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 i5-10400F vs Xeon Gold 6438N 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 i5-10400F vs Xeon Gold 6438N: Pros, Cons & Final Verdict

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

Core i5-10400F

2020

Why buy it

✅Costs $3,191 less on MSRP ($160 MSRP vs $3,351 MSRP).
✅Delivers 416.9% more PassMark for each dollar spent, at 81.4 vs 15.8 PassMark/$ ($160 MSRP vs $3,351 MSRP).
✅Draws 65W instead of 205W, a 140W reduction.
✅Includes a boxed cooler (Yes), unlike Xeon Gold 6438N.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon Gold 6438N across 50 shared CPU benchmark tests.
❌Lower Geekbench multi-core (5,783 vs 20,000).
❌Smaller total L3 cache (12 MB vs 60 MB).
❌Less compelling for workstation-style loads than Xeon Gold 6438N, which brings 32 cores / 64 threads and 80 PCIe lanes.
❌Older platform position on LGA1200 with DDR4, while Xeon Gold 6438N moves to LGA4677 and DDR5.

Xeon Gold 6438N

2023

Why buy it

✅Better for gaming: +26.9% higher average FPS across 50 shared CPU benchmark tests.
✅+400% larger total L3 cache (60 MB vs 12 MB).
✅Better for workstations and heavier parallel workloads: 32 cores / 64 threads, plus 80 PCIe lanes vs 16.
✅Newer platform on LGA4677 with DDR5 support instead of LGA1200 and DDR4.
✅400% more PCIe lanes (80 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower PassMark per dollar, at 15.8 vs 81.4 PassMark/$ ($3,351 MSRP vs $160 MSRP).
❌215.4% higher power demand at 205W vs 65W.
❌No boxed cooler included, unlike Core i5-10400F.

Quick Answers

So, is Xeon Gold 6438N better than Core i5-10400F?

Not really, because they are built for different jobs. Xeon Gold 6438N makes more sense for workstation-style multi-core throughput, while Core i5-10400F 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 Gold 6438N is the better pick. According to our tests, it delivers 26.9% 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 Gold 6438N is the stronger fit. You are getting 245.8% better Geekbench multi-core, backed by 32 cores and 64 threads. It also has the larger cache pool with 400% larger total L3 cache (60 MB vs 12 MB).

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

Xeon Gold 6438N is still the faster CPU overall, but Core i5-10400F is easier to justify if budget matters more than peak performance. Xeon Gold 6438N comes in 1994.4% more expensive on MSRP at $3,351 MSRP versus $160 MSRP, and it still gives you a 26.9% average FPS lead across 50 shared CPU game tests in our data. Core i5-10400F is also 416.9% better value on MSRP (81.4 vs 15.8 PassMark/$), 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 Gold 6438N makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2023 vs 2020), a healthier platform with LGA4677 and DDR5 instead of LGA1200, 400% larger total L3 cache (60 MB vs 12 MB), more multi-core headroom with 32 cores / 64 threads instead of 6/12, and AVX-512 support for heavier modern compute workloads. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-10400F vs Xeon Gold 6438N Technical Specifications

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

Core i5-10400F

The Core i5-10400F is manufactured by Intel. It was released in 30 April 2020 (5 years ago). It is based on the Comet Lake (2020−2025) architecture. It features 6 cores and 12 threads. Base frequency is 2.9 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 65 Watt. Memory support: DDR4. Passmark benchmark score: 13,029 points. Launch price was $155.

Xeon Gold 6438N

The Xeon Gold 6438N is manufactured by Intel. It was released in 10 January 2023 (2 years ago). It is based on the Sapphire Rapids (2023−2024) architecture. It features 32 cores and 64 threads. Base frequency is 2 GHz, with boost up to 3.6 GHz. L3 cache: 60 MB. L2 cache: 2 MB (per core). Built on Intel 7 nm process technology. Socket: LGA4677. Thermal design power (TDP): 205 Watt. Memory support: DDR5-4800, DDR5-4400. Passmark benchmark score: 52,789 points. Launch price was $3,351.

