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CPU comparison
Compared on manufacturer specifications — cores, cache, clocks and socket — with the verdict reasoned from those specs, not from benchmarks we have not run.
Specifications verified August 8, 2026.
Intel
Core i7-14700K
20C / 28T · 5.6 GHz · 33MB L3
AMD
Ryzen 7 7800X3D
8C / 16T · 5.0 GHz · 96MB L3
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| Specification | Core i7-14700K | Ryzen 7 7800X3D |
|---|---|---|
| Vendor | Intel | AMD |
| Cores | 20 (8P + 12E) | 8 |
| Threads | Winner: 28 | 16 |
| Boost clock | Winner: 5.6 GHz | 5.0 GHz |
| L3 cache | 33MB | Winner: 96MB (3D V-Cache) |
| TDP / Processor Base Power | 125W (Processor Base Power) | 120W (TDP) |
| Socket | LGA1700 | AM5 |
| Integrated GPU | Yes | Yes |
| Memory support | DDR4 / DDR5 | DDR5 |
| Released | October 17, 2023 | April 6, 2023 |
| Launch MSRP | ~$409~£322 | ~$449~£354 |
| UK street price | Search Amazon UK(paid link) (opens in new tab) | Search Amazon UK(paid link) (opens in new tab) |
AMD publishes TDP and Intel publishes Processor Base Power — related figures, but not the same unit, so no power winner is declared.
The spec-only verdict
Gaming: Ryzen 7 7800X3D leads on cache — 96MB of L3 against 33MB. Stacked 3D V-Cache exists to keep game engines fed without waiting on system memory, which is why the X3D part is the gaming pick on specs alone.
Parallel work: Core i7-14700K brings 28 threads against 16 — streaming alongside a game, compiles and heavy multitasking are what threads are for.
Upgrade path: Core i7-14700K is LGA1700 (14th gen is the final generation on LGA1700, so the next CPU upgrade means a new motherboard.) Ryzen 7 7800X3D is AM5 (AMD has committed to supporting AM5 through 2029, and multiple Ryzen generations already run on it — a drop-in upgrade later is plausible.)
Resilience: both include integrated graphics, so either can drive a display and be troubleshot without a discrete card installed.
Fit for use
Derived from cache, clocks and thread count — positioning from the spec sheet, not measured performance.
| Use case | Core i7-14700K | Ryzen 7 7800X3D |
|---|---|---|
| Esports / 1080pLow-resolution, high-frame-rate play is CPU-bound, so cache and boost clock dominate — the reason stacked-cache X3D parts exist. | Capable | Strong |
| 1440p / 4K gamingThe GPU carries more of the load as resolution rises, so the CPU bar drops; cache still helps at 1440p high-refresh. | Capable | Strong |
| Streaming + contentGaming while encoding, or cutting a timeline with apps open behind it, scales with how many threads you can spread across. | Strong | Capable |
| Dev / compileBuilds, test suites and containers parallelise across threads; this is where the top of the range pays back. | Strong | Capable |
| Local AI companionA local model running alongside everything else needs threads to spare, and DDR5 bandwidth for whatever the GPU does not hold. | Strong | Capable |
Common questions
Answered from the verified figures on this page rather than general guidance.
On specifications, Ryzen 7 7800X3D. It carries 96MB of L3 cache against Core i7-14700K's 33MB — 3D V-Cache, memory stacked onto the die specifically so game engines wait on system RAM less often. Core i7-14700K's case rests on its other specifications and on price.
Core i7-14700K, on thread count: 28 threads against Ryzen 7 7800X3D's 16. Work that parallelises — encoding while gaming, builds, test suites — is what threads are for, so the spec sheet favours the higher count here.
Core i7-14700K sits on LGA1700 — 14th gen is the final generation on LGA1700, so the next CPU upgrade means a new motherboard. Ryzen 7 7800X3D sits on AM5 — AMD has committed to supporting AM5 through 2029, and multiple Ryzen generations already run on it — a drop-in upgrade later is plausible.
Neither does for basic use — both include integrated graphics, so either can drive a display, and you can troubleshoot without a discrete card installed. Neither iGPU is meant for serious gaming; a graphics card still does that work.
If one chip holds a specification lead that matches your workload — cache for gaming, threads for parallel work — that lead outweighs a step of clock speed. When the specs tie, the socket decides: the cheapest upgrade is the one that reuses the motherboard.