Home > CPU Comparison > Ryzen 9 9900X or Ryzen 9 7900X: what's better?

AMD Ryzen 9 9900X vs Ryzen 9 7900X

85 out of 100
AMD Ryzen 9 9900X
VS
75 out of 100
AMD Ryzen 9 7900X
AMD Ryzen 9 9900X
AMD Ryzen 9 7900X

We compared two 12-core desktop CPUs: the 4.4 GHz AMD Ryzen 9 9900X against the 4.7 GHz Ryzen 9 7900X. 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
71.1
(Good)
Value Index
74.3
(Good)

Key Differences

What are the key differences between 7900X and 9900X
Advantages of AMD Ryzen 9 9900X
  • Newer - released 1 year and 8 months later
  • More modern manufacturing process – 4 versus 5 nanometers
  • 16% faster in a single-core Geekbench v6 test - 3340 vs 2873 points

Test in Benchmarks

Comparing the performance of CPUs across various tasks
CPU:
Ryzen 9 9900X
vs
Ryzen 9 7900X

Cinebench

Reputable cross-platform benchmark for high-performance processors
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Ryzen 9 9900X +19%
1810
Ryzen 9 7900X
1522
Cinebench 2026 (Single) 763 -
Cinebench 2026 (Multi) 7580 -
Cinebench Scores (42nd and 65th 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)
Ryzen 9 9900X +16%
3340
Ryzen 9 7900X
2873
Geekbench 6 (Multi-Core)
Ryzen 9 9900X +7%
19543
Ryzen 9 7900X
18246
File compression 1510 MB/sec 1810 MB/sec
Clang compilation 191.4 Klines/sec 175.1 Klines/sec
HTML 5 Browser 361.8 pages/sec 360.8 pages/sec
PDF Renderer 534 Mpixels/sec 535.6 Mpixels/sec
Text processing 350.5 pages/sec 299.8 pages/sec
Background blur 82.7 images/sec 52.2 images/sec
Photo processing 118.4 images/sec 121.8 images/sec
Ray tracing 45.5 Mpixels/sec 39.1 Mpixels/sec
Sources: GeekBench [1], [2] – 1096 samples

PassMark

Synthetic test that focuses on raw computational performance for low-level functions
Passmark CPU (Single-Core)
Ryzen 9 9900X +11%
4672
Ryzen 9 7900X
4226
Passmark CPU (Multi-Core)
Ryzen 9 9900X +6%
54325
Ryzen 9 7900X
51226
Integer math 180.5 GOps/sec 168.1 GOps/sec
Floating point math 119.7 GOps/sec 103.5 GOps/sec
Find prime numbers 432M Primes/sec 389M Primes/sec
Random string sorting 71.4M Strings/sec 74.8M Strings/sec
Data encryption 33.3 GBytes/sec 37.1 GBytes/sec
Data compression 678.8 MBytes/sec 629.8 MBytes/sec
Physics 3330 Frames/sec 3046 Frames/sec
Extended instructions 54.8B Matrices/sec 47.4B Matrices/sec
Sources: PassMark [3], [4] – 6489 & 9482 samples

Blender

3D rendering test that measures CPU performance in 3D modeling tasks (uses all cores)
Blender CPU
Ryzen 9 9900X +8%
454.53
Ryzen 9 7900X
420.06

Performance Per Watt

Shows the score you get per each watt of PL1 TDP
Cinebench 2024 / Watt 15.1 PPW 9 PPW
Geekbench 6 Multi / Watt 162.9 PPW 107.3 PPW
Passmark CPU Mark / Watt 452.7 PPW 301.3 PPW
Blender / Watt 3.79 PPW 2.47 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
AMD Ryzen 9 9900X
DateBenchmarkResult
πŸ“˜ 2026-06-20 (Alenaes)Cinebench 2026773 / 7971
πŸ“˜ 2026-06-04 (Alenaes)Cinebench 2024139 / 1841
πŸ“˜ 2026-06-04 (Alenaes)Cinebench 2026763 / 7580
πŸ“˜ 2026-05-01 (PLL)Cinebench 2024137 / 1853
πŸ“˜ 2026-04-03 (freziontechno)Cinebench 2026759 / 7584
Add View all (28)
AMD Ryzen 9 7900X
DateBenchmarkResult
πŸ“˜ 2026-04-03 (afroman420IU)Cinebench 2024110 / 1302
πŸ“˜ 2026-02-11 (JDM)Cinebench 2024134 / 1165
πŸ“˜ 2025-12-27 (Avvy)GeekBench3320 / 14480
πŸ“˜ 2025-12-20 (Kev)Cinebench 2024120 / 1541
πŸ“˜ 2025-10-18 (NotHere3573)Cinebench 2024119 / 1550
Add View all (21)

