Core i5-14450HX vs Ryzen 5 PRO 8645HS

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.

Head-to-Head Verdict, Benchmarks, Value & Long-Term Outlook

This comparison brings together gaming FPS, productivity performance, platform differences, power efficiency, pricing context, and upgrade path so you can see which CPU actually makes more sense.

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 4 shared CPU benchmark tests.

Ryzen 5 PRO 8645HS

2024

Why buy it

✅Better for gaming: +5.5% higher average FPS across 4 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.

Core i5-14450HX

2024

Ryzen 5 PRO 8645HS

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.

Why buy it

✅Better for gaming: +5.5% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 5 PRO 8645HS across 4 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 matters more to you. For gaming, Ryzen 5 PRO 8645HS is ahead with a 5.5% average FPS lead across 4 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 better fit. You are getting 1.4% better PassMark, backed by 10 cores and 16 threads. It also carries 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 looks like the safer overall buy. Core i5-14450HX is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you 1.4% better PassMark.

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

Core i5-14450HX is the more future-proof choice 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 should age better as games, background tasks, and creator workloads get heavier.

Games Benchmarks

Paired with RTX 4090

To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.

Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.

Core i5-14450HX Benchmark Check

Ryzen 5 PRO 8645HS Benchmark Check

Path of Exile 2

Preset	Core i5-14450HX	Ryzen 5 PRO 8645HS
1080p
low	252 FPS	265 FPS
medium	242 FPS	239 FPS
high	202 FPS	204 FPS
ultra	173 FPS	174 FPS
1440p
low	218 FPS	232 FPS
medium	187 FPS	190 FPS
high	151 FPS	157 FPS
ultra	132 FPS	137 FPS
4K
low	151 FPS	158 FPS
medium	129 FPS	130 FPS
high	99 FPS	102 FPS
ultra	87 FPS	88 FPS

Open Core i5-14450HX Open Ryzen 5 PRO 8645HS

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i5-14450HX	Ryzen 5 PRO 8645HS
1080p
low	554 FPS	426 FPS
medium	470 FPS	358 FPS
high	393 FPS	314 FPS
ultra	361 FPS	275 FPS
1440p
low	456 FPS	371 FPS
medium	402 FPS	325 FPS
high	345 FPS	288 FPS
ultra	300 FPS	244 FPS
4K
low	278 FPS	268 FPS
medium	246 FPS	240 FPS
high	231 FPS	224 FPS
ultra	203 FPS	187 FPS

Open Core i5-14450HX Open Ryzen 5 PRO 8645HS

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i5-14450HX	Ryzen 5 PRO 8645HS
1080p
low	589 FPS	581 FPS
medium	526 FPS	581 FPS
high	466 FPS	581 FPS
ultra	404 FPS	581 FPS
1440p
low	588 FPS	581 FPS
medium	484 FPS	581 FPS
high	423 FPS	522 FPS
ultra	369 FPS	446 FPS
4K
low	433 FPS	492 FPS
medium	371 FPS	431 FPS
high	333 FPS	369 FPS
ultra	284 FPS	303 FPS

Open Core i5-14450HX Open Ryzen 5 PRO 8645HS

League of Legends

League of Legends

Valorant

Preset	Core i5-14450HX	Ryzen 5 PRO 8645HS
1080p
low	589 FPS	581 FPS
medium	589 FPS	581 FPS
high	589 FPS	581 FPS
ultra	589 FPS	581 FPS
1440p
low	589 FPS	581 FPS
medium	589 FPS	581 FPS
high	588 FPS	581 FPS
ultra	512 FPS	581 FPS
4K
low	531 FPS	581 FPS
medium	486 FPS	548 FPS
high	434 FPS	490 FPS
ultra	378 FPS	426 FPS

Open Core i5-14450HX Open Ryzen 5 PRO 8645HS

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i5-14450HX and Ryzen 5 PRO 8645HS

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.

⚡

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

🧠

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	—

🔧

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.