AMD Ryzen 7 7800X3D vs Intel Core Ultra 5 Desktop Processor 245K
When comparing the AMD Ryzen 7 7800X3D and Intel Core Ultra 5 Desktop Processor 245K, the AMD shines in gaming with its 3D V-Cache, delivering superior performance. With a boost clock of 5.0 GHz, it's designed for gamers who crave every frame rate advantage. However, the Intel offers more cores at 14, making it a strong contender for multitasking and productivity. In real-world tests, the Ryzen 7 7800X3D excels with its market-leading gaming performance, but it requires decent cooling due to a lower thermal limit of 89°C. On the flip side, the Intel CPU supports DDR5-6400 memory, which provides faster data rates, making it a smart choice for users focused on efficiency and modern connectivity like Thunderbolt 4.
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AMD Ryzen 7 7800X3D
Intel Core Ultra 5 Desktop Processor 245K
Comparison: AMD Ryzen 7 7800X3D vs Intel Core Ultra 5 Desktop Processor 245K
AMD Ryzen 7 7800X3D
Intel Core Ultra 5 Desktop Processor 245K
| Criterion | AMD Ryzen 7 7800X3D | Intel Core Ultra 5 Desktop Processor 245K |
|---|---|---|
| Rating | ★4.8(6,921)Amazon | ★4.5(111)Amazon |
Architecture Gen | Zen 4 (Ryzen 7000 Series with 3D V-Cache) | Arrow Lake-S (Core Ultra Series 2) |
Socket Platform | Socket AM5 (LGA 1718) | LGA1851 |
Cores Threads | 8 Cores / 16 Threads | 14 Cores (6 Performance + 8 Efficient) / 14 Threads |
Base Boost Clock | 4.2 GHz Base / Up to 5.0 GHz Boost | P-core: 4.2–5.2 GHz / E-core: 3.6–4.6 GHz |
Cache L2 L3 | 8 MB L2 + 96 MB L3 (104 MB Total) | 24 MB Intel® Smart Cache (L3) + 26 MB L2 (50 MB Total) |
TDP Power | 120 W | 125 W (Processor Base Power) |
Max Turbo Power | 162 W (PPT) | 159 W (Maximum Turbo Power) |
Process Node | TSMC 5nm FinFET (Core Complex) / 6nm (I/O Die) | TSMC N3B (Compute Tile) / TSMC N6 (SoC Tile) |
Memory Support | DDR5-5200 MT/s (Official); Dual-Channel; Up to 192 GB; ECC Support | DDR5-6400 MT/s (Official); CUDIMM Support; Up to 192 GB |
Memory Bandwidth Max | N/A (Dependent on RAM config, theoretical max ~83.2 GB/s @ 5200 MT/s) | 102.4 GB/s (at DDR5-6400) |
Pcie Version | PCIe 5.0 | PCIe 5.0 and 4.0 |
Pcie Lanes | 28 Total (24 Usable for Graphics/Storage) | 24 (20 PCIe 5.0 + 4 PCIe 4.0 Direct from CPU) |
Igpu | AMD Radeon Graphics (2 Cores, 2200 MHz) | Intel® Graphics (4 Xe-cores, 1.9 GHz Max Dynamic) |
Instruction Features | AMD-V, AVX, AVX2, AVX-512, FMA3, AES-NI, SHA, SSE4.1/4.2 | SSE4.2, AVX2, VNNI, Intel 64, VT-x/d; NPU (13 TOPS AI) |
Cooler Included | No (Liquid cooler recommended) | No (Heatsink not included) |
Max Temp | 89°C (192°F) TjMax | 105°C (221°F) Max Operating Temperature |
Notes Limits | Features AMD 3D V-Cache technology for elite gaming performance. Overclocking limited (Precision Boost Overdrive/Curve Optimizer supported). No stock cooler. | Requires LGA1851 motherboard (800 Series). No Hyper-Threading. Includes dedicated NPU for AI workloads. |
Chipset Support | A620, B650, B650E, X670, X670E, B840, B850, X870, X870E | Intel 800 Series (Z890, B860, H810, etc.) |
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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
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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 AMD Ryzen 7 7800X3D is the better buy for gamers - its 3D V-Cache delivers unmatched gaming performance compared to Intel's offerings.
Who should buy each?
Choose the AMD Ryzen 7 7800X3D if: you game frequently and need top-tier performance, you want to future-proof your system with PCIe 5.0, or you prioritize power efficiency in gaming.
Choose the Intel Core Ultra 5 Desktop Processor 245K if: you need more cores for multitasking, you value modern platform features like Thunderbolt 4, or you're looking for better overall power efficiency.
Conclusion
There is no wrong answer here. Focus on the features you will use daily and pick the model that aligns with them.
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 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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