Home > CPU Comparison > Core i9 9900K or Ryzen 9 7950X: what's better?

Intel Core i9 9900K vs AMD Ryzen 9 7950X

41 out of 100
Intel Core i9 9900K
VS
85 out of 100
AMD Ryzen 9 7950X
Intel Core i9 9900K
AMD Ryzen 9 7950X

We compared two desktop CPUs: the 3.6 GHz Intel Core i9 9900K with 8-cores against the 4.5 GHz AMD Ryzen 9 7950X with 16-cores. 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
29.9
(Mediocre)

Key Differences

What are the key differences between 7950X and 9900K
Advantages of AMD Ryzen 9 7950X
  • Has 48 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 later
  • Has 8 more physical cores
  • Around 41.6 GB/s (100%) higher theoretical memory bandwidth
  • 89% faster in a single-core Geekbench v6 test - 3068 vs 1621 points
  • Newer PCI Express version – 5.0
  • Supports up to 192 GB DDR5-5200 RAM
  • More powerful Radeon Graphics (Ryzen 7000) integrated graphics: 0.6 vs 0.5 TFLOPS
  • 14% higher Turbo Boost frequency (5.7 GHz vs 5 GHz)

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 9900K
vs
Ryzen 9 7950X

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Core i9 9900K
706
Ryzen 9 7950X +194%
2077
Cinebench 2026 (Single) - 679
Cinebench 2026 (Multi) - 8943
Cinebench Scores (#18th 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 9 7950X +89%
3068
Geekbench 6 (Multi-Core)
Core i9 9900K
8151
Ryzen 9 7950X +163%
21401
File compression 545.7 MB/sec 1960 MB/sec
Clang compilation 67.7 Klines/sec 211.3 Klines/sec
HTML 5 Browser 175.1 pages/sec 414.2 pages/sec
PDF Renderer 275.6 Mpixels/sec 540.6 Mpixels/sec
Text processing 159 pages/sec 304.8 pages/sec
Background blur 40.4 images/sec 78.9 images/sec
Photo processing 68.6 images/sec 148.7 images/sec
Ray tracing 14.5 Mpixels/sec 46.1 Mpixels/sec
Sources: GeekBench [1], [2] – 610 & 1055 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Core i9 9900K
2911
Ryzen 9 7950X +46%
4252
Passmark CPU (Multi-Core)
Core i9 9900K
18059
Ryzen 9 7950X +244%
62139
Integer math 66.1 GOps/sec 224.2 GOps/sec
Floating point math 41 GOps/sec 137.4 GOps/sec
Find prime numbers 46M Primes/sec 333M Primes/sec
Random string sorting 36.1M Strings/sec 98.4M Strings/sec
Data encryption 6.3 GBytes/sec 49.1 GBytes/sec
Data compression 282.6 MBytes/sec 831.2 MBytes/sec
Physics 929 Frames/sec 3073 Frames/sec
Extended instructions 19B Matrices/sec 61.7B Matrices/sec
Sources: PassMark [3], [4] – 17571 & 8748 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Core i9 9900K
178.22
Ryzen 9 7950X +223%
576.1

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 7.4 PPW 12.2 PPW
Geekbench 6 Multi / Watt 85.8 PPW 125.9 PPW
Passmark CPU Mark / Watt 190.1 PPW 365.5 PPW
Blender / Watt 1.88 PPW 3.39 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 9 7950X
DateBenchmarkResult
πŸ“˜ 2026-04-25 (Leandro Irgang)Cinebench 2026679 / 8943
πŸ“˜ 2026-04-25 (VikTOR)Cinebench 2024125 / 2213
πŸ“˜ 2026-02-07 (Gerard)Cinebench 2026627 / 8337
πŸ“˜ 2025-12-17 (RipePipe)Cinebench 2024118 / 1956
πŸ“˜ 2024-11-28 (Mirage_Tahmid)Cinebench 2024118 / 1966
Add View all (10)

Specifications

Full technical specification of Intel Core i9 9900K and AMD Ryzen 9 7950X

General

Vendor Intel Amd
Released October 8, 2018 August 29, 2022
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 i9 13900K
Successor - Intel Core Ultra 9 285K - AMD Ryzen 9 9950X

CPU

Performance Cores
P-Cores 8 16
P-Threads 16 32
Base Frequency (P) 3.6 GHz 4.5 GHz
Turbo Boost Frequency (P) 5 GHz 5.7 GHz
Total
Total Cores 8 16
Total Threads 16 32
Bus Frequency 100 MHz 100 MHz
Multiplier 36x 45x
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) 64MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors - 13.1 billions
Fabrication Process 14 nm 5 nm
TDP (PL1) 95 W 170 W
Max. Boost TDP (PL2) - 230 W
Socket LGA-1151 AM5
Peak Temperature 100Β°C 95Β°C
Desktop CPU ranking (145th and 18th 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 9 7950X +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 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 41.6 GB/s 83.2 GB/s
ECC Support No Yes

Misc

Official Site Intel Core i9 9900K official page AMD Ryzen 9 7950X official page
PCI Express Version 3.0 5.0
PCI Express Lanes 16 28

Cast your vote

Choose between two processors
4 (20%)
16 (80%)
Total votes: 20

Competitors

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4. AMD Ryzen 9 7950X vs AMD Ryzen 9 7950X3D (2)
5. Intel Core i9 9900K vs Apple M3
6. Intel Core i9 9900K vs AMD Ryzen 9 9950X
7. Intel Core i9 9900K vs Apple M1 (1)
8. Intel Core i9 9900K vs AMD Ryzen 7 7800X3D
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Comments

So which CPU will you choose: AMD Ryzen 9 7950X or Intel Core i9 9900K?
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