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Tiger Lake - Microarchitectures - Intel
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Tiger Lake µarch
General Info
Arch TypeCPU
DesignerIntel
ManufacturerIntel
IntroductionSeptember 2, 2020
Process10 nm
Core Configs2, 4, 6, 8
Pipeline
OoOEYes
SpeculativeYes
Reg RenamingYes
Stages14-19
Decode5-way
Instructions
ISAx86-64
Cache
L1I Cache32 KiB/core
8-way set associative
L1D Cache48 KiB/core
12-way set associative
L2 Cache1280 KiB/core
20-way set associative
L3 Cache3 MiB/core
12-way set associative
Cores
Core NamesTiger Lake U,
Tiger Lake H
Succession
Contemporary
Sapphire Rapids
Rocket Lake

Tiger Lake (TGL) is Intel's successor to Ice Lake, a 10nm microarchitecture for mainstream workstations, desktops, and mobile devices.

Codenames

Core Abbrev Description Graphics Target
Tiger Lake Y TGL-Y Extremely low power 2-in-1s detachable, tablets, and computer sticks
Tiger Lake U TGL-U Ultra-low Power Light notebooks, portable All-in-Ones (AiOs), Minis, and conference room
Tiger Lake H35 TGL-H35 High-performance Graphics 35W TDP. High mobile performance, mobile workstations
Tiger Lake H TGL-H High-performance Graphics 45W TDP. Ultimate mobile performance, mobile gaming, mobile workstations

Process Technology

Main article: Cannon Lake § Process Technology

Tiger Lake will be manufactured on Intel's third generation enhanced 10nm++ process.

History

Intel 2019 and 2020 Roadmap

Tiger Lake was first announced at Intel's 2019 Investor Meeting in May. Tiger Lake was said to succeed Ice Lake in 2020.

Architecture

Not much is known about Tiger Lake's architecture.

Key changes from Ice Lake

  • Core
    • Sunny Cove Willow Cove
      • Implemented POP to PUSH data forwarding, reg->reg and imm->reg (~1 PUSH+POP pair per cycle)
    • Up to 50% larger Level 3 cache - 3MB per core from 2MB per core
    • 2,5x larger Level 2 cache - 1,25MB per core from 512KB per core
  • GPU
    • Gen11 Gen12 (Xe)
    • 1.5x more EUs (96, up from 64)
  • Display
    • HDMI 2.1 (from HDMI 2.0b)
  • I/O
    • PCIe 4.0 (from 3.0)
  • Hardware Telemetry
    • Intel Platform Monitoring Technology provides access to hardware performance, sampling and tracing data.
codenameTiger Lake +
core count2 +, 4 +, 6 + and 8 +
designerIntel +
first launchedSeptember 2, 2020 +
full page nameintel/microarchitectures/tiger lake +
instance ofmicroarchitecture +
instruction set architecturex86-64 +
manufacturerIntel +
microarchitecture typeCPU +
nameTiger Lake +
pipeline stages (max)19 +
pipeline stages (min)14 +
process10 nm (0.01 μm, 1.0e-5 mm) +