Intel Core Ultra 9 Processor 285K vs AMD Ryzen 7 5700X
The Intel Core Ultra 9 Processor 285K is the premium option here, boasting 24 cores and a max boost clock of 5.7 GHz. Meanwhile, the AMD Ryzen 7 5700X offers solid performance with 8 cores and a max boost of 4.6 GHz, making it a great mid-range contender. In real-world usage, the Intel chip excels at gaming and power efficiency, while the Ryzen 7 is perfect for budget-conscious buyers who still want 8-core performance. The numbers tell the story: 125W TDP for Intel means it can handle heavy workloads, but the 65W TDP of Ryzen 7 keeps it cooler, which is a big deal for those looking to save on energy bills or keep their builds quiet.
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Intel Core Ultra 9 Processor 285K

AMD Ryzen 7 5700X
Comparison: Intel Core Ultra 9 Processor 285K vs AMD Ryzen 7 5700X

Intel Core Ultra 9 Processor 285K

AMD Ryzen 7 5700X
| Criterion | Intel Core Ultra 9 Processor 285K | AMD Ryzen 7 5700X |
|---|---|---|
| Rating | ★4.6(512)Amazon | ★4.8(10,543)Amazon |
Architecture Gen | Core Ultra 200S Series (Arrow Lake-S) | Zen 3 (Ryzen 5000 Series / Vermeer) |
Socket Platform | Socket LGA1851 | Socket AM4 (PGA 1331) |
Cores Threads | 24 Cores (8P + 16E) / 24 Threads | 8 Cores / 16 Threads |
Base Boost Clock | P-Core: 3.7 / 5.5 GHz; E-Core: 3.2 / 4.6 GHz; Max Turbo: 5.7 GHz (TVB) | 3.4 GHz Base / Up to 4.6 GHz Max Boost |
Cache L2 L3 | 40 MB L2 + 36 MB L3 (76 MB Total) | 32 MB L3 + 4 MB L2 (36 MB Total Cache) |
TDP Power | 125 W (Processor Base Power) | 65 W (Default TDP) |
Max Turbo Power | 250 W (Maximum Turbo Power) | 88 W (Package Power Tracking - PPT) |
Process Node | TSMC N3B (Compute Tile) / TSMC N6 (SoC/IO Tiles) | TSMC 7nm FinFET (Core Complex) / GlobalFoundries 12nm (I/O Die) |
Memory Support | DDR5-6400 MT/s (Official); Dual-Channel; Up to 192 GB; ECC Support: Yes (W880 chipset required) | DDR4-3200 MT/s (Official); Dual-Channel; Up to 128 GB; ECC Supported (Motherboard Dependent) |
Memory Bandwidth Max | N/A (Dependent on RAM config, theoretical max ~102.4 GB/s @ 6400 MT/s) | 51.2 GB/s (at DDR4-3200) |
Pcie Version | PCIe 5.0 (x20 lanes) + PCIe 4.0 (x4 lanes) | PCIe 4.0 |
Pcie Lanes | 24 Total (20 Gen5 + 4 Gen4 Direct to CPU) | 24 (20 Usable PCIe 4.0 Lanes: 16 GPU + 4 Storage) |
Igpu | Intel Graphics (4 Xe-cores, 300 – 2000 MHz, Xe-LPG Architecture) | None (Discrete GPU required) |
Instruction Features | Intel 64, AVX2, VNNI, AES-NI, VT-x, VT-d, SSE4.2; NPU: Intel AI Boost (13 TOPS) | AMD-V, AVX2, FMA3, SHA, AES-NI, SSE4.1/4.2 |
Cooler Included | No (360mm+ Liquid Cooler highly recommended) | No (Cooling device not included) |
Max Temp | 105°C (221°F) TjMax | 90°C (194°F) TjMax |
Notes Limits | First flagship Intel desktop CPU to drop Hyper-Threading (24 threads total vs 32 on 14900K). Higher thermal limit (105°C) by design. Requires LGA1851 motherboard (Z890). | Requires discrete GPU. Excellent drop-in upgrade for B450/X470/B550 boards (BIOS update likely required). |
Chipset Support | Intel 800 Series (Z890, B860, H810, W880) | AMD 500 Series (X570/B550/A520), 400 Series (X470/B450), Select 300 Series (A320/B350/X370) |
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Intel Core Ultra 9 Processor 285K
✓ Pros:
- • Significantly improved power efficiency compared to 14th Gen
- • Lower operating temperatures in gaming workloads
- • Modern platform connectivity: Integrated Thunderbolt 4, WiFi 7, and more PCIe 5.0 lanes
✗ Cons:
- • Removal of Hyper-Threading reduces performance in some specific multi-threaded apps
- • Requires new LGA1851 motherboard (no backward compatibility)
- • Gaming performance is often similar to or slightly behind the i9-14900K
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AMD Ryzen 7 5700X
✓ Pros:
- • Highly efficient 65W TDP design runs cooler than the 5800X
- • Offers 8-core/16-thread performance nearly identical to higher-tier SKUs
- • Cost-effective upgrade extending the life of older AM4 builds
- • Unlocked multiplier allows for PBO tuning and overclocking
✗ Cons:
- • No integrated graphics (cannot output video without a GPU)
- • No stock cooler included (unlike the 5600X)
- • Limited to DDR4 memory and PCIe 4.0 (older platform generation)
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Which one is better?
The Intel Core Ultra 9 Processor 285K is the better buy for most people - its 24 cores crush the AMD Ryzen 7 5700X's 8 cores.
Who should buy each?
Choose the Intel Core Ultra 9 Processor 285K if: you need maximum performance for gaming, you run heavy multi-threaded applications, or you want the latest technology with PCIe 5.0.
Choose the AMD Ryzen 7 5700X if: you want a budget-friendly option for gaming, you aim to extend the life of an AM4 build, or you need a cooler and more efficient processor for light workloads.
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 Ultra 9 Processor 285K excels if you value significantly improved power efficiency compared to 14th gen. AMD Ryzen 7 5700X is better if you prioritize highly efficient 65w tdp design runs cooler than the 5800x. 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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