Core i5-12400F vs Sempron 3100+

Intel

Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022
Core family
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VS
AMD

Sempron 3100+

1 Cores1 Thrd62 WWMax: 1.8 GHz2001
Similar parts
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Core i5-12400F vs Sempron 3100+ 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 i5-12400F vs Sempron 3100+ 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 Sempron 3100+: 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: +2162.4% higher average FPS across 50 shared CPU benchmark tests.
  • Delivers 1861.4% more PassMark for each dollar spent, at 112.3 vs 5.7 PassMark/$ ($174 MSRP vs $65 MSRP).
  • Newer platform on LGA1700 with DDR5 support instead of 754 and older memory support.
  • 100+% more PCIe lanes (20 vs 0) for storage and expansion-heavy builds.

Trade-offs

  • 167.7% HIGHER MSRP
    $174 MSRPvs$65 MSRP

Sempron 3100+

2001

Why buy it

  • Costs $109 less on MSRP ($65 MSRP vs $174 MSRP).

Trade-offs

  • Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
  • Lower PassMark (372 vs 19,532).
  • Lower PassMark per dollar, at 5.7 vs 112.3 PassMark/$ ($65 MSRP vs $174 MSRP).
  • Older platform position on 754, while Core i5-12400F moves to LGA1700 and DDR5.

Quick Answers

So, is Core i5-12400F better than Sempron 3100+?
Yes. Core i5-12400F is the better all-around CPU here. It gives you a 2162.4% average FPS lead across 50 shared CPU game tests in our data, 5150.5% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.
Which one is better for gaming?
If gaming is the priority, Core i5-12400F is the better pick. According to our tests, it delivers 2162.4% 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 5150.5% better PassMark, backed by 6 cores and 12 threads.
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 167.7% more expensive on MSRP at $174 MSRP versus $65 MSRP, and it still gives you a 2162.4% average FPS lead across 50 shared CPU game tests in our data. It is also 1861.4% better value on MSRP (112.3 vs 5.7 PassMark/$), 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 2001), a healthier platform with LGA1700 and DDR5 instead of 754, and more multi-core headroom with 6 cores / 12 threads instead of 1/1. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Core i5-12400F vs Sempron 3100+ Technical Specifications

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

Intel

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.

AMD

Sempron 3100+

The Sempron 3100+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: 754. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 372 points. Launch price was $60.

Processing Power

The Core i5-12400F packs 6 cores / 12 threads, while the Sempron 3100+ offers 1 cores / 1 threads — the Core i5-12400F has 5 more cores. Boost clocks reach 4.4 GHz on the Core i5-12400F versus 1.8 GHz on the Sempron 3100+ — a 83.9% clock advantage for the Core i5-12400F. The Core i5-12400F uses the Alder Lake-S (2022) architecture (Intel 7 nm), while the Sempron 3100+ uses Palermo (2001−2005) (130 nm). In PassMark, the Core i5-12400F scores 19,532 against the Sempron 3100+'s 372 — a 192.5% lead for the Core i5-12400F. L3 cache: 18 MB (total) on the Core i5-12400F vs 0 kB on the Sempron 3100+.

FeatureCore i5-12400FSempron 3100+
Cores / Threads
6 / 12+500%
1 / 1
Boost Clock
4.4 GHz+144%
1.8 GHz
Base Clock
2.5 GHz
L3 Cache
18 MB (total)
0 kB
L2 Cache
1.25 MB (per core)+400%
256 kB
Process
Intel 7 nm-95%
130 nm
Architecture
Alder Lake-S (2022)
Palermo (2001−2005)
PassMark
19,532+5151%
372
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 Sempron 3100+ uses 754 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR5-4800, DDR4-3200 on the Core i5-12400F versus DDR 400 MHz on the Sempron 3100+ — the Core i5-12400F supports 1100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core i5-12400F supports up to 128 GB of RAM compared to 3 GB 4166.7% more capacity for professional workloads. Memory channels: 2 (Core i5-12400F) vs 1 (Sempron 3100+). PCIe lanes: 20 (Core i5-12400F) vs 0 (Sempron 3100+) — the Core i5-12400F offers 20 more lanes for additional GPUs or NVMe drives. Chipset compatibility: H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F) and nForce3,VIA K8T800 (Sempron 3100+).

FeatureCore i5-12400FSempron 3100+
Socket
LGA1700
754
PCIe Generation
PCIe 3.0+50%
PCIe 2.0
Max RAM Speed
DDR5-4800, DDR4-3200+1100%
DDR 400 MHz
Max RAM Capacity
128 GB+4167%
3 GB
RAM Channels
2+100%
1
ECC Support
No
No
PCIe Lanes
20
0
🔧

Advanced Features

Virtualization support: VT-x, VT-d, EPT (Core i5-12400F) vs false (Sempron 3100+). Primary use case: Core i5-12400F targets Gaming Performance/Value, Sempron 3100+ targets Budget. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.

FeatureCore i5-12400FSempron 3100+
Integrated GPU
No
No
Unlocked
No
AVX-512
No
Virtualization
VT-x, VT-d, EPT
false
Target Use
Gaming Performance/Value
Budget
💰

Value Analysis

At launch, the Core i5-12400F was priced at $174, while the Sempron 3100+ came in at $65. On launch pricing ($174 vs $65), Sempron 3100+ was $109 cheaper. In terms of value on MSRP (PassMark points per dollar), the Core i5-12400F delivers 112.3 pts/$ vs 5.7 pts/$ for the Sempron 3100+ — making the Core i5-12400F the 180.6% better value option.

FeatureCore i5-12400FSempron 3100+
MSRP
$174
$65-63%
Performance per Dollar
112.3+1870%
5.7
Release Date
2022
2001

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