Ryzen 9 5900XT vs Ryzen 9 7845HX

AMD

Ryzen 9 5900XT

16 Cores32 Thrd105 WWMax: 4.8 GHz2024
Ryzen family
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VS
AMD

Ryzen 9 7845HX

12 Cores24 Thrd55 WWMax: 5.2 GHz2023
Ryzen family
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Ryzen 9 5900XT vs Ryzen 9 7845HX 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.

Ryzen 9 5900XT vs Ryzen 9 7845HX 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.

Ryzen 9 5900XT vs Ryzen 9 7845HX: Pros, Cons & Final Verdict

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

Ryzen 9 5900XT

2024

Why buy it

    Trade-offs

    • Worse for gaming: lower average FPS than Ryzen 9 7845HX across 50 shared CPU benchmark tests.
    • Lower Cinebench R23 multi-core (22,000 vs 26,654).
    • Launch MSRP is still $349 MSRP, while Ryzen 9 7845HX mostly shows up through inconsistent older-market listings.
    • 90.9% higher power demand at 105W vs 55W.
    • Older platform position on AM4 with DDR4, while Ryzen 9 7845HX moves to FL1 and DDR5.

    Ryzen 9 7845HX

    2023

    Why buy it

    • Better for gaming: +13.0% higher average FPS across 50 shared CPU benchmark tests.
    • Draws 55W instead of 105W, a 50W reduction.
    • Newer platform on FL1 with DDR5 support instead of AM4 and DDR4.
    • 16.7% more PCIe lanes (28 vs 24) for storage and expansion-heavy builds.
    • Integrated graphics onboard with Radeon 610M, while Ryzen 9 5900XT needs a discrete GPU.

    Trade-offs

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

    Quick Answers

    So, is Ryzen 9 7845HX better than Ryzen 9 5900XT?
    Yes. Ryzen 9 7845HX is the better all-around CPU here. It gives you a 13.0% average FPS lead across 50 shared CPU game tests in our data, 21.2% better Cinebench R23 multi-core, 1.9% higher PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
    Which one is better for gaming?
    If gaming is the priority, Ryzen 9 7845HX is the better pick. According to our tests, it delivers 13.0% 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 9 7845HX is the stronger fit. You are getting 21.2% better Cinebench R23 multi-core, backed by 12 cores and 24 threads.
    Which one is the smarter buy today, not just the cheaper CPU?
    Ryzen 9 7845HX is still the faster CPU overall, but Ryzen 9 5900XT is easier to justify if budget matters more than peak performance. Ryzen 9 7845HX comes in at an unclear MSRP at unclear MSRP versus $349 MSRP, and it still gives you a 13.0% average FPS lead across 50 shared CPU game tests in our data. Ryzen 9 5900XT is also 100.0% better value on MSRP (126.4 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.
    Which one is more future-proof for 2026 and beyond?
    Ryzen 9 7845HX makes more sense long term for 2026 and beyond. You are getting a healthier platform with FL1 and DDR5 instead of AM4 and more multi-core headroom with 12 cores / 24 threads instead of 16/32. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

    Ryzen 9 5900XT vs Ryzen 9 7845HX Technical Specifications

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

    AMD

    Ryzen 9 5900XT

    The Ryzen 9 5900XT is manufactured by AMD. It was released in 31 July 2024 (1 year ago). It is based on the Vermeer (2020−2025) architecture. It features 16 cores and 32 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 44,105 points. Launch price was $349.

    AMD

    Ryzen 9 7845HX

    The Ryzen 9 7845HX is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 5.2 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on CCD = 5 nm, I/O = 6 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 44,940 points. Launch price was $499.

    Processing Power

    The Ryzen 9 5900XT packs 16 cores / 32 threads, while the Ryzen 9 7845HX offers 12 cores / 24 threads — the Ryzen 9 5900XT has 4 more cores. Boost clocks reach 4.8 GHz on the Ryzen 9 5900XT versus 5.2 GHz on the Ryzen 9 7845HX — a 8% clock advantage for the Ryzen 9 7845HX (base: 3.3 GHz vs 3 GHz). The Ryzen 9 5900XT uses the Vermeer (2020−2025) architecture (7 nm), while the Ryzen 9 7845HX uses Dragon Range-HX (Zen 4) (2023−2024) (CCD = 5 nm, I/O = 6 nm). In PassMark, the Ryzen 9 5900XT scores 44,105 against the Ryzen 9 7845HX's 44,940 — a 1.9% lead for the Ryzen 9 7845HX. Cinebench R23 multi-core: 22,000 vs 26,654 (19.1% advantage for the Ryzen 9 7845HX). Geekbench 6 single-core — the metric most relevant to gaming — records 2,320 vs 2,697, a 15% lead for the Ryzen 9 7845HX that directly translates to higher frame rates. Multi-core Geekbench: 14,000 vs 15,039 (7.2% advantage for the Ryzen 9 7845HX). L3 cache: 64 MB on the Ryzen 9 5900XT vs 64 MB (total) on the Ryzen 9 7845HX.

    FeatureRyzen 9 5900XTRyzen 9 7845HX
    Cores / Threads
    16 / 32+33%
    12 / 24
    Boost Clock
    4.8 GHz
    5.2 GHz+8%
    Base Clock
    3.3 GHz+10%
    3 GHz
    L3 Cache
    64 MB
    64 MB (total)
    L2 Cache
    512 kB (per core)
    1 MB (per core)+100%
    Process
    7 nm
    CCD = 5 nm, I/O = 6 nm-29%
    Architecture
    Vermeer (2020−2025)
    Dragon Range-HX (Zen 4) (2023−2024)
    PassMark
    44,105
    44,940+2%
    Cinebench R23 Multi
    22,000
    26,654+21%
    Geekbench 6 Single
    2,320
    2,697+16%
    Geekbench 6 Multi
    14,000
    15,039+7%
    🧠

    Memory & Platform

    The Ryzen 9 5900XT uses the AM4 socket (PCIe 4.0), while the Ryzen 9 7845HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 9 5900XT versus DDR5-5200 on the Ryzen 9 7845HX — the Ryzen 9 7845HX supports 62.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 5900XT supports up to 128 GB of RAM compared to 64 GB 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 9 5900XT) vs 28 (Ryzen 9 7845HX) — the Ryzen 9 7845HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: X570,B550,A520,X470,B450 (Ryzen 9 5900XT) and FL1 (Ryzen 9 7845HX).

    FeatureRyzen 9 5900XTRyzen 9 7845HX
    Socket
    AM4
    FL1
    PCIe Generation
    PCIe 4.0
    PCIe 5.0+25%
    Max RAM Speed
    DDR4-3200
    DDR5-5200+63%
    Max RAM Capacity
    128 GB+100%
    64 GB
    RAM Channels
    2
    2
    ECC Support
    Yes
    Yes
    PCIe Lanes
    24
    28+17%
    🔧

    Advanced Features

    Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 7845HX supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 9 7845HX includes integrated graphics (Radeon 610M), while the Ryzen 9 5900XT requires a dedicated GPU. Primary use case: Ryzen 9 5900XT targets High End Desktop, Ryzen 9 7845HX targets High-end Gaming / Content Creation. Direct competitor: Ryzen 9 7845HX rivals Core i9-13900HX.

    FeatureRyzen 9 5900XTRyzen 9 7845HX
    Integrated GPU
    No
    Yes
    IGPU Model
    Radeon 610M
    Unlocked
    Yes
    Yes
    AVX-512
    No
    Yes
    Virtualization
    AMD-V
    AMD-V
    Target Use
    High End Desktop
    High-end Gaming / Content Creation