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 7 5800X

2020

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 8840HX across 4 shared CPU benchmark tests.
❌Lower PassMark (27,712 vs 42,275).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Launch MSRP is still $449 MSRP, while Ryzen 7 8840HX mostly shows up through inconsistent older-market listings.
❌90.9% higher power demand at 105W vs 55W.

Ryzen 7 8840HX

2025

Why buy it

✅Better for gaming: +8.1% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅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.

Trade-offs

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

Ryzen 7 5800X

2020

Ryzen 7 8840HX

2025

Why buy it

✅Better for gaming: +8.1% higher average FPS across 4 shared CPU benchmark tests.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅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.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 8840HX across 4 shared CPU benchmark tests.
❌Lower PassMark (27,712 vs 42,275).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Launch MSRP is still $449 MSRP, while Ryzen 7 8840HX mostly shows up through inconsistent older-market listings.
❌90.9% higher power demand at 105W vs 55W.

Trade-offs

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

Quick Answers

So, is Ryzen 7 8840HX better than Ryzen 7 5800X?

Yes. Ryzen 7 8840HX is the better overall CPU here. You are getting a 8.1% average FPS lead across 4 shared CPU game tests in our data, 52.6% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 8840HX is the better pick here. According to our tests, it delivers 8.1% more average FPS across 4 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Ryzen 7 8840HX is the better fit. You are getting 52.6% better PassMark, backed by 12 cores and 24 threads. It also carries the larger cache pool with 100% larger total L3 cache (64 MB vs 32 MB).

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

Ryzen 7 8840HX is still the faster CPU overall, but Ryzen 7 5800X makes more sense if price matters more than absolute performance. Ryzen 7 8840HX is at an unclear MSRP at unclear MSRP versus $449 MSRP, and it gives you a 8.1% average FPS lead across 4 shared CPU game tests in our data. Ryzen 7 5800X is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 7 8840HX is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2025 vs 2020), a healthier platform with FL1 and DDR5 instead of AM4, 100% larger total L3 cache (64 MB vs 32 MB), and more multi-core headroom with 12 cores / 24 threads instead of 8/16. 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 7 5800X Benchmark Check

Ryzen 7 8840HX Benchmark Check

Path of Exile 2

Preset	Ryzen 7 5800X	Ryzen 7 8840HX
1080p
low	206 FPS	267 FPS
medium	178 FPS	244 FPS
high	146 FPS	207 FPS
ultra	110 FPS	180 FPS
1440p
low	170 FPS	252 FPS
medium	142 FPS	206 FPS
high	115 FPS	162 FPS
ultra	88 FPS	146 FPS
4K
low	83 FPS	175 FPS
medium	74 FPS	143 FPS
high	59 FPS	107 FPS
ultra	46 FPS	96 FPS

Open Ryzen 7 5800X Open Ryzen 7 8840HX

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 5800X	Ryzen 7 8840HX
1080p
low	662 FPS	654 FPS
medium	558 FPS	566 FPS
high	466 FPS	427 FPS
ultra	417 FPS	367 FPS
1440p
low	563 FPS	554 FPS
medium	493 FPS	494 FPS
high	423 FPS	384 FPS
ultra	361 FPS	303 FPS
4K
low	350 FPS	312 FPS
medium	308 FPS	283 FPS
high	288 FPS	250 FPS
ultra	250 FPS	212 FPS

Open Ryzen 7 5800X Open Ryzen 7 8840HX

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 5800X	Ryzen 7 8840HX
1080p
low	693 FPS	847 FPS
medium	651 FPS	677 FPS
high	570 FPS	599 FPS
ultra	464 FPS	514 FPS
1440p
low	693 FPS	676 FPS
medium	573 FPS	541 FPS
high	498 FPS	468 FPS
ultra	413 FPS	397 FPS
4K
low	484 FPS	483 FPS
medium	410 FPS	400 FPS
high	363 FPS	360 FPS
ultra	302 FPS	302 FPS

