Core Ultra 5 135H vs Ryzen 5 PRO 8640U

Intel

Core Ultra 5 135H

14 Cores18 Thrd0 WWMax: 4.6 GHz2023

Popular choices:

VS
AMD

Ryzen 5 PRO 8640U

6 Cores12 Thrd28 WWMax: 4.9 GHz2024

Popular choices:

Performance Spectrum - CPU

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.

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 Ultra 5 135H

2023

Why buy it

  • Better for gaming: +3.6% higher average FPS across 4 shared CPU benchmark tests.

Trade-offs

  • Lower PassMark (22,116 vs 22,373).

Ryzen 5 PRO 8640U

2024

Why buy it

  • +1.2% higher PassMark.

Trade-offs

  • Worse for gaming: lower average FPS than Core Ultra 5 135H across 4 shared CPU benchmark tests.

Quick Answers

So, is Ryzen 5 PRO 8640U better than Core Ultra 5 135H?
It depends on what matters more to you. For gaming, Core Ultra 5 135H is ahead with a 3.6% average FPS lead across 4 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 5 PRO 8640U pulls ahead with 1.2% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Ryzen 5 PRO 8640U is the better fit. You are getting 1.2% better PassMark, backed by 6 cores and 12 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Ryzen 5 PRO 8640U still looks like the safer overall buy. Ryzen 5 PRO 8640U is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you 1.2% better PassMark.
Which one is more future-proof for 2026 and beyond?
Ryzen 5 PRO 8640U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2023) and more multi-core headroom with 6 cores / 12 threads instead of 14/18. That should give you a better long-term upgrade path for motherboard, RAM, and future CPU swaps.

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.

Path of Exile 2

Path of Exile 2

PresetCore Ultra 5 135HRyzen 5 PRO 8640U
1080p
low193 FPS262 FPS
medium154 FPS238 FPS
high126 FPS203 FPS
ultra102 FPS173 FPS
1440p
low156 FPS230 FPS
medium122 FPS189 FPS
high98 FPS156 FPS
ultra81 FPS136 FPS
4K
low86 FPS156 FPS
medium73 FPS130 FPS
high59 FPS101 FPS
ultra45 FPS88 FPS
Counter-Strike 2

Counter-Strike 2

PresetCore Ultra 5 135HRyzen 5 PRO 8640U
1080p
low553 FPS374 FPS
medium521 FPS314 FPS
high422 FPS278 FPS
ultra378 FPS240 FPS
1440p
low549 FPS316 FPS
medium457 FPS276 FPS
high379 FPS251 FPS
ultra324 FPS212 FPS
4K
low337 FPS237 FPS
medium283 FPS211 FPS
high258 FPS197 FPS
ultra226 FPS164 FPS
League of Legends

League of Legends

PresetCore Ultra 5 135HRyzen 5 PRO 8640U
1080p
low553 FPS559 FPS
medium553 FPS559 FPS
high553 FPS559 FPS
ultra553 FPS559 FPS
1440p
low553 FPS559 FPS
medium553 FPS559 FPS
high553 FPS511 FPS
ultra494 FPS437 FPS
4K
low548 FPS482 FPS
medium441 FPS415 FPS
high400 FPS355 FPS
ultra321 FPS293 FPS
Valorant

Valorant

PresetCore Ultra 5 135HRyzen 5 PRO 8640U
1080p
low553 FPS559 FPS
medium553 FPS559 FPS
high553 FPS559 FPS
ultra553 FPS559 FPS
1440p
low553 FPS559 FPS
medium553 FPS559 FPS
high553 FPS559 FPS
ultra553 FPS559 FPS
4K
low553 FPS559 FPS
medium524 FPS531 FPS
high473 FPS473 FPS
ultra413 FPS411 FPS

Technical Specifications

Side-by-side comparison of Core Ultra 5 135H and Ryzen 5 PRO 8640U

Intel

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.

AMD

Ryzen 5 PRO 8640U

The Ryzen 5 PRO 8640U 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 3.5 GHz, with boost up to 4.9 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP7. Thermal design power (TDP): 28 Watt. Memory support: DDR5. Passmark benchmark score: 22,373 points. Launch price was $299.

Processing Power

The Core Ultra 5 135H packs 14 cores / 18 threads, while the Ryzen 5 PRO 8640U 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 4.9 GHz on the Ryzen 5 PRO 8640U — a 6.3% clock advantage for the Ryzen 5 PRO 8640U (base: 3.6 GHz vs 3.5 GHz). The Core Ultra 5 135H uses the Meteor Lake-H (2023) architecture (7 nm), while the Ryzen 5 PRO 8640U uses Hawk Point (2024−2025) (4 nm). In PassMark, the Core Ultra 5 135H scores 22,116 against the Ryzen 5 PRO 8640U's 22,373 — a 1.2% lead for the Ryzen 5 PRO 8640U. L3 cache: 18 MB (total) on the Core Ultra 5 135H vs 16 MB (total) on the Ryzen 5 PRO 8640U.

FeatureCore Ultra 5 135HRyzen 5 PRO 8640U
Cores / Threads
14 / 18+133%
6 / 12
Boost Clock
4.6 GHz
4.9 GHz+7%
Base Clock
3.6 GHz+3%
3.5 GHz
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 (2024−2025)
PassMark
22,116
22,373+1%
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Memory & Platform

The Core Ultra 5 135H uses the FCBGA2049 socket (PCIe 5.0), while the Ryzen 5 PRO 8640U uses FP7 (PCIe 4.0) — making them incompatible on the same motherboard.

FeatureCore Ultra 5 135HRyzen 5 PRO 8640U
Socket
FCBGA2049
FP7
PCIe Generation
PCIe 5.0+25%
PCIe 4.0