Home > CPU Comparisons > Core i9 12900K or Ryzen 7 7800X3D: what's better?

Intel Core i9 12900K vs AMD Ryzen 7 7800X3D

Intel Core i9 12900K
VS
AMD Ryzen 7 7800X3D
Intel Core i9 12900K
AMD Ryzen 7 7800X3D

We compared two desktop CPUs: the 3,2 GHz Intel Core i9 12900K with 16-cores against the 4.2 GHz AMD Ryzen 7 7800X3D with 8-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
NanoReview Final Score
Generic CPU rating
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score when comparing desktop CPUs.

Key Differences

What are the key differences between 7800X3D and 12900K
Advantages of Intel Core i9 12900K
  • Has 8 more physical cores
  • More than 11° C higher critical temperature
  • 2% higher Turbo Boost frequency (5.1 GHz vs 5 GHz)
Advantages of AMD Ryzen 7 7800X3D
  • Has 67584 KB larger L3 cache size
  • Newer - released 1-year and 2-months later
  • More modern manufacturing process – 5 versus 10 nanometers
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Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Core i9 12900K
vs
Ryzen 7 7800X3D

Cinebench R23

Reputable cross-platform benchmark for high-performance processors
Cinebench R23 (Single-Core)
Cinebench R23 (Multi-Core)
Core i9 12900K +51%
27560
Ryzen 7 7800X3D
18239
Submit your Cinebench result

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 12900K +12%
17469
Ryzen 7 7800X3D
15629
File compression 1340 MB/sec 1770 MB/sec
Clang compilation 145.4 Klines/sec 114.7 Klines/sec
HTML 5 Browser 446.3 pages/sec 338.9 pages/sec
PDF Renderer 490.7 Mpixels/sec 422.4 Mpixels/sec
Text processing 270.7 pages/sec 257.2 pages/sec
Background blur 69.7 images/sec 66.2 images/sec
Photo processing 150.1 images/sec 113.7 images/sec
Ray tracing 34.3 Mpixels/sec 24.7 Mpixels/sec
Sources: GeekBench [1], [2]

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
Core i9 12900K +19%
41482
Ryzen 7 7800X3D
34740
Integer math 139.3 GOps/sec 104.4 GOps/sec
Floating point math 106.2 GOps/sec 62.2 GOps/sec
Find prime numbers 149M Primes/sec 331M Primes/sec
Random string sorting 57.8M Strings/sec 47.5M Strings/sec
Data encryption 29.7 GBytes/sec 22.5 GBytes/sec
Data compression 539.6 MBytes/sec 387.1 MBytes/sec
Physics 2209 Frames/sec 3573 Frames/sec
Extended instructions 33.8B Matrices/sec 29.3B Matrices/sec
Sources: PassMark [3], [4]

Value for money

Enter the current prices of the CPUs and click "Calculate" to determine which one has a better value-to-performance ratio.
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Specifications

Full technical specification of Intel Core i9 12900K and AMD Ryzen 7 7800X3D

General

Vendor Intel AMD
Released October 27, 2021 January 4, 2023
Type Desktop Desktop
instruction set x86-64 x86-64
Codename Alder Lake Zen 4 (Raphael)
Model number i9-12900K -
Integrated GPU UHD Graphics 770 Radeon Graphics (Ryzen 7000)

CPU

Performance Cores
P-Cores 8 8
P-Threads 16 16
Base Frequency (P) 3,2 GHz 4.2 GHz
Turbo Boost Frequency (P) 5.1 GHz 5 GHz
Efficient Cores
E-Cores 8 -
E-Threads 8 -
Base Frequency (E) 2.4 GHz -
Turbo Boost Frequency (E) 3.9 GHz -
Total
Total Cores 16 8
Total Threads 24 16
Bus Frequency 100 MHz 100 MHz
Multiplier 32x 42x
L1 Cache 64K (per core) 64K (per core)
L2 Cache 14MB (shared) 1MB (per core)
L3 Cache 30MB (shared) 96MB (shared)
Unlocked Multiplier Yes -

Package

Transistors - 13.1 billions
Fabrication process 10 nm 5 nm
TDP (PL1) 125 W 120 W
Max. Boost TDP (PL2) - 162 W
Socket LGA-1700 AM5
Peak temperature 100°C 89°C

iGPU

Integrated Graphics Intel UHD Graphics 770 Radeon Graphics (Ryzen 7000)
GPU Base Clock 300 MHz 1500 MHz
GPU Boost Clock 1550 MHz 2200 MHz
Shading Units 256 448
TMUs 16 8
ROPs 8 4
Execution Units 32 2
TGP 15 W 15 W
iGPU FLOPS
Core i9 12900K
0.78 TFLOPS
Ryzen 7 7800X3D
1.43 TFLOPS

Memory Support

Memory types - DDR5-4800
- DDR4-3200		 - DDR5-5200
Memory Size 128 GB 128 GB
Max. Memory Channels 2 2
Max. Memory Bandwidth 76.8 GB/s -
ECC Support Yes Yes

Misc

Official site Intel Core i9 12900K official page AMD Ryzen 7 7800X3D official page
PCI Express Version 5.0 5.0
PCI Express Lanes 20 28

Cast your vote

Choose between two processors
5 (20%)
20 (80%)
Total votes: 25

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Comments

So which CPU will you choose: AMD Ryzen 7 7800X3D or Intel Core i9 12900K?
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