Ryzen 9 7945HX vs Ryzen 9 9955HX

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.

Ryzen 9 7945HX

2023

Why buy it

✅Better for gaming: +3.6% higher average FPS across 4 shared CPU benchmark tests.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 9 9955HX.

Trade-offs

❌Lower Cinebench R23 multi-core (34,521 vs 38,010).

Ryzen 9 9955HX

2025

Why buy it

✅+10.1% higher Cinebench R23 multi-core.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX across 4 shared CPU benchmark tests.
❌No boxed cooler included, unlike Ryzen 9 7945HX.

Ryzen 9 7945HX

2023

Ryzen 9 9955HX

2025

Why buy it

✅Better for gaming: +3.6% higher average FPS across 4 shared CPU benchmark tests.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 9 9955HX.

Why buy it

✅+10.1% higher Cinebench R23 multi-core.

Trade-offs

❌Lower Cinebench R23 multi-core (34,521 vs 38,010).

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 7945HX across 4 shared CPU benchmark tests.
❌No boxed cooler included, unlike Ryzen 9 7945HX.

Quick Answers

So, is Ryzen 9 9955HX better than Ryzen 9 7945HX?

It depends on what matters more to you. For gaming, Ryzen 9 7945HX 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 9 9955HX pulls ahead with 10.1% better Cinebench R23 multi-core.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Ryzen 9 9955HX is the better fit. You are getting 10.1% better Cinebench R23 multi-core, backed by 16 cores and 32 threads.

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

Ryzen 9 9955HX still looks like the safer overall buy. Ryzen 9 9955HX is at an unclear MSRP at unclear MSRP versus unclear MSRP, and it gives you 10.1% better Cinebench R23 multi-core.

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

Ryzen 9 9955HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2023) and more multi-core headroom with 16 cores / 32 threads instead of 16/32. 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.

Ryzen 9 7945HX Benchmark Check

Ryzen 9 9955HX Benchmark Check

Path of Exile 2

Preset	Ryzen 9 7945HX	Ryzen 9 9955HX
1080p
low	301 FPS	284 FPS
medium	276 FPS	261 FPS
high	224 FPS	214 FPS
ultra	190 FPS	180 FPS
1440p
low	271 FPS	260 FPS
medium	226 FPS	217 FPS
high	172 FPS	167 FPS
ultra	153 FPS	147 FPS
4K
low	189 FPS	181 FPS
medium	157 FPS	151 FPS
high	119 FPS	115 FPS
ultra	107 FPS	102 FPS

Open Ryzen 9 7945HX Open Ryzen 9 9955HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 9 7945HX	Ryzen 9 9955HX
1080p
low	744 FPS	666 FPS
medium	620 FPS	577 FPS
high	466 FPS	433 FPS
ultra	397 FPS	369 FPS
1440p
low	630 FPS	564 FPS
medium	541 FPS	503 FPS
high	419 FPS	389 FPS
ultra	328 FPS	305 FPS
4K
low	355 FPS	318 FPS
medium	309 FPS	288 FPS
high	272 FPS	253 FPS
ultra	230 FPS	214 FPS

Open Ryzen 9 7945HX Open Ryzen 9 9955HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 9 7945HX	Ryzen 9 9955HX
1080p
low	893 FPS	848 FPS
medium	712 FPS	678 FPS
high	618 FPS	600 FPS
ultra	533 FPS	515 FPS
1440p
low	718 FPS	678 FPS
medium	572 FPS	542 FPS
high	487 FPS	469 FPS
ultra	418 FPS	397 FPS
4K
low	513 FPS	482 FPS
medium	427 FPS	399 FPS
high	383 FPS	359 FPS
ultra	323 FPS	301 FPS

Open Ryzen 9 7945HX Open Ryzen 9 9955HX

League of Legends

League of Legends

Valorant

Preset	Ryzen 9 7945HX	Ryzen 9 9955HX
1080p
low	1129 FPS	1071 FPS
medium	1006 FPS	966 FPS
high	873 FPS	843 FPS
ultra	768 FPS	759 FPS
1440p
low	900 FPS	840 FPS
medium	790 FPS	746 FPS
high	689 FPS	651 FPS
ultra	584 FPS	564 FPS
4K
low	648 FPS	618 FPS
medium	578 FPS	553 FPS
high	510 FPS	487 FPS
ultra	436 FPS	420 FPS

Open Ryzen 9 7945HX Open Ryzen 9 9955HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 9 7945HX and Ryzen 9 9955HX

Ryzen 9 7945HX

The Ryzen 9 7945HX is manufactured by AMD. It was released in 2023-03-12. It is based on the Dragon Range-HX (Zen 4) (2023−2024) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 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: 54,425 points. Launch price was $700.

