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Intel Core i7-9800X [Desktop]

General

Vendor
  • Intel
Family
  • Core i7
Model
  • i7-9800X
Architecture
  • Skylake
Core Codenames
  • Skylake-X Refresh
Release Dates
  • November, 2018

Package

Package Types
  • 2066-land LGA
Sockets
  • LGA2066 (Socket R4)
Lithography
  • 14 nm
Package and Die
  • 52.5 × 45 mm package
  • 326 mm² die area
Core Steppings
  • M0
CPUIDs
  • 50654
Spec Codes
SREZ9
Part Numbers

Core Configuration

Core Structure

Number of Cores
  • 8
Number of Threads
  • 16
Multi-Threaded Cores
  • Yes (simultaneous)
Core Clock Frequency
  • 3.80 GHz
Turbo Core Clock Frequency
  • 4.50 GHz (TBM3T; 1 – 2 cores)
  • 4.40 GHz (1 – 4 cores)
  • 4.10 GHz (5 – 8 cores)
Base Clock Frequency
  • 100 MHz
Clock Multiplier
  • × 38
Unlocked Clock Multiplier
  • Yes

Memory

Level 1 Instruction Cache
  • 32 kB × 8
  • Full-speed
Level 1 Data Cache
  • 32 kB × 8
  • Full-speed
Level 2 Cache
  • 1 MB × 8
  • Full-speed
Level 3 Cache
  • 16.5 MB
  • Full-speed

Data Connection

Data Bus

Data Connection Type
  • External Direct Media Interface 3.0
  • 4-bit (PCIe 3.0 ×4)
  • Single data rate
DMI Frequency
  • 8000 MHz (initial)
  • 8000 MT/s (effective)

Electrical and Thermal

Power

VID Range
  • 0.55 — 1.35 V
Configurable TDP
  • No
TDP
  • 165 W
Maximum Operating Temperature
  • 95°C

Integrated Graphics

Graphics

Integrated Graphics
  • None

Features

Instruction Sets
  • x86
  • x86_64
Instruction Set Extensions
  • AES
  • AVX1 / AVX2 / AVX-512
  • BMI1 / BMI2
  • F16C
  • FMA3
  • MMX
  • SSE / SSE2 / SSE3 / SSE4.1 / SSE4.2 / SSSE3
Core Features
  • Hyper-Threading
  • Integrated memory controller (DDR4)
  • Intel 64
  • Turbo Boost 2.0
  • Turbo Boost Max 3.0
  • VT-d / VT-x
  • XD
Low-Power Features
  • C-states
  • Enhanced SpeedStep

Compatibility

Platform Support
  • Basin Falls Refresh with Lewisburg chipsets
Supported Chipsets
  • Intel X299
Supported RAM Types
  • 64-bit single-channel memory bus
  • 128-bit dual-channel memory bus
  • 192-bit tri-channel memory bus
  • 256-bit quad-channel memory bus
  • DDR4-1600 / DDR4-1866 / DDR4-2133 / DDR4-2400 / DDR4-2666
Maximum Memory Bandwidth
  • Up to 21.328 GB/s (single-channel)
  • Up to 42.656 GB/s (dual-channel)
  • Up to 63.984 GB/s (tri-channel)
  • Up to 85.312 GB/s (quad-channel)
RAM Limit
  • 128 GB

Notes

Notes for This Processor
  1. Boxed processor.
  2. OEM processor.

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