Athlon II M300 vs Turion X2 RM-75

Athlon II M300 vs Turion X2 RM-75 Performance Spectrum

Athlon II M300

2 / 2

1,700

0.0%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Turion X2 RM-75

2 / 2

1,717

+1.0%

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 Turion X2 RM-75 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 Turion X2 RM-75: 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

Trade-offs

❌Lower PassMark (1,700 vs 1,717).
❌Launch MSRP is still $100 MSRP, while Turion X2 RM-75 mostly shows up through inconsistent older-market listings.

Turion X2 RM-75

2009

Why buy it

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Turion X2 RM-75 better than Athlon II M300?

Yes. Turion X2 RM-75 is the better all-around CPU here. It gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data, 1% 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, Turion X2 RM-75 is the better pick. According to our tests, it delivers 2.2% 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, Turion X2 RM-75 is the stronger fit. You are getting 1% better PassMark, backed by 2 cores and 2 threads.

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

Turion X2 RM-75 is still the much better call for a fresh build. Turion X2 RM-75 comes in at an unclear MSRP at unclear MSRP versus $100 MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. Athlon II M300 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2009 platform. Even with 100.0% better value on paper (17.0 vs 0.0 PassMark/$), 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?

Turion X2 RM-75 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon II M300 vs Turion X2 RM-75 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.

Turion X2 RM-75

The Turion X2 RM-75 is manufactured by AMD. It was released in 2007-01-01. It is based on the Lion (2008−2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 65 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,717 points. Launch price was $69.

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Processing Power

Both the Athlon II M300 and Turion X2 RM-75 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Athlon II M300 versus 2.2 GHz on the Turion X2 RM-75 — a 9.5% clock advantage for the Turion X2 RM-75. The Athlon II M300 uses the Caspian (2009) architecture (45 nm), while the Turion X2 RM-75 uses Lion (2008−2009) (65 nm). In PassMark, the Athlon II M300 scores 1,700 against the Turion X2 RM-75's 1,717 — a 1% lead for the Turion X2 RM-75.

Feature	Athlon II M300	Turion X2 RM-75
Cores / Threads	2 / 2	2 / 2
Boost Clock	2 GHz	2.2 GHz+10%
L3 Cache	—	0 kB
L2 Cache	1 MB	1 MB
Process	45 nm-31%	65 nm
Architecture	Caspian (2009)	Lion (2008−2009)
PassMark	1,700	1,717+1%

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Memory & Platform

The Athlon II M300 uses the S1g3 socket (PCIe 2.0), while the Turion X2 RM-75 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.