Pentium Gold 6405U vs Xeon 5148

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.

Pentium Gold 6405U vs Xeon 5148 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.

Pentium Gold 6405U vs Xeon 5148: Pros, Cons & Final Verdict

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

Pentium Gold 6405U

2019

Why buy it

✅Draws 1W instead of 40W, a 39W reduction.

Trade-offs

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

Xeon 5148

2006

Why buy it

Trade-offs

❌Lower PassMark (1,315 vs 1,320).
❌3900% higher power demand at 40W vs 1W.

Quick Answers

So, is Pentium Gold 6405U better than Xeon 5148?

Not really, because they are built for different jobs. Xeon 5148 makes more sense for workstation-style multi-core throughput, while Pentium Gold 6405U 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 Gold 6405U is the better pick. According to our tests, it delivers 0.2% more average FPS across 17 shared CPU game tests.

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 0.4% 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 a 0.2% average FPS lead across 17 shared CPU game tests in our data.

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 2006) and more multi-core headroom with 2 cores / 4 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Pentium Gold 6405U vs Xeon 5148 Technical Specifications

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

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.

Xeon 5148

The Xeon 5148 is manufactured by Intel. It was released in Junho 2006 (19 years ago). It is based on the Woodcrest (2006) architecture. It features 2 cores and 2 threads. Max frequency: 2.33 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 40 Watt. Memory support: DDR2. Passmark benchmark score: 1,315 points. Launch price was $9.

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Processing Power

The Pentium Gold 6405U packs 2 cores / 4 threads, matching the Xeon 5148's 2 cores. Boost clocks reach 2.4 GHz on the Pentium Gold 6405U versus 2.33 GHz on the Xeon 5148 — a 3% clock advantage for the Pentium Gold 6405U. The Pentium Gold 6405U uses the Comet Lake-U (2019−2020) architecture (14 nm), while the Xeon 5148 uses Woodcrest (2006) (65 nm). In PassMark, the Pentium Gold 6405U scores 1,320 against the Xeon 5148's 1,315 — a 0.4% lead for the Pentium Gold 6405U. L3 cache: 2 MB on the Pentium Gold 6405U vs 0 kB on the Xeon 5148.

Feature	Pentium Gold 6405U	Xeon 5148
Cores / Threads	2 / 4	2 / 2
Boost Clock	2.4 GHz+3%	2.33 GHz
Base Clock	2.4 GHz	—
L3 Cache	2 MB	0 kB
L2 Cache	1 MB	4 MB+300%
Process	14 nm-78%	65 nm
Architecture	Comet Lake-U (2019−2020)	Woodcrest (2006)
PassMark	1,320	1,315

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Memory & Platform

The Pentium Gold 6405U uses the FCBGA1528 socket (PCIe 3.0), while the Xeon 5148 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.