Atom Z520 vs Pentium 4 1.80

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.

Atom Z520 vs Pentium 4 1.80 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.

Atom Z520 vs Pentium 4 1.80: Pros, Cons & Final Verdict

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

Atom Z520

2008

Why buy it

✅Draws 2W instead of 67W, a 65W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium 4 1.80 across 50 shared CPU benchmark tests.
❌Lower PassMark (215 vs 225).

Pentium 4 1.80

2001

Why buy it

✅Better for gaming: +20.0% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Launch MSRP is still $562 MSRP, while Atom Z520 mostly shows up through inconsistent older-market listings.
❌3250% higher power demand at 67W vs 2W.

Quick Answers

So, is Pentium 4 1.80 better than Atom Z520?

Yes. Pentium 4 1.80 is the better all-around CPU here. It gives you a 20.0% average FPS lead across 50 shared CPU game tests in our data and 4.7% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium 4 1.80 is the better pick. According to our tests, it delivers 20.0% 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, Pentium 4 1.80 is the stronger fit. You are getting 4.7% better PassMark, backed by 1 cores and 1 threads.

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

Pentium 4 1.80 is the better buy right now. Pentium 4 1.80 comes in at an unclear MSRP at $562 MSRP versus unclear MSRP, and it still gives you a 20.0% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (0.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Atom Z520 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2001). That makes it the safer long-term bet.

Atom Z520 vs Pentium 4 1.80 Technical Specifications

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

Atom Z520

The Atom Z520 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 1.33 GHz, with boost up to 0.03 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2 Watt. Passmark benchmark score: 215 points. Launch price was $65.

Pentium 4 1.80

The Pentium 4 1.80 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 180 nm process technology. Socket: PGA478. Thermal design power (TDP): 67 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 225 points. Launch price was $69.

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Processing Power

The Atom Z520 packs 1 cores / 2 threads, matching the Pentium 4 1.80's 1 cores. Boost clocks reach 0.03 GHz on the Atom Z520 versus 1.8 GHz on the Pentium 4 1.80 — a 193.4% clock advantage for the Pentium 4 1.80. The Atom Z520 uses the Silverthorne (2008−2010) architecture (45 nm), while the Pentium 4 1.80 uses NetBurst (2000−2006) (180 nm). In PassMark, the Atom Z520 scores 215 against the Pentium 4 1.80's 225 — a 4.5% lead for the Pentium 4 1.80. Both processors carry 0 kB of L3 cache.

Feature	Atom Z520	Pentium 4 1.80
Cores / Threads	1 / 2	1 / 1
Boost Clock	0.03 GHz	1.8 GHz+5900%
Base Clock	1.33 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB+100%	256 kB
Process	45 nm-75%	180 nm
Architecture	Silverthorne (2008−2010)	NetBurst (2000−2006)
PassMark	215	225+5%

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Memory & Platform

The Atom Z520 uses the PBGA441 socket (PCIe 2.0), while the Pentium 4 1.80 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.