List of Xeon microprocessors (45 to 22 nm)

The following is a partial list of Intel Xeon microprocessors. Processors built using 45 nm to 22 nm process nodes are included.

## Xeons (45&nbsp;nm) 
### *"Lynnfield"* 
* 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, x64, SpeedStep, Turbo Boost, Smart Cache, VT-x, Intel x8 SDDC*
* 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

#### Xeon 5500&nbsp;series (2P) 
### *"Jasper&nbsp;Forest"* 
* Based on Nehalem microarchitecture
* Uni-processor and Dual-processor
* LC3528 supports: *Hyper-Threading, Turbo Boost*
* All models support: *MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, x64, SpeedStep, Smart Cache, VT-x, EPT,
* Designed for embedded applications

#### Xeon C3500&nbsp;series (1P) 
#### Xeon C5500&nbsp;series (2P) 
### *"Beckton"* 
* 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, EPT,*
* Die size: 81 mm2 (CPU component)
* Steppings: C2

#### Xeon 3400&nbsp;series (1P) 
### *"Gulftown"* 
* Based on Westmere microarchitecture
* Uniprocessor-only systems
* All models support: *Hyper-Threading*
* All models support: *MMX, XD bit, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, x64, AES-NI, SpeedStep, Turbo Boost, Smart Cache, VT-x, Intel x8 SDDC, Hyper-threading (except E7-8837), Turbo Boost, AES-NI, Smart Cache.*
* 2800 series support uni-processor and dual-processor configurations
* 4800 series support up to four-processor configurations
* 8800 series support up to eight-processor configurations.
* Transistors: 2.6 billion
* Die size: 513&nbsp;mm2
* Steppings: A2

#### Xeon  series (2P) 
#### Xeon  series (4P) 
#### Xeon  series (8P) 
## Xeons (32&nbsp;nm) 
### *"Gladden"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel EPT, Intel VT-d, Hyper-threading, AES-NI.*
* All models support uni-processor configurations only.
* Die size:216 mm2
* Steppings: D2

#### Xeon  
### *"Sandy&nbsp;Bridge"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel EPT, Intel VT-d, Hyper-threading (except E3-1220 and E3-1225), Turbo Boost, AES-NI, Smart Cache.*
* All models support uni-processor configurations only.
* Intel HD Graphics P3000 uses drivers that are optimized and certified for professional applications, similar to Nvidia Quadro and AMD FirePro products.
* Die size: D2: 216&nbsp;mm2, Q0: 131&nbsp;mm2
* Steppings: D2, Q0

#### Xeon  (1P) 
### *"Sandy&nbsp;Bridge&nbsp;EN"* 
* Based on Sandy Bridge-E CPU.
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, 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, Hyper-threading (except E5-2403 and E5-2407), Turbo Boost (except E5-1428L, E5-2403 and E5-2407), AES-NI, Smart Cache.*

#### Xeon  (1P) 
#### Xeon  (2P) 
### *"Sandy&nbsp;Bridge&nbsp;EP"* 
* Based on Sandy Bridge microarchitecture.
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, 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, Hyper-threading (except E5-1603, E5-1607, E5-2603, E5-2609 and E5-4617), Turbo Boost (except E5-1603, E5-1607, E5-2603, E5-2609, E5-4603 and E5-4607), AES-NI, Smart Cache.*

#### Xeon  (1P) 
#### Xeon  (2P) 
#### Xeon  (4P) 
## Xeons (22&nbsp;nm) 
### *"Gladden"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel EPT, Intel VT-d, Hyper-threading, AES-NI.*
* All models support uni-processor configurations only.
* Die size: 160 mm2
* Steppings: E1

#### Xeon  (1P) 
### *"Ivy&nbsp;Bridge"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel VT-x, Intel EPT, Intel VT-d, Hyper-threading (except E3-1220&nbsp;v2 and E3-1225&nbsp;v2), Turbo Boost, AES-NI, Smart Cache, ECC
* Transistors: 1.4 billion (E1 die)
* Die size: 160 mm2 (E1)
* All models support uni-processor configurations only.
* Intel HD Graphics P4000 uses drivers that are optimized and certified for certian professional applications.

