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

✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark (27,712 vs 34,549).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Launch MSRP is still $449 MSRP, while Ryzen 9 PRO 5945 mostly shows up through inconsistent older-market listings.
❌61.5% higher power demand at 105W vs 65W.

Ryzen 9 PRO 5945

2022

Why buy it

✅+24.7% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Draws 65W instead of 105W, a 40W reduction.

Trade-offs

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

Ryzen 7 5800X

2020

Ryzen 9 PRO 5945

2022

Why buy it

✅20% more PCIe lanes (24 vs 20) for storage and expansion-heavy builds.

Why buy it

✅+24.7% higher PassMark.
✅+100% larger total L3 cache (64 MB vs 32 MB).
✅Draws 65W instead of 105W, a 40W reduction.

Trade-offs

❌Lower PassMark (27,712 vs 34,549).
❌Smaller total L3 cache (32 MB vs 64 MB).
❌Launch MSRP is still $449 MSRP, while Ryzen 9 PRO 5945 mostly shows up through inconsistent older-market listings.
❌61.5% higher power demand at 105W vs 65W.

Trade-offs

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

Quick Answers

So, is Ryzen 9 PRO 5945 better than Ryzen 7 5800X?

Yes. Ryzen 9 PRO 5945 is the better overall CPU here. You are getting a 2.4% average FPS lead across 50 shared CPU game tests in our data, 24.7% better PassMark, and the stronger long-term platform, which makes it the stronger all-around choice.

Which one is better for gaming?

For gaming, the two CPUs are effectively a wash in the available data.

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

For streaming, content creation, and heavier multitasking, Ryzen 9 PRO 5945 is the better fit. You are getting 24.7% 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 9 PRO 5945 is still the faster CPU overall, but Ryzen 7 5800X makes more sense if price matters more than absolute performance. Ryzen 9 PRO 5945 is at an unclear MSRP at unclear MSRP versus $449 MSRP, and it gives you a 2.4% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 5800X is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), which is why it is easier to justify for price-conscious builds on paper.

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

Ryzen 9 PRO 5945 is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020), 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 extra compute headroom should age better as games, background tasks, and creator workloads get heavier.

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 9 PRO 5945 Benchmark Check

Path of Exile 2

Preset	Ryzen 7 5800X	Ryzen 9 PRO 5945
1080p
low	206 FPS	164 FPS
medium	178 FPS	136 FPS
high	146 FPS	116 FPS
ultra	110 FPS	97 FPS
1440p
low	170 FPS	149 FPS
medium	142 FPS	119 FPS
high	115 FPS	97 FPS
ultra	88 FPS	82 FPS
4K
low	83 FPS	83 FPS
medium	74 FPS	72 FPS
high	59 FPS	57 FPS
ultra	46 FPS	46 FPS

Open Ryzen 7 5800X Open Ryzen 9 PRO 5945

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 5800X	Ryzen 9 PRO 5945
1080p
low	662 FPS	630 FPS
medium	558 FPS	544 FPS
high	466 FPS	434 FPS
ultra	417 FPS	381 FPS
1440p
low	563 FPS	524 FPS
medium	493 FPS	460 FPS
high	423 FPS	385 FPS
ultra	361 FPS	315 FPS
4K
low	350 FPS	307 FPS
medium	308 FPS	271 FPS
high	288 FPS	249 FPS
ultra	250 FPS	221 FPS

Open Ryzen 7 5800X Open Ryzen 9 PRO 5945

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 5800X	Ryzen 9 PRO 5945
1080p
low	693 FPS	845 FPS
medium	651 FPS	670 FPS
high	570 FPS	586 FPS
ultra	464 FPS	494 FPS
1440p
low	693 FPS	676 FPS
medium	573 FPS	535 FPS
high	498 FPS	460 FPS
ultra	413 FPS	387 FPS
4K
low	484 FPS	480 FPS
medium	410 FPS	398 FPS
high	363 FPS	354 FPS
ultra	302 FPS	293 FPS

Open Ryzen 7 5800X Open Ryzen 9 PRO 5945

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 5800X	Ryzen 9 PRO 5945
1080p
low	693 FPS	864 FPS
medium	693 FPS	864 FPS
high	693 FPS	836 FPS
ultra	693 FPS	743 FPS
1440p
low	693 FPS	864 FPS
medium	693 FPS	757 FPS
high	672 FPS	661 FPS
ultra	593 FPS	566 FPS
4K
low	604 FPS	626 FPS
medium	550 FPS	557 FPS
high	495 FPS	490 FPS
ultra	436 FPS	423 FPS

Open Ryzen 7 5800X Open Ryzen 9 PRO 5945

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 5800X and Ryzen 9 PRO 5945

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 PRO 5945

The Ryzen 9 PRO 5945 is manufactured by AMD. It was released in 4 April 2022 (3 years ago). It is based on the Vermeer (2020−2025) architecture. It features 12 cores and 24 threads. Base frequency is 3 GHz, with boost up to 4.7 GHz. L3 cache: 64 MB. L2 cache: 512 kB (per core). Built on 7 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 34,549 points. Launch price was $499.

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Processing Power

The Ryzen 7 5800X packs 8 cores / 16 threads, while the Ryzen 9 PRO 5945 offers 12 cores / 24 threads — the Ryzen 9 PRO 5945 has 4 more cores. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 4.7 GHz on the Ryzen 9 PRO 5945 — identical boost frequencies (base: 3.8 GHz vs 3 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 9 PRO 5945 uses Vermeer (2020−2025) (7 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Ryzen 9 PRO 5945's 34,549 — a 22% lead for the Ryzen 9 PRO 5945. L3 cache: 32 MB on the Ryzen 7 5800X vs 64 MB on the Ryzen 9 PRO 5945.

Feature	Ryzen 7 5800X	Ryzen 9 PRO 5945
Cores / Threads	8 / 16	12 / 24+50%
Boost Clock	4.7 GHz	4.7 GHz
Base Clock	3.8 GHz+27%	3 GHz
L3 Cache	32 MB	64 MB+100%
L2 Cache	512K (per core)	512 kB (per core)
Process	7 nm, 12 nm	7 nm
Architecture	Vermeer (Zen 3) (2020−2022)	Vermeer (2020−2025)
PassMark	27,712	34,549+25%
Cinebench R23 Multi	—	23,200
Geekbench 6 Single	—	2,175
Geekbench 6 Multi	—	12,500

🧠

Memory & Platform

Both processors use the AM4 socket with PCIe 4.0. Both support up to DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 24 (Ryzen 7 5800X) vs 20 (Ryzen 9 PRO 5945) — 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 X570,B550,A520,X470,B450 (Ryzen 9 PRO 5945).

Feature	Ryzen 7 5800X	Ryzen 9 PRO 5945
Socket	AM4	AM4
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR4-3200	DDR4-3200
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	Yes	Yes
PCIe Lanes	24+20%	20

🔧

Advanced Features

Only the Ryzen 7 5800X has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: AMD-V (Ryzen 7 5800X) vs AMD-V (SVM) (Ryzen 9 PRO 5945). Primary use case: Ryzen 7 5800X targets Desktop, Ryzen 9 PRO 5945 targets High-end Gaming. Direct competitor: Ryzen 9 PRO 5945 rivals Core i9-12900.