Athlon II M300 vs PRO A4-8350B

Athlon II M300 vs PRO A4-8350B Performance Spectrum

Athlon II M300

2 / 2

1,700

+0.6%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

PRO A4-8350B

2 / 2

1,690

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.

Athlon II M300 vs PRO A4-8350B 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 II M300 vs PRO A4-8350B: Pros, Cons & Final Verdict

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

Athlon II M300

2009

Why buy it

✅+0.6% higher PassMark.
✅Draws 1W instead of 65W, a 64W reduction.

Trade-offs

❌Launch MSRP is still $100 MSRP, while PRO A4-8350B mostly shows up through inconsistent older-market listings.

PRO A4-8350B

2015

Why buy it

Trade-offs

❌Lower PassMark (1,690 vs 1,700).
❌6400% higher power demand at 65W vs 1W.

Quick Answers

So, is Athlon II M300 better than PRO A4-8350B?

It depends on what you want from the system. For gaming, PRO A4-8350B is ahead with a 1.0% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon II M300 pulls ahead with 0.6% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon II M300 is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II M300 is the better buy right now. Athlon II M300 comes in at an unclear MSRP at $100 MSRP versus unclear MSRP, and it still gives you 0.6% better PassMark. The compromise is that PRO A4-8350B is still the better pure gaming CPU with a 1.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (17.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

PRO A4-8350B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2009). That makes it the safer long-term bet.

Athlon II M300 vs PRO A4-8350B Technical Specifications

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

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.

PRO A4-8350B

The PRO A4-8350B is manufactured by AMD. It was released in 29 September 2015 (10 years ago). It is based on the Kaveri (2014−2015) architecture. It features 2 cores and 2 threads. Base frequency is 3.5 GHz, with boost up to 3.9 GHz. L2 cache: 1024 kB. Built on 28 nm process technology. Socket: FM2+. Thermal design power (TDP): 65 Watt. Memory support: DDR3-1866. Passmark benchmark score: 1,690 points. Launch price was $69.

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Processing Power

Both the Athlon II M300 and PRO A4-8350B share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Athlon II M300 versus 3.9 GHz on the PRO A4-8350B — a 64.4% clock advantage for the PRO A4-8350B. The Athlon II M300 uses the Caspian (2009) architecture (45 nm), while the PRO A4-8350B uses Kaveri (2014−2015) (28 nm). In PassMark, the Athlon II M300 scores 1,700 against the PRO A4-8350B's 1,690 — a 0.6% lead for the Athlon II M300.

Feature	Athlon II M300	PRO A4-8350B
Cores / Threads	2 / 2	2 / 2
Boost Clock	2 GHz	3.9 GHz+95%
Base Clock	—	3.5 GHz
L2 Cache	1 MB	1024 kB
Process	45 nm	28 nm-38%
Architecture	Caspian (2009)	Kaveri (2014−2015)
PassMark	1,700	1,690

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Memory & Platform

The Athlon II M300 uses the S1g3 socket (PCIe 2.0), while the PRO A4-8350B uses FM2+ (PCIe 3.0) — making them incompatible on the same motherboard.