Core i5-14400T vs Xeon E-2378G

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 i5-14400T vs Xeon E-2378G 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 i5-14400T vs Xeon E-2378G: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Core i5-14400T

2024

Why buy it

✅+25% larger total L3 cache (20 MB vs 16 MB).
✅Draws 35W instead of 80W, a 45W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E-2378G across 50 shared CPU benchmark tests.
❌Lower PassMark (20,911 vs 21,153).

Xeon E-2378G

2021

Why buy it

✅Better for gaming: +23.5% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (16 MB vs 20 MB).
❌128.6% higher power demand at 80W vs 35W.
❌Older platform position on LGA1200 with DDR4, while Core i5-14400T moves to LGA1700 and DDR5.

Quick Answers

So, is Xeon E-2378G better than Core i5-14400T?

Not really, because they are built for different jobs. Xeon E-2378G makes more sense for workstation-style multi-core throughput, while Core i5-14400T 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-2378G is the better pick. According to our tests, it delivers 23.5% 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, Xeon E-2378G is the stronger fit. You are getting 1.2% better PassMark, backed by 8 cores and 16 threads.

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

Xeon E-2378G still makes the most sense overall. Xeon E-2378G comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 23.5% average FPS lead across 50 shared CPU game tests in our data.

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

Core i5-14400T makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with LGA1700 and DDR5 instead of LGA1200, and 25% larger total L3 cache (20 MB vs 16 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-14400T vs Xeon E-2378G Technical Specifications

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

Core i5-14400T

The Core i5-14400T is manufactured by Intel. It was released in 8 January 2024 (1 year ago). It is based on the Raptor Lake-R (2023−2025) architecture. It features 10 cores and 16 threads. Base frequency is 1.5 GHz, with boost up to 4.5 GHz. L3 cache: 20 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 35 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 20,911 points. Launch price was $221.

Xeon E-2378G

The Xeon E-2378G is manufactured by Intel. It was released in 2015-01-01. It is based on the Rocket Lake-E (2021) architecture. It features 8 cores and 16 threads. Base frequency is 2.8 GHz, with boost up to 5.1 GHz. L3 cache: 16 MB (total). L2 cache: 512K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 80 Watt. Memory support: DDR4-3200. Passmark benchmark score: 21,153 points. Launch price was $800.

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Processing Power

The Core i5-14400T packs 10 cores / 16 threads, while the Xeon E-2378G offers 8 cores / 16 threads — the Core i5-14400T has 2 more cores. Boost clocks reach 4.5 GHz on the Core i5-14400T versus 5.1 GHz on the Xeon E-2378G — a 12.5% clock advantage for the Xeon E-2378G (base: 1.5 GHz vs 2.8 GHz). The Core i5-14400T uses the Raptor Lake-R (2023−2025) architecture (Intel 7 nm), while the Xeon E-2378G uses Rocket Lake-E (2021) (14 nm). In PassMark, the Core i5-14400T scores 20,911 against the Xeon E-2378G's 21,153 — a 1.2% lead for the Xeon E-2378G. L3 cache: 20 MB (total) on the Core i5-14400T vs 16 MB (total) on the Xeon E-2378G.

Feature	Core i5-14400T	Xeon E-2378G
Cores / Threads	10 / 16+25%	8 / 16
Boost Clock	4.5 GHz	5.1 GHz+13%
Base Clock	1.5 GHz	2.8 GHz+87%
L3 Cache	20 MB (total)+25%	16 MB (total)
L2 Cache	1.25 MB (per core)	512K (per core)+40860%
Process	Intel 7 nm-50%	14 nm
Architecture	Raptor Lake-R (2023−2025)	Rocket Lake-E (2021)
PassMark	20,911	21,153+1%

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Memory & Platform

The Core i5-14400T uses the LGA1700 socket (PCIe 5.0), while the Xeon E-2378G uses LGA1200 (PCIe 4.0) — making them incompatible on the same motherboard.