A8-5550M vs Athlon II X3 445

A8-5550M vs Athlon II X3 445 Performance Spectrum

A8-5550M

4 / 4

1,811

+0.2%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Athlon II X3 445

3 / 3

1,807

0.0%

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.

A8-5550M vs Athlon II X3 445 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.

A8-5550M vs Athlon II X3 445: Pros, Cons & Final Verdict

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

A8-5550M

2013

Why buy it

✅+0.2% higher PassMark.
✅Draws 35W instead of 95W, a 60W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Radeon HD 8510G / 8550G, while Athlon II X3 445 needs a discrete GPU.

Trade-offs

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

Athlon II X3 445

2010

Why buy it

Trade-offs

❌Lower PassMark (1,807 vs 1,811).
❌Launch MSRP is still $87 MSRP, while A8-5550M mostly shows up through inconsistent older-market listings.
❌171.4% higher power demand at 95W vs 35W.
❌No integrated graphics, while A8-5550M can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is A8-5550M better than Athlon II X3 445?

Yes. A8-5550M is the better all-around CPU here. It gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data, 0.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

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

For streaming, content creation, and heavier multitasking, A8-5550M is the stronger fit. You are getting 0.2% better PassMark, backed by 4 cores and 4 threads.

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

A8-5550M is still the much better call for a fresh build. A8-5550M comes in at an unclear MSRP at unclear MSRP versus $87 MSRP, and it still gives you a 0.5% average FPS lead across 50 shared CPU game tests in our data. Athlon II X3 445 only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2010 platform. Even with 100.0% better value on paper (20.8 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on AM3.

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

A8-5550M makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2010) and more multi-core headroom with 4 cores / 4 threads instead of 3/3. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

A8-5550M vs Athlon II X3 445 Technical Specifications

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

A8-5550M

The A8-5550M is manufactured by AMD. It was released in 2014-01-01. It is based on the Richland (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 32 nm process technology. Socket: FS1r2. Thermal design power (TDP): 35 Watt. Memory support: DDR3. Passmark benchmark score: 1,811 points. Launch price was $90.

Athlon II X3 445

The Athlon II X3 445 is manufactured by AMD. It was released in 11 May 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.1 GHz, with boost up to 3.1 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,807 points. Launch price was $91.

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Processing Power

The A8-5550M packs 4 cores / 4 threads, while the Athlon II X3 445 offers 3 cores / 3 threads — the A8-5550M has 1 more core. Boost clocks reach 3.1 GHz on the A8-5550M versus 3.1 GHz on the Athlon II X3 445 — identical boost frequencies (base: 2.1 GHz vs 3.1 GHz). The A8-5550M uses the Richland (2013−2014) architecture (32 nm), while the Athlon II X3 445 uses Rana (2009−2011) (45 nm). In PassMark, the A8-5550M scores 1,811 against the Athlon II X3 445's 1,807 — a 0.2% lead for the A8-5550M. Both processors carry 0 kB of L3 cache.

Feature	A8-5550M	Athlon II X3 445
Cores / Threads	4 / 4+33%	3 / 3
Boost Clock	3.1 GHz	3.1 GHz
Base Clock	2.1 GHz	3.1 GHz+48%
L3 Cache	0 kB	0 kB
L2 Cache	1 MB (per core)+100%	512 kB (per core)
Process	32 nm-29%	45 nm
Architecture	Richland (2013−2014)	Rana (2009−2011)
PassMark	1,811	1,807

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Memory & Platform

The A8-5550M uses the FS1r2 socket (PCIe 3.0), while the Athlon II X3 445 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1600 on the A8-5550M versus DDR3-1333 on the Athlon II X3 445 — the A8-5550M supports 20% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 445 supports up to 32 GB of RAM compared to 16 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (A8-5550M) vs 0 (Athlon II X3 445) — the A8-5550M offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: FP2,FS1r2 (A8-5550M) and AMD AM3 (Athlon II X3 445).

Feature	A8-5550M	Athlon II X3 445
Socket	FS1r2	AM3
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	1600+20%	DDR3-1333
Max RAM Capacity	16 GB	32 GB+100%
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	0

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Advanced Features

Virtualization: true (A8-5550M) / not specified (Athlon II X3 445). The A8-5550M includes integrated graphics (Radeon HD 8510G / 8550G), while the Athlon II X3 445 requires a dedicated GPU. Direct competitor: A8-5550M rivals Core i3-4000M.