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 E5-4640 v3 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 E5-4640 v3: 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: +24.8% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2,685 less on MSRP ($174 MSRP vs $2,859 MSRP).
✅Delivers 2994.2% more PassMark for each dollar spent, at 112.3 vs 3.6 PassMark/$ ($174 MSRP vs $2,859 MSRP).
✅Draws 65W instead of 105W, a 40W reduction.
✅Newer platform on LGA1700 with DDR5 support instead of LGA2011 and DDR4.

Trade-offs

❌Lower Geekbench multi-core (657 vs 7,000).
❌Smaller total L3 cache (18 MB vs 30 MB).
❌Less compelling for workstation-style loads than Xeon E5-4640 v3, which brings 12 cores / 24 threads and 40 PCIe lanes.

Xeon E5-4640 v3

2015

Why buy it

✅+965.4% higher Geekbench multi-core.
✅+66.7% larger total L3 cache (30 MB vs 18 MB).
✅Better for workstations and heavier parallel workloads: 12 cores / 24 threads, plus 40 PCIe lanes vs 20.
✅100% more PCIe lanes (40 vs 20) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 3.6 vs 112.3 PassMark/$ ($2,859 MSRP vs $174 MSRP).
❌61.5% higher power demand at 105W vs 65W.
❌Older platform position on LGA2011 with DDR4, while Core i5-12400F moves to LGA1700 and DDR5.
❌No boxed cooler included, unlike Core i5-12400F.

Quick Answers

So, is Core i5-12400F better than Xeon E5-4640 v3?

Not really, because they are built for different jobs. Xeon E5-4640 v3 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 streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Xeon E5-4640 v3 is the stronger fit. You are getting 965.4% better Geekbench multi-core, backed by 12 cores and 24 threads. It also has the larger cache pool with 66.7% larger total L3 cache (30 MB vs 18 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 $2,685 cheaper on MSRP at $174 MSRP versus $2,859 MSRP, and it still gives you a 24.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Xeon E5-4640 v3 is still stronger for heavier multi-core work with 965.4% better Geekbench multi-core. It is also 2994.2% better value on MSRP (112.3 vs 3.6 PassMark/$), 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 2015) and a healthier platform with LGA1700 and DDR5 instead of LGA2011. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Xeon E5-4640 v3 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 E5-4640 v3

The Xeon E5-4640 v3 is manufactured by Intel. It was released in 2015-01-01. It is based on the Haswell-EP (2014−2015) architecture. It features 12 cores and 24 threads. Base frequency is 1.9 GHz, with boost up to 2.6 GHz. L3 cache: 30 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: LGA2011. Thermal design power (TDP): 105 Watt. Memory support: DDR4. Passmark benchmark score: 10,372 points. Launch price was $800.

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Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Xeon E5-4640 v3 offers 12 cores / 24 threads — the Xeon E5-4640 v3 has 6 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 2.6 GHz on the Xeon E5-4640 v3 — a 51.4% clock advantage for the Core i5-12400F (base: 2.5 GHz vs 1.9 GHz). The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Xeon E5-4640 v3 uses Haswell-EP (2014−2015) (22 nm). In PassMark, the Core i5-12400F scores 19,532 against the Xeon E5-4640 v3's 10,372 — a 61.3% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 1,700 vs 750, a 77.6% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 657 vs 7,000 (165.7% advantage for the Xeon E5-4640 v3). L3 cache: 18 MB (total) on the Core i5-12400F vs 30 MB (total) on the Xeon E5-4640 v3.

Feature	Core i5-12400F	Xeon E5-4640 v3
Cores / Threads	6 / 12	12 / 24+100%
Boost Clock	4.4 GHz+69%	2.6 GHz
Base Clock	2.5 GHz+32%	1.9 GHz
L3 Cache	18 MB (total)	30 MB (total)+67%
L2 Cache	1.25 MB (per core)	256K (per core)+20380%
Process	Intel 7 nm-68%	22 nm
Architecture	Alder Lake-S (2022)	Haswell-EP (2014−2015)
PassMark	19,532+88%	10,372
Cinebench R23 Multi	12,380	—
Geekbench 6 Single	1,700+127%	750
Geekbench 6 Multi	657	7,000+965%

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Memory & Platform

The Core i5-12400F uses the LGA1700 socket (PCIe 3.0), while the Xeon E5-4640 v3 uses LGA2011 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR4-1866 on the Xeon E5-4640 v3 — the Core i5-12400F supports 157.2% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Xeon E5-4640 v3 supports up to 768 GB of RAM compared to 128 GB — 500% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 4 (Xeon E5-4640 v3). PCIe lanes: 20 (Core i5-12400F) vs 40 (Xeon E5-4640 v3) — the Xeon E5-4640 v3 offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and C612 (Xeon E5-4640 v3).

Feature	Core i5-12400F	Xeon E5-4640 v3
Socket	LGA1700	LGA2011
PCIe Generation	PCIe 3.0	PCIe 5.0+67%
Max RAM Speed	DDR5-4800, DDR4-3200+157%	DDR4-1866
Max RAM Capacity	128 GB	768 GB+500%
RAM Channels	2	4+100%
ECC Support	No	Yes
PCIe Lanes	20	40+100%

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Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs Yes (Xeon E5-4640 v3). Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

Feature	Core i5-12400F	Xeon E5-4640 v3
Integrated GPU	No	No
AVX-512	—	No
Virtualization	VT-x, VT-d, EPT	Yes
Target Use	Gaming Performance/Value	—

💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Xeon E5-4640 v3 came in at $2859. On launch pricing ($174 vs $2859), Core i5-12400F was $2685 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 3.6 pts/$ for the Xeon E5-4640 v3 — making the Core i5-12400F the 187.5% better value option.

Feature	Core i5-12400F	Xeon E5-4640 v3
MSRP	$174-94%	$2859
Performance per Dollar	112.3+3019%	3.6
Release Date	2022	2015

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