Sierra Forest

Sierra Forest is a codename for Intel's first generation E-core based Xeon server processors.[1][2][3] It is fabricated using Intel's Intel 3 process.[4][5] Sierra Forest will be used as part of the Birch Stream server platform in 2024.[6]

Sierra Forest
General information
Launched	2024
Designed by	Intel
Architecture and classification
Technology node	Intel 3
Architecture	x86-64
Instruction set	x86-64
Instructions	x86-64
Extensions	AES-NI, CLMUL, RDRAND, SHA, TXT MMX, SSE, SSE2, SSE3, SSSE3, SSE4, SSE4.1, SSE4.2 AVX, AVX2, FMA3, AVX-512, AVX-VNNI, TSX VT-x, VT-d
Products, models, variants
Brand name(s)	Xeon
History
Predecessor	Xeon Phi

References

"Intel confirms 15th Gen Core "Arrow Lake", Xeon "Granite Rapids" and "Sierra Forest" 2024 series". VideoCardz. 2022-02-17.
"Intel Discloses Multi-Generation Xeon Scalable Roadmap: New E-Core Only Xeons in 2024". AnandTech. 2022-02-17.
"Intel Client & Server CPU Roadmap Updates: Meteor Lake In 2023, 20A & 18A Powered Xeons & Core Chips Beyond 2024". Wccftech. 2022-02-17.
"Intel Unveils New Xeon Roadmap, E-Cores Coming to the Data Center". Tom's Hardware. Retrieved 2022-02-17.
"Intel Sierra Forest the E-Core Xeon Intel Needs". ServeTheHome. 2022-02-17.
"Intel Birch Stream-AP Platform for Sierra Forest CPUs Listed With LGA 7529 Socket". Tom's Hardware. 2021-07-09.

Intel processors

Lists

Microprocessors
- Atom
- Celeron
- Pentium
  - Pro
  - II
  - III
  - 4
  - D
  - M
- Core
  - 2
  - i3
  - i5
  - i7
  - i9
  - M
- Xeon
- Quark
- Itanium
Microarchitectures
Chipsets

Microarchitectures

x86-32 (32-bit)	P5 P6 P6 variant (Pentium M) P6 variant (Enhanced Pentium M) NetBurst
x86-64 (64-bit)	Core Penryn Nehalem Westmere Sandy Bridge Ivy Bridge Haswell Broadwell Skylake Cannon Lake Sunny Cove Cypress Cove Willow Cove Golden Cove
x86 ULV	Bonnell Saltwell Silvermont Goldmont Goldmont Plus Tremont Gracemont

Current products

x86-64 (64-bit)	Atom Celeron Pentium Core 10th gen 11th gen 12th gen Xeon

Discontinued

BCD oriented (4-bit)	4004 (1971) 4040 (1974)
pre-x86 (8-bit)	8008 (1972) 8080 (1974) 8085 (1977)
Early x86 (16-bit)	8086 (1978) 8088 (1979) 80186 (1982) 80188 (1982) 80286 (1982)
x87 (external FPUs)	8/16-bit databus 8087 (1980) 16-bit databus 80187 80287 80387SX 32-bit databus 80387DX 80487
IA-32 (32-bit)	80386 SX 376 EX 80486 SX DX2 DX4 SL RapidCAD OverDrive A100/A110 Atom CE SoC Celeron (1998) M D (2004) Pentium Original P5 OverDrive Pro II II OverDrive III 4 M Dual-Core Core Xeon P6-based NetBurst-based Core-based Quark Tolapai
x86-64 (64-bit)	Atom SoC CE Celeron D Dual-Core Pentium 4 D Extreme Edition Dual-Core Core 2 1st gen 2nd gen 3rd gen 4th gen 5th gen 6th gen 7th gen 8th gen 9th gen M Xeon Nehalem-based Sandy Bridge-based Ivy Bridge-based Haswell-based Broadwell-based Skylake-based
Other	CISC iAPX 432 EPIC Itanium RISC i860 i960 StrongARM XScale

Intel CPU core roadmaps from P6 to Lunar Lake

Microarch.	Step	Feature size	Microarch.	Step
Atom (ULV)		Feature size	x86
		600 nm	P6	Pentium Pro (133 MHz)
		500 nm		Pentium Pro (150 MHz)
		350 nm		Pentium Pro (166–200 MHz)
		350 nm		Klamath
		250 nm		Deschutes
		250 nm		Katmai	NetBurst
		180 nm		Coppermine	Willamette
		130 nm		Tualatin	Northwood
		130 nm		Banias	Northwood		NetBurst(HT)		NetBurst(×2)
		90 nm		Dothan	Prescott	⇨	Prescott‑2M	⇨	Smithfield
		90 nm		Dothan	~~Tejas~~	→	⇩	→	~~Cedarmill (Tejas)~~
		65 nm		Yonah	~~Nehalem (NetBurst)~~		Cedar Mill	⇨	Presler
		65 nm	Core	Merom	4 cores on mainstream desktop, DDR3 introduced
Bonnell	Bonnell	45 nm	Core	Penryn
	Bonnell	45 nm	Nehalem	Nehalem	HT reintroduced, integrated MC, PCH L3-cache introduced, 256KB L2-cache/core
	Saltwell	32 nm	Nehalem	Westmere	Introduced GPU on same package and AES-NI
	Saltwell	32 nm	Sandy Bridge	Sandy Bridge	On-die ring bus, no more non-UEFI motherboards
Silvermont	Silvermont	22 nm	Sandy Bridge	Ivy Bridge
	Silvermont	22 nm	Haswell	Haswell	FIVR
	Airmont	14 nm	Haswell	Broadwell
	Airmont		Skylake	Skylake	DDR4 introduced on mainstream desktop
Goldmont	Goldmont			Kaby Lake
				Coffee Lake	6 cores on mainstream desktop
				Amber Lake	Mobile-only
	Goldmont Plus			Whiskey Lake	Mobile-only
				Coffee Lake Refresh	8 cores on mainstream desktop
				Comet Lake	10 cores on mainstream desktop
			Cypress Cove	Rocket Lake	Backported Sunny Cove microarchitecture for 14nm
Tremont	Tremont	10 nm	Palm Cove	Cannon Lake	Mobile-only
			Sunny Cove	Ice Lake	512 KB L2-cache/core
			Willow Cove	Tiger Lake	X^e graphics engine
Gracemont	Gracemont	Intel 7	Golden Cove	Alder Lake	Hybrid, DDR5, PCIe 5.0
Gracemont	Gracemont	Intel 7	TBA	Raptor Lake
TBA	TBA	Intel 4		Meteor Lake
		Intel 20A		Arrow Lake
		Intel 18A		Lunar Lake

~~Strike-through~~ indicates cancelled processors
Bold names are microarchitectures
Italic names are future processors

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Sierra Forest

See also

References