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2026 comparison
Updated Jan 16, 2026
|Sources: Amazon, ManufacturerIntel Core Ultra 9 Processor 285K vs AMD Ryzen 7 7800X3D
Time to compare Intel Core Ultra 9 Processor 285K with AMD Ryzen 7 7800X3D. We will cover the essentials so you can buy with confidence.
Ratings: 4.6★ vs 4.8★
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Intel Core Ultra 9 Processor 285K
★4.6
(512)•Amazon
Architecture Gen:Core Ultra 200S Series (Arrow Lake-S)
Socket Platform:Socket LGA1851
Cores Threads:24 Cores (8P + 16E) / 24 Threads
Base Boost Clock:P-Core: 3.7 / 5.5 GHz; E-Core: 3.2 / 4.6 GHz; Max Turbo: 5.7 GHz (TVB)
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AMD Ryzen 7 7800X3D
★4.8
(6,921)•Amazon
Architecture Gen:Zen 4 (Ryzen 7000 Series with 3D V-Cache)
Socket Platform:Socket AM5 (LGA 1718)
Cores Threads:8 Cores / 16 Threads
Base Boost Clock:4.2 GHz Base / Up to 5.0 GHz Boost
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Comparison: Intel Core Ultra 9 Processor 285K vs AMD Ryzen 7 7800X3D
Intel Core Ultra 9 Processor 285K
★4.6(512)Amazon
AMD Ryzen 7 7800X3D
★4.8(6,921)Amazon
| Criterion | Intel Core Ultra 9 Processor 285K | AMD Ryzen 7 7800X3D |
|---|---|---|
| Rating | ★4.6(512)Amazon | ★4.8(6,921)Amazon |
Architecture Gen | Core Ultra 200S Series (Arrow Lake-S) | Zen 4 (Ryzen 7000 Series with 3D V-Cache) |
Socket Platform | Socket LGA1851 | Socket AM5 (LGA 1718) |
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) | 4.2 GHz Base / Up to 5.0 GHz Boost |
Cache L2 L3 | 40 MB L2 + 36 MB L3 (76 MB Total) | 8 MB L2 + 96 MB L3 (104 MB Total) |
TDP Power | 125 W (Processor Base Power) | 120 W |
Max Turbo Power | 250 W (Maximum Turbo Power) | 162 W (PPT) |
Process Node | TSMC N3B (Compute Tile) / TSMC N6 (SoC/IO Tiles) | TSMC 5nm FinFET (Core Complex) / 6nm (I/O Die) |
Memory Support | DDR5-6400 MT/s (Official); Dual-Channel; Up to 192 GB; ECC Support: Yes (W880 chipset required) | DDR5-5200 MT/s (Official); Dual-Channel; Up to 192 GB; ECC Support |
Memory Bandwidth Max | N/A (Dependent on RAM config, theoretical max ~102.4 GB/s @ 6400 MT/s) | N/A (Dependent on RAM config, theoretical max ~83.2 GB/s @ 5200 MT/s) |
Pcie Version | PCIe 5.0 (x20 lanes) + PCIe 4.0 (x4 lanes) | PCIe 5.0 |
Pcie Lanes | 24 Total (20 Gen5 + 4 Gen4 Direct to CPU) | 28 Total (24 Usable for Graphics/Storage) |
Igpu | Intel Graphics (4 Xe-cores, 300 – 2000 MHz, Xe-LPG Architecture) | AMD Radeon Graphics (2 Cores, 2200 MHz) |
Instruction Features | Intel 64, AVX2, VNNI, AES-NI, VT-x, VT-d, SSE4.2; NPU: Intel AI Boost (13 TOPS) | AMD-V, AVX, AVX2, AVX-512, FMA3, AES-NI, SHA, SSE4.1/4.2 |
Cooler Included | No (360mm+ Liquid Cooler highly recommended) | No (Liquid cooler recommended) |
Max Temp | 105°C (221°F) TjMax | 89°C (192°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). | Features AMD 3D V-Cache technology for elite gaming performance. Overclocking limited (Precision Boost Overdrive/Curve Optimizer supported). No stock cooler. |
Chipset Support | Intel 800 Series (Z890, B860, H810, W880) | A620, B650, B650E, X670, X670E, B840, B850, X870, X870E |
