Ryzen 7 3700X vs Ryzen 7 PRO 7840U

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 3700X vs Ryzen 7 PRO 7840U 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 3700X vs Ryzen 7 PRO 7840U: 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 3700X

2019

Why buy it

✅Better for gaming: +3.3% higher average FPS across 50 shared CPU benchmark tests.
✅+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

❌Lower PassMark (22,430 vs 24,531).
❌Launch MSRP is still $329 MSRP, while Ryzen 7 PRO 7840U mostly shows up through inconsistent older-market listings.
❌712.5% higher power demand at 65W 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

✅+9.4% higher PassMark.
✅Draws 8W instead of 65W, a 57W reduction.
✅Newer platform on FP7/FP8 with DDR5 support instead of AM4 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 3700X across 50 shared CPU benchmark tests.
❌Smaller total L3 cache (16 MB vs 32 MB).

Quick Answers

So, is Ryzen 7 PRO 7840U better than Ryzen 7 3700X?

It depends on what you want from the system. For gaming, Ryzen 7 3700X is ahead with a 3.3% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Ryzen 7 PRO 7840U pulls ahead with 9.4% better PassMark. Ryzen 7 3700X 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 PRO 7840U is the stronger fit. You are getting 9.4% better PassMark, backed by 8 cores and 16 threads.

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 3700X is easier to justify if budget matters more than peak performance. Ryzen 7 PRO 7840U comes in at an unclear MSRP at unclear MSRP versus $329 MSRP, and it still gives you 9.4% better PassMark. The compromise is that Ryzen 7 3700X is still the better pure gaming CPU with a 3.3% average FPS lead across 50 shared CPU game tests in our data. Ryzen 7 3700X is also 100.0% better value on MSRP (68.2 vs 0.0 PassMark/$), 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 7 PRO 7840U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with FP7/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 3700X vs Ryzen 7 PRO 7840U Technical Specifications

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

Ryzen 7 3700X

The Ryzen 7 3700X is manufactured by AMD. It was released in 7 July 2019 (6 years ago). It is based on the Matisse (Zen 2) (2019−2020) architecture. It features 8 cores and 16 threads. Base frequency is 3.6 GHz, with boost up to 4.4 GHz. L3 cache: 32 MB. L2 cache: 512K (per core). Built on 7 nm, 12 nm process technology. Socket: AM4. Thermal design power (TDP): 65 Watt. Memory support: DDR4 Dual-channel. Passmark benchmark score: 22,430 points. Launch price was $329.

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 3700X and Ryzen 7 PRO 7840U share an identical 8-core/16-thread configuration. Boost clocks reach 4.4 GHz on the Ryzen 7 3700X versus 5.1 GHz on the Ryzen 7 PRO 7840U — a 14.7% clock advantage for the Ryzen 7 PRO 7840U (base: 3.6 GHz vs 3.3 GHz). The Ryzen 7 3700X uses the Matisse (Zen 2) (2019−2020) architecture (7 nm, 12 nm), while the Ryzen 7 PRO 7840U uses Phoenix (Zen 4) (2023) (4 nm). In PassMark, the Ryzen 7 3700X scores 22,430 against the Ryzen 7 PRO 7840U's 24,531 — a 8.9% lead for the Ryzen 7 PRO 7840U. L3 cache: 32 MB on the Ryzen 7 3700X vs 16 MB on the Ryzen 7 PRO 7840U.

Feature	Ryzen 7 3700X	Ryzen 7 PRO 7840U
Cores / Threads	8 / 16	8 / 16
Boost Clock	4.4 GHz	5.1 GHz+16%
Base Clock	3.6 GHz+9%	3.3 GHz
L3 Cache	32 MB+100%	16 MB
L2 Cache	512K (per core)+6300%	8 MB
Process	7 nm, 12 nm	4 nm-43%
Architecture	Matisse (Zen 2) (2019−2020)	Phoenix (Zen 4) (2023)
PassMark	22,430	24,531+9%

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Memory & Platform

The Ryzen 7 3700X 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.