Celeron 5305U 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 5305U 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 5305U 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 5305U

2020

Why buy it

✅100+% more PCIe lanes (12 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with UHD Graphics (Comet Lake), while Pentium Gold 6405U needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,307 vs 1,320).
❌1400% higher power demand at 15W vs 1W.

Pentium Gold 6405U

2019

Why buy it

✅Draws 1W instead of 15W, a 14W reduction.

Trade-offs

❌No integrated graphics, while Celeron 5305U can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium Gold 6405U better than Celeron 5305U?

Yes. Pentium Gold 6405U is the better all-around CPU here. It gives you 1% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Pentium Gold 6405U has the edge because it leads the single-thread side of this matchup with 4.3% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Pentium Gold 6405U is the stronger fit. You are getting 1% better PassMark, backed by 2 cores and 4 threads.

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

Pentium Gold 6405U still makes the most sense overall. Pentium Gold 6405U comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1.0% higher PassMark.

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

Celeron 5305U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2020 vs 2019). That makes it the safer long-term bet.

Celeron 5305U vs Pentium Gold 6405U Technical Specifications

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

Celeron 5305U

The Celeron 5305U is manufactured by Intel. It was released in 2007-01-01. It is based on the Comet Lake-U (2019−2020) architecture. It features 2 cores and 2 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR4-2400, LPDDR3-2133. Passmark benchmark score: 1,307 points. Launch price was $69.

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.

⚡

Processing Power

The Celeron 5305U packs 2 cores / 2 threads, matching the Pentium Gold 6405U's 2 cores. Boost clocks reach 2.3 GHz on the Celeron 5305U versus 2.4 GHz on the Pentium Gold 6405U — a 4.3% clock advantage for the Pentium Gold 6405U (base: 2.3 GHz vs 2.4 GHz). Both are built on the Comet Lake-U (2019−2020) architecture using a 14 nm process. In PassMark, the Celeron 5305U scores 1,307 against the Pentium Gold 6405U's 1,320 — a 1% lead for the Pentium Gold 6405U. Both processors carry 2 MB of L3 cache.

Feature	Celeron 5305U	Pentium Gold 6405U
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.3 GHz	2.4 GHz+4%
Base Clock	2.3 GHz	2.4 GHz+4%
L3 Cache	2 MB	2 MB
L2 Cache	—	1 MB
Process	14 nm	14 nm
Architecture	Comet Lake-U (2019−2020)	Comet Lake-U (2019−2020)
PassMark	1,307	1,320
Geekbench 6 Single	480	—
Geekbench 6 Multi	865	—

🧠

Memory & Platform

Both processors use the FCBGA1528 socket with PCIe 3.0.

Feature	Celeron 5305U	Pentium Gold 6405U
Socket	FCBGA1528	FCBGA1528
PCIe Generation	PCIe 3.0	PCIe 3.0
Max RAM Speed	DDR4-2400	—
Max RAM Capacity	64 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	12	—

🔧

Advanced Features

Virtualization: VT-x, VT-d (Celeron 5305U) / not specified (Pentium Gold 6405U). The Celeron 5305U includes integrated graphics (UHD Graphics (Comet Lake)), while the Pentium Gold 6405U requires a dedicated GPU. Primary use case: Celeron 5305U targets Budget. Direct competitor: Celeron 5305U rivals Pentium Gold 6405U.