Core i5-12400F 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.

Core i5-12400F 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.

Core i5-12400F 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.

Core i5-12400F

2022

Why buy it

✅Costs $394 less on MSRP ($174 MSRP vs $568 MSRP).
✅Delivers 129.5% more PassMark for each dollar spent, at 112.3 vs 48.9 PassMark/$ ($174 MSRP vs $568 MSRP).
✅Draws 65W instead of 80W, a 15W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon E-2478.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E-2478 across 50 shared CPU benchmark tests.
❌Lower PassMark (19,532 vs 27,776).
❌Smaller total L3 cache (18 MB vs 24 MB).
❌Less compelling for workstation-style loads than Xeon E-2478, which brings 8 cores / 16 threads.

Xeon E-2478

2023

Why buy it

✅Better for gaming: +3.0% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (24 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 8 cores / 16 threads.

Trade-offs

❌Lower PassMark per dollar, at 48.9 vs 112.3 PassMark/$ ($568 MSRP vs $174 MSRP).
❌23.1% higher power demand at 80W vs 65W.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Xeon E-2478 better than Core i5-12400F?

Not really, because they are built for different jobs. Xeon E-2478 makes more sense for workstation-style multi-core throughput, while Core i5-12400F is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Xeon E-2478 is the better pick. According to our tests, it delivers 3.0% 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, Xeon E-2478 is the stronger fit. You are getting 42.2% better PassMark, backed by 8 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (24 MB vs 18 MB).

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

Xeon E-2478 is still the faster CPU overall, but Core i5-12400F is easier to justify if budget matters more than peak performance. Xeon E-2478 comes in 226.4% more expensive on MSRP at $568 MSRP versus $174 MSRP, and it still gives you a 3.0% average FPS lead across 50 shared CPU game tests in our data. Core i5-12400F is also 129.5% better value on MSRP (112.3 vs 48.9 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon E-2478 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2022), 33.3% larger total L3 cache (24 MB vs 18 MB), and more multi-core headroom with 8 cores / 16 threads instead of 6/12. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core i5-12400F vs Xeon E-2478 Technical Specifications

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

Core i5-12400F

The Core i5-12400F is manufactured by Intel. It was released in 4 January 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 6 cores and 12 threads. Base frequency is 2.5 GHz, with boost up to 4.4 GHz. L3 cache: 18 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 65 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 19,532 points. Launch price was $180.

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

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon E-2478 offers 8 cores / 16 threads — the Xeon E-2478 has 2 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 5.2 GHz on the Xeon E-2478 — a 16.7% clock advantage for the Xeon E-2478 (base: 2.5 GHz vs 2.8 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon E-2478 uses Raptor Lake-S (2023−2024) (Intel 7 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon E-2478's 27,776 — a 34.9% lead for the Xeon E-2478. L3 cache: 18 MB (total) on the Core i5-12400F vs 24 MB (total) on the Xeon E-2478.

Feature	Core i5-12400F	Xeon E-2478
Cores / Threads	6 / 12	8 / 16+33%
Boost Clock	4.4 GHz	5.2 GHz+18%
Base Clock	2.5 GHz	2.8 GHz+12%
L3 Cache	18 MB (total)	24 MB (total)+33%
L2 Cache	1.25 MB (per core)	2 MB (per core)+60%
Process	Intel 7 nm	Intel 7 nm
Architecture	Alder Lake-S (2022)	Raptor Lake-S (2023−2024)
PassMark	19,532	27,776+42%
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

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Memory & Platform

Both processors use the LGA1700 socket with PCIe 3.0. Both support up to DDR5-4800, DDR4-3200 memory speed. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 20 PCIe lanes.

Feature	Core i5-12400F	Xeon E-2478
Socket	LGA1700	LGA1700
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200	DDR5-4800
Max RAM Capacity	128 GB	128 GB
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	20	20

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs VT-x, VT-d (Xeon E-2478). Primary use case: Core i5-12400F targets Gaming Performance/Value, Xeon E-2478 targets Server. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Xeon E-2478
Integrated GPU	No	No
Unlocked	—	No
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d
Target Use	Gaming Performance/Value	Server

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Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Xeon E-2478 came in at $568. On launch pricing ($174 vs $568), Core i5-12400F was $394 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 48.9 pts/$ for the Xeon E-2478 — making the Core i5-12400F the 78.6% better value option.

Feature	Core i5-12400F	Xeon E-2478
MSRP	$174-69%	$568
Performance per Dollar	112.3+130%	48.9
Release Date	2022	2023

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