The speculative execution CPU bug that literally kneecapped Intel, also affects many AMD and ARM processors. This means BILLIONS of CPUs around the world, including those powering smartphones, are affected by Meltdown and/or Spectre.

Our article Everything On The Meltdown + Spectre CPU Flaws! summarises the key details of the speculative execution bug, and what we can do about it. This guide is to help those who want a full list of affected CPUs. Because we intend this to be an exhaustive list, we split it into multiple sections.

Article Update History

Click here for the Article Update History Updated @ 2018-03-07 : Added a new list of 5 IBM z/Architecture CPUs. Added a new list of 22 VIA desktop and mobile CPUs. Added 1 ARM mobile CPU, 1 Intel server CPU, and 1 Intel mobile CPU. Also added 20 mobile SoCs, 9 digital TV or media player SoCs, and 43 industrial SoCs. Updated @ 2018-02-15 : Added 96 Intel server CPUs, 91 Intel desktop CPUs, and 127 Intel mobile CPUs. Updated @ 2018-02-07 : Added 128 AMD server CPUs, 11 AMD workstation CPUs, 128 AMD desktop CPUs, and 59 AMD mobile CPUs. Updated @ 2018-02-02 : Added 11 Intel server CPUs, 96 AMD server CPUs, 168 AMD desktop CPUs, 77 AMD mobile CPUs, 10 IBM POWER CPUs, 9 HiSilicon Kirin mobile SoCs, 10 MediaTek mobile SOCs, 4 MediaTek digital TV SoCs, and 6 NVIDIA devices to the lists of vulnerable CPUs. Updated @ 2018-01-14 : Added 416 Intel server CPUs, 8 Intel desktop CPUs, and 29 Intel mobile CPUs to the lists of vulnerable CPUs. Added a new list of 51 Intel mobile SoCs. Updated @ 2018-01-12 : Added 71 AMD server CPUs, 71 AMD desktop CPUs, 29 AMD mobile CPUs and 3 AMD server SoCs based on a vulnerable ARM CPU. Also added a table summarising the number of vulnerable processors. Updated @ 2018-01-11 : Added 18 Intel desktop CPUs and 165 Intel server / workstation CPUs. Also added a list of vulnerable Apple iOS devices, and expanded the list of vulnerable mobile SoCs used by smartphones. Originally posted @ 2018-01-08

What Are Meltdown And Spectre?

Meltdown and Spectre are two exploits that take advantage of three variants of the speculative execution bug that affects billions of CPUs around the world.

The Spectre exploit targeted Variants 1 and 2, while the Meltdown exploit targets Variant 3, of the CPU bug.

For more information on the speculative execution bug, and the Meltdown / Spectre exploits, please read Everything On The Meltdown + Spectre CPU Flaws!

The CPUs Vulnerable To Meltdown / Spectre Updated!

For easy reference, we divided the affected CPUs by Company (arranged ALPHABETICALLY – no conspiracy, we promise), and subsequently by Segment (Workstation / Desktop / Mobile), or affected variants.

As of Revision 8.0, we believe we have covered all of the affected AMD, Apple, ARM, IBM, Intel and VIA CPUs. But we will add more CPUs (and devices) as and when they’re noted to be vulnerable to the Meltdown and Spectre exploits.

Note : It’s arguable that all CPUs that uses speculative execution to any degree are potentially vulnerable to Meltdown or Spectre or a future exploit. We will only focus on CPUs that are confirmed to be vulnerable to Meltdown or Spectre.

Vulnerable CPUs By The Numbers Updated!

Here is a quick summary of the number of CPUs vulnerable to Meltdown or Spectre, according to the company, and the type of processor.

Company Spectre 1 Spectre 2 Meltdown AMD 295 Server CPUs

42 Workstation CPUs

396 Desktop CPUs

208 Mobile CPUs 295 Server CPUs

42 Workstation CPUs

396 Desktop CPUs

208 Mobile CPUs None Apple 13 Mobile SoCs 13 Mobile SoCs 13 Mobile SoCs ARM 10 Mobile CPUs

3 Server SoCs 10 Mobile CPUs

3 Server SoCs 4 Mobile CPUs

3 Server SoCs IBM 5 z/Architecture CPUs

10 POWER CPUs 5 z/Architecture CPUs

10 POWER CPUs 5 z/Architecture CPUs

10 POWER CPUs Intel 733 Server / Workstation CPUs

443 Desktop CPUs

584 Mobile CPUs

51 Mobile SoCs 733 Server / Workstation CPUs

443 Desktop CPUs

584 Mobile CPUs

51 Mobile SoCs 733 Server / Workstation CPUs

443 Desktop CPUs

584 Mobile CPUs

51 Mobile SoCs VIA 10 Desktop CPUs

12 Mobile CPUs 10 Desktop CPUs

12 Mobile CPUs 10 Desktop CPUs

12 Mobile CPUs Total 2816 CPUs 2816 CPUs 1868 CPUs

Meltdown + Spectre Reading Suggestions

The AMD Server CPUs Vulnerable To Spectre

Affected Variants : AMD CPUs are affected by both Variants 1 and 2 of the speculative execution CPU bug. Colloquially, many people refer to them as Spectre 1 and Spectre 2.

