Home > CPU Comparison > Core i9 9900K or Ryzen 7 7800X3D: what's better?

Intel Core i9 9900K vs AMD Ryzen 7 7800X3D

41 out of 100
Intel Core i9 9900K
VS
64 out of 100
AMD Ryzen 7 7800X3D
Intel Core i9 9900K
AMD Ryzen 7 7800X3D

We compared two 8-core desktop CPUs: the 3.6 GHz Intel Core i9 9900K against the 4.2 GHz AMD Ryzen 7 7800X3D. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.

  1. Review
  2. Differences
  3. Performance
  4. Specs
  5. Comments

Review

General overview and comparison of the processors
Single-Core Performance
Performance in single-threaded apps and benchmarks
Multi-Core Performance
Measure performance when all cores are involved
Power Efficiency
The efficiency score of power consumption
Integrated Graphics
iGPU capabilities for gaming and 3D-intensive tasks
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
NanoReview Final Score
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
πŸ”Œ Usage Scenario:

Value for money (Beta)

Global average CPU prices are used by default! For better accuracy, enter your current prices and click β€œCalculate".
Currency
VS
11.7
(Bad)
Value Index
43.6
(Average)

Key Differences

What are the key differences between 7800X3D and 9900K
Advantages of Intel Core i9 9900K
  • Unlocked multiplier
  • More than 11Β° C higher critical temperature
Advantages of AMD Ryzen 7 7800X3D
  • Has 80 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • More modern manufacturing process – 5 versus 14 nanometers
  • Newer - released 4 years and 4 months later
  • Newer PCI Express version – 5.0
  • 64% faster in a single-core Geekbench v6 test - 2657 vs 1621 points
  • More powerful Radeon Graphics (Ryzen 7000) integrated graphics: 0.6 vs 0.5 TFLOPS

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 9900K
vs
Ryzen 7 7800X3D

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) - 575
Cinebench 2026 (Multi) - 4363
Cinebench Scores (#124th place)
Submit your benchmark results

GeekBench v6

The new version of this benchmark emulates common operations often used in real-world apps
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
Core i9 9900K
8151
Ryzen 7 7800X3D +88%
15319
File compression 545.7 MB/sec 1710 MB/sec
Clang compilation 67.7 Klines/sec 111.9 Klines/sec
HTML 5 Browser 175.1 pages/sec 331.1 pages/sec
PDF Renderer 275.6 Mpixels/sec 399 Mpixels/sec
Text processing 159 pages/sec 266.2 pages/sec
Background blur 40.4 images/sec 65.8 images/sec
Photo processing 68.6 images/sec 117 images/sec
Ray tracing 14.5 Mpixels/sec 22.9 Mpixels/sec
Sources: GeekBench [1], [2] – 610 & 774 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i9 9900K
18059
Ryzen 7 7800X3D +90%
34276
Integer math 66.1 GOps/sec 103.2 GOps/sec
Floating point math 41 GOps/sec 60.9 GOps/sec
Find prime numbers 46M Primes/sec 319M Primes/sec
Random string sorting 36.1M Strings/sec 46M Strings/sec
Data encryption 6.3 GBytes/sec 22.3 GBytes/sec
Data compression 282.6 MBytes/sec 384.2 MBytes/sec
Physics 929 Frames/sec 3510 Frames/sec
Extended instructions 19B Matrices/sec 29.1B Matrices/sec
Sources: PassMark [3], [4] – 17571 & 26928 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i9 9900K
178.22
Ryzen 7 7800X3D +50%
266.61

