Athlon II X3 450 vs Pentium 1403

Athlon II X3 450 vs Pentium 1403 Performance Spectrum

Athlon II X3 450

3 / 3

1,865

+0.8%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium 1403

2 / 2

1,851

0.0%

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 X3 450 vs Pentium 1403 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 X3 450 vs Pentium 1403: 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 X3 450

2010

Why buy it

✅Better for gaming: +4.8% higher average FPS across 50 shared CPU benchmark tests.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
✅Includes a boxed cooler (AMD Stock), unlike Pentium 1403.

Trade-offs

❌Launch MSRP is still $87 MSRP, while Pentium 1403 mostly shows up through inconsistent older-market listings.
❌18.8% higher power demand at 95W vs 80W.

Pentium 1403

2012

Why buy it

✅Draws 80W instead of 95W, a 15W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon II X3 450 across 50 shared CPU benchmark tests.
❌Lower PassMark (1,851 vs 1,865).
❌No boxed cooler included, unlike Athlon II X3 450.

Quick Answers

So, is Athlon II X3 450 better than Pentium 1403?

Yes. Athlon II X3 450 is the better all-around CPU here. It gives you a 4.8% average FPS lead across 50 shared CPU game tests in our data and 0.8% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon II X3 450 is the better pick. According to our tests, it delivers 4.8% 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, Athlon II X3 450 is the stronger fit. You are getting 0.8% better PassMark, backed by 3 cores and 3 threads.

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

Athlon II X3 450 is the better buy right now. Athlon II X3 450 comes in at an unclear MSRP at $87 MSRP versus unclear MSRP, and it still gives you a 4.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (21.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium 1403 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2012 vs 2010). That makes it the safer long-term bet.

Athlon II X3 450 vs Pentium 1403 Technical Specifications

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

Athlon II X3 450

The Athlon II X3 450 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 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: 1,865 points. Launch price was $45.

Pentium 1403

The Pentium 1403 is manufactured by Intel. It was released in 2007-01-01. It features 2 cores and 2 threads. Base frequency: 2.6 GHz. L3 cache: 5 MB. Built on 32 nm process technology. Thermal design power (TDP): 80 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 1,851 points. Launch price was $69.

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Processing Power

The Athlon II X3 450 packs 3 cores / 3 threads, while the Pentium 1403 offers 2 cores / 2 threads — the Athlon II X3 450 has 1 more core. The Athlon II X3 450 is built on the Rana (2009−2011) architecture. In PassMark, the Athlon II X3 450 scores 1,865 against the Pentium 1403's 1,851 — a 0.8% lead for the Athlon II X3 450. L3 cache: 0 kB on the Athlon II X3 450 vs 5 MB on the Pentium 1403.

Feature	Athlon II X3 450	Pentium 1403
Cores / Threads	3 / 3+50%	2 / 2
Boost Clock	3.2 GHz	—
Base Clock	3.2 GHz+23%	2.6 GHz
L3 Cache	0 kB	5 MB
L2 Cache	512 kB (per core)	—
Process	45 nm	32 nm-29%
Architecture	Rana (2009−2011)	—
PassMark	1,865	1,851
Geekbench 6 Single	380	—
Geekbench 6 Multi	980	—