#### Xeon  (1P) 
### *"Ivy&nbsp;Bridge&nbsp;EN"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, 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, Hyper-threading (except E5-2403&nbsp;v2 and E5-2407&nbsp;v2), Turbo Boost (except E5-2403&nbsp;v2, E5-2407&nbsp;v2 and E5-2418L&nbsp;v2), AES-NI, Smart Cache.*
* Support for up to six DIMMs of DDR3 memory per CPU socket.

#### Xeon  (1P) 
#### Xeon  (2P) 
### *"Ivy&nbsp;Bridge&nbsp;EP"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, 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, Hyper-threading (except E5-1607&nbsp;v2, E5-2603&nbsp;v2, E5-2609&nbsp;v2 and E5-4627&nbsp;v2), Turbo Boost (except E5-1607&nbsp;v2, E5-2603&nbsp;v2, E5-2609&nbsp;v2, E5-2618L&nbsp;v2, E5-4603&nbsp;v2 and E5-4607&nbsp;v2), AES-NI, Smart Cache*.
* Support for up to 12 DIMMs of DDR3 memory per CPU socket.

#### Xeon  (1P) 
#### Xeon  (2P) 
#### Xeon  (4P) 
### *"Ivy&nbsp;Bridge&nbsp;EX"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, 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, Hyper-threading (except E7-8857&nbsp;v2), Turbo Boost (except E7-4809&nbsp;v2), AES-NI, Smart Cache.*
* Support for up to 24 DIMMs of DDR3 memory per CPU socket.

#### (2P) 
#### Xeon  (4P) 
#### Xeon  (8P) 
## Xeons (22&nbsp;nm) 
### *"Haswell&nbsp;WS"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, BMI1 (Bit Manipulation Instructions1), BMI2, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), TXT, Intel vPro, Intel VT-x, Intel VT-d, Turbo Boost 2.0, AES-NI, Smart Cache, TSX, ECC, Intel x8 SDDC
* Hyper-threading (except E3-1220&nbsp;v3, E3-1225&nbsp;v3 and E3-1226&nbsp;v3)

#### Xeon  (1P) 
### *"Haswell&nbsp;EN"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, F16C, 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, Hyper-threading, Turbo Boost (except E5-2408&nbsp;v3 and E5-2418L&nbsp;v3), AES-NI, Smart Cache.*
* Support for up to six DIMMs of DDR3 memory per CPU socket.

#### Xeon  (1P) 
#### Xeon  (2P) 
### *"Haswell&nbsp;EP"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel EPT, Intel VT-d, Hyper-threading (except E5-1603&nbsp;v3, E5-1607&nbsp;v3, E5-2603&nbsp;v3, E5-2609&nbsp;v3, E5-2628&nbsp;v3, E5-2663&nbsp;v3, E5-2685&nbsp;v3 and E5-4627&nbsp;v3), Turbo Boost 2.0 (except E5-1603&nbsp;v3, E5-1607&nbsp;v3, E5-2603&nbsp;v3, E5-2608L&nbsp;v3, E5-2609&nbsp;v3 and E5-4610&nbsp;v3), AES-NI, Smart Cache.*
* Transistors: 2.60 billion (LCC die, 8 physical cores), 3.84 billion (MCC die, 12 physical cores),  5.69 billion (HCC die, 18 physical cores)
* Die size: 354 mm2 (LCC), 492 mm2 (MCC), 662 mm2 (HCC)
* Support for up to 12 DIMMs of DDR4 memory per CPU socket (E5-2629&nbsp;v3, 2649&nbsp;v3 and 2669&nbsp;v3 also support DDR3 memory).

#### Xeon  (1P) 
#### Xeon  (2P) 
#### Xeon  (4P) 
### *"Haswell&nbsp;EX"* 
* All models support: *MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, AVX, AVX2, FMA3, F16C, Enhanced Intel SpeedStep Technology (EIST), Intel 64, XD bit (an NX bit implementation), Intel VT-x, Intel VT-d, Hyper-threading, Turbo Boost 2.0 (except E7-4809&nbsp;v3 and 4820&nbsp;v3), AES-NI, Smart Cache.''
* Transistors: 5.69 billion (HCC die, 18 physical cores) 
* Die size: 662 mm2 (HCC)
* Support for up to 24 DIMMs of DDR3 or DDR4 memory per CPU socket.

#### Xeon  (4P) 
#### Xeon  series (8P) 
## Related pages
* List of Xeon microprocessors (14 nm and smaller)

## References