A4 PRO-3340B vs Athlon II M300

A4 PRO-3340B vs Athlon II M300 Performance Spectrum

A4 PRO-3340B

4 / 4

1,709

+0.5%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Athlon II M300

2 / 2

1,700

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

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.

A4 PRO-3340B vs Athlon II M300 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.

A4 PRO-3340B vs Athlon II M300: Pros, Cons & Final Verdict

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

A4 PRO-3340B

2014

Why buy it

✅100+% more PCIe lanes (8 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon HD 8240, while Athlon II M300 needs a discrete GPU.

Trade-offs

❌2400% higher power demand at 25W vs 1W.

Athlon II M300

2009

Why buy it

✅Draws 1W instead of 25W, a 24W reduction.

Trade-offs

❌Lower PassMark (1,700 vs 1,709).
❌Launch MSRP is still $100 MSRP, while A4 PRO-3340B mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while A4 PRO-3340B can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is A4 PRO-3340B better than Athlon II M300?

Yes. A4 PRO-3340B is the better all-around CPU here. It gives you a 2.4% average FPS lead across 50 shared CPU game tests in our data, 0.5% 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, A4 PRO-3340B is the better pick. According to our tests, it delivers 2.4% 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, A4 PRO-3340B is the stronger fit. You are getting 0.5% better PassMark, backed by 4 cores and 4 threads.

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

A4 PRO-3340B is still the much better call for a fresh build. A4 PRO-3340B comes in at an unclear MSRP at unclear MSRP versus $100 MSRP, and it still gives you a 2.4% average FPS lead across 50 shared CPU game tests in our data. Athlon II M300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (17.0 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on S1g3.

Which one is more future-proof for 2026 and beyond?

A4 PRO-3340B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2009) and more multi-core headroom with 4 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

A4 PRO-3340B vs Athlon II M300 Technical Specifications

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

A4 PRO-3340B

The A4 PRO-3340B is manufactured by AMD. It was released in 20 December 2014 (10 years ago). It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 25 Watt. Memory support: DDR3/DDR3L-1600. Passmark benchmark score: 1,709 points. Launch price was $69.

Athlon II M300

The Athlon II M300 is manufactured by AMD. It was released in 2009-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 1 MB. Memory support: DDR2. Passmark benchmark score: 1,700 points. Launch price was $149.

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Processing Power

The A4 PRO-3340B packs 4 cores / 4 threads, while the Athlon II M300 offers 2 cores / 2 threads — the A4 PRO-3340B has 2 more cores. Boost clocks reach 2.2 GHz on the A4 PRO-3340B versus 2 GHz on the Athlon II M300 — a 9.5% clock advantage for the A4 PRO-3340B. The A4 PRO-3340B uses the Kabini (2013−2014) architecture (28 nm), while the Athlon II M300 uses Caspian (2009) (45 nm). In PassMark, the A4 PRO-3340B scores 1,709 against the Athlon II M300's 1,700 — a 0.5% lead for the A4 PRO-3340B.

Feature	A4 PRO-3340B	Athlon II M300
Cores / Threads	4 / 4+100%	2 / 2
Boost Clock	2.2 GHz+10%	2 GHz
Base Clock	2.2 GHz	—
L2 Cache	2048 kB+100%	1 MB
Process	28 nm-38%	45 nm
Architecture	Kabini (2013−2014)	Caspian (2009)
PassMark	1,709	1,700
Geekbench 6 Single	200	—

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Memory & Platform

The A4 PRO-3340B uses the FT3 socket (PCIe 2.0), while the Athlon II M300 uses S1g3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the A4 PRO-3340B versus 800 on the Athlon II M300 — the A4 PRO-3340B supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A4 PRO-3340B supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Memory channels: 1 (A4 PRO-3340B) vs 2 (Athlon II M300). PCIe lanes: 8 (A4 PRO-3340B) vs 0 (Athlon II M300) — the A4 PRO-3340B offers 8 more lanes for additional GPUs or NVMe drives.

Feature	A4 PRO-3340B	Athlon II M300
Socket	FT3	S1g3
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1600+100%	800
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	1	2+100%
ECC Support	No	No
PCIe Lanes	8	0

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Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (A4 PRO-3340B) vs true (Athlon II M300). The A4 PRO-3340B includes integrated graphics (Radeon HD 8240), while the Athlon II M300 requires a dedicated GPU. Primary use case: A4 PRO-3340B targets Business Laptop. Direct competitor: A4 PRO-3340B rivals Pentium N3520; Athlon II M300 rivals Core 2 Duo T6400.