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{{intel title|Airmont|arch}}
 
{{intel title|Airmont|arch}}
 
{{microarchitecture
 
{{microarchitecture
 +
| atype            = CPU
 
| name          = Airmont
 
| name          = Airmont
 
| designer      = Intel
 
| designer      = Intel
Line 17: Line 18:
 
| speculative  = Yes
 
| speculative  = Yes
 
| renaming      = Yes
 
| renaming      = Yes
−
| isa           = IA-32
+
|isa=x86-64
−
| isa 2        = x86-64
+
 
 
| stages min    = 12
 
| stages min    = 12
 
| stages max    = 14
 
| stages max    = 14
Line 39: Line 40:
  
 
| cache        = Yes
 
| cache        = Yes
−
| l1i          = 32 KB
+
| l1i          = 32 KiB
 
| l1i per      = Core
 
| l1i per      = Core
 
| l1i desc      = 8-way set associative
 
| l1i desc      = 8-way set associative
−
| l1d          = 24 KB
+
| l1d          = 24 KiB
 
| l1d per      = Core
 
| l1d per      = Core
 
| l1d desc      = 6-way set associative
 
| l1d desc      = 6-way set associative
−
| l2            = 1 MB
+
| l2            = 1 MiB
 
| l2 per        = 2 Cores
 
| l2 per        = 2 Cores
 
| l2 desc      = 16-way set associative
 
| l2 desc      = 16-way set associative
Line 79: Line 80:
 
== Process Technology ==
 
== Process Technology ==
 
{{main|intel/microarchitectures/broadwell#Process_Technology|l1=Broadwell § Process Technology}}
 
{{main|intel/microarchitectures/broadwell#Process_Technology|l1=Broadwell § Process Technology}}
−
Goldmont-based chips are manufactured on Intel's [[14 nm process]].
+
Airmont-based chips are manufactured on Intel's [[14 nm process]].
  
 
== Architecture==
 
== Architecture==
Line 96: Line 97:
 
** Hardware prefetchers
 
** Hardware prefetchers
 
** L1 Cache:
 
** L1 Cache:
−
*** 32 KB 8-way [[set associative]] instruction, 64 B line size
+
*** 32 [[KiB]] 8-way [[set associative]] instruction, 64 B line size
−
*** 24 KB 6-way set associative data, 64 B line size
+
*** 24 KiB 6-way set associative data, 64 B line size
 
*** Per core
 
*** Per core
 
** L2 Cache:
 
** L2 Cache:
−
*** 1 MB 16-way set associative, 64 B line size
+
*** 1 MiB 16-way set associative, 64 B line size
 
*** Per 2 cores
 
*** Per 2 cores
 
** L3 Cache:
 
** L3 Cache:
 
*** No level 3 cache
 
*** No level 3 cache
 
** RAM
 
** RAM
−
*** Maximum of 1GB, 2 GB, and 4 GB
+
*** Maximum of 1 [[GiB]], 2 GiB, and 4 GiB
 
*** dual 32-bit channels, 1 or 2 ranks per channel
 
*** dual 32-bit channels, 1 or 2 ranks per channel
  

Latest revision as of 18:40, 30 November 2017

Edit Values
Airmont µarch
General Info
Arch TypeCPU
DesignerIntel
ManufacturerIntel
Introduction2015
Phase-out2017
Process14 nm
Core Configs1, 2, 4, 8
Pipeline
TypeSuperscalar
SpeculativeYes
Reg RenamingYes
Stages12-14
Instructions
ISAx86-64
ExtensionsMOVBE, MMX, SSE, SSE2, SSE3, SSSE3, SSE4.1, SSE4.2, POPCNT, AES, PCLMUL, RDRND
Cache
L1I Cache32 KiB/Core
8-way set associative
L1D Cache24 KiB/Core
6-way set associative
L2 Cache1 MiB/2 Cores
16-way set associative
Cores
Core NamesCherry Trail,
Braswell
Succession

Airmont is Intel's 14 nm microarchitecture for the Atom family of system on chips. Introduced in 2015, Airmont is a shrink of Silvermont.

