Intel Core Ultra 7 265K vs AMD Ryzen 9 5900X
We compared two desktop CPUs: the 3.9 GHz Intel Core Ultra 7 265K with 20-cores against the 3.7 GHz AMD Ryzen 9 5900X with 12-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 DeviceFacts 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 265K
- Newer - released 4 years and 1 month later
- More modern manufacturing process β 3 versus 7 nanometers
- Around 54.72 GB/s (115%) higher theoretical memory bandwidth
- Supports up to 256 GB DDR5-6400 RAM
- Has 8 more physical cores
- 40% faster in a single-core Geekbench v6 test - 3157 vs 2263 points
- Newer PCI Express version β 5.0
- More than 15Β° C higher critical temperature
- Includes an integrated GPU Intel Arc iGPU (4-Cores)
- 13% higher Turbo Boost frequency (5.4 GHz vs 4.8 GHz)
Advantages of AMD Ryzen 9 5900X
- Has 34 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 (24th and 112th place)
GeekBench v6
Geekbench 6 (Single-Core)
Geekbench 6 (Multi-Core)
| File compression | 1580 MB/sec | 1170 MB/sec |
| Clang compilation | 201.1 Klines/sec | 126 Klines/sec |
| HTML 5 Browser | 475.1 pages/sec | 217.8 pages/sec |
| PDF Renderer | 615.6 Mpixels/sec | 362 Mpixels/sec |
| Text processing | 350.8 pages/sec | 232 pages/sec |
| Background blur | 76.9 images/sec | 38.7 images/sec |
| Photo processing | 167.2 images/sec | 85.1 images/sec |
| Ray tracing | 42.2 Mpixels/sec | 31.5 Mpixels/sec |
PassMark
Passmark CPU (Single-Core)
Passmark CPU (Multi-Core)
| Integer math | 143.2 GOps/sec | 139.7 GOps/sec |
| Floating point math | 189.6 GOps/sec | 77.6 GOps/sec |
| Find prime numbers | 492M Primes/sec | 257M Primes/sec |
| Random string sorting | 79.7M Strings/sec | 51.5M Strings/sec |
| Data encryption | 48.2 GBytes/sec | 31 GBytes/sec |
| Data compression | 665.6 MBytes/sec | 498.8 MBytes/sec |
| Physics | 3730 Frames/sec | 1984 Frames/sec |
| Extended instructions | 54.3B Matrices/sec | 33.1B Matrices/sec |
Blender
Blender CPU
Performance Per Watt
| Cinebench 2024 / Watt | 16.1 PPW | 11.4 PPW |
| Geekbench 6 Multi / Watt | 171 PPW | 121 PPW |
| Passmark CPU Mark / Watt | 468.7 PPW | 370.4 PPW |
| Blender / Watt | 3.72 PPW | 3.02 PPW |
These are rough calculations, as most CPUs surpass PL1 TDP wattage even in multicore workloads.
Recent User Tests
Intel Core Ultra 7 265K
| Date | Benchmark | Result |
|---|---|---|
| π 2026-02-08 (HongKonger) | Cinebench 2024 | 140 / 1994 |
| π 2026-01-03 (HYUNKYU) | Cinebench 2024 | 137 / 1829 |
| π 2026-01-01 (Omi) | Cinebench 2024 | 138 / 1993 |
| π 2025-12-29 (Kolli) | Cinebench 2024 | 137 / 2012 |
| π 2025-11-06 (HJH) | Cinebench 2024 | 138 / 2020 |
AMD Ryzen 9 5900X
| Date | Benchmark | Result |
|---|---|---|
| π 2026-03-19 (D) | Cinebench 2024 | 67 / 893 |
| π 2025-11-02 (Zoli) | Cinebench 2024 | 93 / 1254 |
| π 2025-10-12 (Otamatone) | Cinebench 2024 | 92 / 981 |
| π 2025-10-08 (aref) | Cinebench 2024 | 94 / 1015 |
| π 2025-08-15 (SnakeyB) | Cinebench 2024 | 120 / 380 |
Specifications
Full technical specification of Intel Core Ultra 7 265K and AMD Ryzen 9 5900XGeneral
| Vendor | Intel | Amd |
| Released | October 11, 2024 | October 8, 2020 |
| Type | Desktop | Desktop |
| Instruction Set | x86-64 | x86-64 |
| Codename | Arrow Lake | Zen 3 (Vermeer) |
| Model number | 265K | - |
| Integrated GPU | Arc iGPU (4-Cores) | No |
| Rival Equivalent | - AMD Ryzen 7 9700X | - Intel Core i9 11900K |
| Successor | - Intel Core Ultra 7 270K Plus | - AMD Ryzen 9 9900X |
Intel CPU rating (#8th place)
AMD Ryzen CPU ranking (#70th place)
CPU
| P-Cores | 8 | 12 |
| P-Threads | 8 | 24 |
| Base Frequency (P) | 3.9 GHz | 3.7 GHz |
| Turbo Boost Frequency (P) | 5.4 GHz | 4.8 GHz |
| E-Cores | 12 | - |
| E-Threads | 12 | - |
| Base Frequency (E) | 3.3 GHz | - |
| Turbo Boost Frequency (E) | 4.6 GHz | - |
| Total Cores | 20 | 12 |
| Total Threads | 20 | 24 |
| Bus Frequency | 100 MHz | 100 MHz |
| Multiplier | 39x | 37x |
| L1 Cache | 112K (per core) | 64K (per core) |
| L2 Cache | 3MB (per core) | 512K (per core) |
| L3 Cache | 30MB (shared) | 64MB (shared) |
| Unlocked Multiplier | Yes | Yes |
Package
| Transistors | - | 4.15 billions |
| Fabrication Process | 3 nm | 7 nm |
| TDP (PL1) | 125 W | 105 W |
| Max. Boost TDP (PL2) | 250 W | 142 W |
| Socket | FCLGA-1851 | AM4 |
| Peak Temperature | 105Β°C | 90Β°C |
Desktop CPU ranking (14th and 83rd place)
iGPU
| Integrated Graphics | Intel Arc iGPU (4-Cores) | - |
| GPU Base Clock | 300 MHz | - |
| GPU Boost Clock | 2000 MHz | - |
| Shading Units | 512 | - |
| TMUs | 32 | - |
| ROPs | 16 | - |
| Execution Units | 64 | - |
| TGP | 14 W | - |
iGPU FLOPS
Memory Support
| Memory Types | - DDR5-6400 | - DDR4-3200 |
| Max. Memory Size | 256 GB | 128 GB |
| Memory Channels | 2 | 2 |
| Max. Memory Bandwidth | 102.4 GB/s | 47.68 GB/s |
| ECC Support | Yes | Yes |
Misc
| Official Site | Intel Core Ultra 7 265K official page | AMD Ryzen 9 5900X official page |
| PCI Express Version | 5.0 | 4.0 |
| PCI Express Lanes | 24 | 20 |
Cast your vote
Total votes: 1