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 7.4 PPW 9.3 PPW
Geekbench 6 Multi / Watt 85.8 PPW 127.7 PPW
Passmark CPU Mark / Watt 190.1 PPW 285.6 PPW
Blender / Watt 1.88 PPW 2.22 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
Intel Core i9 9900K
DateBenchmarkResult
πŸ“˜ 2026-01-01 (Mr Scare)Cinebench 202479 / 662
πŸ“˜ 2025-08-09 (EndOfTheWorld77)Cinebench 202478 / 591
πŸ“˜ 2024-03-28 (Gribbstar)Cinebench 202479 / 706
Add View all (3)
AMD Ryzen 7 7800X3D
DateBenchmarkResult
πŸ“˜ 2026-06-30 (Indyee)Cinebench 2026571 / 4254
πŸ“˜ 2026-06-07 (mNine)Cinebench 20241768 / 17329
πŸ“˜ 2026-06-03 (Ker_Sandwichman)Cinebench 2024112 / 1073
πŸ“˜ 2026-05-24 (Corey)Cinebench 2026564 / 4313
πŸ“˜ 2026-05-18 (CN Merritt)Cinebench 2024109 / 1084
Add View all (57)

Specifications

Full technical specification of Intel Core i9 9900K and AMD Ryzen 7 7800X3D

General

Vendor Intel Amd
Released October 8, 2018 January 4, 2023
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Coffee Lake Zen 4 (Raphael)
Model number i9-9900K -
Integrated GPU UHD Graphics 630 Radeon Graphics (Ryzen 7000)
Rival Equivalent - AMD Ryzen 9 3900X - Intel Core i7 13700K
Successor - Intel Core Ultra 9 285K - AMD Ryzen 7 9800X3D
AMD Ryzen CPU ranking (#47th place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.6 GHz 4.2 GHz
Turbo Boost Frequency (P) 5 GHz 5 GHz
Total
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 36x 42x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 64K (per core)
L2 Cache 256K (per core) 1MB (per core)
L3 Cache 16MB (shared) 96MB (shared)
Unlocked Multiplier Yes No

Package

Transistors - 11.2 billions
Fabrication Process 14 nm 5 nm
TDP (PL1) 95 W 120 W
Max. Boost TDP (PL2) - 162 W
Socket LGA-1151 AM5
Peak Temperature 100Β°C 89Β°C
Desktop CPU ranking (145th and 68th place)

iGPU

Integrated Graphics Intel UHD Graphics 630 Radeon Graphics (Ryzen 7000)
GPU Base Clock 350 MHz 400 MHz
GPU Boost Clock 1200 MHz 2200 MHz
Shading Units 192 128
TMUs 24 8
ROPs 3 4
Execution Units 24 2
TGP 15 W 15 W
iGPU FLOPS
Core i9 9900K
0.5 TFLOPS
Ryzen 7 7800X3D +20%
0.6 TFLOPS
More info: Radeon Graphics iGPU (Ryzen 7000) compared to UHD Graphics 630

Memory Support

Memory Types - DDR4-2666 - DDR5-5200
Max. Memory Size 128 GB 128 GB
Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s -
ECC Support No Yes

Misc

Official Site Intel Core i9 9900K official page AMD Ryzen 7 7800X3D official page
PCI Express Version 3.0 5.0
PCI Express Lanes 16 28
Further details
Notes on Ryzen 7 7800X3D:
    - ECC requires mobo support.

Cast your vote

Choose between two processors
6 (13.3%)
39 (86.7%)
Total votes: 45

Competitors

1. AMD Ryzen 7 7800X3D vs Intel Core Ultra 7 265K (1)
2. AMD Ryzen 7 7800X3D vs AMD Ryzen 7 9700X (3)
3. AMD Ryzen 7 7800X3D vs AMD Ryzen 7 7800X
4. AMD Ryzen 7 7800X3D vs AMD Ryzen 7 9800X3D (5)
5. AMD Ryzen 7 7800X3D vs AMD Ryzen 5 9600X
6. Intel Core i9 9900K vs Intel Core i9 14900K
7. Intel Core i9 9900K vs Intel Core i7 14700K
8. Intel Core i9 9900K vs AMD Ryzen 5 9600X
9. Intel Core i9 9900K vs AMD Ryzen 9 9950X
10. Intel Core i9 9900K vs Apple M1 (1)
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Comments

So which CPU will you choose: AMD Ryzen 7 7800X3D or Intel Core i9 9900K?
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