Ryzen 7 7840H vs Xeon E-2478

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 7840H

2023

Why buy it

✅Better for gaming: +31.2% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 80W, a 45W reduction.

Trade-offs

❌Smaller total L3 cache (16 MB vs 24 MB).
❌Less compelling for workstation-style loads than Xeon E-2478, which brings 8 cores / 16 threads and 20 PCIe lanes.

Xeon E-2478

2023

Why buy it

✅+50% larger total L3 cache (24 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads, plus 20 PCIe lanes vs 0.
✅100+% more PCIe lanes (20 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 (27,776 vs 27,832).
❌Launch MSRP is still $568 MSRP, while Ryzen 7 7840H mostly shows up through inconsistent older-market listings.
❌128.6% higher power demand at 80W vs 35W.

Ryzen 7 7840H

2023

Xeon E-2478

2023

Why buy it

✅Better for gaming: +31.2% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 35W instead of 80W, a 45W reduction.

Why buy it

✅+50% larger total L3 cache (24 MB vs 16 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads, plus 20 PCIe lanes vs 0.
✅100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Smaller total L3 cache (16 MB vs 24 MB).
❌Less compelling for workstation-style loads than Xeon E-2478, which brings 8 cores / 16 threads and 20 PCIe lanes.

Trade-offs

❌Worse for gaming: lower average FPS than Ryzen 7 7840H across 50 shared CPU benchmark tests.
❌Lower PassMark (27,776 vs 27,832).
❌Launch MSRP is still $568 MSRP, while Ryzen 7 7840H mostly shows up through inconsistent older-market listings.
❌128.6% higher power demand at 80W vs 35W.

Quick Answers

So, is Ryzen 7 7840H better than Xeon E-2478?

Not in a simple one-size-fits-all way. Xeon E-2478 makes more sense for workstation-style multi-core throughput, while Ryzen 7 7840H is the better mainstream desktop choice for gaming, platform cost, and day-to-day practicality.

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 31.2% 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 0.2% 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 Xeon E-2478 makes more sense if price matters more than absolute performance. Ryzen 7 7840H is at an unclear MSRP at unclear MSRP versus $568 MSRP, and it gives you a 31.2% average FPS lead across 50 shared CPU game tests in our data. Xeon E-2478 is also 100.0% better value on MSRP (48.9 vs 0.0 PassMark/$), 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 more multi-core headroom with 8 cores / 16 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 7840H Benchmark Check

Xeon E-2478 Benchmark Check

Path of Exile 2

Preset	Ryzen 7 7840H	Xeon E-2478
1080p
low	268 FPS	257 FPS
medium	241 FPS	246 FPS
high	206 FPS	205 FPS
ultra	176 FPS	176 FPS
1440p
low	234 FPS	222 FPS
medium	191 FPS	190 FPS
high	158 FPS	152 FPS
ultra	138 FPS	133 FPS
4K
low	160 FPS	153 FPS
medium	132 FPS	130 FPS
high	102 FPS	99 FPS
ultra	89 FPS	88 FPS

Open Ryzen 7 7840H Open Xeon E-2478

Path of Exile 2

Path of Exile 2

Counter-Strike 2

Preset	Ryzen 7 7840H	Xeon E-2478
1080p
low	499 FPS	616 FPS
medium	415 FPS	522 FPS
high	358 FPS	443 FPS
ultra	318 FPS	404 FPS
1440p
low	437 FPS	533 FPS
medium	383 FPS	467 FPS
high	331 FPS	398 FPS
ultra	280 FPS	342 FPS
4K
low	290 FPS	313 FPS
medium	265 FPS	280 FPS
high	250 FPS	267 FPS
ultra	215 FPS	232 FPS

Open Ryzen 7 7840H Open Xeon E-2478

Counter-Strike 2

Counter-Strike 2

League of Legends

Preset	Ryzen 7 7840H	Xeon E-2478
1080p
low	696 FPS	646 FPS
medium	696 FPS	529 FPS
high	696 FPS	466 FPS
ultra	650 FPS	404 FPS
1440p
low	696 FPS	588 FPS
medium	637 FPS	489 FPS
high	548 FPS	425 FPS
ultra	464 FPS	369 FPS
4K
low	534 FPS	424 FPS
medium	460 FPS	369 FPS
high	409 FPS	335 FPS
ultra	344 FPS	285 FPS

Open Ryzen 7 7840H Open Xeon E-2478

League of Legends

League of Legends

Valorant

Preset	Ryzen 7 7840H	Xeon E-2478
1080p
low	696 FPS	694 FPS
medium	696 FPS	694 FPS
high	696 FPS	694 FPS
ultra	696 FPS	652 FPS
1440p
low	696 FPS	694 FPS
medium	696 FPS	694 FPS
high	696 FPS	608 FPS
ultra	631 FPS	535 FPS
4K
low	619 FPS	536 FPS
medium	553 FPS	490 FPS
high	496 FPS	438 FPS
ultra	434 FPS	382 FPS

Open Ryzen 7 7840H Open Xeon E-2478

Valorant

Valorant

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Ryzen 7 7840H and Xeon E-2478

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.

Xeon E-2478

The Xeon E-2478 is manufactured by Intel. It was released in 14 December 2023 (1 year ago). It is based on the Raptor Lake-S (2023−2024) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 5.2 GHz. L3 cache: 24 MB (total). L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 80 Watt. Memory support: DDR5-4800. Passmark benchmark score: 27,776 points. Launch price was $568.

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Processing Power

Both the Ryzen 7 7840H and Xeon E-2478 share an identical 8-core/16-thread configuration. Boost clocks reach 5.1 GHz on the Ryzen 7 7840H versus 5.2 GHz on the Xeon E-2478 — a 1.9% clock advantage for the Xeon E-2478 (base: 3.8 GHz vs 2.8 GHz). The Ryzen 7 7840H uses the Phoenix (2023−2024) architecture (4 nm), while the Xeon E-2478 uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Ryzen 7 7840H scores 27,832 against the Xeon E-2478's 27,776 — a 0.2% lead for the Ryzen 7 7840H. L3 cache: 16 MB (total) on the Ryzen 7 7840H vs 24 MB (total) on the Xeon E-2478.

Feature	Ryzen 7 7840H	Xeon E-2478
Cores / Threads	8 / 16	8 / 16
Boost Clock	5.1 GHz	5.2 GHz+2%
Base Clock	3.8 GHz+36%	2.8 GHz
L3 Cache	16 MB (total)	24 MB (total)+50%
L2 Cache	1 MB (per core)	2 MB (per core)+100%
Process	4 nm-43%	Intel 7 nm
Architecture	Phoenix (2023−2024)	Raptor Lake-S (2023−2024)
PassMark	27,832	27,776

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Memory & Platform

The Ryzen 7 7840H uses the FP8 socket (PCIe 4.0), while the Xeon E-2478 uses LGA1700 (PCIe 5.0) — making them incompatible on the same motherboard.