Intel Core (client)
Sandy Bridge
Intel Sandy Bridge (2011) supports x86-64-v2.
- x86-64 level
- x86-64-v2
- Vendor
- Intel
- First products
- 2011
- Products
- 2nd generation Core; Xeon E3-1200 and E5
- Segments
- GCC target
-march=sandybridge- Optimization
- Optimizing code for Sandy Bridge and Ivy Bridge
Product lines
| Product line | Segment | Socket | Source |
|---|---|---|---|
| 2nd generation Core | desktop | LGA1155 | intel.com |
| 2nd generation Core | mobile | rPGA988B, BGA1023, BGA1224 | intel.com |
| 2nd generation Core | embedded | BGA1023 | intel.com |
| Core i7 and Core i7 Extreme (Sandy Bridge-E)ARK lists it as Desktop; HEDT counts as workstation here. | workstation | LGA2011 | intel.com |
| Pentium and Celeron | desktop | LGA1155 | intel.com |
| Pentium 1400 | server | LGA1356 | intel.com |
| Xeon E3-1200 | server | LGA1155 | intel.com |
| Xeon E5-1600, E5-2600 and E5-4600 | server | LGA2011 | intel.com |
| Xeon E5-1600, E5-2600 and E5-4600 | embedded | LGA2011 | intel.com |
| Xeon E5-1400 and E5-2400 | server | LGA1356 | intel.com |
| Xeon E5-1400 and E5-2400 | embedded | LGA1356 | intel.com |
Why not x86-64-v3?
Sandy Bridge lacks AVX2, BMI1, BMI2, F16C, FMA, LZCNT and MOVBE, all of which x86-64-v3 requires.
Feature checklist
| Feature | Sandy Bridge | 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 | Yes | 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 | Yes | 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 |
Other extensions
Notable extensions outside the x86-64 levels. Vendors sometimes disable these on individual models. Linked names lead to the extension's instructions.
Known vulnerabilities
The CVEs that the sources of the vulnerability list name as affecting Sandy Bridge, in all of its models or in some of them.
- CVE-2025-40300 VMSCAPE
- 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=sandybridge feature set (PTA_SANDYBRIDGE)
- Intel 64 and IA-32 Architectures Software Developer's Manual, Volume 1, 253665-093, Section 2.1.20: The 2nd generation Core processors (2011) and the Xeon E3-1200 and E5 families are based on Sandy Bridge.
- Intel 64 and IA-32 Architectures Software Developer's Manual, Volume 4, 335592-093, Table 2-1: Models 06_2AH and 06_2DH: 2nd generation Core i7, i5 and i3, Xeon E3-1200 and E5.
- Intel ARK: Products formerly Sandy Bridge: Launch dates; the earliest is Q1'11 (Core i7-2655LE).