Ryzen 7 5800X vs Ryzen 9 8945HS

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 5800X vs Ryzen 9 8945HS 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 5800X vs Ryzen 9 8945HS: 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 5800X

2020

Why buy it

✅+100% larger total L3 cache (32 MB vs 16 MB).
✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 9 8945HS across 50 shared CPU benchmark tests.
❌Lower PassMark (27,712 vs 29,584).
❌Launch MSRP is still $449 MSRP, while Ryzen 9 8945HS mostly shows up through inconsistent older-market listings.
❌133.3% higher power demand at 105W vs 45W.
❌Older platform position on AM4 with DDR4, while Ryzen 9 8945HS moves to FP8 and DDR5.

Ryzen 9 8945HS

2023

Why buy it

✅Better for gaming: +8.3% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 105W, a 60W reduction.
✅Newer platform on FP8 with DDR5 support instead of AM4 and DDR4.
✅Integrated graphics onboard with Radeon 780M, while Ryzen 7 5800X needs a discrete GPU.
✅Includes a boxed cooler (Laptop Integrated), unlike Ryzen 7 5800X.

Trade-offs

❌Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 9 8945HS better than Ryzen 7 5800X?

Yes. Ryzen 9 8945HS is the better all-around CPU here. It gives you a 8.3% average FPS lead across 50 shared CPU game tests in our data, 6.8% better 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 8945HS is the better pick. According to our tests, it delivers 8.3% 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 8945HS is the stronger fit. You are getting 6.8% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 9 8945HS is still the faster CPU overall, but Ryzen 7 5800X is easier to justify if budget matters more than peak performance. Ryzen 9 8945HS comes in at an unclear MSRP at unclear MSRP versus $449 MSRP, and it still gives you a 8.3% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 5800X is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 9 8945HS makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with FP8 and DDR5 instead of AM4, and more multi-core headroom with 8 cores / 16 threads instead of 8/16. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Ryzen 7 5800X vs Ryzen 9 8945HS Technical Specifications

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

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 9 8945HS

The Ryzen 9 8945HS is manufactured by AMD. It was released in 6 December 2023 (1 year ago). It is based on the Hawk Point-HS (Zen 4) (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 4 GHz, with boost up to 5.2 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 45 Watt. Memory support: DDR5. Passmark benchmark score: 29,584 points. Launch price was $299.

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Processing Power

Both the Ryzen 7 5800X and Ryzen 9 8945HS share an identical 8-core/16-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 5.2 GHz on the Ryzen 9 8945HS — a 10.1% clock advantage for the Ryzen 9 8945HS (base: 3.8 GHz vs 4 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 9 8945HS uses Hawk Point-HS (Zen 4) (2023−2024) (4 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Ryzen 9 8945HS's 29,584 — a 6.5% lead for the Ryzen 9 8945HS. L3 cache: 32 MB on the Ryzen 7 5800X vs 16 MB (total) on the Ryzen 9 8945HS.

Feature	Ryzen 7 5800X	Ryzen 9 8945HS
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.7 GHz	5.2 GHz+11%
Base Clock	3.8 GHz	4 GHz+5%
L3 Cache	32 MB+100%	16 MB (total)
L2 Cache	512K (per core)+51100%	1 MB (per core)
Process	7 nm, 12 nm	4 nm-43%
Architecture	Vermeer (Zen 3) (2020−2022)	Hawk Point-HS (Zen 4) (2023−2024)
PassMark	27,712	29,584+7%
Cinebench R23 Multi	—	17,200
Geekbench 6 Single	—	2,686
Geekbench 6 Multi	—	13,283

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Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Ryzen 9 8945HS uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200 on the Ryzen 7 5800X versus LPDDR5x-7500, DDR5-5600 on the Ryzen 9 8945HS — the Ryzen 9 8945HS supports 134.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 9 8945HS supports up to 256 GB of RAM compared to 128 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 20 (Ryzen 9 8945HS) — the Ryzen 7 5800X 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 FP7,FP8 (Ryzen 9 8945HS).

Feature	Ryzen 7 5800X	Ryzen 9 8945HS
Socket	AM4	FP8
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	LPDDR5x-7500, DDR5-5600+134%
Max RAM Capacity	128 GB	256 GB+100%
RAM Channels	2	2
ECC Support	Yes	No
PCIe Lanes	24+20%	20

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Advanced Features

Both processors feature an unlocked multiplier for overclocking. Only the Ryzen 9 8945HS supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 9 8945HS includes integrated graphics (Radeon 780M), while the Ryzen 7 5800X requires a dedicated GPU. Primary use case: Ryzen 7 5800X targets Desktop, Ryzen 9 8945HS targets Premium Performance Laptop. Direct competitor: Ryzen 9 8945HS rivals Core Ultra 9 185H.