Codenames[edit]

Platform Core Target
Braswell Braswell Netboooks, Tablets, Entry-level PCs
Cherry Trail Cherry Trail Lightweight tablets / High-end Smartphones
Riverton Riverton Smartphones (HSPA+, LTE Category 3, and TD-SCDMA)
Binghamton Binghamton Smartphones (3G only)

Process Technology[edit]

Main article: Broadwell § Process Technology

Airmont-based chips are manufactured on Intel's 14 nm process.

Architecture[edit]

Airmont is for the most part identical to Silvermont with some higher number of execution units to the GPU in some of the higher-end models.

Key changes from Silvermont[edit]

  • DTLB table size doubled (128 entries -> 256 entries)
  • L2 latency increased
  • Reorder Buffer was increased (from 32 entries to 48)
  • Gen 8 GPUs

Block Diagram[edit]

silvermont block.png

Memory Hierarchy[edit]

  • Cache
    • Hardware prefetchers
    • L1 Cache:
      • 32 KiB 8-way set associative instruction, 64 B line size
      • 24 KiB 6-way set associative data, 64 B line size
      • Per core
    • L2 Cache:
      • 1 MiB 16-way set associative, 64 B line size
      • Per 2 cores
    • L3 Cache:
      • No level 3 cache
    • RAM
      • Maximum of 1 GiB, 2 GiB, and 4 GiB
      • dual 32-bit channels, 1 or 2 ranks per channel

Multithreading[edit]

Airmont, like Silvermont has no support for Intel Hyper-Threading Technology.

Pipeline[edit]

Main article: Silvermont's Pipeline

Airmont's pipeline is identical to Silvermont's.

silvermont pipeline.svg

Cores[edit]

All Airmont Chips[edit]

