Core i3-12100F vs Core i5-10400F

Intel

Core i3-12100F

4 Cores8 Thrd58 WWMax: 4.3 GHz2022
Core family
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VS
Intel

Core i5-10400F

6 Cores12 Thrd65 WWMax: 4.3 GHz2020
Core family
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Core i3-12100F vs Core i5-10400F Performance Spectrum

About PassMark

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 i3-12100F vs Core i5-10400F 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 i3-12100F vs Core i5-10400F: Pros, Cons & Final Verdict

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

Core i3-12100F

2022

Why buy it

  • +7.3% higher PassMark.
  • Costs $63 less on MSRP ($97 MSRP vs $160 MSRP).
  • Delivers 77.0% more PassMark for each dollar spent, at 144.1 vs 81.4 PassMark/$ ($97 MSRP vs $160 MSRP).
  • Draws 58W instead of 65W, a 7W reduction.
  • Newer platform on LGA1700 with DDR5 support instead of LGA1200 and DDR4.

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-10400F across 50 shared CPU benchmark tests.
  • No boxed cooler included, unlike Core i5-10400F.

Core i5-10400F

2020

Why buy it

  • Better for gaming: +3.7% higher average FPS across 50 shared CPU benchmark tests.
  • Includes a boxed cooler (Yes), unlike Core i3-12100F.

Trade-offs

  • Lower PassMark (13,029 vs 13,979).
  • Lower PassMark per dollar, at 81.4 vs 144.1 PassMark/$ ($160 MSRP vs $97 MSRP).
  • Older platform position on LGA1200 with DDR4, while Core i3-12100F moves to LGA1700 and DDR5.

Quick Answers

So, is Core i3-12100F better than Core i5-10400F?
It depends on what you want from the system. For gaming, Core i5-10400F is ahead with a 3.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core i3-12100F pulls ahead with 7.3% better PassMark.
Which one is better for streaming, content creation, and heavy multitasking?
For streaming, content creation, and heavier multitasking, Core i3-12100F is the stronger fit. You are getting 7.3% better PassMark, backed by 4 cores and 8 threads.
Which one is the smarter buy today, not just the cheaper CPU?
Core i3-12100F is the better buy right now. Core i3-12100F comes in $63 cheaper on MSRP at $97 MSRP versus $160 MSRP, and it still gives you 7.3% better PassMark. The compromise is that Core i5-10400F is still the better pure gaming CPU with a 3.7% average FPS lead across 50 shared CPU game tests in our data. It is also 77.0% better value on MSRP (144.1 vs 81.4 PassMark/$), so you are getting the faster CPU without taking a value hit on paper. That said, if you already own a compatible LGA1200 + DDR4 setup, Core i5-10400F can still make sense as a platform-matched option because it avoids a motherboard and RAM swap, but on MSRP alone you would want to find it meaningfully cheaper in real-world listings before that path becomes easy to justify.
Which one is more future-proof for 2026 and beyond?
Core i3-12100F makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2022 vs 2020), a healthier platform with LGA1700 and DDR5 instead of LGA1200, and more multi-core headroom with 4 cores / 8 threads instead of 6/12. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i3-12100F vs Core i5-10400F Technical Specifications

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

Intel

Core i3-12100F

The Core i3-12100F is manufactured by Intel. It was released in Janeiro 2022 (3 years ago). It is based on the Alder Lake-S (2022) architecture. It features 4 cores and 8 threads. Base frequency is 3.3 GHz, with boost up to 4.3 GHz. L3 cache: 12 MB (total). L2 cache: 1.25 MB (per core). Built on Intel 7 nm process technology. Socket: LGA1700. Thermal design power (TDP): 58 Watt. Memory support: DDR5-4800, DDR4-3200. Passmark benchmark score: 13,979 points. Launch price was $97.

Intel

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.

Processing Power

The Core i3-12100F packs 4 cores / 8 threads, while the Core i5-10400F offers 6 cores / 12 threads — the Core i5-10400F has 2 more cores. Boost clocks reach 4.3 GHz on the Core i3-12100F versus 4.3 GHz on the Core i5-10400F — identical boost frequencies (base: 3.3 GHz vs 2.9 GHz). The Core i3-12100F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Core i5-10400F uses Comet Lake (2020−2025) (14 nm). In PassMark, the Core i3-12100F scores 13,979 against the Core i5-10400F's 13,029 — a 7% lead for the Core i3-12100F. Both processors carry 12 MB (total) of L3 cache.

FeatureCore i3-12100FCore i5-10400F
Cores / Threads
4 / 8
6 / 12+50%
Boost Clock
4.3 GHz
4.3 GHz
Base Clock
3.3 GHz+14%
2.9 GHz
L3 Cache
12 MB (total)
12 MB (total)
L2 Cache
1.25 MB (per core)
256K (per core)+20380%
Process
Intel 7 nm-50%
14 nm
Architecture
Alder Lake-S (2022)
Comet Lake (2020−2025)
PassMark
13,979+7%
13,029
Cinebench R23 Multi
8,191
Geekbench 6 Single
1,454
Geekbench 6 Multi
5,783
🧠

Memory & Platform

The Core i3-12100F uses the LGA1700 socket (PCIe 5.0), while the Core i5-10400F uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR4-3200, DDR5-4800 on the Core i3-12100F versus DDR4-2666 on the Core i5-10400F — the Core i3-12100F supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 128 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 20 (Core i3-12100F) vs 16 (Core i5-10400F) — the Core i3-12100F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel 600 series,Intel 700 series (Core i3-12100F) and H410,B460,H470,Z490,H510,B560,H570,Z590 (Core i5-10400F).

FeatureCore i3-12100FCore i5-10400F
Socket
LGA1700
LGA1200
PCIe Generation
PCIe 5.0+67%
PCIe 3.0
Max RAM Speed
DDR4-3200, DDR5-4800+20%
DDR4-2666
Max RAM Capacity
128 GB
128 GB
RAM Channels
2
2
ECC Support
No
No
PCIe Lanes
20+25%
16
🔧

Advanced Features

Virtualization: not specified (Core i3-12100F) / VT-x, VT-d (Core i5-10400F). Primary use case: Core i5-10400F targets Gaming. Direct competitor: Core i5-10400F rivals Ryzen 5 3600.

FeatureCore i3-12100FCore i5-10400F
Integrated GPU
No
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d
Target Use
Gaming
💰

Value Analysis

At launch, the Core i3-12100F was priced at $97, while the Core i5-10400F came in at $160. On launch pricing ($97 vs $160), Core i3-12100F was $63 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i3-12100F delivers 144.1 pts/$ vs 81.4 pts/$ for the Core i5-10400F — making the Core i3-12100F the 55.6% better value option.

FeatureCore i3-12100FCore i5-10400F
MSRP
$97-39%
$160
Performance per Dollar
144.1+77%
81.4
Release Date
2022
2020

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