Ryzen 9 9955HX

The Ryzen 9 9955HX is manufactured by AMD. It was released in 2025-01-01. It is based on the Fire Range-HX (Zen 5) (2025) architecture. It features 16 cores and 32 threads. Base frequency is 2.5 GHz, with boost up to 5.4 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 55,711 points. Launch price was $650.

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Processing Power

Both the Ryzen 9 7945HX and Ryzen 9 9955HX share an identical 16-core/32-thread configuration. Boost clocks reach 5.4 GHz on the Ryzen 9 7945HX versus 5.4 GHz on the Ryzen 9 9955HX — identical boost frequencies (base: 2.5 GHz vs 2.5 GHz). The Ryzen 9 7945HX uses the Dragon Range-HX (Zen 4) (2023−2024) architecture (CCD = 5 nm, I/O = 6 nm), while the Ryzen 9 9955HX uses Fire Range-HX (Zen 5) (2025) (4 nm). In PassMark, the Ryzen 9 7945HX scores 54,425 against the Ryzen 9 9955HX's 55,711 — a 2.3% lead for the Ryzen 9 9955HX. Cinebench R23 multi-core: 34,521 vs 38,010 (9.6% advantage for the Ryzen 9 9955HX). Geekbench 6 single-core — the metric most relevant to gaming — records 2,774 vs 3,219, a 14.9% lead for the Ryzen 9 9955HX that directly translates to higher frame rates. Multi-core Geekbench: 16,214 vs 19,563 (18.7% advantage for the Ryzen 9 9955HX). Both processors carry 64 MB (total) of L3 cache.

Feature	Ryzen 9 7945HX	Ryzen 9 9955HX
Cores / Threads	16 / 32	16 / 32
Boost Clock	5.4 GHz	5.4 GHz
Base Clock	2.5 GHz	2.5 GHz
L3 Cache	64 MB (total)	64 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	CCD = 5 nm, I/O = 6 nm	4 nm-20%
Architecture	Dragon Range-HX (Zen 4) (2023−2024)	Fire Range-HX (Zen 5) (2025)
PassMark	54,425	55,711+2%
Cinebench R23 Multi	34,521	38,010+10%
Geekbench 6 Single	2,774	3,219+16%
Geekbench 6 Multi	16,214	19,563+21%

🧠

Memory & Platform

Both processors use the FL1 socket with PCIe 5.0. Both support up to DDR5-5200 memory speed. The Ryzen 9 9955HX supports up to 96 GB of RAM compared to 64 GB — 40% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 28 PCIe lanes. Chipset compatibility: FL1 (Ryzen 9 7945HX) and AMD FL1 (Ryzen 9 9955HX).

Feature	Ryzen 9 7945HX	Ryzen 9 9955HX
Socket	FL1	FL1
PCIe Generation	PCIe 5.0	PCIe 5.0
Max RAM Speed	DDR5-5200	DDR5-5600
Max RAM Capacity	64 GB	96 GB+50%
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	28	28

🔧

Advanced Features

Both processors feature an unlocked multiplier for overclocking. Both support AVX-512 instructions, benefiting scientific computing, AI inference, and encryption workloads. Virtualization support: AMD-V (Ryzen 9 7945HX) vs true (Ryzen 9 9955HX). Both include integrated graphics — Radeon 610M (Ryzen 9 7945HX) and Radeon 610M (Ryzen 9 9955HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 9 7945HX targets Extreme Gaming / Mobile Workstation. Direct competitor: Ryzen 9 7945HX rivals Core i9-14900HX; Ryzen 9 9955HX rivals Core Ultra 9 275HX.

Feature	Ryzen 9 7945HX	Ryzen 9 9955HX
Integrated GPU	Yes	Yes
IGPU Model	Radeon 610M	Radeon 610M
Unlocked	Yes	Yes
AVX-512	Yes	Yes
Virtualization	AMD-V	true
Target Use	Extreme Gaming / Mobile Workstation	—