ↑ Not to be confused with the Fanwood processor with near-identical specifications.
  6. ↑ The official full name:
    Low Voltage Intel® Itanium® 2 Processor 1.0 GHz with 1.5 MB L3 Cache
  7. ↑ Maximum power is 62W[4]
  8. ↑ The official full names:
    Intel® Itanium® 2 Processor 1.5 GHz with 4 MB L3 Cache
    Intel® Itanium® 2 Processor 1.6 GHz with 6 MB L3 Cache
    Intel® Itanium® 2 Processor 1.6 GHz with 9 MB L3 Cache
    ...
    Intel® Itanium® 2 Processor 1.66 GHz with 6 MB L3 Cache
    Intel® Itanium® 2 Processor 1.66 GHz with 9 MB L3 Cache
  9. ↑ The official full names:
    Low Voltage Intel® Itanium® 2 Processor 1.3 GHz with 3 MB L3 Cache
    Intel® Itanium® 2 Processor 1.6 GHz with 3 MB L3 Cache at 400 MHz System Bus (DP Optimized)
    Intel® Itanium® 2 Processor 1.0 GHz with 3 MB L3 Cache at 533 MHz System Bus (DP Optimized)
  10. ↑ Not to be confused with the Madison processor with near-identical specifications.
  1. ↑ "Intel® Itanium® 2 Processor at 1.0 GHz and 900 MHz Datasheet" (PDF). Intel. Archived from the original (PDF) on 25 May 2003.
  2. 1 2 Rusu, Stefan. "Itanium 2 processor 6M: Higher frequency and larger L3 cache". Intel. Retrieved 14 February 2022.
  3. 1 2 "Intel® Itanium® 2 Processor Datasheet" (PDF). Table 2-2. Intel. Archived from the original (PDF) on 21 June 2006. Retrieved 24 February 2022.
  4. ↑ Muljono, Harry. "New 130nm Itanium®2 Processors for 2003" (PDF). Intel. Retrieved 21 February 2022.
  5. ↑ "Intel® Itanium® 2 Processor Reference Manual for Software Development and Optimization" (PDF). page 13. Intel. Archived from the original (PDF) on 5 February 2009. Retrieved 24 February 2022.
  6. ↑ "Intel® Itanium® 2 Processor Specification Update" (PDF). pages 9 and 27-28. Intel. Archived from the original (PDF) on 21 June 2006. Retrieved 24 February 2022.
  7. ↑ "Intel® Itanium® 2 Processor Datasheet" (PDF). page 8. Intel. Archived from the original (PDF) on 21 June 2006. Retrieved 24 February 2022.
  8. ↑ Ashlee Vance (6 May 2004). "HP rides Hondo to super-sized Itanium servers". Theregister.co.uk. Retrieved 5 January 2019.
  9. ↑ "machinfo output interpretation on rx4640". Hewlett Packard Enterprise Community. Retrieved 30 April 2022.
  10. ↑ Haff, Gordon. "HP Doubles Up on Madison" (PDF). Archived from the original (PDF) on 6 May 2006. the power envelope of a standard Madison—170 watts in all, 130 watts for the processor and 40 watts for its voltage regulator
  11. ↑ McMillan, Robert. "HP to release dual-processor Itanium module". Computerworld. Retrieved 19 April 2022.
  12. ↑ Announced 2004-05-05, but available in June.[11]
  13. ↑ "Dual-Core Intel® Itanium® 2 Processor 9000 Series" (PDF). Intel. Archived from the original (PDF) on 22 August 2006. Retrieved 24 February 2022.
  14. ↑ "Product Brief Intel® Itanium® Processor 9100 Series" (PDF). Intel. Archived from the original (PDF) on 7 December 2008.
  15. ↑ "Intel Unveils Seven New Intel® Itanium® Processors". Intel. Retrieved 24 February 2022.
  16. ↑ "Intel® Itanium® Processor 9500 Series" (PDF). Intel.com. Retrieved 5 January 2019.
  17. ↑ "Intel® Itanium® Processor 9300, 9500 and 9700 Series Specification Update" (PDF). Intel. Archived from the original (PDF) on 11 November 2020.
  18. ↑ Boslet, Mark. "Intel to employ advanced technology on server chips". The Mercury News. Retrieved 26 February 2022.
  19. ↑ Wheeler, Bob. "Tocking Itanium". The Linley Group. Retrieved 26 February 2022.
  20. ↑ Skaugen, Kirk. "IDF2011 Intel Developer Forum" (PDF). slide 21. Intel. Retrieved 26 February 2022.
  21. ↑ Nist, Pauline. "More than just another Itanium chip". Intel. Archived from the original on 8 August 2020. Retrieved 26 February 2022.
  22. ↑ "Intel® Itanium® Processors Update". Archived from the original on 9 November 2016.
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