AMD Ryzen 7 7800X3D vs Intel Core Ultra 9 Processor 285K
The AMD Ryzen 7 7800X3D is a flagship option that excels in gaming, boasting a boost clock of up to 5.0 GHz. In real-world use, its 3D V-Cache technology delivers top-notch gaming performance, especially for intensive titles in 2026. The Intel Core Ultra 9 Processor 285K offers a staggering 24 cores and a higher boost clock of 5.7 GHz, which shines in productivity tasks. If you're looking for a processor that handles multitasking and demanding applications, the Intel option might be worth considering, especially with its lower max temperature of 105°C, allowing for better thermal management during heavy use.
As an Amazon Associate I earn from qualifying purchases.
AMD Ryzen 7 7800X3D
Intel Core Ultra 9 Processor 285K
Comparison: AMD Ryzen 7 7800X3D vs Intel Core Ultra 9 Processor 285K
AMD Ryzen 7 7800X3D
Intel Core Ultra 9 Processor 285K
| Criterion | AMD Ryzen 7 7800X3D | Intel Core Ultra 9 Processor 285K |
|---|---|---|
| Rating | ★4.8(6,921)Amazon | ★4.6(512)Amazon |
Architecture Gen | Zen 4 (Ryzen 7000 Series with 3D V-Cache) | Core Ultra 200S Series (Arrow Lake-S) |
Socket Platform | Socket AM5 (LGA 1718) | Socket LGA1851 |
Cores Threads | 8 Cores / 16 Threads | 24 Cores (8P + 16E) / 24 Threads |
Base Boost Clock | 4.2 GHz Base / Up to 5.0 GHz Boost | P-Core: 3.7 / 5.5 GHz; E-Core: 3.2 / 4.6 GHz; Max Turbo: 5.7 GHz (TVB) |
Cache L2 L3 | 8 MB L2 + 96 MB L3 (104 MB Total) | 40 MB L2 + 36 MB L3 (76 MB Total) |
TDP Power | 120 W | 125 W (Processor Base Power) |
Max Turbo Power | 162 W (PPT) | 250 W (Maximum Turbo Power) |
Process Node | TSMC 5nm FinFET (Core Complex) / 6nm (I/O Die) | TSMC N3B (Compute Tile) / TSMC N6 (SoC/IO Tiles) |
Memory Support | DDR5-5200 MT/s (Official); Dual-Channel; Up to 192 GB; ECC Support | DDR5-6400 MT/s (Official); Dual-Channel; Up to 192 GB; ECC Support: Yes (W880 chipset required) |
Memory Bandwidth Max | N/A (Dependent on RAM config, theoretical max ~83.2 GB/s @ 5200 MT/s) | N/A (Dependent on RAM config, theoretical max ~102.4 GB/s @ 6400 MT/s) |
Pcie Version | PCIe 5.0 | PCIe 5.0 (x20 lanes) + PCIe 4.0 (x4 lanes) |
Pcie Lanes | 28 Total (24 Usable for Graphics/Storage) | 24 Total (20 Gen5 + 4 Gen4 Direct to CPU) |
Igpu | AMD Radeon Graphics (2 Cores, 2200 MHz) | Intel Graphics (4 Xe-cores, 300 – 2000 MHz, Xe-LPG Architecture) |
Instruction Features | AMD-V, AVX, AVX2, AVX-512, FMA3, AES-NI, SHA, SSE4.1/4.2 | Intel 64, AVX2, VNNI, AES-NI, VT-x, VT-d, SSE4.2; NPU: Intel AI Boost (13 TOPS) |
Cooler Included | No (Liquid cooler recommended) | No (360mm+ Liquid Cooler highly recommended) |
Max Temp | 89°C (192°F) TjMax | 105°C (221°F) TjMax |
Notes Limits | Features AMD 3D V-Cache technology for elite gaming performance. Overclocking limited (Precision Boost Overdrive/Curve Optimizer supported). No stock cooler. | 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). |
Chipset Support | A620, B650, B650E, X670, X670E, B840, B850, X870, X870E | Intel 800 Series (Z890, B860, H810, W880) |
| Pros |
|
|
| Cons |
|
|
As an Amazon Associate I earn from qualifying purchases. | Check Price on Amazon→ | Check Price on Amazon→ |
AMD Ryzen 7 7800X3D
✓ Pros:
- • Market-leading gaming performance via 3D V-Cache
- • Excellent power efficiency in gaming workloads
- • Future-proof AM5 platform with PCIe 5.0 support
✗ Cons:
- • Lower productivity performance compared to non-X3D high-core counts
- • Lower thermal limit (89°C) requires decent cooling
- • No cooler included in the box
As an Amazon Associate I earn from qualifying purchases.
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
As an Amazon Associate I earn from qualifying purchases.
Which one is better?
The Intel Core Ultra 9 Processor 285K is the better buy for most people - its 24 cores destroy the 8 cores of the AMD Ryzen 7 7800X3D. That said, grab the AMD if you prioritize gaming performance over everything else - it's known for its elite gaming capabilities.
Who should buy each?
Choose the AMD Ryzen 7 7800X3D if: you prioritize gaming performance, want the latest AM5 platform support, or plan to upgrade your cooling system.
Choose the Intel Core Ultra 9 Processor 285K if: you run demanding multi-threaded applications, need better performance for content creation, or want a processor with lower thermal output.
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?
AMD Ryzen 7 7800X3D excels if you value market-leading gaming performance via 3d v-cache. Intel Core Ultra 9 Processor 285K is better if you prioritize significantly improved power efficiency compared to 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.
Affiliate disclosure
PageBen uses Amazon affiliate links. If you purchase through our links, we may earn a commission at no extra cost to you. This supports independent content for US shoppers.