Core i9-14900K vs Ryzen 9 7945HX3D

Core i9-14900K vs Ryzen 9 7945HX3D Performance Spectrum

Core i9-14900K

24 / 32

58,544

+1.3%

57,803

0.0%

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

Ryzen Threadripper 7970X

Ryzen Threadripper PRO 7985WX

About PassMark

PassMark CPU Mark evaluates processor speed through complex mathematical computations. It provides a reliable metric to compare multi-core performance, where higher scores indicate faster processing for multitasking, gaming, and heavy workloads.

Core i9-14900K vs Ryzen 9 7945HX3D FPS Benchmarks

Predicted gaming performance across popular games. Tested paired with GeForce RTX 5090 to isolate CPU performance.

Search any supported game below to compare 1080p FPS for both components.

Core i9-14900K vs Ryzen 9 7945HX3D: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i9-14900K

2023

Why buy it

✅Better for gaming: +5.1% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (36 MB vs 128 MB).
❌Launch MSRP is still $589 MSRP, while Ryzen 9 7945HX3D mostly shows up through inconsistent older-market listings.
❌127.3% higher power demand at 125W vs 55W.

Ryzen 9 7945HX3D

2023

Why buy it

✅+255.6% larger total L3 cache (128 MB vs 36 MB).
✅Draws 55W instead of 125W, a 70W reduction.
✅40% more PCIe lanes (28 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i9-14900K across 50 shared CPU benchmark tests.
❌Lower PassMark (57,803 vs 58,544).

Quick Answers

So, is Core i9-14900K better than Ryzen 9 7945HX3D?

Yes. Core i9-14900K is the better all-around CPU here. It gives you a 5.1% average FPS lead across 50 shared CPU game tests in our data, 1.3% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Core i9-14900K is the better pick. According to our tests, it delivers 5.1% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Core i9-14900K is the stronger fit. You are getting 1.3% better PassMark, backed by 24 cores and 32 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Core i9-14900K is the better buy right now. Core i9-14900K comes in at an unclear MSRP at $589 MSRP versus unclear MSRP, and it still gives you a 5.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (99.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

Which one is more future-proof for 2026 and beyond?

Core i9-14900K makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 24 cores / 32 threads instead of 16/32. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i9-14900K vs Ryzen 9 7945HX3D Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Core i9-14900K

The Core i9-14900K is manufactured by Intel. It was released in 17 October 2023 (2 years ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 24 cores and 32 threads. Base frequency is 3.2 GHz, with boost up to 5.8 GHz. L3 cache: 36 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 125 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 58,544 points. Launch price was $589.

Ryzen 9 7945HX3D

The Ryzen 9 7945HX3D is manufactured by AMD. It was released in 2023-07-27. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.3 GHz, with boost up to 5.4 GHz. L3 cache: 128 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5-5200. Passmark benchmark score: 57,803 points. Launch price was $800.

⚡

Processing Power

The Core i9-14900K packs 24 cores / 32 threads, while the Ryzen 9 7945HX3D offers 16 cores / 32 threads — the Core i9-14900K has 8 more cores. Boost clocks reach 5.8 GHz on the Core i9-14900K versus 5.4 GHz on the Ryzen 9 7945HX3D — a 7.1% clock advantage for the Core i9-14900K (base: 3.2 GHz vs 2.3 GHz). The Core i9-14900K uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Ryzen 9 7945HX3D uses Dragon Range-HX (Zen 4) (2023−2024) (5 nm). In PassMark, the Core i9-14900K scores 58,544 against the Ryzen 9 7945HX3D's 57,803 — a 1.3% lead for the Core i9-14900K. L3 cache: 36 MB (total) on the Core i9-14900K vs 128 MB (total) on the Ryzen 9 7945HX3D.

Feature	Core i9-14900K	Ryzen 9 7945HX3D
Cores / Threads	24 / 32+50%	16 / 32
Boost Clock	5.8 GHz+7%	5.4 GHz
Base Clock	3.2 GHz+39%	2.3 GHz
L3 Cache	36 MB (total)	128 MB (total)+256%
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	Intel 7 nm	5 nm-29%
Architecture	Raptor Lake-R (2023−2025)	Dragon Range-HX (Zen 4) (2023−2024)
PassMark	58,544+1%	57,803

🧠

Memory & Platform

The Core i9-14900K uses the LGA1700 socket (PCIe 5.0), while the Ryzen 9 7945HX3D uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 5600 on the Core i9-14900K versus 5200 on the Ryzen 9 7945HX3D — the Core i9-14900K supports 7.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i9-14900K supports up to 192 of RAM compared to 128 — 50% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i9-14900K) vs 28 (Ryzen 9 7945HX3D) — the Ryzen 9 7945HX3D offers 8 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Z790,Z690 (Core i9-14900K) and FL1 (Ryzen 9 7945HX3D).

Feature	Core i9-14900K	Ryzen 9 7945HX3D
Socket	LGA1700	FL1
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	5600+8%	5200
Max RAM Capacity	192+50%	128
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	20	28+40%

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7945HX3D supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: VT-x, VT-d (Core i9-14900K) vs VT-x, VT-d, AMD-V (Ryzen 9 7945HX3D). Both include integrated graphics — Intel UHD Graphics 770 (Core i9-14900K) and AMD Radeon 610M (Ryzen 9 7945HX3D) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Direct competitor: Core i9-14900K rivals Ryzen 9 7950X; Ryzen 9 7945HX3D rivals Core Ultra 9 285HX.

Feature	Core i9-14900K	Ryzen 9 7945HX3D
Integrated GPU	Yes	Yes
IGPU Model	Intel UHD Graphics 770	AMD Radeon 610M
Unlocked	Yes	Yes
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d, AMD-V

💰

Value Analysis

At launch, the Core i9-14900K was priced at $589, while the Ryzen 9 7945HX3D came in at $0. On launch pricing ($589 vs $0), Ryzen 9 7945HX3D was $589 cheaper.

Feature	Core i9-14900K	Ryzen 9 7945HX3D
MSRP	$589	$0-100%
Performance per Dollar	99.4	—
Release Date	2023	2023

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