Core i5-4308U vs FX-4300

Core i5-4308U vs FX-4300 Performance Spectrum

Core i5-4308U

2 / 4

2,978

0.0%

2,995

+0.6%

Ryzen Threadripper 1920

Ryzen AI Max 390

Ryzen 9 9955HX3D

Ryzen Threadripper 3990X

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 i5-4308U vs FX-4300 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 i5-4308U vs FX-4300: Pros, Cons & Final Verdict

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

Core i5-4308U

2014

Why buy it

✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Iris Graphics 5100, while FX-4300 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than FX-4300 across 50 shared CPU benchmark tests.
❌Lower PassMark (2,978 vs 2,995).
❌438.9% higher power demand at 512W vs 95W.

FX-4300

2012

Why buy it

✅Better for gaming: +10.0% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 95W instead of 512W, a 417W reduction.

Trade-offs

❌Launch MSRP is still $122 MSRP, while Core i5-4308U mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Core i5-4308U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is FX-4300 better than Core i5-4308U?

Yes. FX-4300 is the better all-around CPU here. It gives you a 10.0% average FPS lead across 50 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, FX-4300 is the better pick. According to our tests, it delivers 10.0% 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, FX-4300 is the stronger fit. You are getting 0.6% better PassMark, backed by 4 cores and 4 threads.

Which one is the smarter buy today, not just the cheaper CPU?

FX-4300 is the better buy right now. FX-4300 comes in at an unclear MSRP at $122 MSRP versus unclear MSRP, and it still gives you a 10.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (24.5 vs 0.0 PassMark/$), 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 i5-4308U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2012). That makes it the safer long-term bet.

Core i5-4308U vs FX-4300 Technical Specifications

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

Core i5-4308U

The Core i5-4308U is manufactured by Intel. It was released in 21 July 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.8 GHz, with boost up to 3.3 GHz. L3 cache: 3 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 2,978 points. Launch price was $315.

FX-4300

The FX-4300 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Vishera (2012−2015) architecture. It features 4 cores and 4 threads. Base frequency is 3.8 GHz, with boost up to 4 GHz. L2 cache: 4096 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 2,995 points. Launch price was $122.

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Processing Power

The Core i5-4308U packs 2 cores / 4 threads, while the FX-4300 offers 4 cores / 4 threads — the FX-4300 has 2 more cores. Boost clocks reach 3.3 GHz on the Core i5-4308U versus 4 GHz on the FX-4300 — a 19.2% clock advantage for the FX-4300 (base: 2.8 GHz vs 3.8 GHz). The Core i5-4308U uses the Haswell (2013−2015) architecture (22 nm), while the FX-4300 uses Vishera (2012−2015) (32 nm). In PassMark, the Core i5-4308U scores 2,978 against the FX-4300's 2,995 — a 0.6% lead for the FX-4300.

Feature	Core i5-4308U	FX-4300
Cores / Threads	2 / 4	4 / 4+100%
Boost Clock	3.3 GHz	4 GHz+21%
Base Clock	2.8 GHz	3.8 GHz+36%
L3 Cache	3 MB	—
L2 Cache	512 kB	4096 kB+700%
Process	22 nm-31%	32 nm
Architecture	Haswell (2013−2015)	Vishera (2012−2015)
PassMark	2,978	2,995

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Memory & Platform

The Core i5-4308U uses the FCBGA1168 socket (PCIe 3.0), while the FX-4300 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Core i5-4308U	FX-4300
Socket	FCBGA1168	AM3+
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	DDR3L-1600	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	12	—

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Advanced Features

Virtualization: VT-x, VT-d (Core i5-4308U) / not specified (FX-4300). The Core i5-4308U includes integrated graphics (Iris Graphics 5100), while the FX-4300 requires a dedicated GPU. Primary use case: Core i5-4308U targets Mobile.