Core i5-14450HX vs Ryzen 5 PRO 8645HS

Core i5-14450HX vs Ryzen 5 PRO 8645HS Performance Spectrum

Core i5-14450HX

10 / 16

23,557

+1.4%

23,227

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen 9 7945HX3D

Ryzen Threadripper PRO 5975WX

Ryzen Threadripper 9960X

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 i5-14450HX vs Ryzen 5 PRO 8645HS 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 i5-14450HX vs Ryzen 5 PRO 8645HS: Pros, Cons & Final Verdict

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

Core i5-14450HX

2024

Why buy it

✅+1.4% higher PassMark.
✅+25% larger total L3 cache (20 MB vs 16 MB).
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics, while Ryzen 5 PRO 8645HS needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8645HS across 50 shared CPU benchmark tests.

Ryzen 5 PRO 8645HS

2024

Why buy it

✅Better for gaming: +19.4% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (23,227 vs 23,557).
❌Smaller total L3 cache (16 MB vs 20 MB).
❌No integrated graphics, while Core i5-14450HX can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-14450HX better than Ryzen 5 PRO 8645HS?

It depends on what you want from the system. For gaming, Ryzen 5 PRO 8645HS is ahead with a 19.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i5-14450HX pulls ahead with 1.4% better PassMark. Core i5-14450HX also has the bigger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).

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

For streaming, content creation, and heavier multitasking, Core i5-14450HX is the stronger fit. You are getting 1.4% better PassMark, backed by 10 cores and 16 threads. It also has the larger cache pool with 25% larger total L3 cache (20 MB vs 16 MB).

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

Core i5-14450HX still makes the most sense overall. Core i5-14450HX comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1.4% better PassMark.

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

Core i5-14450HX makes more sense long term for 2026 and beyond. You are getting 25% larger total L3 cache (20 MB vs 16 MB) and more multi-core headroom with 10 cores / 16 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-14450HX vs Ryzen 5 PRO 8645HS Technical Specifications

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

Core i5-14450HX

The Core i5-14450HX is manufactured by Intel. It was released in 8 January 2024 (1 year ago). It is based on the Raptor Lake-HX Refresh (2024) architecture. It features 10 cores and 16 threads. Base frequency is 2.4 GHz, with boost up to 4.8 GHz. L3 cache: 20 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: FCBGA1964. Thermal design power (TDP): + 20 MB. Memory support: DDR4, DDR5. Passmark benchmark score: 23,557 points. Launch price was $299.

Ryzen 5 PRO 8645HS

The Ryzen 5 PRO 8645HS is manufactured by AMD. It was released in 16 April 2024 (1 year ago). It is based on the Hawk Point (2024−2025) architecture. It features 6 cores and 12 threads. Base frequency is 4.3 GHz, with boost up to 5 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 23,227 points. Launch price was $299.

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Processing Power

The Core i5-14450HX packs 10 cores / 16 threads, while the Ryzen 5 PRO 8645HS offers 6 cores / 12 threads — the Core i5-14450HX has 4 more cores. Boost clocks reach 4.8 GHz on the Core i5-14450HX versus 5 GHz on the Ryzen 5 PRO 8645HS — a 4.1% clock advantage for the Ryzen 5 PRO 8645HS (base: 2.4 GHz vs 4.3 GHz). The Core i5-14450HX uses the Raptor Lake-HX Refresh (2024) architecture (Intel 7 nm), while the Ryzen 5 PRO 8645HS uses Hawk Point (2024−2025) (4 nm). In PassMark, the Core i5-14450HX scores 23,557 against the Ryzen 5 PRO 8645HS's 23,227 — a 1.4% lead for the Core i5-14450HX. L3 cache: 20 MB (total) on the Core i5-14450HX vs 16 MB (total) on the Ryzen 5 PRO 8645HS.

Feature	Core i5-14450HX	Ryzen 5 PRO 8645HS
Cores / Threads	10 / 16+67%	6 / 12
Boost Clock	4.8 GHz	5 GHz+4%
Base Clock	2.4 GHz	4.3 GHz+79%
L3 Cache	20 MB (total)+25%	16 MB (total)
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	Intel 7 nm	4 nm-43%
Architecture	Raptor Lake-HX Refresh (2024)	Hawk Point (2024−2025)
PassMark	23,557+1%	23,227

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Memory & Platform

The Core i5-14450HX uses the FCBGA1964 socket (PCIe 5.0), while the Ryzen 5 PRO 8645HS uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i5-14450HX	Ryzen 5 PRO 8645HS
Socket	FCBGA1964	FP7
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	DDR5-5600	—
Max RAM Capacity	192 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	20	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i5-14450HX) / not specified (Ryzen 5 PRO 8645HS). The Core i5-14450HX includes integrated graphics (Intel UHD Graphics), while the Ryzen 5 PRO 8645HS requires a dedicated GPU. Primary use case: Core i5-14450HX targets Mobile.