Specifications

Full technical specification of AMD Ryzen 9 9900X and Ryzen 9 7900X

General

Vendor Amd Amd
Released June 3, 2024 September 29, 2022
Type Desktop Desktop
Instruction Set x86-64 x86-64
Codename Zen 5 (Granite Ridge) Zen 4 (Raphael)
Integrated GPU Radeon Graphics Radeon Graphics (Ryzen 7000)
Rival Equivalent - Intel Core i9 14900K - Intel Core i9 13900K
Successor - - AMD Ryzen 9 9900X
AMD Ryzen CPU ranking (6th and 21st place)

CPU

Performance Cores
P-Cores 12 12
P-Threads 24 24
Base Frequency (P) 4.4 GHz 4.7 GHz
Turbo Boost Frequency (P) 5.6 GHz 5.6 GHz
Total
Total Cores 12 12
Total Threads 24 24
Bus Frequency 100 MHz 100 MHz
Multiplier 44x 47x
L1 Cache 80K (per core) 64K (per core)
L2 Cache 1MB (per core) 1MB (per core)
L3 Cache 64MB (shared) 64MB (shared)
Unlocked Multiplier Yes Yes

Package

Transistors - 13.14 billions
Fabrication Process 4 nm 5 nm
TDP (PL1) 120 W 170 W
Max. Boost TDP (PL2) 162 W 230 W
Socket AM5 AM5
Peak Temperature 95Β°C 95Β°C
Desktop CPU ranking (15th and 39th place)

iGPU

Integrated Graphics Radeon Graphics Radeon Graphics (Ryzen 7000)
GPU Base Clock 400 MHz 400 MHz
GPU Boost Clock 2200 MHz 2200 MHz
Shading Units 128 128
TMUs 8 8
ROPs 4 4
Execution Units 2 2
TGP 15 W 15 W
iGPU FLOPS
Ryzen 9 9900X
0.6 TFLOPS
Ryzen 9 7900X
0.6 TFLOPS
See: Radeon Graphics iGPU (Ryzen 7000) benchmarks

Memory Support

Memory Types - DDR5-5600 - DDR5-5200
Max. Memory Size 192 GB 192 GB
Memory Channels 2 2
Max. Memory Bandwidth 89.6 GB/s -
ECC Support Yes Yes

Misc

Official Site AMD Ryzen 9 9900X official page AMD Ryzen 9 7900X official page
PCI Express Version 5.0 5.0
PCI Express Lanes 28 28

Cast your vote

Choose between two processors
172 (78.5%)
47 (21.5%)
Total votes: 219

Competitors

1. AMD Ryzen 9 7900X vs Intel Core i9 14900KF
2. AMD Ryzen 9 7900X vs AMD Ryzen 9 9950X
3. AMD Ryzen 9 7900X vs Intel Core i7 14700K
4. AMD Ryzen 9 7900X vs AMD Ryzen 9 5900X (5)
5. AMD Ryzen 9 9900X vs AMD Ryzen 9 5900X
6. AMD Ryzen 9 9900X vs Intel Core i9 14900K
7. AMD Ryzen 9 9900X vs AMD Ryzen 9 9950X
8. AMD Ryzen 9 9900X vs Intel Core i7 14700K (1)
9. AMD Ryzen 9 9900X vs AMD Ryzen 7 5800X
10. AMD Ryzen 9 9900X vs AMD Ryzen 7 9700X
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Comments

So which CPU will you choose: AMD Ryzen 9 7900X or Ryzen 9 9900X?
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