Mobile Pentium 4 2.80 vs Opteron 142

Mobile Pentium 4 2.80 vs Opteron 142 Performance Spectrum

Mobile Pentium 4 2.80

1 / 2

428

0.0%

445

+4.0%

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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.

Mobile Pentium 4 2.80 vs Opteron 142 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.

Mobile Pentium 4 2.80 vs Opteron 142: Pros, Cons & Final Verdict

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

Mobile Pentium 4 2.80

2003

Why buy it

✅Draws 68W instead of 85W, a 17W reduction.

Trade-offs

❌Lower PassMark (428 vs 445).

Opteron 142

2003

Why buy it

✅+4% higher PassMark.

Trade-offs

❌Launch MSRP is still $292 MSRP, while Mobile Pentium 4 2.80 mostly shows up through inconsistent older-market listings.
❌25% higher power demand at 85W vs 68W.

Quick Answers

So, is Opteron 142 better than Mobile Pentium 4 2.80?

Not really, because they are built for different jobs. Opteron 142 makes more sense for workstation-style multi-core throughput, while Mobile Pentium 4 2.80 is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Opteron 142 is the stronger fit. You are getting 4% better PassMark, backed by 1 cores and 1 threads.

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

Opteron 142 is the better buy right now. Opteron 142 comes in at an unclear MSRP at $292 MSRP versus unclear MSRP, and it still gives you 4% better PassMark. The compromise is that Mobile Pentium 4 2.80 is still the better pure gaming CPU with 75% higher max boost clock. It is also 100.0% better value on MSRP (1.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Opteron 142 is the safer long-term CPU choice because it gives you more room to grow and a better platform outlook.

Mobile Pentium 4 2.80 vs Opteron 142 Technical Specifications

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

Mobile Pentium 4 2.80

The Mobile Pentium 4 2.80 is manufactured by Intel. It was released in Junho 2003 (22 years ago). It is based on the Northwood (2002−2004) architecture. It features 1 cores and 2 threads. Max frequency: 2.8 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 68 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 428 points. Launch price was $69.

Opteron 142

The Opteron 142 is manufactured by AMD. It was released in 2015-01-01. It is based on the SledgeHammer (2003−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: 940. Thermal design power (TDP): 85 Watt. Passmark benchmark score: 445 points. Launch price was $800.

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Processing Power

The Mobile Pentium 4 2.80 packs 1 cores / 2 threads, matching the Opteron 142's 1 cores. Boost clocks reach 2.8 GHz on the Mobile Pentium 4 2.80 versus 1.6 GHz on the Opteron 142 — a 54.5% clock advantage for the Mobile Pentium 4 2.80. The Mobile Pentium 4 2.80 uses the Northwood (2002−2004) architecture (130 nm), while the Opteron 142 uses SledgeHammer (2003−2005) (130 nm). In PassMark, the Mobile Pentium 4 2.80 scores 428 against the Opteron 142's 445 — a 3.9% lead for the Opteron 142. Both processors carry 0 kB of L3 cache.

Feature	Mobile Pentium 4 2.80	Opteron 142
Cores / Threads	1 / 2	1 / 1
Boost Clock	2.8 GHz+75%	1.6 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB	1 MB+100%
Process	130 nm	130 nm
Architecture	Northwood (2002−2004)	SledgeHammer (2003−2005)
PassMark	428	445+4%

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Memory & Platform

The Mobile Pentium 4 2.80 uses the PGA478 socket (PCIe 1.1), while the Opteron 142 uses 940 (PCIe 2.0) — making them incompatible on the same motherboard.