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Processing Power

The Core i5-10400F packs 6 cores / 12 threads, while the Xeon Gold 6438N offers 32 cores / 64 threads — the Xeon Gold 6438N has 26 more cores. Boost clocks reach 4.3 GHz on the Core i5-10400F versus 3.6 GHz on the Xeon Gold 6438N — a 17.7% clock advantage for the Core i5-10400F (base: 2.9 GHz vs 2 GHz). The Core i5-10400F uses the Comet Lake (2020−2025) architecture (14 nm), while the Xeon Gold 6438N uses Sapphire Rapids (2023−2024) (Intel 7 nm). In PassMark, the Core i5-10400F scores 13,029 against the Xeon Gold 6438N's 52,789 — a 120.8% lead for the Xeon Gold 6438N. Geekbench 6 single-core — the metric most relevant to gaming — records 1,454 vs 1,500, a 3.1% lead for the Xeon Gold 6438N that directly translates to higher frame rates. Multi-core Geekbench: 5,783 vs 20,000 (110.3% advantage for the Xeon Gold 6438N). L3 cache: 12 MB (total) on the Core i5-10400F vs 60 MB on the Xeon Gold 6438N.

Feature	Core i5-10400F	Xeon Gold 6438N
Cores / Threads	6 / 12	32 / 64+433%
Boost Clock	4.3 GHz+19%	3.6 GHz
Base Clock	2.9 GHz+45%	2 GHz
L3 Cache	12 MB (total)	60 MB+400%
L2 Cache	256K (per core)+12700%	2 MB (per core)
Process	14 nm	Intel 7 nm-50%
Architecture	Comet Lake (2020−2025)	Sapphire Rapids (2023−2024)
PassMark	13,029	52,789+305%
Cinebench R23 Multi	8,191	—
Geekbench 6 Single	1,454	1,500+3%
Geekbench 6 Multi	5,783	20,000+246%

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Memory & Platform

The Core i5-10400F uses the LGA1200 socket (PCIe 3.0), while the Xeon Gold 6438N uses LGA4677 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-2666 on the Core i5-10400F versus DDR5-4800 on the Xeon Gold 6438N — the Xeon Gold 6438N supports 80% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon Gold 6438N supports up to 4096 GB of RAM compared to 128 GB — 3100% more capacity for professional workloads. Memory channels: 2 (Core i5-10400F) vs 8 (Xeon Gold 6438N). PCIe lanes: 16 (Core i5-10400F) vs 80 (Xeon Gold 6438N) — the Xeon Gold 6438N offers 64 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F) and C741 (Xeon Gold 6438N).

Feature	Core i5-10400F	Xeon Gold 6438N
Socket	LGA1200	LGA4677
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR4-2666	DDR5-4800+80%
Max RAM Capacity	128 GB	4096 GB+3100%
RAM Channels	2	8+300%
ECC Support	No	Yes
PCIe Lanes	16	80+400%

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Advanced Features

Neither processor supports overclocking. Only the Xeon Gold 6438N supports AVX-512 instructions — important for machine learning and scientific applications. Both support VT-x, VT-d virtualization. Primary use case: Core i5-10400F targets Gaming, Xeon Gold 6438N targets Server. Direct competitor: Core i5-10400F rivals Ryzen 5 3600; Xeon Gold 6438N rivals EPYC 9354.

Feature	Core i5-10400F	Xeon Gold 6438N
Integrated GPU	No	No
IGPU Model	—	None
Unlocked	No	No
AVX-512	No	Yes
Virtualization	VT-x, VT-d	VT-x, VT-d
Target Use	Gaming	Server

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Value Analysis

At launch, the Core i5-10400F was priced at $160, while the Xeon Gold 6438N came in at $3351. On launch pricing ($160 vs $3351), Core i5-10400F was $3191 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-10400F delivers 81.4 pts/$ vs 15.8 pts/$ for the Xeon Gold 6438N — making the Core i5-10400F the 135.2% better value option.

Feature	Core i5-10400F	Xeon Gold 6438N
MSRP	$160-95%	$3351
Performance per Dollar	81.4+415%	15.8
Release Date	2020	2023

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