Open Ryzen 7 5800X Open Ryzen 7 8840HX

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 5800X	Ryzen 7 8840HX
1080p
low	693 FPS	1057 FPS
medium	693 FPS	966 FPS
high	693 FPS	843 FPS
ultra	693 FPS	760 FPS
1440p
low	693 FPS	842 FPS
medium	693 FPS	747 FPS
high	672 FPS	652 FPS
ultra	593 FPS	566 FPS
4K
low	604 FPS	619 FPS
medium	550 FPS	553 FPS
high	495 FPS	487 FPS
ultra	436 FPS	421 FPS

Open Ryzen 7 5800X Open Ryzen 7 8840HX

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 5800X and Ryzen 7 8840HX

Ryzen 7 5800X

The Ryzen 7 5800X is manufactured by AMD. It was released in 5 November 2020 (5 years ago). It is based on the Vermeer (Zen 3) (2020−2022) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 4.7 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 27,712 points. Launch price was $449.

Ryzen 7 8840HX

The Ryzen 7 8840HX is manufactured by AMD. It was released in 23 April 2025 (less than a year ago). It is based on the Dragon Range (2025) architecture. It features 12 cores and 24 threads. Base frequency is 2.9 GHz, with boost up to 5.1 GHz. L3 cache: 64 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: FL1. Thermal design power (TDP): 55 Watt. Memory support: DDR5. Passmark benchmark score: 42,275 points. Launch price was $499.

⚡

Processing Power

The Ryzen 7 5800X packs 8 cores / 16 threads, while the Ryzen 7 8840HX offers 12 cores / 24 threads — the Ryzen 7 8840HX has 4 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 5.1 GHz on the Ryzen 7 8840HX — a 8.2% clock advantage for the Ryzen 7 8840HX (base: 3.8 GHz vs 2.9 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 7 8840HX uses Dragon Range (2025) (5 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Ryzen 7 8840HX's 42,275 — a 41.6% lead for the Ryzen 7 8840HX. L3 cache: 32 MB on the Ryzen 7 5800X vs 64 MB (total) on the Ryzen 7 8840HX.

Feature	Ryzen 7 5800X	Ryzen 7 8840HX
Cores / Threads	8 / 16	12 / 24+50%
Boost Clock	4.7 GHz	5.1 GHz+9%
Base Clock	3.8 GHz+31%	2.9 GHz
L3 Cache	32 MB	64 MB (total)+100%
L2 Cache	512K (per core)	1 MB (per core)+100%
Process	7 nm, 12 nm	5 nm-29%
Architecture	Vermeer (Zen 3) (2020−2022)	Dragon Range (2025)
PassMark	27,712	42,275+53%

🧠

Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Ryzen 7 8840HX uses FL1 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus 5600 on the Ryzen 7 8840HX — the Ryzen 7 8840HX supports 199.7% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 5800X supports up to 128 GB of RAM compared to 64 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 28 (Ryzen 7 8840HX) — the Ryzen 7 8840HX offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 500 series,AMD 400 series,AMD 300 series (Ryzen 7 5800X) and FP8,FP7 (Ryzen 7 8840HX).

Feature	Ryzen 7 5800X	Ryzen 7 8840HX
Socket	AM4	FL1
PCIe Generation	PCIe 4.0	PCIe 5.0+25%
Max RAM Speed	DDR4-3200	5600+139900%
Max RAM Capacity	128 GB+209715100%	64
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24	28+17%

🔧

Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 8840HX supports AVX-512 instructions — important for machine learning and scientific applications. Virtualization support: AMD-V (Ryzen 7 5800X) vs VT-x, VT-d, AMD-V (Ryzen 7 8840HX). The Ryzen 7 8840HX includes integrated graphics (AMD Radeon 780M), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop. Direct competitor: Ryzen 7 8840HX rivals Core i7-13700H.