Intel Core Ultra 7 265KF vs i9 13900KF
We compared two desktop CPUs: the 3.9 GHz Intel Core Ultra 7 265KF with 20-cores against the 3.0 GHz i9 13900KF with 24-cores. On this page, you'll find out which processor has better performance in benchmarks, games and other useful information.
Review
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
The "iGPU" and "Power Efficiency" have a minor impact on the NanoReview Score for desktop CPU.
Choose your main usage scenario to recalculate the Final Score and see which CPU suits your needs.
Value for money (Beta)
Key Differences
Advantages of Intel Core Ultra 7 265KF
- More modern manufacturing process โ 3 versus 10 nanometers
- Newer - released 2 years later
- Supports up to 256 GB DDR5-6400 RAM
Advantages of Intel Core i9 13900KF
- Has 4 more physical cores
- Has 6 MB larger L3 cache size, helping fully utilize a high-end GPU in gaming
Test in Benchmarks
Comparing the performance of CPUs across various tasksCinebench
Cinebench 2024 (Single)
Cinebench 2024 (Multi)
Cinebench Scores (20th and 33rd place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1610 MB/sec | 1590 MB/sec |
| Clang compilation | 192.6 Klines/sec | 195 Klines/sec |
| HTML 5 Browser | 481.8 pages/sec | 485.7 pages/sec |
| PDF Renderer | 600.3 Mpixels/sec | 531.3 Mpixels/sec |
| Text processing | 342.1 pages/sec | 296.4 pages/sec |
| Background blur | 96.8 images/sec | 72.3 images/sec |
| Photo processing | 172.7 images/sec | 153.2 images/sec |
| Ray tracing | 41.9 Mpixels/sec | 44 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 143.3 GOps/sec | 205.7 GOps/sec |
| Floating point math | 189.4 GOps/sec | 150 GOps/sec |
| Find prime numbers | 487M Primes/sec | 223M Primes/sec |
| Random string sorting | 79.7M Strings/sec | 86.1M Strings/sec |
| Data encryption | 48.2 GBytes/sec | 45.9 GBytes/sec |
| Data compression | 666.5 MBytes/sec | 780.9 MBytes/sec |
| Physics | 3629 Frames/sec | 2958 Frames/sec |
| Extended instructions | 54.5B Matrices/sec | 45.8B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 16.5 PPW | 15.2 PPW |
| Geekbench 6 Multi / Watt | 174.2 PPW | 161.3 PPW |
| Passmark CPU Mark / Watt | 468.1 PPW | 459.6 PPW |
| Blender / Watt | 3.65 PPW | 4.29 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 7 265KF
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-07-12 (AitorIrigoyen) | Cinebench 2024 | 137 / 2011 |
| ๐ 2026-07-11 (AitorIrigoyen๐บ๐พ) | Cinebench 2024 | 137 / 2011 |
| ๐ 2026-01-30 (Obfuscator) | Cinebench 2024 | 146 / 2162 |
| ๐ 2026-01-07 (introfog) | Cinebench 2024 | 140 / 2062 |
| ๐ 2025-12-31 (HomeHoney) | Cinebench 2024 | 139 / 2009 |
Intel Core i9 13900KF
| Date | Benchmark | Result |
|---|---|---|
| ๐ 2026-07-23 (mvlad) | Cinebench 2024 | 133 / 2158 |
| ๐ 2026-04-26 (blayk11) | GeekBench | 3068 / 19278 |
| ๐ 2026-04-26 (blayk11) | Cinebench 2024 | 129 / 2089 |
| ๐ 2026-03-03 -> mazdapride89 | Cinebench 2024 | 125 / 1896 |
| ๐ 2026-03-03 -> mazdapride89 | GeekBench | 3193 / 20791 |
Specifications
Full technical specification of Intel Core Ultra 7 265KF and i9 13900KFGeneral
| Vendor | Intel | Intel |
| Released | October 11, 2024 | September 27, 2022 |
| Type | Desktop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Raptor Lake |
| Model number | 265KF | i9-13900K |
| Integrated GPU | No | No |
| Rival Equivalent | - AMD Ryzen 7 9700X | - AMD Ryzen 9 7900X |
| Successor | - | - Intel Core i9 14900KF |
Intel CPU rating (5th and 13th place)
CPU
| P-Cores | 8 | 8 |
| P-Threads | 8 | 16 |
| Base Frequency (P) | 3.9 GHz | 3.0 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz | 5.4 GHz |
| E-Cores | 12 | 16 |
| E-Threads | 12 | 16 |
| Base Frequency (E) | 3.3 GHz | 2.2 GHz |
| Turbo Boost Frequency (E) | 4.6 GHz | 4.3 GHz |
| Total Cores | 20 | 24 |
| Total Threads | 20 | 32 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 39x | 30x |
| L1 Cache | 112K (per core) | 80K (per core) |
| L2 Cache | 3MB (per core) | 2MB (per core) |
| L3 Cache | 30MB (shared) | 36MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Fabrication Process | 3 nm | 10 nm |
| TDP (PL1) | 125 W | 125 W |
| Max. Boost TDP (PL2) | 250 W | 253 W |
| Socket | FCLGA-1851 | LGA-1700 |
| Peak Temperature | 105ยฐC | 100ยฐC |
Desktop CPU ranking (11th and 19th place)
Memory Support
| Memory Types | - DDR5-6400 | - DDR5-5600 - DDR4-3200 |
| Max. Memory Size | 256 GB | 192 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | - | 89.6 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official Site | Intel Core Ultra 7 265KF official page | Intel Core i9 13900KF official page |
| PCI Express Version | 5.0 | 5.0 |
| PCI Express Lanes | 24 | 20 |
Cast your vote
Total votes: 12