AMD FX-Series FX-4300 4-core Socket AM3+
A 4.0GHz boost clock and unlocked multiplier on the 95W FX-4300 provide headroom for overclocking on legacy AM3+ systems. Its 4MB of L3 cache and quad-core design deliver basic multitasking capability at an entry-level price point. This processor is best for users maintaining older AM3+ desktops for light office work and web browsing.
現在、販売店の最新価格はありません
概要
The 30-Second Version
The FX-4300 is a fossil that still runs, but barely. Buy it only if your AM3+ board is on life support and you refuse to let it die.
Pros & Cons
長所
- Dirt cheap if you can find it used 89th
- Drops into existing AM3+ boards without a rebuild
- 4.0GHz boost is fine for basic desktop tasks
- Runs older games and Windows 7 era software without complaint
短所
- Multi-thread performance is near the bottom of our database
- 95W TDP for this level of performance is embarrassing
- No upgrade path, AM3+ is a dead socket
- AI and modern workloads are basically a non-starter
オーナーの声
The Word on the Street
実証データ
Performance
The 3.8GHz base and 4.0GHz boost clocks sound okay on paper, but the FX-4300's architecture is so old that clock speed barely matters anymore. In our database, single-thread performance lands at the 54th percentile, which sounds mediocre until you realize multi-thread is down at the 11th percentile. That's brutal. The 4MB of L3 cache is tiny by today's standards, and the 95W TDP means it runs hot and thirsty for what little work it actually gets done. What surprised us most is how far behind this thing is even compared to budget chips from five years ago.
Specifications
Full Specifications
Processor
| Brand | AMD |
| Series | AMD FX |
| Model | FD4300WMW4MHK |
| Class | desktop |
Cores & Clocks
| Cores | 4 |
| Threads | 4 |
| Base Clock | 3800 |
| Boost Clock | 4000 |
Cache
| L2 Cache | 4 |
| L3 Cache | 4 MB |
Platform & Power
| Socket | Socket AM3+ |
| TDP | 95 |
vs Competition
Stacked against something like the Intel Core i5 14400F, the FX-4300 looks like it's from another planet. The i5 absolutely destroys it in every metric that matters, and even a used Xeon E5-2637 V2 will run circles around this thing in multi-threaded workloads. The be quiet! Ryzen 3 Dark Rock Pro 5 isn't even a CPU, it's a cooler, which tells you how thin the AM3+ competition really is these days. If you're building anything remotely modern, the FX-4300 shouldn't even be on your list.
| Spec | AMD FX-Series FX-4300 | Intel Core Ultra 9 285K | SMC EPYC 9555P | HP Xeon 6526Y | CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor | MICRO CENTER 9950X3DMAGX870ETMKWF |
|---|---|---|---|---|---|---|
| Cores | 4 | 24 | 64 | 16 | 24 | - |
| Threads | 4 | 24 | 128 | 32 | 48 | - |
| Boost Clock Mhz | 4000 | 5700 | 4400 | 3900 | 4000 | - |
| L3 Cache Mb | 4 | 36 | 256 | 37 | 128 | - |
| Tdp W | 95 | 125 | 360 | 195 | 200 | - |
| Socket | Socket AM3+ | LGA 1851 | AMD Socket SP5 | LGA 4677 | AMD Socket SP3 | - |
| Integrated Graphics | - | Intel Graphics | - | No | - | - |
| Compare | Compare | Compare | Compare | Compare |
| 製品 | AI | Feature | Platform | Efficiency | Multi Thread | ユーザー評価 | Affordability | Single Thread |
|---|---|---|---|---|---|---|---|---|
| AMD FX-Series FX-4300 | 13.1 | 20.7 | 17.4 | 15 | 10.6 | 25.5 | 89.1 | 54.4 |
| Intel Core Ultra 9 285K Compare | 96.2 | 99.9 | 96 | 97.2 | 96.4 | 90.3 | 18.3 | 99.9 |
| SMC EPYC 9555P Compare | 99.3 | 77.5 | 96.8 | 89.7 | 99.4 | 0 | 0.4 | 85.9 |
| HP Xeon 6526Y Compare | 92.1 | 77.5 | 90.7 | 79.3 | 90 | 0 | 2.7 | 80.6 |
| CG CHIPS GATE EPYC 6GK7443-1EX30-0XE0 1PC New 6GK7443-1EX30-0XE0 Communications Processor Compare | 94.8 | 77.5 | 84.4 | 85.2 | 93.9 | 36.3 | 5.3 | 80.5 |
| MICRO CENTER 9950X3DMAGX870ETMKWF Compare | 85.8 | 20.7 | 17.4 | 66.7 | 97.1 | 0 | 6.4 | 98.4 |
価格
Value & Pricing
At $44 USD, you're not risking much, but you're also not getting much. The affordability score is actually decent at the 89th percentile, which tells you this chip is priced like the budget relic it is. But value isn't just about being cheap. It's about what you get for your money, and what you get here is a CPU that struggles with anything made after 2015. If you're keeping an old system alive for basic browsing or retro gaming, sure. For anything else, save your money.
詳細情報
Overview
The AMD FX-4300 is a relic from a time when AMD was getting absolutely smoked by Intel, and honestly, time hasn't been kind to it. This is a quad-core chip from 2012 that still sells because it's cheap and fits old AM3+ boards, but calling it a modern CPU is generous. The one thing to know: if you need a drop-in replacement for an ancient AM3+ system and can grab it for pocket change, fine. Otherwise, this thing is a museum piece.
Common Questions
Q: Will this work in my AM3+ motherboard?
Probably, but check your board's CPU support list first. Some older AM3+ boards need a BIOS update to recognize the FX-4300, and a few cheap boards never got that update at all.
Q: Can I game on this CPU?
For older titles and esports games at low settings, sure. But anything from the last five years is going to choke, especially anything that uses more than two cores properly.
Q: Is this worth buying for a budget build?
No. Even a used Ryzen 3 or older Intel i3 will crush this thing for similar money. The only reason to buy an FX-4300 is if you already have an AM3+ board and just need a working chip.
Who Should Skip This
If you're building a new system or upgrading for modern games, skip this entirely. Go grab a used Ryzen 3 or even an old Intel i3 instead. You'll get dramatically better performance for not much more money, and you won't be stuck on a dead platform with no upgrade path.
Verdict
Don't buy this unless you're rescuing an old AM3+ system and have literally no other option. The FX-4300 was underwhelming when it launched and it's only gotten worse with age. If you need a cheap chip for a retro build or a basic office machine that never touches modern software, it'll technically work. But for anyone else, this is a hard pass.