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Intel Core Ultra 9 Processor 285K
Rating:★4.6(512)Amazon
Architecture Gen:Core Ultra 200S Series (Arrow Lake-S)
Socket Platform:Socket LGA1851
Cores Threads:24 Cores (8P + 16E) / 24 Threads
Base Boost Clock:P-Core: 3.7 / 5.5 GHz; E-Core: 3.2 / 4.6 GHz; Max Turbo: 5.7 GHz (TVB)
Cache L2 L3:40 MB L2 + 36 MB L3 (76 MB Total)
TDP Power:125 W (Processor Base Power)
Max Turbo Power:250 W (Maximum Turbo Power)
Process Node:TSMC N3B (Compute Tile) / TSMC N6 (SoC/IO Tiles)
Memory 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 ~102.4 GB/s @ 6400 MT/s)
Pcie Version:PCIe 5.0 (x20 lanes) + PCIe 4.0 (x4 lanes)
Pcie Lanes:24 Total (20 Gen5 + 4 Gen4 Direct to CPU)
Igpu:Intel Graphics (4 Xe-cores, 300 – 2000 MHz, Xe-LPG Architecture)
Instruction Features:Intel 64, AVX2, VNNI, AES-NI, VT-x, VT-d, SSE4.2; NPU: Intel AI Boost (13 TOPS)
Cooler Included:No (360mm+ Liquid Cooler highly recommended)
Max Temp:105°C (221°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).
Chipset Support:Intel 800 Series (Z890, B860, H810, W880)
✓ 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 7800X3D
Rating:★4.8(6,921)Amazon
Architecture Gen:Zen 4 (Ryzen 7000 Series with 3D V-Cache)
Socket Platform:Socket AM5 (LGA 1718)
Cores Threads:8 Cores / 16 Threads
Base Boost Clock:4.2 GHz Base / Up to 5.0 GHz Boost
Cache L2 L3:8 MB L2 + 96 MB L3 (104 MB Total)
TDP Power:120 W
Max Turbo Power:162 W (PPT)
Process Node:TSMC 5nm FinFET (Core Complex) / 6nm (I/O Die)
Memory Support:DDR5-5200 MT/s (Official); Dual-Channel; Up to 192 GB; ECC Support
Memory Bandwidth Max:N/A (Dependent on RAM config, theoretical max ~83.2 GB/s @ 5200 MT/s)
Pcie Version:PCIe 5.0
Pcie Lanes:28 Total (24 Usable for Graphics/Storage)
Igpu:AMD Radeon Graphics (2 Cores, 2200 MHz)
Instruction Features:AMD-V, AVX, AVX2, AVX-512, FMA3, AES-NI, SHA, SSE4.1/4.2
Cooler Included:No (Liquid cooler recommended)
Max Temp:89°C (192°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.
Chipset Support:A620, B650, B650E, X670, X670E, B840, B850, X870, X870E
✓ 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
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Which one is better?
Overall, AMD Ryzen 7 7800X3D delivers better satisfaction. Intel Core Ultra 9 Processor 285K is still a quality option with specific strengths worth considering.
Who should buy each?
For performance and polish: Intel Core Ultra 9 Processor 285K (Significantly improved power efficiency compared to 14th Gen, Lower operating temperatures in gaming workloads)
For value or versatility: AMD Ryzen 7 7800X3D (Market-leading gaming performance via 3D V-Cache, Excellent power efficiency in gaming workloads)
Conclusion
Intel Core Ultra 9 Processor 285K and AMD Ryzen 7 7800X3D are both solid choices. Match the strengths above to your budget and workflow to make the best call.
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 7800X3D is better if you prioritize market-leading gaming performance via 3d v-cache. 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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