AMD Server CPUs Vulnerable To Spectre

AMD Naples (2017)

AMD EPYC 7601

AMD EPYC 7551

AMD EPYC 7551P

AMD EPYC 7501

AMD EPYC 7451

AMD EPYC 7401

AMD EPYC 7401P

AMD EPYC 7351

AMD EPYC 7351P

AMD EPYC 7301

AMD EPYC 7281

AMD EPYC 7251

AMD Toronto (2017)

AMD Opteron X3421

AMD Opteron X3418

AMD Opteron X3416

AMD Kyoto (2013)

AMD Opteron X2170

AMD Opteron X2150

AMD Opteron X1150

AMD Abu Dhabi (2012)

AMD Opteron 6386 SE

AMD Opteron 6380

AMD Opteron 6378

AMD Opteron 6370P

AMD Opteron 6366 HE

AMD Opteron 6348

AMD Opteron 6344

AMD Opteron 6338P

AMD Opteron 6328

AMD Opteron 6320

AMD Opteron 6308

AMD Seoul (2012)

AMD Opteron 4386

AMD Opteron 4376 HE

AMD Opteron 43GK HE

AMD Opteron 4365 EE

AMD Opteron 4340

AMD Opteron 4334

AMD Opteron 4332 HE

AMD Opteron 4310 EE

AMD Opteron 43CX EE

AMD Delhi (2012)

AMD Opteron 3380

AMD Opteron 3365

AMD Opteron 3350 HE

AMD Opteron 3320 EE

AMD Zurich (2012)

AMD Opteron 3280

AMD Opteron 3260 HE

AMD Opteron 3250 HE

AMD Interlagos (2011)

AMD Opteron 6284 SE

AMD Opteron 6282 SE

AMD Opteron 6278

AMD Opteron 6276

AMD Opteron 6274

AMD Opteron 6272

AMD Opteron 6262 HE

AMD Opteron 6238

AMD Opteron 6234

AMD Opteron 6230 HE

AMD Opteron 6220

AMD Opteron 6212

AMD Opteron 6204

AMD Valencia (2011)

AMD Opteron 4284

AMD Opteron 4280

AMD Opteron 4276 HE

AMD Opteron 4274 HE

AMD Opteron 42MX HE

AMD Opteron 4256 EE

AMD Opteron 4240

AMD Opteron 4238

AMD Opteron 4234

AMD Opteron 4230 HE

AMD Opteron 4228 HE

AMD Opteron 4226

AMD Opteron 42DX EE

AMD Magny-Cours (2010)

AMD Opteron 6180 SE

AMD Opteron 6176 SE

AMD Opteron 6176

AMD Opteron 6174

AMD Opteron 6172

AMD Opteron 6168

AMD Opteron 6164 HE

AMD Opteron 6140

AMD Opteron 6136

AMD Opteron 6134

AMD Opteron 6132 HE

AMD Opteron 6128

AMD Opteron 6128 HE

AMD Opteron 61QS

AMD Opteron 61KS

AMD Opteron 6124 HE

AMD Lisbon (2010)

AMD Opteron 4184

AMD Opteron 4180

AMD Opteron 4176 HE

AMD Opteron 4174 HE

AMD Opteron 4171 HE

AMD Opteron 4170 HE

AMD Opteron 41KX HE

AMD Opteron 4164 EE

AMD Opteron 4162 EE

AMD Opteron 41GL EE

AMD Opteron 4133

AMD Opteron 4130

AMD Opteron 4122

AMD Opteron 41QS HE

AMD Opteron 41LE HE

AMD Istanbul (2009)

AMD Opteron 8439 SE

AMD Opteron 8435

AMD Opteron 8431

AMD Opteron 8425 HE

AMD Opteron 8423

AMD Opteron 8419

AMD Opteron 8419 EE

AMD Opteron 2439 SE

AMD Opteron 2435

AMD Opteron 2431

AMD Opteron 2427

AMD Opteron 2425 HE

AMD Opteron 2423 HE

AMD Opteron 2419

AMD Opteron 2419 EE

AMD Suzuka (2009)

AMD Opteron 1389

AMD Opteron 1385

AMD Opteron 1381

AMD Opteron 13QS HE

AMD Opteron 13KS EE

AMD Shanghai (2009)

AMD Opteron 8393 SE

AMD Opteron 8389

AMD Opteron 8387

AMD Opteron 8386 SE

AMD Opteron 8384

AMD Opteron 8382

AMD Opteron 8381 HE

AMD Opteron 8380

AMD Opteron 8379 HE

AMD Opteron 8378

AMD Opteron 83VS

AMD Opteron 8374 HE

AMD Opteron 83QS HE

AMD Opteron 2393 SE

AMD Opteron 2389

AMD Opteron 2387

AMD Opteron 2386 SE

AMD Opteron 2384

AMD Opteron 2382

AMD Opteron 2381 HE

AMD Opteron 2380

AMD Opteron 2379 HE

AMD Opteron 2378

AMD Opteron 2377 EE

AMD Opteron 2376

AMD Opteron 2376 HE

AMD Opteron 23VS

AMD Opteron 2374 HE

AMD Opteron 2373 EE

AMD Opteron 2372 HE

AMD Opteron 23QS HE

AMD Opteron 23KS EE

AMD Budapest (2008)

