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

✅+13% higher PassMark.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 7 PRO 7840U mostly shows up through inconsistent older-market listings.
❌1212.5% higher power demand at 105W vs 8W.
❌Older platform position on AM4 with DDR4, while Ryzen 7 PRO 7840U moves to FP7/FP8 and DDR5.

Ryzen 7 PRO 7840U

2023

Why buy it

✅Draws 8W instead of 105W, a 97W reduction.
✅Newer platform on FP7/FP8 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Lower PassMark (24,531 vs 27,712).
❌Smaller total L3 cache (16 MB vs 32 MB).

Ryzen 7 5800X

2020

Ryzen 7 PRO 7840U

2023

Why buy it

✅+13% higher PassMark.
✅+100% larger total L3 cache (32 MB vs 16 MB).
✅100+% more PCIe lanes (24 vs 0) for storage and expansion-heavy builds.

Why buy it

✅Draws 8W instead of 105W, a 97W reduction.
✅Newer platform on FP7/FP8 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Launch MSRP is still $449 MSRP, while Ryzen 7 PRO 7840U mostly shows up through inconsistent older-market listings.
❌1212.5% higher power demand at 105W vs 8W.
❌Older platform position on AM4 with DDR4, while Ryzen 7 PRO 7840U moves to FP7/FP8 and DDR5.

Trade-offs

❌Lower PassMark (24,531 vs 27,712).
❌Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 7 PRO 7840U better than Ryzen 7 5800X?

It depends on what matters more to you. For gaming, Ryzen 7 PRO 7840U is ahead with a 1.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 5800X pulls ahead with 13% better PassMark. Ryzen 7 5800X also has the bigger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).

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

For streaming, content creation, and heavier multitasking, Ryzen 7 5800X is the better fit. You are getting 13% better PassMark, backed by 8 cores and 16 threads. It also carries the larger cache pool with 100% larger total L3 cache (32 MB vs 16 MB).

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

Ryzen 7 PRO 7840U is still the faster CPU overall, but Ryzen 7 5800X makes more sense if price matters more than absolute performance. Ryzen 7 PRO 7840U is at an unclear MSRP at unclear MSRP versus $449 MSRP, and it gives you a 1.2% average FPS lead across 50 shared CPU game tests in our data. The trade-off is that Ryzen 7 5800X is still stronger for heavier multi-core work with 13% better PassMark. Ryzen 7 5800X is also 100.0% better value on MSRP (61.7 vs 0.0 PassMark/$), 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 PRO 7840U is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020) and a healthier platform with FP7/FP8 and DDR5 instead of AM4. 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 PRO 7840U Benchmark Check

Path of Exile 2

Preset	Ryzen 7 5800X	Ryzen 7 PRO 7840U
1080p
low	206 FPS	259 FPS
medium	178 FPS	238 FPS
high	146 FPS	201 FPS
ultra	110 FPS	173 FPS
1440p
low	170 FPS	229 FPS
medium	142 FPS	191 FPS
high	115 FPS	155 FPS
ultra	88 FPS	137 FPS
4K
low	83 FPS	159 FPS
medium	74 FPS	134 FPS
high	59 FPS	104 FPS
ultra	46 FPS	92 FPS

Open Ryzen 7 5800X Open Ryzen 7 PRO 7840U

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 5800X	Ryzen 7 PRO 7840U
1080p
low	662 FPS	492 FPS
medium	558 FPS	408 FPS
high	466 FPS	356 FPS
ultra	417 FPS	319 FPS
1440p
low	563 FPS	430 FPS
medium	493 FPS	376 FPS
high	423 FPS	328 FPS
ultra	361 FPS	281 FPS
4K
low	350 FPS	284 FPS
medium	308 FPS	259 FPS
high	288 FPS	248 FPS
ultra	250 FPS	214 FPS

Open Ryzen 7 5800X Open Ryzen 7 PRO 7840U

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 5800X	Ryzen 7 PRO 7840U
1080p
low	693 FPS	613 FPS
medium	651 FPS	613 FPS
high	570 FPS	613 FPS
ultra	464 FPS	522 FPS
1440p
low	693 FPS	613 FPS
medium	573 FPS	613 FPS
high	498 FPS	523 FPS
ultra	413 FPS	449 FPS
4K
low	484 FPS	523 FPS
medium	410 FPS	457 FPS
high	363 FPS	405 FPS
ultra	302 FPS	343 FPS

Open Ryzen 7 5800X Open Ryzen 7 PRO 7840U

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 5800X	Ryzen 7 PRO 7840U
1080p
low	693 FPS	613 FPS
medium	693 FPS	613 FPS
high	693 FPS	613 FPS
ultra	693 FPS	613 FPS
1440p
low	693 FPS	613 FPS
medium	693 FPS	613 FPS
high	672 FPS	613 FPS
ultra	593 FPS	549 FPS
4K
low	604 FPS	558 FPS
medium	550 FPS	502 FPS
high	495 FPS	449 FPS
ultra	436 FPS	385 FPS

Open Ryzen 7 5800X Open Ryzen 7 PRO 7840U

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 5800X and Ryzen 7 PRO 7840U

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 PRO 7840U

The Ryzen 7 PRO 7840U is manufactured by AMD. It was released in 3 May 2023 (2 years ago). It is based on the Phoenix (Zen 4) (2023) architecture. It features 8 cores and 16 threads. Base frequency is 3.3 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB. L2 cache: 8 MB. Built on 4 nm process technology. Socket: FP7/FP8. Thermal design power (TDP): 28 Watt. Memory support: LPDDR5x, DDR5. Passmark benchmark score: 24,531 points. Launch price was $299.

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Processing Power

Both the Ryzen 7 5800X and Ryzen 7 PRO 7840U share an identical 8-core/16-thread configuration. Boost clocks reach 4.7 GHz on the Ryzen 7 5800X versus 5.1 GHz on the Ryzen 7 PRO 7840U — a 8.2% clock advantage for the Ryzen 7 PRO 7840U (base: 3.8 GHz vs 3.3 GHz). The Ryzen 7 5800X uses the Vermeer (Zen 3) (2020−2022) architecture (7 nm, 12 nm), while the Ryzen 7 PRO 7840U uses Phoenix (Zen 4) (2023) (4 nm). In PassMark, the Ryzen 7 5800X scores 27,712 against the Ryzen 7 PRO 7840U's 24,531 — a 12.2% lead for the Ryzen 7 5800X. L3 cache: 32 MB on the Ryzen 7 5800X vs 16 MB on the Ryzen 7 PRO 7840U.

Feature	Ryzen 7 5800X	Ryzen 7 PRO 7840U
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.7 GHz	5.1 GHz+9%
Base Clock	3.8 GHz+15%	3.3 GHz
L3 Cache	32 MB+100%	16 MB
L2 Cache	512K (per core)	8 MB+1500%
Process	7 nm, 12 nm	4 nm-43%
Architecture	Vermeer (Zen 3) (2020−2022)	Phoenix (Zen 4) (2023)
PassMark	27,712+13%	24,531

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Memory & Platform

The Ryzen 7 5800X uses the AM4 socket (PCIe 4.0), while the Ryzen 7 PRO 7840U uses FP7/FP8 (PCIe 4.0) — making them incompatible on the same motherboard.