Intel Core i9 10900K

Intel Core i9 10900K
  • Cores: 10
  • L3 cache: 20MB (shared)
  • TDP: 125 W
  • Transistor size: 14 nm
Core i9 10900K - desktop processor produced by Intel for socket LGA-1200 that has 10 cores and 20 threads. The base clock frequency of the CPU is 3700 MHz, but due to Turbo Boost technology, it can perform up to 5300 MHz. The size of the L3 cache is 20 MB. Please note that this chip has integrated graphics Intel UHD Graphics 630.

Review

Single-Core Performance
49
Multi-Core Performance
35
Power Efficiency
41
Integrated Graphics
23
NanoReview Final Score
43
Compare Intel Core i9 10900K with other CPUs

Test in Benchmarks

Performance test of Intel Core i9 10900K in benchmarks

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
61
Cinebench 2024 (Multi)
714

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
1704
Geekbench 6 (Multi-Core)
9362
File compression 653.7 MB/sec
Clang compilation 85.1 Klines/sec
HTML 5 Browser 187.3 pages/sec
PDF Renderer 311.4 Mpixels/sec
Text processing 169 pages/sec
Background blur 44.5 images/sec
Photo processing 71.6 images/sec
Ray tracing 19.2 Mpixels/sec
Sources: GeekBench [1]901 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
3106
Passmark CPU (Multi-Core)
22233
Integer math 85.3 GOps/sec
Floating point math 53.1 GOps/sec
Find prime numbers 62M Primes/sec
Random string sorting 46.2M Strings/sec
Data encryption 7.6 GBytes/sec
Data compression 374.1 MBytes/sec
Physics 1020 Frames/sec
Extended instructions 24.6B Matrices/sec
Sources: PassMark [3]4675 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
233.21

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 5.7 PPW
Geekbench 6 Multi / Watt 74.9 PPW
Passmark CPU Mark / Watt 177.9 PPW
Blender / Watt 1.87 PPW
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.

Recent User Tests

The latest benchmark tests that have been submitted by users
DateBenchmarkResult
📘 2025-11-05 (e)Cinebench 202461 / 714

Specifications

Core i9 10900K technical specifications

General

Vendor Intel
Released May 1, 2020
Type Desktop
Instruction Set x86-64
Codename Comet Lake
Model number i9-10900K
Integrated GPU UHD Graphics 630
AMD Equivalent - AMD Ryzen 9 5900X
Successor - Intel Core Ultra 9 285K

CPU

Performance Cores
P-Cores 10
P-Threads 20
Base Frequency (P) 3.7 GHz
Turbo Boost Frequency (P) 5.3 GHz
Total
Total Cores 10
Total Threads 20
Bus Frequency 100 MHz
Multiplier 37x
Bus Bandwidth 8 GT/s
L1 Cache 64K (per core)
L2 Cache 256K (per core)
L3 Cache 20MB (shared)
Unlocked Multiplier Yes

Package

Fabrication Process 14 nm
TDP (PL1) 125 W
Socket LGA-1200
Peak Temperature 100°C
Desktop CPU ranking - 137th place

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
iGPU FLOPS
0.5 TFLOPS
See also: Intel UHD Graphics 630 – integrated graphics of Intel Core i9 10900K

Memory Support

Memory Types - DDR4-2933
Max. Memory Size 128 GB
Memory Channels 2
Max. Memory Bandwidth 45.8 GB/s
ECC Support No

Misc

Official Site Intel Core i9 10900K official page
PCI Express Version 3.0
PCI Express Lanes 16
Technologies
- Compute: ABM, ADX, BMI1, BMI2, CLMUL, F16C
- Performance: EIST, TBT 2.0, TBT 3.0, TSX, TVB
- Virtualization: VT-d, VT-x
- Security: RDRAND, TXT, XD bit

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