Airmont Chips
Main processorIGP
ModelFamilyPlatformCoreLaunchedSDPTDPFreqMax MemNameFreqMax Freq
x5-E8000Atom x5BraswellBraswell8 February 20165 W
5,000 mW
0.00671 hp
0.005 kW
1,040 MHz
1.04 GHz
1,040,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics (Braswell)320 MHz
0.32 GHz
320,000 KHz
x5-Z8300Atom x5Cherry TrailCherry Trail2 March 20152 W
2,000 mW
0.00268 hp
0.002 kW
1,440 MHz
1.44 GHz
1,440,000 kHz
2,048 MiB
2,097,152 KiB
2,147,483,648 B
2 GiB
0.00195 TiB
HD Graphics (Cherry Trail)200 MHz
0.2 GHz
200,000 KHz
500 MHz
0.5 GHz
500,000 KHz
x5-Z8330Atom x5Cherry TrailCherry Trail8 February 20162 W
2,000 mW
0.00268 hp
0.002 kW
1,440 MHz
1.44 GHz
1,440,000 kHz
2,048 MiB
2,097,152 KiB
2,147,483,648 B
2 GiB
0.00195 TiB
HD Graphics 400200 MHz
0.2 GHz
200,000 KHz
500 MHz
0.5 GHz
500,000 KHz
x5-Z8350Atom x5Cherry TrailCherry Trail8 February 20162 W
2,000 mW
0.00268 hp
0.002 kW
1,440 MHz
1.44 GHz
1,440,000 kHz
2,048 MiB
2,097,152 KiB
2,147,483,648 B
2 GiB
0.00195 TiB
HD Graphics (Cherry Trail)200 MHz
0.2 GHz
200,000 KHz
500 MHz
0.5 GHz
500,000 KHz
x5-Z8500Atom x5Cherry TrailCherry Trail2 March 20152 W
2,000 mW
0.00268 hp
0.002 kW
1,440 MHz
1.44 GHz
1,440,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics (Cherry Trail)200 MHz
0.2 GHz
200,000 KHz
600 MHz
0.6 GHz
600,000 KHz
x5-Z8550Atom x5Cherry TrailCherry Trail8 February 20162 W
2,000 mW
0.00268 hp
0.002 kW
1,440 MHz
1.44 GHz
1,440,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 400200 MHz
0.2 GHz
200,000 KHz
600 MHz
0.6 GHz
600,000 KHz
x7-Z8700Atom x7Cherry TrailCherry Trail2 March 20152 W
2,000 mW
0.00268 hp
0.002 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics (Cherry Trail)200 MHz
0.2 GHz
200,000 KHz
600 MHz
0.6 GHz
600,000 KHz
x7-Z8750Atom x7Cherry TrailCherry Trail2 March 20152 W
2,000 mW
0.00268 hp
0.002 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 405200 MHz
0.2 GHz
200,000 KHz
600 MHz
0.6 GHz
600,000 KHz
J3060CeleronBraswell15 January 20166 W
6,000 mW
0.00805 hp
0.006 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 400320 MHz
0.32 GHz
320,000 KHz
700 MHz
0.7 GHz
700,000 KHz
J3160CeleronBraswell15 January 20166 W
6,000 mW
0.00805 hp
0.006 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 400320 MHz
0.32 GHz
320,000 KHz
700 MHz
0.7 GHz
700,000 KHz
N3000CeleronBraswellMarch 20153 W
3,000 mW
0.00402 hp
0.003 kW
4 W
4,000 mW
0.00536 hp
0.004 kW
1,040 MHz
1.04 GHz
1,040,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics (Braswell)320 MHz
0.32 GHz
320,000 KHz
600 MHz
0.6 GHz
600,000 KHz
N3010CeleronBraswell10 January 20163 W
3,000 mW
0.00402 hp
0.003 kW
4 W
4,000 mW
0.00536 hp
0.004 kW
1,040 MHz
1.04 GHz
1,040,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 400320 MHz
0.32 GHz
320,000 KHz
600 MHz
0.6 GHz
600,000 KHz
N3050CeleronBraswellMarch 20154 W
4,000 mW
0.00536 hp
0.004 kW
6 W
6,000 mW
0.00805 hp
0.006 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics (Braswell)320 MHz
0.32 GHz
320,000 KHz
600 MHz
0.6 GHz
600,000 KHz
N3060CeleronBraswell15 January 20164 W
4,000 mW
0.00536 hp
0.004 kW
6 W
6,000 mW
0.00805 hp
0.006 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 400320 MHz
0.32 GHz
320,000 KHz
600 MHz
0.6 GHz
600,000 KHz
N3150CeleronBraswellMarch 20154 W
4,000 mW
0.00536 hp
0.004 kW
6 W
6,000 mW
0.00805 hp
0.006 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
16,384 MiB
16,777,216 KiB
17,179,869,184 B
16 GiB
0.0156 TiB
HD Graphics (Braswell)320 MHz
0.32 GHz
320,000 KHz
640 MHz
0.64 GHz
640,000 KHz
N3160CeleronBraswell15 January 20163 W
3,000 mW
0.00402 hp
0.003 kW
4 W
4,000 mW
0.00536 hp
0.004 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 400320 MHz
0.32 GHz
320,000 KHz
640 MHz
0.64 GHz
640,000 KHz
J3710PentiumBraswell10 January 20166.5 W
6,500 mW
0.00872 hp
0.0065 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 405400 MHz
0.4 GHz
400,000 KHz
740 MHz
0.74 GHz
740,000 KHz
N3700PentiumBraswellMarch 20154 W
4,000 mW
0.00536 hp
0.004 kW
6 W
6,000 mW
0.00805 hp
0.006 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics (Braswell)400 MHz
0.4 GHz
400,000 KHz
700 MHz
0.7 GHz
700,000 KHz
N3710PentiumBraswellMarch 20154 W
4,000 mW
0.00536 hp
0.004 kW
6 W
6,000 mW
0.00805 hp
0.006 kW
1,600 MHz
1.6 GHz
1,600,000 kHz
8,192 MiB
8,388,608 KiB
8,589,934,592 B
8 GiB
0.00781 TiB
HD Graphics 405400 MHz
0.4 GHz
400,000 KHz
700 MHz
0.7 GHz
700,000 KHz
Count: 19
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