Home > CPU Comparison > Core i9 9900K or Ryzen 7 9800X3D: what's better?

Intel Core i9 9900K vs AMD Ryzen 7 9800X3D

41 out of 100
Intel Core i9 9900K
VS
78 out of 100
AMD Ryzen 7 9800X3D
Intel Core i9 9900K
AMD Ryzen 7 9800X3D

We compared two 8-core desktop CPUs: the 3.6 GHz Intel Core i9 9900K against the 4.7 GHz AMD Ryzen 7 9800X3D. 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 DeviceFacts Score for desktop CPU.
DeviceFacts 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
50.2
(Average)

Key Differences

What are the key differences between 9800X3D and 9900K
Advantages of Intel Core i9 9900K
  • Unlocked multiplier
Advantages of AMD Ryzen 7 9800X3D
  • Has 80 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
  • Newer - released 6 years and 2 months later
  • More modern manufacturing process – 4 versus 14 nanometers
  • Around 48 GB/s (115%) higher theoretical memory bandwidth
  • 2x faster in a single-core Geekbench v6 test - 3315 vs 1621 points
  • Newer PCI Express version – 5.0
  • Supports up to 192 GB DDR5-5600 RAM
  • More powerful Radeon Graphics integrated graphics: 0.6 vs 0.5 TFLOPS
  • 4% higher Turbo Boost frequency (5.2 GHz vs 5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 9900K
vs
Ryzen 7 9800X3D

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench 2026 (Single) - 708
Cinebench 2026 (Multi) - 5087
Cinebench Scores (#87th 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)
Core i9 9900K
1621
Ryzen 7 9800X3D +105%
3315
Geekbench 6 (Multi-Core)
Core i9 9900K
8151
Ryzen 7 9800X3D +125%
18350
File compression 545.7 MB/sec 1730 MB/sec
Clang compilation 67.7 Klines/sec 140.3 Klines/sec
HTML 5 Browser 175.1 pages/sec 356.9 pages/sec
PDF Renderer 275.6 Mpixels/sec 509 Mpixels/sec
Text processing 159 pages/sec 337 pages/sec
Background blur 40.4 images/sec 90.4 images/sec
Photo processing 68.6 images/sec 135.2 images/sec
Ray tracing 14.5 Mpixels/sec 29.1 Mpixels/sec
Sources: GeekBench [1], [2] – 610 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 9800X3D +121%
39929
Integer math 66.1 GOps/sec 116.6 GOps/sec
Floating point math 41 GOps/sec 79.4 GOps/sec
Find prime numbers 46M Primes/sec 420M Primes/sec
Random string sorting 36.1M Strings/sec 48.4M Strings/sec
Data encryption 6.3 GBytes/sec 22.1 GBytes/sec
Data compression 282.6 MBytes/sec 467.2 MBytes/sec
Physics 929 Frames/sec 4071 Frames/sec
Extended instructions 19B Matrices/sec 38.7B Matrices/sec
Sources: PassMark [3], [4] – 17571 & 25509 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 9800X3D +80%
321.39

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 7.4 PPW 11.1 PPW
Geekbench 6 Multi / Watt 85.8 PPW 152.9 PPW
Passmark CPU Mark / Watt 190.1 PPW 332.7 PPW
Blender / Watt 1.88 PPW 2.68 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 9800X3D
DateBenchmarkResult
πŸ“˜ 2026-08-28 (Average)Cinebench 2026735 / 5624
πŸ“˜ 2026-08-17 (looch)Cinebench 2026708 / 5087
πŸ“˜ 2026-07-20 (szegi)Cinebench 2024138 / 1365
πŸ“˜ 2026-07-08 (Spice Master)Cinebench 2026764 / 5801
πŸ“˜ 2026-05-08 (ChronicallyEve)Cinebench 2026721 / 5465
Add View all (73)

Specifications

Full technical specification of Intel Core i9 9900K and AMD Ryzen 7 9800X3D

General

Vendor Intel Amd
Released October 8, 2018 October 31, 2024
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Coffee Lake Zen 5 (Granite Ridge)
Model number i9-9900K 9800X3D
Integrated GPU UHD Graphics 630 Radeon Graphics
Rival Equivalent - AMD Ryzen 9 3900X -
Successor - Intel Core Ultra 9 285K -
AMD Ryzen CPU ranking (#14th place)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3.6 GHz 4.7 GHz
Turbo Boost Frequency (P) 5 GHz 5.2 GHz
Total
Total Cores 8 8
Total Threads 16 16
Bus Frequency 100 MHz 100 MHz
Multiplier 36x 47x
Bus Bandwidth 8 GT/s -
L1 Cache 64K (per core) 80K (per core)
L2 Cache 256K (per core) 1MB (per core)
L3 Cache 16MB (shared) 96MB (shared)
Unlocked Multiplier Yes No

Package

Fabrication Process 14 nm 4 nm
TDP (PL1) 95 W 120 W
Max. Boost TDP (PL2) - 162 W
Socket LGA-1151 AM5
Peak Temperature 100Β°C 95Β°C
Desktop CPU ranking (145th and 27th place)

iGPU

Integrated Graphics Intel UHD Graphics 630 Radeon Graphics
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 9800X3D +20%
0.6 TFLOPS
More info: Radeon Graphics iGPU (Ryzen 7000) compared to UHD Graphics 630

Memory Support

Memory Types - DDR4-2666 - DDR5-5600
Max. Memory Size 128 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 89.6 GB/s
ECC Support No Yes

Misc

Official Site Intel Core i9 9900K official page AMD Ryzen 7 9800X3D official page
PCI Express Version 3.0 5.0
PCI Express Lanes 16 28

Cast your vote

Choose between two processors
0 (0%)
6 (100%)
Total votes: 6

Competitors

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4. AMD Ryzen 7 9800X3D vs AMD Ryzen 9 9900X3D (1)
5. AMD Ryzen 7 9800X3D vs AMD Ryzen 7 5800X
6. Intel Core i9 9900K vs Apple M3
7. Intel Core i9 9900K vs Intel Core i9 14900K
8. Intel Core i9 9900K vs Apple M1 (1)
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Comments

So which CPU will you choose: AMD Ryzen 7 9800X3D or Intel Core i9 9900K?
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