Core i9-10940X vs Ryzen 7 7840H

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.

Core i9-10940X

2019

Why buy it

✅+20.3% larger total L3 cache (19 MB vs 16 MB).
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7840H across 50 shared CPU benchmark tests.
❌Lower PassMark (27,684 vs 27,832).
❌Launch MSRP is still $784 MSRP, while Ryzen 7 7840H mostly shows up through inconsistent older-market listings.
❌371.4% higher power demand at 165W vs 35W.
❌Older platform position on LGA2066 with DDR4, while Ryzen 7 7840H moves to FP8 and DDR5.

Ryzen 7 7840H

2023

Why buy it

✅Better for gaming: +15.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 165W, a 130W reduction.
✅Newer platform on FP8 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌Smaller total L3 cache (16 MB vs 19 MB).

Core i9-10940X

2019

Ryzen 7 7840H

2023

Why buy it

✅+20.3% larger total L3 cache (19 MB vs 16 MB).
✅100+% more PCIe lanes (48 vs 0) for storage and expansion-heavy builds.

Why buy it

✅Better for gaming: +15.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 165W, a 130W reduction.
✅Newer platform on FP8 with DDR5 support instead of LGA2066 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7840H across 50 shared CPU benchmark tests.
❌Lower PassMark (27,684 vs 27,832).
❌Launch MSRP is still $784 MSRP, while Ryzen 7 7840H mostly shows up through inconsistent older-market listings.
❌371.4% higher power demand at 165W vs 35W.
❌Older platform position on LGA2066 with DDR4, while Ryzen 7 7840H moves to FP8 and DDR5.

Trade-offs

❌Smaller total L3 cache (16 MB vs 19 MB).

Quick Answers

So, is Ryzen 7 7840H better than Core i9-10940X?

Yes. Ryzen 7 7840H is the better overall CPU here. You are getting a 15.5% average FPS lead across 50 shared CPU game tests in our data, 0.5% 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 7840H is the better pick here. According to our tests, it delivers 15.5% 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 7 7840H is the better fit. You are getting 0.5% better PassMark, backed by 8 cores and 16 threads.

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

Ryzen 7 7840H is still the faster CPU overall, but Core i9-10940X makes more sense if price matters more than absolute performance. Ryzen 7 7840H is at an unclear MSRP at unclear MSRP versus $784 MSRP, and it gives you a 15.5% average FPS lead across 50 shared CPU game tests in our data. Core i9-10940X is also 100.0% better value on MSRP (35.3 vs 0.0 PassMark/$), 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 7840H is the more future-proof choice for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2019), a healthier platform with FP8 and DDR5 instead of LGA2066, and more multi-core headroom with 8 cores / 16 threads instead of 14/28. 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.

Core i9-10940X Benchmark Check

Ryzen 7 7840H Benchmark Check

Path of Exile 2

Preset	Core i9-10940X	Ryzen 7 7840H
1080p
low	279 FPS	268 FPS
medium	249 FPS	241 FPS
high	206 FPS	206 FPS
ultra	174 FPS	176 FPS
1440p
low	233 FPS	234 FPS
medium	189 FPS	191 FPS
high	154 FPS	158 FPS
ultra	134 FPS	138 FPS
4K
low	164 FPS	160 FPS
medium	134 FPS	132 FPS
high	105 FPS	102 FPS
ultra	90 FPS	89 FPS

Open Core i9-10940X Open Ryzen 7 7840H

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Core i9-10940X	Ryzen 7 7840H
1080p
low	550 FPS	499 FPS
medium	457 FPS	415 FPS
high	379 FPS	358 FPS
ultra	342 FPS	318 FPS
1440p
low	456 FPS	437 FPS
medium	394 FPS	383 FPS
high	332 FPS	331 FPS
ultra	287 FPS	280 FPS
4K
low	283 FPS	290 FPS
medium	246 FPS	265 FPS
high	226 FPS	250 FPS
ultra	197 FPS	215 FPS

