Intel Core i9-10900K vs Intel Core Ultra 5 250K Plus
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We compared two CPUs: the Intel Core i9-10900K vs Intel Core Ultra 5 250K Plus. The Intel Core i9-10900K features 10 cores and 20 threads with a maximum clock speed of 5.3 GHz, while the Intel Core Ultra 5 250K Plus has 18 cores and 18 threads with a maximum clock speed of 5.3 GHz. Let's see which CPU performs better in terms of benchmarks and specifications.
Why Intel Core Ultra 5 250K Plus is better than Intel Core i9-10900K
- Uses newer DDR5 memory compared to older DDR4
- Released about 5 years and 10 months later
- 50% larger L3 cache (30MB vs 20 MB)
- 67% higher iGPU frequency (2.0 GHz vs 1.2 GHz)
- More advanced 3nm manufacturing process (vs 14nm)
- 80% more cores (18 cores vs 10 cores)
- Supports newer PCIe version 5.04.0 vs 3.0
- 152% higher memory bandwidth (115.2 GB/s vs 45.8 GB/s)
- Geekbench 6 shows 55% faster single-core and 47% faster multi-core performance
Performance Scores
Single-Core Score
Intel Core i9-10900K
49
Intel Core Ultra 5 250K Plus
92
Multi-Core Score
Intel Core i9-10900K
44
Intel Core Ultra 5 250K Plus
91
Total Score
Intel Core i9-10900K
46
Intel Core Ultra 5 250K Plus
91
Geekbench 6
Single-Core
Intel Core Ultra 5 250K Plus +122%
Intel Core i9-10900K
1,422
Intel Core Ultra 5 250K Plus
3,159
Multi-Core
Intel Core Ultra 5 250K Plus +90%
Intel Core i9-10900K
11,318
Intel Core Ultra 5 250K Plus
21,498
| Single-Core | 1,422 | 3,159 |
| Multi-Core | 11,318 | 21,498 |
Cinebench R23
Single-Core
Intel Core Ultra 5 250K Plus +128%
Intel Core i9-10900K
1,415
Intel Core Ultra 5 250K Plus
3,231
Multi-Core
Intel Core Ultra 5 250K Plus +25%
Intel Core i9-10900K
16,879
Intel Core Ultra 5 250K Plus
21,073
| Single-Core | 1,415 | 3,231 |
| Multi-Core | 16,879 | 21,073 |
General Info
| Manufacturer | Intel | Intel |
| Launch Date | Q2 2020 | March 2026 |
| Generation | 10th Gen | Series 2 |
| Codename | Comet Lake-S | Arrow Lake |
| Type | Desktop | Desktop Processor |
| Class | High-end | Mid-range |
| Unlocked Multiplier | Yes | Yes |
| Architecture | Comet Lake | - |
| Lithography | 14nm | 3 nm |
CPU
| Total Cores | 10 | 18 |
| Total Threads | 20 | 18 |
| Performance Cores | - | 6 |
| Performance Threads | - | 6 |
| Efficient Cores | - | 12 |
| Efficient Threads | - | 12 |
| P-Core Base Frequency | 3.7 GHz | 4.2 GHz |
| P-Core Max Turbo Frequency | 5.3 GHz | 5.3 GHz |
| E-Core Base Frequency | - | 3.3 GHz |
| E-Core Max Turbo Frequency | - | 4.6 GHz |
| L1 Cache | 32 KB per core | - |
| L2 Cache | 256 KB per core | 30MB |
| L3 Cache | 20 MB | 30MB (Shared) |
Memory
| Memory Type | DDR4-2933 | DDR5-7200 |
| Max Memory Size | 128 GB | 256 GB |
| Max Bandwidth | 45.8 GB/s | 115.2 GB/s |
| Memory Channels | 2 | 2 |
| ECC Support | No | Yes |
GPU
| Integrated GPU | Intel UHD Graphics 630 | Intel Arc iGPU |
| GPU Base Frequency | 350 MHz | 300 MHz |
| GPU Max Frequency | 1.2 GHz | 2.0 GHz |
| Max Resolution HDMI | 4096x2160 @ 30Hz | 4k @ 60Hz, 8k @ 60Hz |
| Max Resolution DP | 4096x2304 @ 60Hz | 8k @ 60Hz |
| 4K Support | true | Yes |
CPU Technologies
| Virtualization | - | Supported |
| Multithreading (SMT) | - | Supported |
| AES Encryption | - | Supported |
| AVX / AVX2 | - | Supported |
Power & I/O
| Socket | FC-LGA1200 | FCLGA1851 |
| PCIe Version | 3.0 | 5.0, 4.0 |
| PCIe Lanes | 16 | 24 |
| Base TDP (PL1) | 125W | 125W |
| Max Turbo Power (PL2) | - | 159W |
| Max Temperature | 100°C | 105°C |
| Instruction Set | x86-64 | x86-64 |