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Intel Core i9 9900K
Intel Desktop CPU

Intel Core i9 9900K

41C
Cores8
Threads16
Boost Clock5 GHz
TDP95 W
SocketLGA-1151
Process14 nm
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Benchmarks

Cinebench 2024 Single-Core79
Cinebench 2024 Multi-Core706
TDP95 W
Cache L316MB
Cinebench 2024 (Single)79
Cinebench 2024 (Multi)706
Geekbench 6 (Single-Core)1621
Geekbench 6 (Multi-Core)8151
Passmark CPU (Single-Core)2911
Passmark CPU (Multi-Core)18,059
Blender CPU178.22
iGPU FLOPS0.5 TFLOPS

Full specifications

GeekBench v6

File compression
545.7 MB/sec
Clang compilation
67.7 Klines/sec
HTML 5 Browser
175.1 pages/sec
PDF Renderer
275.6 Mpixels/sec
Text processing
159 pages/sec
Background blur
40.4 images/sec
Photo processing
68.6 images/sec
Ray tracing
14.5 Mpixels/sec

PassMark

Integer math
66.1 GOps/sec
Floating point math
41 GOps/sec
Find prime numbers
46M Primes/sec
Random string sorting
36.1M Strings/sec
Data encryption
6.3 GBytes/sec
Data compression
282.6 MBytes/sec
Physics
929 Frames/sec
Extended instructions
19B Matrices/sec

Performance Per Watt

Cinebench 2024 / Watt
7.4 PPW
Geekbench 6 Multi / Watt
85.8 PPW
Passmark CPU Mark / Watt
190.1 PPW
Blender / Watt
1.88 PPW

General

Vendor
Intel
Released
October 8, 2018
Type
Desktop
Instruction Set
x86-64
Codename
Coffee Lake
Model number
i9-9900K
Integrated GPU
UHD Graphics 630
AMD Equivalent
- AMD Ryzen 9 3900X
Successor
- Intel Core Ultra 9 285K

CPU

P-Cores
8
P-Threads
16
Base Frequency (P)
3.6 GHz
Turbo Boost Frequency (P)
5 GHz
Total Cores
8
Total Threads
16
Bus Frequency
100 MHz
Multiplier
36x
Bus Bandwidth
8 GT/s
L1 Cache
64K (per core)
L2 Cache
256K (per core)
L3 Cache
16MB (shared)
Unlocked Multiplier
Yes

Package

Fabrication Process
14 nm
TDP (PL1)
95 W
Socket
LGA-1151
Peak Temperature
100°C

iGPU

Integrated Graphics
Intel UHD Graphics 630
GPU Base Clock
350 MHz
GPU Boost Clock
1200 MHz
Shading Units
192
TMUs
24
ROPs
3
Execution Units
24
TGP
15 W

Memory Support

Memory Types
- DDR4-2666
Max. Memory Size
128 GB
Memory Channels
2
Max. Memory Bandwidth
41.6 GB/s
ECC Support
No

Misc

Official Site
Intel Core i9 9900K official page
PCI Express Version
3.0
PCI Express Lanes
16
Technologies
- Compute: BMI1, BMI2, CLMUL, F16C - Performance: Boost 2.0, EIST, HTT, TSX - Virtualization: VT-d, VT-x - Security: TXT, XD bit, vPro

Specifications compiled from NanoReview. Last updated 2026-09-29.

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