Core Ultra 5 135H vs Ryzen 5 8645HS

Core Ultra 5 135H vs Ryzen 5 8645HS Performance Spectrum

Core Ultra 5 135H

14 / 18

22,116

0.0%

22,257

+0.6%

Ryzen Threadripper PRO 3955WX

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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 Ultra 5 135H vs Ryzen 5 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 Ultra 5 135H vs Ryzen 5 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 Ultra 5 135H

2023

Why buy it

Trade-offs

❌Lower PassMark (22,116 vs 22,257).
❌No integrated graphics, while Ryzen 5 8645HS can still boot and troubleshoot without a discrete GPU.

Ryzen 5 8645HS

2023

Why buy it

✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon 760M, while Core Ultra 5 135H needs a discrete GPU.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Ryzen 5 8645HS better than Core Ultra 5 135H?

Yes. Ryzen 5 8645HS is the better all-around CPU here. It gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Ryzen 5 8645HS is the better pick. According to our tests, it delivers 0.2% 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, Ryzen 5 8645HS is the stronger fit. You are getting 0.6% better PassMark, backed by 6 cores and 12 threads.

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

Ryzen 5 8645HS still makes the most sense overall. Ryzen 5 8645HS comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 0.2% average FPS lead across 50 shared CPU game tests in our data.

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

Ryzen 5 8645HS is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Core Ultra 5 135H vs Ryzen 5 8645HS Technical Specifications

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

Core Ultra 5 135H

The Core Ultra 5 135H is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Meteor Lake-H (2023) architecture. It features 14 cores and 18 threads. Base frequency is 3.6 GHz, with boost up to 4.6 GHz. L3 cache: 18 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 18 MB. Memory support: DDR5. Passmark benchmark score: 22,116 points. Launch price was $342.

Ryzen 5 8645HS

The Ryzen 5 8645HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) 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: FP8. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 22,257 points. Launch price was $299.

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Processing Power

The Core Ultra 5 135H packs 14 cores / 18 threads, while the Ryzen 5 8645HS offers 6 cores / 12 threads — the Core Ultra 5 135H has 8 more cores. Boost clocks reach 4.6 GHz on the Core Ultra 5 135H versus 5 GHz on the Ryzen 5 8645HS — a 8.3% clock advantage for the Ryzen 5 8645HS (base: 3.6 GHz vs 4.3 GHz). The Core Ultra 5 135H uses the Meteor Lake-H (2023) architecture (7 nm), while the Ryzen 5 8645HS uses Hawk Point-HS (Zen 4) (2023−2024) (4 nm). In PassMark, the Core Ultra 5 135H scores 22,116 against the Ryzen 5 8645HS's 22,257 — a 0.6% lead for the Ryzen 5 8645HS. L3 cache: 18 MB (total) on the Core Ultra 5 135H vs 16 MB (total) on the Ryzen 5 8645HS.

Feature	Core Ultra 5 135H	Ryzen 5 8645HS
Cores / Threads	14 / 18+133%	6 / 12
Boost Clock	4.6 GHz	5 GHz+9%
Base Clock	3.6 GHz	4.3 GHz+19%
L3 Cache	18 MB (total)+13%	16 MB (total)
L2 Cache	2 MB (per core)+100%	1 MB (per core)
Process	7 nm	4 nm-43%
Architecture	Meteor Lake-H (2023)	Hawk Point-HS (Zen 4) (2023−2024)
PassMark	22,116	22,257
Cinebench R23 Multi	—	13,316
Geekbench 6 Single	—	2,574
Geekbench 6 Multi	—	10,675

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Memory & Platform

The Core Ultra 5 135H uses the FCBGA2049 socket (PCIe 5.0), while the Ryzen 5 8645HS uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core Ultra 5 135H	Ryzen 5 8645HS
Socket	FCBGA2049	FP8
PCIe Generation	PCIe 5.0+25%	PCIe 4.0
Max RAM Speed	—	LPDDR5x-7500
Max RAM Capacity	—	256 GB
RAM Channels	—	2
ECC Support	—	Yes
PCIe Lanes	—	20

🔧

Advanced Features

Virtualization: not specified (Core Ultra 5 135H) / AMD-V (SVM) (Ryzen 5 8645HS). The Ryzen 5 8645HS includes integrated graphics (Radeon 760M), while the Core Ultra 5 135H requires a dedicated GPU. Primary use case: Ryzen 5 8645HS targets Gaming. Direct competitor: Ryzen 5 8645HS rivals Core i5-13500H.