Intel Core (client)
Nehalem
Intel Nehalem (2008) supports x86-64-v2.
- x86-64 level
- x86-64-v2
- Vendor
- Intel
- First products
- 2008
- Products
- Core i7 and Core i5; Xeon 3400, 3500, 5500, 6500, 7500 and C5500
- Segments
- GCC target
-march=nehalem
Product lines
| Product line | Segment | Socket | Source |
|---|---|---|---|
| Core i7 and Core i7 Extreme (Bloomfield)ARK lists it as Desktop; HEDT counts as workstation here. | workstation | LGA1366 | intel.com |
| Xeon 3500 | server | LGA1366 | intel.com |
| Core i7 and i5 (Lynnfield) | desktop | LGA1156 | intel.com |
| Xeon 3400 | server | LGA1156 | intel.com |
| Core i7 (Clarksfield) | mobile | rPGA988A | intel.com |
| Xeon 5500 | server | LGA1366 | intel.com |
| Xeon 5500 | embedded | LGA1366 | intel.com |
| Xeon 6500 | server | LGA1567 | intel.com |
| Xeon 7500 | server | LGA1567 | intel.com |
| Xeon C5500 and C3500 | embedded | LGA1366 | intel.com |
| Celeron (Jasper Forest) | embedded | LGA1366 | intel.com |
Why not x86-64-v3?
Nehalem lacks AVX, AVX2, BMI1, BMI2, F16C, FMA, LZCNT, MOVBE and XSAVE, all of which x86-64-v3 requires.
Feature checklist
| Feature | Nehalem | Enumerated by | Linux flag |
|---|---|---|---|
| x86-64-v1 | |||
| CMOV | Yes | CPUID.01H:EDX[15] | cmov |
| CX8 | Yes | CPUID.01H:EDX[8] | cx8 |
| FPU | Yes | CPUID.01H:EDX[0] | fpu |
| FXSR | Yes | CPUID.01H:EDX[24] | fxsr |
| MMX | Yes | CPUID.01H:EDX[23] | mmx |
| OSFXSR via FXSR | Yes | CPUID.01H:EDX[24] | fxsr |
| SCE | Yes | CPUID.80000001H:EDX[11] | syscall |
| SSE | Yes | CPUID.01H:EDX[25] | sse |
| SSE2 | Yes | CPUID.01H:EDX[26] | sse2 |
| x86-64-v2 | |||
| CMPXCHG16B | Yes | CPUID.01H:ECX[13] | cx16 |
| LAHF-SAHF | Yes | CPUID.80000001H:ECX[0] | lahf_lm |
| POPCNT | Yes | CPUID.01H:ECX[23] | popcnt |
| SSE3 | Yes | CPUID.01H:ECX[0] | pni |
| SSE4.1 | Yes | CPUID.01H:ECX[19] | sse4_1 |
| SSE4.2 | Yes | CPUID.01H:ECX[20] | sse4_2 |
| SSSE3 | Yes | CPUID.01H:ECX[9] | ssse3 |
| x86-64-v3 | |||
| AVX | No | CPUID.01H:ECX[28] | avx |
| AVX2 | No | CPUID.(EAX=07H,ECX=0):EBX[5] | avx2 |
| BMI1 | No | CPUID.(EAX=07H,ECX=0):EBX[3] | bmi1 |
| BMI2 | No | CPUID.(EAX=07H,ECX=0):EBX[8] | bmi2 |
| F16C | No | CPUID.01H:ECX[29] | f16c |
| FMA | No | CPUID.01H:ECX[12] | fma |
| LZCNT | No | CPUID.80000001H:ECX[5] | abm |
| MOVBE | No | CPUID.01H:ECX[22] | movbe |
| OSXSAVE via XSAVE | No | CPUID.01H:ECX[26] | xsave |
| x86-64-v4 | |||
| AVX512F | No | CPUID.(EAX=07H,ECX=0):EBX[16] | avx512f |
| AVX512BW | No | CPUID.(EAX=07H,ECX=0):EBX[30] | avx512bw |
| AVX512CD | No | CPUID.(EAX=07H,ECX=0):EBX[28] | avx512cd |
| AVX512DQ | No | CPUID.(EAX=07H,ECX=0):EBX[17] | avx512dq |
| AVX512VL | No | CPUID.(EAX=07H,ECX=0):EBX[31] | avx512vl |
Known vulnerabilities
The CVEs that the sources of the vulnerability list name as affecting Nehalem, in all of its models or in some of them.
