Core Ultra 7 155H vs Ryzen 7 PRO 7840U

Intel

Core Ultra 7 155H

16 Cores22 Thrd0 WWMax: 4.8 GHz2023
Core Ultra family
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VS
AMD

Ryzen 7 PRO 7840U

8 Cores16 Thrd8 WWMax: 5.1 GHz2023
Similar parts
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Core Ultra 7 155H vs Ryzen 7 PRO 7840U Performance Spectrum

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 7 155H vs Ryzen 7 PRO 7840U 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 7 155H vs Ryzen 7 PRO 7840U: 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 7 155H

2023

Why buy it

  • +0.7% higher PassMark.
  • +50% larger total L3 cache (24 MB vs 16 MB).
  • 100+% more PCIe lanes (28 vs 0) for storage and expansion-heavy builds.
  • Integrated graphics onboard with Intel Arc Graphics (8 Xe-cores), while Ryzen 7 PRO 7840U needs a discrete GPU.
  • Includes a boxed cooler (Laptop Integrated), unlike Ryzen 7 PRO 7840U.

Trade-offs

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

Ryzen 7 PRO 7840U

2023

Why buy it

    Trade-offs

    • Lower PassMark (24,531 vs 24,705).
    • Smaller total L3 cache (16 MB vs 24 MB).
    • No integrated graphics, while Core Ultra 7 155H can still boot and troubleshoot without a discrete GPU.
    • No boxed cooler included, unlike Core Ultra 7 155H.

    Quick Answers

    So, is Core Ultra 7 155H better than Ryzen 7 PRO 7840U?
    It depends on what you want from the system. For gaming, Ryzen 7 PRO 7840U is ahead with a 1.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core Ultra 7 155H pulls ahead with 0.7% better PassMark. Core Ultra 7 155H also has the bigger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).
    Which one is better for streaming, content creation, and heavy multitasking?
    For streaming, content creation, and heavier multitasking, Core Ultra 7 155H is the stronger fit. You are getting 0.7% better PassMark, backed by 16 cores and 22 threads. It also has the larger cache pool with 50% larger total L3 cache (24 MB vs 16 MB).
    Which one is the smarter buy today, not just the cheaper CPU?
    Core Ultra 7 155H still makes the most sense overall. Core Ultra 7 155H comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.7% better PassMark.
    Which one is more future-proof for 2026 and beyond?
    Core Ultra 7 155H makes more sense long term for 2026 and beyond. You are getting 50% larger total L3 cache (24 MB vs 16 MB) and more multi-core headroom with 16 cores / 22 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

    Core Ultra 7 155H vs Ryzen 7 PRO 7840U Technical Specifications

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

    Intel

    Core Ultra 7 155H

    The Core Ultra 7 155H 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 16 cores and 22 threads. Base frequency is 3.8 GHz, with boost up to 4.8 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on 7 nm process technology. Socket: FCBGA2049. Thermal design power (TDP): + 24 MB. Memory support: DDR5. Passmark benchmark score: 24,705 points. Launch price was $503.

    AMD

    Ryzen 7 PRO 7840U

    The Ryzen 7 PRO 7840U is manufactured by AMD. It was released in 3 May 2023 (2 years ago). It is based on the Phoenix (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 28 Watt. Memory support: LPDDR5x, DDR5. Passmark benchmark score: 24,531 points. Launch price was $299.

    Processing Power

    The Core Ultra 7 155H packs 16 cores / 22 threads, while the Ryzen 7 PRO 7840U offers 8 cores / 16 threads — the Core Ultra 7 155H has 8 more cores. Boost clocks reach 4.8 GHz on the Core Ultra 7 155H versus 5.1 GHz on the Ryzen 7 PRO 7840U — a 6.1% clock advantage for the Ryzen 7 PRO 7840U (base: 3.8 GHz vs 3.3 GHz). The Core Ultra 7 155H uses the Meteor Lake-H (2023) architecture (7 nm), while the Ryzen 7 PRO 7840U uses Phoenix (Zen 4) (2023) (4 nm). In PassMark, the Core Ultra 7 155H scores 24,705 against the Ryzen 7 PRO 7840U's 24,531 — a 0.7% lead for the Core Ultra 7 155H. L3 cache: 24 MB (total) on the Core Ultra 7 155H vs 16 MB on the Ryzen 7 PRO 7840U.

    FeatureCore Ultra 7 155HRyzen 7 PRO 7840U
    Cores / Threads
    16 / 22+100%
    8 / 16
    Boost Clock
    4.8 GHz
    5.1 GHz+6%
    Base Clock
    3.8 GHz+15%
    3.3 GHz
    L3 Cache
    24 MB (total)+50%
    16 MB
    L2 Cache
    2 MB (per core)
    8 MB+300%
    Process
    7 nm
    4 nm-43%
    Architecture
    Meteor Lake-H (2023)
    Phoenix (Zen 4) (2023)
    PassMark
    24,705
    24,531
    Cinebench R23 Multi
    17,650
    Geekbench 6 Single
    2,384
    Geekbench 6 Multi
    12,433
    🧠

    Memory & Platform

    The Core Ultra 7 155H uses the FCBGA2049 socket (PCIe 5.0), while the Ryzen 7 PRO 7840U uses FP7/FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

    FeatureCore Ultra 7 155HRyzen 7 PRO 7840U
    Socket
    FCBGA2049
    FP7/FP8
    PCIe Generation
    PCIe 5.0+25%
    PCIe 4.0
    Max RAM Speed
    LPDDR5x-7467, DDR5-5600
    Max RAM Capacity
    96 GB
    RAM Channels
    2
    ECC Support
    No
    PCIe Lanes
    28
    🔧

    Advanced Features

    Virtualization: VT-x, VT-d, EPT (Core Ultra 7 155H) / not specified (Ryzen 7 PRO 7840U). The Core Ultra 7 155H includes integrated graphics (Intel Arc Graphics (8 Xe-cores)), while the Ryzen 7 PRO 7840U requires a dedicated GPU. Primary use case: Core Ultra 7 155H targets Thin-and-light Performance / AI. Direct competitor: Core Ultra 7 155H rivals Ryzen 7 8840HS.

    FeatureCore Ultra 7 155HRyzen 7 PRO 7840U
    Integrated GPU
    Yes
    IGPU Model
    Intel Arc Graphics (8 Xe-cores)
    Unlocked
    No
    AVX-512
    No
    Virtualization
    VT-x, VT-d, EPT
    Target Use
    Thin-and-light Performance / AI