List of Intel Xeon processors (Nehalem-based) explained

Xeon 3000-series (uniprocessor)

"Lynnfield" (45 nm)

• Based on Nehalem microarchitecture
• Uni-processor only
• All models except X3430 support Hyper-Threading
• All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Turbo Boost, Smart Cache, VT-x, EPT, VT-d, TXT, ECC
• Die size: 296 mm²
• Steppings: B1

"Bloomfield" (45 nm)

• Based on Nehalem microarchitecture
• Uni-processor only
• Quad-core models support: Hyper-Threading, Turbo Boost
• All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Smart Cache, VT-x, EPT, ECC
• Die size: 263 mm²
• Steppings: D0

"Jasper Forest" (45 nm)

• Based on Nehalem microarchitecture
• Uni-processor only
• LC3528 supports: Hyper-Threading, Turbo Boost
• All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Smart Cache, VT-x, EPT, VT-d, ECC
• Die size: 263 mm²
• Steppings: B0

"Clarkdale" (MCP, 32 nm)

• Based on Westmere microarchitecture
• Uni-processor only
• L3406 supports Hyper-Threading, Turbo Boost
• All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, SpeedStep, Smart Cache, VT-x,^[1] EPT, VT-d, TXT, ECC^[2]
• Die size: 81 mm² (CPU Component)
• Steppings: C2

"Gulftown" (32 nm)

• Based on Westmere microarchitecture
• Uniprocessor-only systems
• All models support: MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Intel 64, Hyper-Threading, AES-NI, SpeedStep, Turbo Boost, Smart Cache, VT-x, EPT, VT-d, TXT, ECC
• Die size: 240 mm²
• Steppings: B1

Xeon 5000-series (dual-processor)

"Nehalem-EP (Gainestown)" (45 nm) Efficient Performance

• Based on Nehalem microarchitecture
• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand-Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel EPT, Intel VT-d, Intel VT-c,^[3] Intel x8 SDDC^[4]
• All models support: Hyper-Threading, Turbo Boost except E5502, E5503, E5504, E5506, L5506, E5507
• All models support dual-processor configurations
• Die size: 263 mm²
• Steppings: D0^{[5] [6]}

"Jasper Forest-DP" (45 nm)

• Based on Nehalem microarchitecture
• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Demand-Based Switching (Intel's Server EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel EPT, Intel VT-d, Intel VT-c, Intel x8 SDDC
• EC5549, LC5528, and LC5518 support: Hyper-Threading, Turbo Boost
• Die size: 263 mm²
• Steppings: B0

"Westmere-EP" (32 nm) Efficient Performance

• Based on Westmere microarchitecture
• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel EPT, Intel VT-d, Intel VT-c,^[7] Intel x8 SDDC, AES-NI, Smart Cache, Hyper-Threading, Turbo Boost except E5603, E5606, E5607, L5609
• Dual-socket configurations supported
• Die size: 240 mm²
• Steppings: B1

Xeon 7000-series and E7 (multiprocessor)

"Nehalem-EX (Beckton)" (45 nm) Expandable

• Based on Nehalem microarchitecture
• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel EPT, Intel VT-d, Intel VT-c, Intel x8 SDDC, Turbo Boost, Smart Cache, Hyper-Threading except X7542
• 65xx models support single- and dual-processor configurations, while 75xx models support up to 8-processor configurations
• Transistors: 2.3 billion
• Die size: 684 mm²
• Steppings: D0

"Westmere-EX" (32 nm) Expandable

• Based on Westmere microarchitecture.
• All models support: MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel EPT, Intel VT-d, Intel VT-c, Intel DDDC,^[8] Hyper-threading (except E7-8837), Turbo Boost, AES-NI, Smart Cache.
• 28xx models support single- and dual-processor configurations, 48xx models support up to four-processor configurations, 88xx models support up to eight-processor configurations.
• Transistors: 2.6 billion
• Die size: 513 mm²
• Steppings: A2

Notes and References

1. Web site: Intel CPU Vt-x EPT support. Intel® ARK (Product Specs). 30 October 2014.
2. Web site: Intel® Xeon® 3400 5500 5600 Series Comparison Matrix. 30 October 2014.
3. Web site: Server Virtualization with Intel® Xeon® Processor 5500 Series. 30 October 2014.
4. Web site: Intel® Xeon® 7500/6500 vs 5600/5500 . 2019-12-15 . https://web.archive.org/web/20100821230605/http://cache-www.intel.com/cd/00/00/44/64/446456_446456.pdf . 2010-08-21 . dead .
5. Web site: Intel's '09 Roadmap Revealed: Part 1. Aaron Heibert. Tom's Hardware. 23 September 2008 . 30 October 2014.
6. Web site: Intel adds more Nehalem CPUs to server line; to phase out more notebook CPUs. Digitimes. TG Daily. 30 October 2014. https://web.archive.org/web/20090127043405/http://www.tgdaily.com/content/view/40180/139/. 27 January 2009. dead.
7. Web site: Intel® Xeon® 5600 Series Product Brief. 30 October 2014.
8. Web site: Intel® Xeon® Processor E7-8800/4800/2800 Product Families. 30 October 2014.