Open Core i9-10940X Open Ryzen 7 7840H

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Core i9-10940X	Ryzen 7 7840H
1080p
low	692 FPS	696 FPS
medium	692 FPS	696 FPS
high	692 FPS	696 FPS
ultra	692 FPS	650 FPS
1440p
low	692 FPS	696 FPS
medium	692 FPS	637 FPS
high	692 FPS	548 FPS
ultra	656 FPS	464 FPS
4K
low	595 FPS	534 FPS
medium	500 FPS	460 FPS
high	444 FPS	409 FPS
ultra	373 FPS	344 FPS

Open Core i9-10940X Open Ryzen 7 7840H

League of Legends

League of Legends

Valorant

Preset	Core i9-10940X	Ryzen 7 7840H
1080p
low	692 FPS	696 FPS
medium	692 FPS	696 FPS
high	692 FPS	696 FPS
ultra	692 FPS	696 FPS
1440p
low	692 FPS	696 FPS
medium	692 FPS	696 FPS
high	639 FPS	696 FPS
ultra	560 FPS	631 FPS
4K
low	580 FPS	619 FPS
medium	516 FPS	553 FPS
high	464 FPS	496 FPS
ultra	408 FPS	434 FPS

Open Core i9-10940X Open Ryzen 7 7840H

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Core i9-10940X and Ryzen 7 7840H

Core i9-10940X

The Core i9-10940X is manufactured by Intel. It was released in 19 October 2019 (6 years ago). It is based on the Cascade Lake-X (2019) architecture. It features 14 cores and 28 threads. Base frequency is 3.3 GHz, with boost up to 4.8 GHz. L3 cache: 19.25 MB (total). L2 cache: 1 MB (per core). Built on 14 nm process technology. Socket: LGA2066. Thermal design power (TDP): 165 Watt. Memory support: DDR4-2933. Passmark benchmark score: 27,684 points. Launch price was $299.

Ryzen 7 7840H

The Ryzen 7 7840H is manufactured by AMD. It was released in Janeiro 2023 (2 years ago). It is based on the Phoenix (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 3.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 1 MB (per core). Built on 4 nm process technology. Socket: FP8. Thermal design power (TDP): 35 Watt. Memory support: DDR5-5600. Passmark benchmark score: 27,832 points. Launch price was $299.

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Processing Power

The Core i9-10940X packs 14 cores / 28 threads, while the Ryzen 7 7840H offers 8 cores / 16 threads — the Core i9-10940X has 6 more cores. Boost clocks reach 4.8 GHz on the Core i9-10940X versus 5.1 GHz on the Ryzen 7 7840H — a 6.1% clock advantage for the Ryzen 7 7840H (base: 3.3 GHz vs 3.8 GHz). The Core i9-10940X uses the Cascade Lake-X (2019) architecture (14 nm), while the Ryzen 7 7840H uses Phoenix (2023−2024) (4 nm). In PassMark, the Core i9-10940X scores 27,684 against the Ryzen 7 7840H's 27,832 — a 0.5% lead for the Ryzen 7 7840H. L3 cache: 19.25 MB (total) on the Core i9-10940X vs 16 MB (total) on the Ryzen 7 7840H.

Feature	Core i9-10940X	Ryzen 7 7840H
Cores / Threads	14 / 28+75%	8 / 16
Boost Clock	4.8 GHz	5.1 GHz+6%
Base Clock	3.3 GHz	3.8 GHz+15%
L3 Cache	19.25 MB (total)+20%	16 MB (total)
L2 Cache	1 MB (per core)	1 MB (per core)
Process	14 nm	4 nm-71%
Architecture	Cascade Lake-X (2019)	Phoenix (2023−2024)
PassMark	27,684	27,832
Cinebench R23 Multi	19,000	—
Geekbench 6 Single	1,450	—
Geekbench 6 Multi	11,000	—

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Memory & Platform

The Core i9-10940X uses the LGA2066 socket (PCIe 3.0), while the Ryzen 7 7840H uses FP8 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Core i9-10940X	Ryzen 7 7840H
Socket	LGA2066	FP8
PCIe Generation	PCIe 3.0	PCIe 4.0+33%
Max RAM Speed	DDR4-2933	—
Max RAM Capacity	256 GB	—
RAM Channels	4	—
ECC Support	No	—
PCIe Lanes	48	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i9-10940X) / not specified (Ryzen 7 7840H). Primary use case: Core i9-10940X targets High-End Desktop.