Athlon Silver 7120U vs Core i5-12400F

Athlon Silver 7120U vs Core i5-12400F Performance Spectrum

Athlon Silver 7120U

2 / 2

3,012

0.0%

Ryzen Threadripper 1950

Ryzen AI Max 390

Ryzen 9 9955HX3D

Ryzen Threadripper 3990X

Core i5-12400F

6 / 12

19,532

+548.5%

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.

Athlon Silver 7120U vs Core i5-12400F 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.

Athlon Silver 7120U vs Core i5-12400F: Pros, Cons & Final Verdict

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

Athlon Silver 7120U

2022

Why buy it

✅Draws 15W instead of 65W, a 50W reduction.
✅Integrated graphics onboard with AMD Radeon 610M, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 41 shared CPU benchmark tests.
❌Lower PassMark (3,012 vs 19,532).
❌Smaller total L3 cache (2 MB vs 18 MB).
❌No boxed cooler included, unlike Core i5-12400F.

Core i5-12400F

2022

Why buy it

✅Better for gaming: +214.4% higher average FPS across 41 shared CPU benchmark tests.
✅+800% larger total L3 cache (18 MB vs 2 MB).
✅400% more PCIe lanes (20 vs 4) for storage and expansion-heavy builds.
✅Includes a boxed cooler (Yes), unlike Athlon Silver 7120U.

Trade-offs

❌Launch MSRP is still $174 MSRP, while Athlon Silver 7120U mostly shows up through inconsistent older-market listings.
❌333.3% higher power demand at 65W vs 15W.
❌No integrated graphics, while Athlon Silver 7120U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-12400F better than Athlon Silver 7120U?

Yes. Core i5-12400F is the better all-around CPU here. It gives you a 214.4% average FPS lead across 41 shared CPU game tests in our data, 548.5% 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 214.4% more average FPS across 41 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 548.5% better PassMark, backed by 6 cores and 12 threads. It also has the larger cache pool with 800% larger total L3 cache (18 MB vs 2 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 at an unclear MSRP at $174 MSRP versus unclear MSRP, and it still gives you a 214.4% average FPS lead across 41 shared CPU game tests in our data. It is also 100.0% better value on MSRP (112.3 vs 0.0 PassMark/$), 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 800% larger total L3 cache (18 MB vs 2 MB) and more multi-core headroom with 6 cores / 12 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon Silver 7120U vs Core i5-12400F Technical Specifications

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

Athlon Silver 7120U

The Athlon Silver 7120U is manufactured by AMD. It was released in 2009-01-01. It is based on the Mendocino (Zen 2) (2022−2023) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 3.5 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 6 nm process technology. Socket: FT6. Thermal design power (TDP): 15 Watt. Memory support: DDR5 Dual-channel. Passmark benchmark score: 3,012 points. Launch price was $149.

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.

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Processing Power

The Athlon Silver 7120U packs 2 cores / 2 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 4 more cores. Boost clocks reach 3.5 GHz on the Athlon Silver 7120U versus 4.4 GHz on the Core i5-12400F — a 22.8% clock advantage for the Core i5-12400F (base: 2.4 GHz vs 2.5 GHz). The Athlon Silver 7120U uses the Mendocino (Zen 2) (2022−2023) architecture (6 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the Athlon Silver 7120U scores 3,012 against the Core i5-12400F's 19,532 — a 146.6% lead for the Core i5-12400F. L3 cache: 2 MB (total) on the Athlon Silver 7120U vs 18 MB (total) on the Core i5-12400F.

Feature	Athlon Silver 7120U	Core i5-12400F
Cores / Threads	2 / 2	6 / 12+200%
Boost Clock	3.5 GHz	4.4 GHz+26%
Base Clock	2.4 GHz	2.5 GHz+4%
L3 Cache	2 MB (total)	18 MB (total)+800%
L2 Cache	512 kB (per core)	1.25 MB (per core)+150%
Process	6 nm-14%	Intel 7 nm
Architecture	Mendocino (Zen 2) (2022−2023)	Alder Lake-S (2022)
PassMark	3,012	19,532+548%
Cinebench R23 Multi	—	12,380
Geekbench 6 Single	—	1,700
Geekbench 6 Multi	—	657

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Memory & Platform

The Athlon Silver 7120U uses the FT6 socket (PCIe 4.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches LPDDR5-5500 on the Athlon Silver 7120U versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Athlon Silver 7120U supports 14.6% 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 16 GB — 700% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 4 (Athlon Silver 7120U) vs 20 (Core i5-12400F) — the Core i5-12400F offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD FT6 (Athlon Silver 7120U) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

Feature	Athlon Silver 7120U	Core i5-12400F
Socket	FT6	LGA1700
PCIe Generation	PCIe 4.0+33%	PCIe 3.0
Max RAM Speed	LPDDR5-5500+15%	DDR5-4800, DDR4-3200
Max RAM Capacity	16 GB	128 GB+700%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	4	20+400%

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Advanced Features

Virtualization: not specified (Athlon Silver 7120U) / VT-x, VT-d, EPT (Core i5-12400F). The Athlon Silver 7120U includes integrated graphics (AMD Radeon 610M), while the Core i5-12400F requires a dedicated GPU. Primary use case: Core i5-12400F targets Gaming Performance/Value. Direct competitor: Core i5-12400F rivals Ryzen 5 5600.