Opteron 142 vs Pentium M 745

Opteron 142 vs Pentium M 745 Performance Spectrum

Opteron 142

1 / 1

445

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium M 745

1 / 1

465

+4.5%

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.

Opteron 142 vs Pentium M 745 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.

Opteron 142 vs Pentium M 745: Pros, Cons & Final Verdict

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

Opteron 142

2003

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Pentium M 745 across 50 shared CPU benchmark tests.
❌Lower PassMark (445 vs 465).
❌Launch MSRP is still $292 MSRP, while Pentium M 745 mostly shows up through inconsistent older-market listings.
❌304.8% higher power demand at 85W vs 21W.

Pentium M 745

2004

Why buy it

✅Better for gaming: +8.7% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 21W instead of 85W, a 64W reduction.

Trade-offs

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

Quick Answers

So, is Pentium M 745 better than Opteron 142?

Not really, because they are built for different jobs. Opteron 142 makes more sense for workstation-style multi-core throughput, while Pentium M 745 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Pentium M 745 is the better pick. According to our tests, it delivers 8.7% 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 M 745 is the stronger fit. You are getting 4.5% better PassMark, backed by 1 cores and 1 threads.

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

Pentium M 745 is still the faster CPU overall, but Opteron 142 is easier to justify if budget matters more than peak performance. Pentium M 745 comes in at an unclear MSRP at unclear MSRP versus $292 MSRP, and it still gives you a 8.7% average FPS lead across 50 shared CPU game tests in our data. Opteron 142 is also 100.0% better value on MSRP (1.5 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Pentium M 745 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2004 vs 2003) and more multi-core headroom with 1 cores / 1 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Opteron 142 vs Pentium M 745 Technical Specifications

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

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.

Pentium M 745

The Pentium M 745 is manufactured by Intel. It was released in 2007-01-01. It is based on the Dothan (2004−2005) architecture. It features 1 cores and 1 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 90 nm process technology. Socket: PGA478. Thermal design power (TDP): 7.5 Watt. Memory support: DDR2. Passmark benchmark score: 465 points. Launch price was $69.

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Processing Power

Both the Opteron 142 and Pentium M 745 share an identical 1-core/1-thread configuration. Boost clocks reach 1.6 GHz on the Opteron 142 versus 1.8 GHz on the Pentium M 745 — a 11.8% clock advantage for the Pentium M 745. The Opteron 142 uses the SledgeHammer (2003−2005) architecture (130 nm), while the Pentium M 745 uses Dothan (2004−2005) (90 nm). In PassMark, the Opteron 142 scores 445 against the Pentium M 745's 465 — a 4.4% lead for the Pentium M 745. Both processors carry 0 kB of L3 cache.

Feature	Opteron 142	Pentium M 745
Cores / Threads	1 / 1	1 / 1
Boost Clock	1.6 GHz	1.8 GHz+12%
Base Clock	—	1.8 GHz
L3 Cache	0 kB	0 kB
L2 Cache	1 MB	2 MB+100%
Process	130 nm	90 nm-31%
Architecture	SledgeHammer (2003−2005)	Dothan (2004−2005)
PassMark	445	465+4%
Geekbench 6 Single	—	100
Geekbench 6 Multi	—	100

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Memory & Platform

The Opteron 142 uses the 940 socket (PCIe 2.0), while the Pentium M 745 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR-333 on the Opteron 142 versus DDR2 on the Pentium M 745 — the Pentium M 745 supports -100.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Opteron 142 supports up to 8 GB of RAM compared to 2 GB — 300% more capacity for professional workloads. Memory channels: 2 (Opteron 142) vs 1 (Pentium M 745). Both provide 0 PCIe lanes.

Feature	Opteron 142	Pentium M 745
Socket	940	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR-333	DDR2
Max RAM Capacity	8 GB+300%	2 GB
RAM Channels	2+100%	1
ECC Support	Yes	No
PCIe Lanes	0	0