A8-3800 vs Core i5-12400F

CPU

GPU

A8-3800

4 Cores4 Thrd65 WWMax: 2.7 GHz2011

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Core i5-12400F

6 Cores12 Thrd65 WWMax: 4.4 GHz2022

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A8-3800 vs Core i5-12400F Performance Spectrum

A8-3800

4 / 4

2,051

0.0%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core i5-12400F

6 / 12

19,532

+852.3%

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.

A8-3800 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.

A8-3800 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.

A8-3800

2011

Why buy it

✅+105.5% higher Geekbench multi-core.
✅Costs $44 less on MSRP ($130 MSRP vs $174 MSRP).
✅Integrated graphics onboard with Radeon HD 6550D, while Core i5-12400F needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-12400F across 50 shared CPU benchmark tests.
❌Lower PassMark per dollar, at 15.8 vs 112.3 PassMark/$ ($130 MSRP vs $174 MSRP).
❌Older platform position on FM1, while Core i5-12400F moves to LGA1700 and DDR5.

Core i5-12400F

2022

Why buy it

✅Better for gaming: +324.4% higher average FPS across 50 shared CPU benchmark tests.
✅Delivers 611.5% more PassMark for each dollar spent, at 112.3 vs 15.8 PassMark/$ ($174 MSRP vs $130 MSRP).
✅Newer platform on LGA1700 with DDR5 support instead of FM1 and older memory support.
✅25% more PCIe lanes (20 vs 16) for storage and expansion-heavy builds.

Trade-offs

❌Lower Geekbench multi-core (657 vs 1,350).
❌
33.8% HIGHER MSRP
$174 MSRPvs$130 MSRP
❌No integrated graphics, while A8-3800 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Core i5-12400F better than A8-3800?

It depends on what you want from the system. For gaming, Core i5-12400F is ahead with a 324.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, A8-3800 pulls ahead with 105.5% better Geekbench multi-core.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, A8-3800 is the stronger fit. You are getting 105.5% better Geekbench multi-core, backed by 4 cores and 4 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 33.8% more expensive on MSRP at $174 MSRP versus $130 MSRP, and it still gives you a 324.4% average FPS lead across 50 shared CPU game tests in our data. The compromise is that A8-3800 is still stronger for heavier multi-core work with 105.5% better Geekbench multi-core. It is also 611.5% better value on MSRP (112.3 vs 15.8 PassMark/$), 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 2011) and a healthier platform with LGA1700 and DDR5 instead of FM1. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

A8-3800 vs Core i5-12400F Technical Specifications

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

A8-3800

The A8-3800 is manufactured by AMD. It was released in 2014-01-01. It is based on the Llano (2011−2012) architecture. It features 4 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.7 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FM1. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 2,051 points. Launch price was $90.

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.

⚡

Processing Power

The A8-3800 packs 4 cores / 4 threads, while the Core i5-12400F offers 6 cores / 12 threads — the Core i5-12400F has 2 more cores. Boost clocks reach 2.7 GHz on the A8-3800 versus 4.4 GHz on the Core i5-12400F — a 47.9% clock advantage for the Core i5-12400F (base: 2.4 GHz vs 2.5 GHz). The A8-3800 uses the Llano (2011−2012) architecture (32 nm), while the Core i5-12400F uses Alder Lake-S (2022) (Intel 7 nm). In PassMark, the A8-3800 scores 2,051 against the Core i5-12400F's 19,532 — a 162% lead for the Core i5-12400F. Geekbench 6 single-core — the metric most relevant to gaming — records 370 vs 1,700, a 128.5% lead for the Core i5-12400F that directly translates to higher frame rates. Multi-core Geekbench: 1,350 vs 657 (69.1% advantage for the A8-3800). L3 cache: 0 kB on the A8-3800 vs 18 MB (total) on the Core i5-12400F.

Feature	A8-3800	Core i5-12400F
Cores / Threads	4 / 4	6 / 12+50%
Boost Clock	2.7 GHz	4.4 GHz+63%
Base Clock	2.4 GHz	2.5 GHz+4%
L3 Cache	0 kB	18 MB (total)
L2 Cache	1 MB (per core)	1.25 MB (per core)+25%
Process	32 nm	Intel 7 nm-78%
Architecture	Llano (2011−2012)	Alder Lake-S (2022)
PassMark	2,051	19,532+852%
Cinebench R23 Multi	—	12,380
Geekbench 6 Single	370	1,700+359%
Geekbench 6 Multi	1,350+105%	657

🧠

Memory & Platform

The A8-3800 uses the FM1 socket (PCIe 2.0), while the Core i5-12400F uses LGA1700 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the A8-3800 versus DDR5-4800, DDR4-3200 on the Core i5-12400F — the Core i5-12400F supports 157.2% 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 32 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A8-3800) vs 20 (Core i5-12400F) — the Core i5-12400F offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: A55,A75 (A8-3800) and H610,B660,H670,Z690,B760,H770,Z790 (Core i5-12400F).

Feature	A8-3800	Core i5-12400F
Socket	FM1	LGA1700
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1866	DDR5-4800, DDR4-3200+157%
Max RAM Capacity	32 GB	128 GB+300%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	20+25%

🔧

Advanced Features

Virtualization support: AMD-V (A8-3800) vs VT-x, VT-d, EPT (Core i5-12400F). The A8-3800 includes integrated graphics (Radeon HD 6550D), while the Core i5-12400F requires a dedicated GPU. Primary use case: A8-3800 targets Budget Desktop, Core i5-12400F targets Gaming Performance/Value. Direct competitor: A8-3800 rivals Core i3-2100; Core i5-12400F rivals Ryzen 5 5600.

Feature	A8-3800	Core i5-12400F
Integrated GPU	Yes	No
IGPU Model	Radeon HD 6550D	—
Unlocked	No	—
AVX-512	No	—
Virtualization	AMD-V	VT-x, VT-d, EPT
Target Use	Budget Desktop	Gaming Performance/Value

💰

Value Analysis

At launch, the A8-3800 was priced at $130, while the Core i5-12400F came in at $174. On launch pricing ($130 vs $174), A8-3800 was $44 cheaper. In terms of value on MSRP (PassMark points per dollar), the A8-3800 delivers 15.8 pts/$ vs 112.3 pts/$ for the Core i5-12400F — making the Core i5-12400F the 150.7% better value option.

Feature	A8-3800	Core i5-12400F
MSRP	$130-25%	$174
Performance per Dollar	15.8	112.3+611%
Release Date	2011	2022

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