AMD Opteron 1356

AMD Opteron 1354

AMD Opteron 1352

AMD Barcelona (2007)

AMD Opteron 8360 SE

AMD Opteron 8357 SE

AMD Opteron 8356

AMD Opteron 8354

AMD Opteron 8352

AMD Opteron 8350

AMD Opteron 8350 HE

AMD Opteron 8347

AMD Opteron 8347 HE

AMD Opteron 8346 HE

AMD Santa Rosa (2006)

AMD Opteron 8224 SE

AMD Opteron 8222 SE

AMD Opteron 8222

AMD Opteron 8220 SE

AMD Opteron 8220

AMD Opteron 8218

AMD Opteron 8218 HE

AMD Opteron 8216

AMD Opteron 8216 HE

AMD Opteron 8214

AMD Opteron 8214 HE

AMD Opteron 8212

AMD Opteron 8212 HE

AMD Opteron 8210 EE

AMD Opteron 2224 SE

AMD Opteron 2222 SE

AMD Opteron 2222

AMD Opteron 2220 SE

AMD Opteron 2220

AMD Opteron 2218

AMD Opteron 2218 HE

AMD Opteron 2216

AMD Opteron 2216 HE

AMD Opteron 2214

AMD Opteron 2214 HE

AMD Opteron 2212

AMD Opteron 2212 HE

AMD Opteron 2210

AMD Opteron 2210 HE

AMD Opteron 2210 EE

AMD Opteron 2208 HE

AMD Santa Ana (2006)

AMD Opteron 1224 SE

AMD Opteron 1222 SE

AMD Opteron 1222

AMD Opteron 1220 SE

AMD Opteron 1220

AMD Opteron 1218

AMD Opteron 1218 HE

AMD Opteron 1216

AMD Opteron 1216 HE

AMD Opteron 1214

AMD Opteron 1214 HE

AMD Opteron 1212

AMD Opteron 1212 HE

AMD Opteron 1210

AMD Opteron 1210 HE

AMD Opteron 1210 EE

AMD Egypt (2005)

AMD Opteron 890

AMD Opteron 885

AMD Opteron 880

AMD Opteron 875

AMD Opteron 875 HE

AMD Opteron 870

AMD Opteron 870 HE

AMD Opteron 865

AMD Opteron 865 HE

AMD Opteron 860 HE

AMD Italy (2005)

AMD Opteron 290

AMD Opteron 285

AMD Opteron 280

AMD Opteron 275

AMD Opteron 275 HE

AMD Opteron 270

AMD Opteron 270 HE

AMD Opteron 265

AMD Opteron 265 HE

AMD Opteron 260 HE

AMD Denmark (2005)

AMD Opteron 190

AMD Opteron 185

AMD Opteron 180

AMD Opteron 175

AMD Opteron 170

AMD Opteron 165

AMD Athens (2004)

AMD Opteron 856

AMD Opteron 854

AMD Opteron 852

AMD Opteron 850

AMD Opteron 850 HE

AMD Opteron 848

AMD Opteron 848 HE

AMD Opteron 846

AMD Opteron 846 HE

AMD Opteron 844

AMD Opteron 842

AMD Troy (2004)

AMD Opteron 256

AMD Opteron 254

AMD Opteron 252

AMD Opteron 250

AMD Opteron 250 HE

AMD Opteron 248

AMD Opteron 248 HE

AMD Opteron 246

AMD Opteron 246 HE

AMD Opteron 244

AMD Opteron 242

AMD Venus (2004)

AMD Opteron 156

AMD Opteron 154

AMD Opteron 152

AMD Opteron 150

AMD Opteron 148

AMD Opteron 148 HE

AMD Opteron 146

AMD Opteron 144

AMD Opteron 142

AMD Sledgehammer (2003)

AMD Opteron 850

AMD Opteron 848

AMD Opteron 846

AMD Opteron 846 HE

AMD Opteron 844

AMD Opteron 842

AMD Opteron 840

AMD Opteron 840 EE

AMD Opteron 250

AMD Opteron 248

AMD Opteron 246

AMD Opteron 246 HE

AMD Opteron 244

AMD Opteron 242

AMD Opteron 240

AMD Opteron 240 EE

AMD Opteron 150

AMD Opteron 148

AMD Opteron 146

AMD Opteron 146 HE

AMD Opteron 144

AMD Opteron 142

AMD Opteron 140

AMD Opteron 140 EE

Next Page > AMD Workstation & Desktop CPUs Vulnerable To Spectre

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