Celeron M 743 vs Pentium Gold 6405U

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.

Celeron M 743 vs Pentium Gold 6405U 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.

Celeron M 743 vs Pentium Gold 6405U: Pros, Cons & Final Verdict

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

Celeron M 743

2009

Why buy it

✅+0.3% higher PassMark.

Trade-offs

❌Launch MSRP is still $107 MSRP, while Pentium Gold 6405U mostly shows up through inconsistent older-market listings.

Pentium Gold 6405U

2019

Why buy it

Trade-offs

❌Lower PassMark (1,320 vs 1,324).

Quick Answers

So, is Celeron M 743 better than Pentium Gold 6405U?

It depends on what you want from the system. For gaming, Pentium Gold 6405U is ahead with a 1.4% average FPS lead across 46 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron M 743 pulls ahead with 0.3% better PassMark.

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

For streaming, content creation, and heavier multitasking, Celeron M 743 is the stronger fit. You are getting 0.3% better PassMark, backed by 1 cores and 1 threads.

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

Celeron M 743 is the better buy right now. Celeron M 743 comes in at an unclear MSRP at $107 MSRP versus unclear MSRP, and it still gives you 0.3% better PassMark. The compromise is that Pentium Gold 6405U is still the better pure gaming CPU with a 1.4% average FPS lead across 46 shared CPU game tests in our data. It is also 100.0% better value on MSRP (12.4 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Pentium Gold 6405U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2019 vs 2009). That makes it the safer long-term bet.

Celeron M 743 vs Pentium Gold 6405U Technical Specifications

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

Celeron M 743

The Celeron M 743 is manufactured by Intel. It was released in 1 September 2009 (16 years ago). It is based on the Penryn (2008−2011) architecture. It features 1 cores and 1 threads. Max frequency: 1.3 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: BGA965. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,324 points. Launch price was $107.

Pentium Gold 6405U

The Pentium Gold 6405U is manufactured by Intel. It was released in 31 October 2019 (6 years ago). It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.4 GHz. L3 cache: 2 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4. Passmark benchmark score: 1,320 points. Launch price was $161.

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Processing Power

The Celeron M 743 packs 1 cores / 1 threads, while the Pentium Gold 6405U offers 2 cores / 4 threads — the Pentium Gold 6405U has 1 more core. Boost clocks reach 1.3 GHz on the Celeron M 743 versus 2.4 GHz on the Pentium Gold 6405U — a 59.5% clock advantage for the Pentium Gold 6405U. The Celeron M 743 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium Gold 6405U uses Comet Lake-U (2019−2020) (14 nm). In PassMark, the Celeron M 743 scores 1,324 against the Pentium Gold 6405U's 1,320 — a 0.3% lead for the Celeron M 743.

Feature	Celeron M 743	Pentium Gold 6405U
Cores / Threads	1 / 1	2 / 4+100%
Boost Clock	1.3 GHz	2.4 GHz+85%
Base Clock	—	2.4 GHz
L3 Cache	—	2 MB
L2 Cache	1 MB	1 MB
Process	45 nm	14 nm-69%
Architecture	Penryn (2008−2011)	Comet Lake-U (2019−2020)
PassMark	1,324	1,320

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Memory & Platform

The Celeron M 743 uses the BGA965 socket (PCIe 1.1), while the Pentium Gold 6405U uses FCBGA1528 (PCIe 3.0) — making them incompatible on the same motherboard.