Ryzen 7 7840S vs Ryzen 9 5980HX

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 7 7840S vs Ryzen 9 5980HX 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 7 7840S vs Ryzen 9 5980HX: Pros, Cons & Final Verdict

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

Ryzen 7 7840S

2023

Why buy it

✅Better for gaming: +14.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 8W instead of 45W, a 37W reduction.
✅Newer platform on FP7/FP7r2/FP8 with DDR5 support instead of FP6 and DDR4.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (23,290 vs 23,300).

Ryzen 9 5980HX

2021

Why buy it

✅+0% higher PassMark.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7840S across 50 shared CPU benchmark tests.
❌462.5% higher power demand at 45W vs 8W.
❌Older platform position on FP6 with DDR4, while Ryzen 7 7840S moves to FP7/FP7r2/FP8 and DDR5.

Quick Answers

So, is Ryzen 7 7840S better than Ryzen 9 5980HX?

It depends on what you want from the system. For gaming, Ryzen 7 7840S is ahead with a 14.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 9 5980HX pulls ahead with 0% better PassMark.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 5980HX is the stronger fit. You are getting 0% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 7840S still makes the most sense overall. Ryzen 7 7840S comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 14.7% average FPS lead across 50 shared CPU game tests in our data.

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

Ryzen 7 7840S makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2021) and a healthier platform with FP7/FP7r2/FP8 and DDR5 instead of FP6. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 7 7840S vs Ryzen 9 5980HX Technical Specifications

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

Ryzen 7 7840S

The Ryzen 7 7840S is manufactured by AMD. It was released in 5 January 2023 (2 years ago). It is based on the Phoenix-HS (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP7r2/FP8. Thermal design power (TDP): 8 MB + 16 MB. Memory support: DDR5. Passmark benchmark score: 23,290 points. Launch price was $299.

Ryzen 9 5980HX

The Ryzen 9 5980HX is manufactured by AMD. It was released in 12 January 2021 (4 years ago). It is based on the Cezanne-HX (Zen 3) (2021) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 16 MB (total). L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: FP6. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 23,300 points. Launch price was $299.

⚡

Processing Power

Both the Ryzen 7 7840S and Ryzen 9 5980HX share an identical 8-core/16-thread configuration. Boost clocks reach 5.1 GHz on the Ryzen 7 7840S versus 4.8 GHz on the Ryzen 9 5980HX — a 6.1% clock advantage for the Ryzen 7 7840S (base: 3.8 GHz vs 3.3 GHz). The Ryzen 7 7840S uses the Phoenix-HS (Zen 4) (2023) architecture (4 nm), while the Ryzen 9 5980HX uses Cezanne-HX (Zen 3) (2021) (7 nm). In PassMark, the Ryzen 7 7840S scores 23,290 against the Ryzen 9 5980HX's 23,300 — a 0% lead for the Ryzen 9 5980HX. L3 cache: 16 MB on the Ryzen 7 7840S vs 16 MB (total) on the Ryzen 9 5980HX.

Feature	Ryzen 7 7840S	Ryzen 9 5980HX
Cores / Threads	8 / 16	8 / 16
Boost Clock	5.1 GHz+6%	4.8 GHz
Base Clock	3.8 GHz+15%	3.3 GHz
L3 Cache	16 MB	16 MB (total)
L2 Cache	8 MB+1500%	512 kB (per core)
Process	4 nm-43%	7 nm
Architecture	Phoenix-HS (Zen 4) (2023)	Cezanne-HX (Zen 3) (2021)
PassMark	23,290	23,300
Cinebench R23 Multi	13,500	—
Geekbench 6 Single	2,570	—
Geekbench 6 Multi	13,535	—

🧠

Memory & Platform

The Ryzen 7 7840S uses the FP7/FP7r2/FP8 socket (PCIe 4.0), while the Ryzen 9 5980HX uses FP6 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-5600, LPDDR5x-7500 on the Ryzen 7 7840S versus LPDDR4-4266 on the Ryzen 9 5980HX — the Ryzen 7 7840S supports 31.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7840S supports up to 256 GB of RAM compared to 64 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Ryzen 7 7840S) vs 16 (Ryzen 9 5980HX) — the Ryzen 7 7840S offers 4 more lanes for additional GPUs or NVMe drives.

Feature	Ryzen 7 7840S	Ryzen 9 5980HX
Socket	FP7/FP7r2/FP8	FP6
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	DDR5-5600, LPDDR5x-7500+31%	LPDDR4-4266
Max RAM Capacity	256 GB+300%	64 GB
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	20+25%	16

🔧

Advanced Features

Only the Ryzen 9 5980HX has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7840S supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (SVM) (Ryzen 7 7840S) vs AMD-V (Ryzen 9 5980HX). Both include integrated graphics — Radeon 780M (Ryzen 7 7840S) and Radeon Graphics (8CU) (Ryzen 9 5980HX) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: Ryzen 7 7840S targets Gaming, Ryzen 9 5980HX targets Mobile High-End. Direct competitor: Ryzen 7 7840S rivals Core i7-1360P.