We compared the Intel Core Ultra 7 265K vs Intel Core i9-10900K. The Core Ultra 7 265K comes with 20 cores (8 Performance cores + 12 Efficient cores) and 20 threads, running at a boost clock speed of up to 5.3 GHz. On the other hand, the Core i9-10900K features 10 cores and 20 threads, with a maximum boost clock speed of 5.3 GHz. We compare both CPUs in terms of benchmarks and specifications.
Performance Review
Single Core Performance
Intel Core Ultra 7 265K
94
Intel i9 10900K
50
Multi Core Performance
Intel Core Ultra 7 265K
88
Intel i9 10900K
44
Total Score
Intel Core Ultra 7 265K
91
Intel i9 10900K
47
Geekbench
Geekbench measures CPU performance in single-core and multi-core scenarios.Single Core
Intel Core Ultra 7 265K
+123% better
3168
Intel i9 10900K
1422
Multi Core
Intel Core Ultra 7 265K
+89% better
21445
Intel i9 10900K
11318
| Multi Core | 21445 | 11318 |
| Single Core | 3168 | 1422 |
Cinebench R23
Cinebench R23 measures CPU rendering performance in single-core and multi-core scenarios.Single Core
Intel Core Ultra 7 265K
+63% better
2301
Intel i9 10900K
1415
Multi Core
Intel Core Ultra 7 265K
+111% better
35610
Intel i9 10900K
16879
| Multi Core | 35610 | 16879 |
| Single Core | 2301 | 1415 |
Key Advantages
Advantages of Intel Core Ultra 7 265K
- 123% faster single-core and 89% faster multi-core in Geekbench 6
- More advanced 3nm process vs 14nm
- 50% larger L3 cache size (30 MB vs 20 MB)
- 124% higher memory bandwidth (102.4 GB/s vs 45.8 GB/s)
- PCIe 5.0 delivers up to 4 times more bandwidth compared PCIe 3.0
- 67% higher GPU frequency (2000 MHz vs 1200 MHz)
- 118% faster memory speed (DDR5-6400 vs DDR4-2933)
Specifications Comparison
Intel Core Ultra 7 265K
vs
Intel Core i9 10900K
Info
| Name | Intel Core Ultra 7 265F | Intel Core i9-10900K |
| Codename | Arrow Lake | Comet Lake-S |
| Launch Date | Q1 2025 | Q2 2020 |
| Package | LGA 1851 (FCLGA1851) | FC-LGA1200 |
| Generation | Core Ultra 7 Series 2 | 10th Gen |
| Architecture | Arrow Lake | Comet Lake |
| Lithography | 3nm | 14nm |
| Type | Desktop Processor | Desktop |
| Class | High-end | High-end |
| Overclocking | True | True |
CPU
| Total Cores | 20 | 10 |
| Total Threads | 20 | 20 |
| P Cores | 8 | 10 |
| E Cores | 12 | 0 |
| P Core Threads | 8 | 20 |
| E Core Threads | 12 | 0 |
| Core Architecture | Lion Cove (P-Cores) + Skymont (E-Cores) | Comet Lake |
| P Core Base Clock | 2.4 GHz | 3.7 GHz |
| P Core Boost Clock | 5.3 GHz | 5.3 GHz |
| E Core Base Clock | 1.8 GHz | – |
| E Core Boost Clock | 4.6 GHz | – |
| Instruction Set | x86-64 | x86-64 |
| L1 Cache | 112 KB per core | 32 KB per core |
| L2 Cache | 36 MB | 256 KB per core |
| L3 Cache | 30 MB (Intel Smart Cache) | 20 MB |
| TDP | 65W | 125W |
| Max Temperature | 105°C | 100°C |
Memory
| Max Size | 192 GB | 128 GB |
| Type | DDR5-6400 | DDR4-2933 |
| Max Memory Channels | 2 | 2 |
| Max Memory Bandwidth | 102.4 GB/s | 45.8 GB/s |
GPU
| Integrated GPU | Arc iGPU | Intel UHD Graphics 630 |
| GPU Base Frequency | 300 MHz | 350 MHz |
| Max Frequency | 2000 MHz | 1.2 GHz |
| Max Resolution HDMI | 8K @ 60Hz | 4096×2160 @ 30Hz |
| Max Resolution DP | 4K @ 60Hz | 4096×2304 @ 60Hz |
| 4K Support | True | True |
Connectivity
| PCI Express Version | PCIe 5.0/4.0 | 3.0 |
| PCI Express Lanes | 24 | 16 |