Ryzen 7 7840H vs Xeon E-2478

Ryzen 7 7840H vs Xeon E-2478 Performance Spectrum

Ryzen 7 7840H

8 / 16

27,832

+0.2%

Ryzen Threadripper 3990X

Ryzen Threadripper PRO 9965WX

Xeon E-2478

8 / 16

27,776

0.0%

About PassMark

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 7840H vs Xeon E-2478 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 7840H vs Xeon E-2478: 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 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.

Quick Answers

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

Not really, because they are built for different jobs. Xeon E-2478 makes more sense for workstation-style multi-core throughput, while Ryzen 7 7840H is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Ryzen 7 7840H is the better pick. 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 stronger 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 is easier to justify if budget matters more than peak performance. Ryzen 7 7840H comes in at an unclear MSRP at unclear MSRP versus $568 MSRP, and it still gives you a 31.2% average FPS lead across 50 shared CPU game tests in our data. Xeon E-2478 is also 100.0% better value on MSRP (48.9 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Ryzen 7 7840H makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 8 cores / 16 threads instead of 8/16. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Ryzen 7 7840H vs Xeon E-2478 Technical Specifications

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

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.