Atom N455 vs Pentium M 1.50

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 N455 vs Pentium M 1.50 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 N455 vs Pentium M 1.50: Pros, Cons & Final Verdict

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

Atom N455

2010

Why buy it

✅Integrated graphics onboard with Intel GMA 3150, while Pentium M 1.50 needs a discrete GPU.

Trade-offs

❌Lower PassMark (345 vs 375).
❌2033.3% higher power demand at 512W vs 24W.

Pentium M 1.50

2003

Why buy it

✅+8.7% higher PassMark.
✅Draws 24W instead of 512W, a 488W reduction.

Trade-offs

❌No integrated graphics, while Atom N455 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium M 1.50 better than Atom N455?

It depends on what you want from the system. For gaming, Atom N455 is ahead with a 0.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium M 1.50 pulls ahead with 8.7% better PassMark.

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

For streaming, content creation, and heavier multitasking, Pentium M 1.50 is the stronger fit. You are getting 8.7% better PassMark, backed by 1 cores and 1 threads.

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

Pentium M 1.50 still makes the most sense overall. Pentium M 1.50 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 8.7% better PassMark.

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

Atom N455 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2003). That makes it the safer long-term bet.

Atom N455 vs Pentium M 1.50 Technical Specifications

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

Atom N455

The Atom N455 is manufactured by Intel. It was released in 1 June 2010 (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: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 6.5 Watt. Memory support: DDR3. Passmark benchmark score: 345 points. Launch price was $64.

Pentium M 1.50

The Pentium M 1.50 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: 1.5 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: 375 points. Launch price was $69.

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Processing Power

The Atom N455 packs 1 cores / 2 threads, matching the Pentium M 1.50's 1 cores. Boost clocks reach 1.67 GHz on the Atom N455 versus 1.5 GHz on the Pentium M 1.50 — a 10.7% clock advantage for the Atom N455. The Atom N455 uses the Pinetrail (2009−2011) architecture (45 nm), while the Pentium M 1.50 uses Banias (2003) (130 nm). In PassMark, the Atom N455 scores 345 against the Pentium M 1.50's 375 — a 8.3% lead for the Pentium M 1.50. Both processors carry 0 kB of L3 cache.

Feature	Atom N455	Pentium M 1.50
Cores / Threads	1 / 2	1 / 1
Boost Clock	1.67 GHz+11%	1.5 GHz
Base Clock	1.66 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512K (per core)+51100%	1 MB
Process	45 nm-65%	130 nm
Architecture	Pinetrail (2009−2011)	Banias (2003)
PassMark	345	375+9%

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Memory & Platform

The Atom N455 uses the FCBGA559 socket (PCIe 2.0), while the Pentium M 1.50 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.