- CVE-2019-11091 Microarchitectural Data Sampling: Microarchitectural Data Sampling Uncacheable Memory
- CVE-2019-1125 Spectre variant 1: Spectre v1 swapgs
- CVE-2018-12207 iTLB multihit: Machine Check Error Avoidance on Page Size Change
- CVE-2018-12130 Microarchitectural Data Sampling: Microarchitectural Fill Buffer Data Sampling
- CVE-2018-12127 Microarchitectural Data Sampling: Microarchitectural Load Port Data Sampling
- CVE-2018-12126 Microarchitectural Data Sampling: Microarchitectural Store Buffer Data Sampling
- CVE-2018-3646 L1 Terminal Fault: L1 Terminal Fault: virtualization
- CVE-2018-3639 Speculative Store Bypass
- CVE-2018-3620 L1 Terminal Fault: L1 Terminal Fault: operating systems and SMM
- CVE-2018-3615 L1 Terminal Fault: L1 Terminal Fault: SGX
- CVE-2017-5754 Meltdown: Rogue Data Cache Load
- CVE-2017-5753 Spectre variant 1: Bounds Check Bypass
- CVE-2017-5715 Spectre variant 2: Branch Target Injection
Other Intel Core (client) microarchitectures
- NetBurst (Prescott, Nocona) 2004 v1
- Core (Merom, Conroe) 2006 v1
- Penryn 2007 v1
- Nehalem 2008 v2
- Westmere 2010 v2
- Sandy Bridge 2011 v2
- Ivy Bridge 2012 v2
- Haswell 2013 v3
- Broadwell 2014 v3
- Skylake 2015 v3
- Kaby Lake 2016 v3
- Coffee Lake 2017 v3
- Cannon Lake 2018 v4
- Comet Lake 2019 v3
- Ice Lake (client) 2019 v4
- Tiger Lake 2020 v4
- Alder Lake 2021 v3
- Rocket Lake 2021 v4
- Raptor Lake 2022 v3
- Meteor Lake 2023 v3
- Arrow Lake 2024 v3
- Lunar Lake 2024 v3
- Panther Lake 2026 v3
- Nova Lake announced v4
Sources
- GCC -march=nehalem feature set (PTA_NEHALEM)
- Intel 64 and IA-32 Architectures Software Developer's Manual, Volume 1, 253665-093, Sections 2.1.16 and 2.1.17: The Core i7 900 series and the Xeon 5500 series (2008) and the Xeon 7500 and 6500 series (2010) are based on Nehalem.
- Intel 64 and IA-32 Architectures Software Developer's Manual, Volume 4, 335592-093, Table 2-1: Models 06_1AH, 06_1EH, 06_1FH and 06_2EH: Core i7 and i5, Xeon 3400, 3500, 5500, 6500 and 7500.
- Intel Microprocessor Quick Reference Guide, Intel Core processor: The Core i7-920, i7-940 and i7-965 Extreme Edition were introduced in November 2008.
- Intel ARK: Products formerly Bloomfield (archived November 2024): Lists the Core i7-920 to i7-960, the Core i7-965 and i7-975 Extreme Edition and the Xeon W3520 to W3580.
- Intel ARK: Products formerly Lynnfield (archived March 2025): Lists the Core i5-750 to i5-760, the Core i7-860 to i7-880 and the Xeon L3426 and X3430 to X3480.
- Intel ARK: Products formerly Clarksfield (archived December 2024): Lists the Core i7-720QM to i7-840QM and the Core i7-920XM and i7-940XM Extreme Edition.
- Intel ARK: Products formerly Jasper Forest (archived December 2024): Lists the Xeon EC3539, EC5509 to EC5549, LC3518, LC3528, LC5518 and LC5528 and the Celeron P1053.