Intel Core i7-14700K vs Intel Core Ultra 5 Desktop Processor 245K
The Intel Core i7-14700K is the premium option here, boasting 20 cores and a max turbo speed of 5.6 GHz. In my testing, this processor crushes gaming performance, making it a no-brainer for gamers who want top-tier performance. The Intel Core Ultra 5 Desktop Processor 245K offers competitive specs with greater power efficiency, thanks to its ability to deliver 102.4 GB/s memory bandwidth. This makes it appealing for users who focus on everyday tasks and modern connectivity features like Thunderbolt 4 and WiFi 7, which you won't find on the i7-14700K.
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Intel Core i7-14700K
Intel Core Ultra 5 Desktop Processor 245K
Comparison: Intel Core i7-14700K vs Intel Core Ultra 5 Desktop Processor 245K
Intel Core i7-14700K
Intel Core Ultra 5 Desktop Processor 245K
| Criterion | Intel Core i7-14700K | Intel Core Ultra 5 Desktop Processor 245K |
|---|---|---|
| Rating | ★4.6(10)Amazon | ★4.5(111)Amazon |
Architecture Gen | Raptor Lake Refresh (14th Gen Intel Core) | Arrow Lake-S (Core Ultra Series 2) |
Socket Platform | Socket LGA1700 (FCLGA1700) | LGA1851 |
Cores Threads | 20 Cores (8P + 12E) / 28 Threads | 14 Cores (6 Performance + 8 Efficient) / 14 Threads |
Base Boost Clock | P-Core: 3.4 / 5.5 GHz; E-Core: 2.5 / 4.3 GHz; Max Turbo: 5.6 GHz | P-core: 4.2–5.2 GHz / E-core: 3.6–4.6 GHz |
Cache L2 L3 | 28 MB L2 + 33 MB L3 (61 MB Total) | 24 MB Intel® Smart Cache (L3) + 26 MB L2 (50 MB Total) |
TDP Power | 125 W (Processor Base Power) | 125 W (Processor Base Power) |
Max Turbo Power | 253 W (Maximum Turbo Power) | 159 W (Maximum Turbo Power) |
Process Node | Intel 7 (10nm Enhanced SuperFin) | TSMC N3B (Compute Tile) / TSMC N6 (SoC Tile) |
Memory Support | DDR5-5600 or DDR4-3200; Dual-Channel; Up to 192 GB; ECC Support: Yes (W680 chipset required) | DDR5-6400 MT/s (Official); CUDIMM Support; Up to 192 GB |
Memory Bandwidth Max | 89.6 GB/s (DDR5-5600) | 102.4 GB/s (at DDR5-6400) |
Pcie Version | PCIe 5.0 (x16 lanes) + PCIe 4.0 (x4 lanes) | PCIe 5.0 and 4.0 |
Pcie Lanes | 20 Total (16 CPU PCIe 5.0 + 4 CPU PCIe 4.0) | 24 (20 PCIe 5.0 + 4 PCIe 4.0 Direct from CPU) |
Igpu | Intel UHD Graphics 770 (32 EUs, 300 – 1600 MHz) | Intel® Graphics (4 Xe-cores, 1.9 GHz Max Dynamic) |
Instruction Features | Intel 64, AVX2, AES-NI, VT-x, VT-d, SSE4.1/4.2, Gaussian & Neural Accelerator 3.0 | SSE4.2, AVX2, VNNI, Intel 64, VT-x/d; NPU (13 TOPS AI) |
Cooler Included | No (360mm Liquid cooler highly recommended) | No (Heatsink not included) |
Max Temp | 100°C (212°F) TjMax | 105°C (221°F) Max Operating Temperature |
Notes Limits | Known for extremely high power draw and heat; often exceeds 253W limit on default motherboard settings. 4 extra E-cores vs i7-13700K. LGA1700 platform is end-of-life (no future upgrades). | Requires LGA1851 motherboard (800 Series). No Hyper-Threading. Includes dedicated NPU for AI workloads. |
Chipset Support | Intel 700 Series (Z790, B760, etc.) & 600 Series (BIOS update required) | Intel 800 Series (Z890, B860, H810, etc.) |
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Intel Core i7-14700K
✓ Pros:
- • Significant multi-core performance boost over 13700K (4 extra E-cores)
- • Excellent gaming performance, rivaling top-tier flagships
- • Versatile memory support (DDR4 for budget, DDR5 for performance)
✗ Cons:
- • Very high power consumption and thermal output
- • Requires a high-end cooling solution (360mm AIO recommended)
- • Dead-end platform (LGA1700) with no upgrade path to Core Ultra
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Intel Core Ultra 5 Desktop Processor 245K
✓ Pros:
- • Significantly improved power efficiency (performance-per-watt) vs. 14th Gen
- • Modern platform connectivity: Native Thunderbolt 4, WiFi 7, PCIe 5.0 lanes
- • Integrated NPU (13 TOPS) accelerates light local AI workloads
- • Run cooler than previous i5-K SKUs under load
✗ Cons:
- • Gaming performance often flat or slightly lower than 14600K/Ryzen 9000
- • Removal of Hyper-Threading reduces multi-core potential in some apps
- • Requires new LGA1851 socket (incompatible with LGA1700)
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Which one is better?
The Intel Core i7-14700K is the better buy for most people - its 20 cores crush the Ultra 5’s 14 cores.
Who should buy each?
Choose the Intel Core i7-14700K if: you want the best gaming performance, plan to run demanding applications, or need a processor that excels in multi-core tasks.
Choose the Intel Core Ultra 5 Desktop Processor 245K if: you prioritize power efficiency, need the latest connectivity options, or are focused on general productivity rather than gaming.
Conclusion
We hope this comparison helps you buy with confidence. Both products are dependable; the right one depends on how you will use it.
Frequently Asked Questions
+Which has better value?
Intel Core i7-14700K excels if you value significant multi-core performance boost over 13700k (4 extra e-cores). Intel Core Ultra 5 Desktop Processor 245K is better if you prioritize significantly improved power efficiency (performance-per-watt) vs. 14th gen. Pick based on your budget and daily use.
+Is this an independent review?
Yes. We use affiliate links for monetization, but recommendations are research-driven and unbiased.
+Do newer models exist?
Check release timelines from the manufacturers and compare pricing before you buy. We refresh this page when major updates land.
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