Atom x7405C vs Pentium Silver N6005

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 x7405C vs Pentium Silver N6005 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 x7405C vs Pentium Silver N6005: Pros, Cons & Final Verdict

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

Atom x7405C

2024

Why buy it

✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Newer platform on FCBGA1264 with DDR5 support instead of BGA1338 and DDR4.
✅100+% more PCIe lanes (9 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics, while Pentium Silver N6005 needs a discrete GPU.

Trade-offs

❌Lower PassMark (5,218 vs 5,253).
❌20% higher power demand at 12W vs 10W.

Pentium Silver N6005

2021

Why buy it

✅+0.7% higher PassMark.
✅Draws 10W instead of 12W, a 2W reduction.

Trade-offs

❌Smaller total L3 cache (4 MB vs 6 MB).
❌Older platform position on BGA1338 with DDR4, while Atom x7405C moves to FCBGA1264 and DDR5.
❌No integrated graphics, while Atom x7405C can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Pentium Silver N6005 better than Atom x7405C?

It depends on what you want from the system. For gaming, Atom x7405C is ahead with a 1.7% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium Silver N6005 pulls ahead with 0.7% better PassMark. Atom x7405C also has the bigger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).

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

For streaming, content creation, and heavier multitasking, Pentium Silver N6005 is the stronger fit. You are getting 0.7% better PassMark, backed by 4 cores and 4 threads.

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

Pentium Silver N6005 still makes the most sense overall. Pentium Silver N6005 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.7% better PassMark.

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

Atom x7405C makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2021), a healthier platform with FCBGA1264 and DDR5 instead of BGA1338, and 50% larger total L3 cache (6 MB vs 4 MB). That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7405C vs Pentium Silver N6005 Technical Specifications

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

Atom x7405C

The Atom x7405C is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 4 cores and 4 threads. Base frequency is 1.7 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 12 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 5,218 points. Launch price was $57.

Pentium Silver N6005

The Pentium Silver N6005 is manufactured by Intel. It was released in 2007-01-01. It is based on the Jasper Lake (2021) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.3 GHz. L3 cache: 4 MB (total). L2 cache: 1.5 MB (total). Built on 10 nm process technology. Socket: BGA1338. Thermal design power (TDP): 10 Watt. Memory support: DDR4. Passmark benchmark score: 5,253 points. Launch price was $69.

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Processing Power

Both the Atom x7405C and Pentium Silver N6005 share an identical 4-core/4-thread configuration. Boost clocks reach 3.4 GHz on the Atom x7405C versus 3.3 GHz on the Pentium Silver N6005 — a 3% clock advantage for the Atom x7405C (base: 1.7 GHz vs 2 GHz). The Atom x7405C uses the Amston Lake (2024−2025) architecture (10 nm), while the Pentium Silver N6005 uses Jasper Lake (2021) (10 nm). In PassMark, the Atom x7405C scores 5,218 against the Pentium Silver N6005's 5,253 — a 0.7% lead for the Pentium Silver N6005. L3 cache: 6 MB (total) on the Atom x7405C vs 4 MB (total) on the Pentium Silver N6005.

Feature	Atom x7405C	Pentium Silver N6005
Cores / Threads	4 / 4	4 / 4
Boost Clock	3.4 GHz+3%	3.3 GHz
Base Clock	1.7 GHz	2 GHz+18%
L3 Cache	6 MB (total)+50%	4 MB (total)
L2 Cache	2 MB (total)+33%	1.5 MB (total)
Process	10 nm	10 nm
Architecture	Amston Lake (2024−2025)	Jasper Lake (2021)
PassMark	5,218	5,253

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Memory & Platform

The Atom x7405C uses the FCBGA1264 socket (PCIe 4.0), while the Pentium Silver N6005 uses BGA1338 (PCIe 4.0) — making them incompatible on the same motherboard.