Core i5-12400F vs Xeon X5670

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 X5670 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 X5670: 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

✅Better for gaming: +79.8% higher average FPS across 50 shared CPU benchmark tests.
✅+50% larger total L3 cache (18 MB vs 12 MB).
✅Delivers 22.1% more PassMark for each dollar spent, at 112.3 vs 91.9 PassMark/$ ($174 MSRP vs $67 MSRP).
✅Draws 65W instead of 95W, a 30W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA1366 and older memory support.

Trade-offs

❌
159.7% HIGHER MSRP
$174 MSRPvs$67 MSRP

Xeon X5670

2010

Why buy it

✅Costs $107 less on MSRP ($67 MSRP vs $174 MSRP).

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark (6,160 vs 19,532).
❌Smaller total L3 cache (12 MB vs 18 MB).
❌Lower PassMark per dollar, at 91.9 vs 112.3 PassMark/$ ($67 MSRP vs $174 MSRP).
❌46.2% higher power demand at 95W vs 65W.

Quick Answers

So, is Core i5-12400F better than Xeon X5670?

Not really, because they are built for different jobs. Xeon X5670 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, Core i5-12400F is the better pick. According to our tests, it delivers 79.8% 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, Core i5-12400F is the stronger fit. You are getting 217.1% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 50% larger total L3 cache (18 MB vs 12 MB).

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

Core i5-12400F is the better buy right now. Core i5-12400F comes in 159.7% more expensive on MSRP at $174 MSRP versus $67 MSRP, and it still gives you a 79.8% average FPS lead across 50 shared CPU game tests in our data. It is also 22.1% better value on MSRP (112.3 vs 91.9 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Core i5-12400F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2010), a healthier platform with LGA1700 and DDR5 instead of LGA1366, 50% larger total L3 cache (18 MB vs 12 MB), and more multi-core headroom with 6 cores / 12 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Xeon X5670 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 X5670

The Xeon X5670 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.93 GHz, with boost up to 3.33 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 6,160 points. Launch price was $67.

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Processing Power

Both the Core i5-12400F and Xeon X5670 share an identical 6-core/12-thread configuration. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 3.33 GHz on the Xeon X5670 — a 27.7% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 2.93 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon X5670 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon X5670's 6,160 — a 104.1% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 12 MB (total) on the Xeon X5670.

Feature	Core i5-12400F	Xeon X5670
Cores / Threads	6 / 12	6 / 12
Boost Clock	4.4 GHz+32%	3.33 GHz
Base Clock	2.5 GHz	2.93 GHz+17%
L3 Cache	18 MB (total)+50%	12 MB (total)
L2 Cache	1.25 MB (per core)+400%	256 kB (per core)
Process	Intel 7 nm-78%	32 nm
Architecture	Alder Lake-S (2022)	Westmere-EP (2010−2011)
PassMark	19,532+217%	6,160
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700	—
Geekbench 6 Multi	657	—

🧠

Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Xeon X5670 uses LGA1366 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR3-1333 on the Xeon X5670 — the Core i5-12400F supports 260.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 2 (Core i5-12400F) vs 3 (Xeon X5670). Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and Intel X58,Intel 5520 (Xeon X5670).

Feature	Core i5-12400F	Xeon X5670
Socket	LGA1700	LGA1366
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR5-4800, DDR4-3200+260%	DDR3-1333
Max RAM Capacity	128 GB	—
RAM Channels	2	3+50%
ECC Support	No	Yes
PCIe Lanes	20	—

🔧

Advanced Features

Both support VT-x, VT-d, EPT virtualization. Primary use case: Core i5-12400F targets Gaming Performance/Value, Xeon X5670 targets Workstation. Direct competitor: Core i5-12400F rivals Ryzen 5 5600; Xeon X5670 rivals Core i7-980X.

Feature	Core i5-12400F	Xeon X5670
Integrated GPU	No	No
Unlocked	—	No
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	VT-x, VT-d, EPT
Target Use	Gaming Performance/Value	Workstation

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Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Xeon X5670 came in at $67. On launch pricing ($174 vs $67), Xeon X5670 was $107 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 91.9 pts/$ for the Xeon X5670 — making the Core i5-12400F the 19.9% better value option.

Feature	Core i5-12400F	Xeon X5670
MSRP	$174	$67-61%
Performance per Dollar	112.3+22%	91.9
Release Date	2022	2010

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