Atom N450 vs Pentium M 1.40

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 N450 vs Pentium M 1.40 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 N450 vs Pentium M 1.40: Pros, Cons & Final Verdict

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

Atom N450

2009

Why buy it

✅Integrated graphics onboard with Intel GMA 3150, while Pentium M 1.40 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Pentium M 1.40 across 47 shared CPU benchmark tests.
❌Lower PassMark (325 vs 345).
❌2033.3% higher power demand at 512W vs 24W.

Pentium M 1.40

2003

Why buy it

✅Better for gaming: +12.5% higher average FPS across 47 shared CPU benchmark tests.
✅Draws 24W instead of 512W, a 488W reduction.

Trade-offs

❌No integrated graphics, while Atom N450 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium M 1.40 better than Atom N450?

Yes. Pentium M 1.40 is the better all-around CPU here. It gives you a 12.5% average FPS lead across 47 shared CPU game tests in our data and 6.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium M 1.40 is the better pick. According to our tests, it delivers 12.5% more average FPS across 47 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Pentium M 1.40 is the stronger fit. You are getting 6.2% better PassMark, backed by 1 cores and 1 threads.

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

Pentium M 1.40 still makes the most sense overall. Pentium M 1.40 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 12.5% average FPS lead across 47 shared CPU game tests in our data.

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

Atom N450 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2003). That makes it the safer long-term bet.

Atom N450 vs Pentium M 1.40 Technical Specifications

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

Atom N450

The Atom N450 is manufactured by Intel. It was released in 21 December 2009 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.66 GHz, with boost up to 1.67 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 5.5 Watt. Memory support: DDR2. Passmark benchmark score: 325 points. Launch price was $64.

Pentium M 1.40

The Pentium M 1.40 is manufactured by Intel. It was released in 2007-01-01. It is based on the Banias (2003) architecture. It features 1 cores and 1 threads. Max frequency: 1.4 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 130 nm process technology. Socket: PGA478. Thermal design power (TDP): 24 Watt. Memory support: DDR1, DDR2. Passmark benchmark score: 345 points. Launch price was $69.

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Processing Power

The Atom N450 packs 1 cores / 2 threads, matching the Pentium M 1.40's 1 cores. Boost clocks reach 1.67 GHz on the Atom N450 versus 1.4 GHz on the Pentium M 1.40 — a 17.6% clock advantage for the Atom N450. The Atom N450 uses the Pinetrail (2009−2011) architecture (45 nm), while the Pentium M 1.40 uses Banias (2003) (130 nm). In PassMark, the Atom N450 scores 325 against the Pentium M 1.40's 345 — a 6% lead for the Pentium M 1.40. Both processors carry 0 kB of L3 cache.

Feature	Atom N450	Pentium M 1.40
Cores / Threads	1 / 2	1 / 1
Boost Clock	1.67 GHz+19%	1.4 GHz
Base Clock	1.66 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)	1 MB+100%
Process	45 nm-65%	130 nm
Architecture	Pinetrail (2009−2011)	Banias (2003)
PassMark	325	345+6%

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Memory & Platform

The Atom N450 uses the FCBGA559 socket (PCIe 2.0), while the Pentium M 1.40 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.