List of Intel Itanium processors

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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.

More information Model, S-Spec number ...
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
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Itanium 2 (2002-2007)

Summarize
Perspective

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

More information Model, S-Spec number ...
Model[a] S-Spec number Clock speed Cache FSB speed Voltage TDP[b] (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
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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.

More information Model, S-Spec number ...
Model[c] S-Spec number Clock speed Cache FSB speed SMP Voltage TDP[d] (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[e]SL7FQ1600 MHz99$2,408
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Deerfield

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

More information Model, S-Spec number ...
Model[f] 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[g]2003-09-08$744
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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]

More information Model, S-Spec number ...
Model[h] S-Spec number Clock speed Cache FSB speed SMP Voltage TDP[d] (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
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Fanwood

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

More information Model, S-Spec number ...
Model[i] 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[j]SL7EC, SL8CW1600 MHz1.3 V99$851
Itanium 2 1.6 GHz 3 MBSL7EF, SL8CZ533 MT/s$1,172
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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.

More information Model, Clock speed ...
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]
Close

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.

More information Model number, Clock speed ...
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
Close

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.

More information Model number, Clock speed ...
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×
Close

Itanium (2007–2019)

Summarize
Perspective

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.

More information Model number, Clock speed ...
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 GHz256 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
Close

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.

More information Model number, Clock speed ...
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
Close

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]

More information Model number, Clock speed ...
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
Close

See also

References

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