Atom x7405C vs Pentium Gold 7505

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 Gold 7505 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 Gold 7505: 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

✅+0.9% higher PassMark.
✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Newer platform on FCBGA1264 with DDR5 support instead of FCBGA1449 and DDR4.
✅100+% more PCIe lanes (9 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics, while Pentium Gold 7505 needs a discrete GPU.

Trade-offs

❌380% higher power demand at 12W vs 2.5W.

Pentium Gold 7505

2020

Why buy it

✅Draws 3W instead of 12W, a 10W reduction.

Trade-offs

❌Lower PassMark (5,174 vs 5,218).
❌Smaller total L3 cache (4 MB vs 6 MB).
❌Older platform position on FCBGA1449 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 Atom x7405C better than Pentium Gold 7505?

It depends on what you want from the system. For gaming, Pentium Gold 7505 is ahead with a 1.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Atom x7405C pulls ahead with 0.9% 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, Atom x7405C is the stronger fit. You are getting 0.9% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).

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

Atom x7405C still makes the most sense overall. Atom x7405C comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.9% 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 2020), a healthier platform with FCBGA1264 and DDR5 instead of FCBGA1449, 50% larger total L3 cache (6 MB vs 4 MB), and more multi-core headroom with 4 cores / 4 threads instead of 2/4. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7405C vs Pentium Gold 7505 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 Gold 7505

The Pentium Gold 7505 is manufactured by Intel. It was released in 2007-01-01. It is based on the Tiger Lake-U (2020−2021) architecture. It features 2 cores and 4 threads. Base frequency is 2 GHz, with boost up to 3.5 GHz. L3 cache: 4 MB. L2 cache: 2.5 MB. Built on 10 nm SuperFin process technology. Socket: FCBGA1449. Thermal design power (TDP): 2.5 MB + 4 MB. Memory support: DDR4. Passmark benchmark score: 5,174 points. Launch price was $69.

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Processing Power

The Atom x7405C packs 4 cores / 4 threads, while the Pentium Gold 7505 offers 2 cores / 4 threads — the Atom x7405C has 2 more cores. Boost clocks reach 3.4 GHz on the Atom x7405C versus 3.5 GHz on the Pentium Gold 7505 — a 2.9% clock advantage for the Pentium Gold 7505 (base: 1.7 GHz vs 2 GHz). The Atom x7405C uses the Amston Lake (2024−2025) architecture (10 nm), while the Pentium Gold 7505 uses Tiger Lake-U (2020−2021) (10 nm SuperFin). In PassMark, the Atom x7405C scores 5,218 against the Pentium Gold 7505's 5,174 — a 0.8% lead for the Atom x7405C. L3 cache: 6 MB (total) on the Atom x7405C vs 4 MB on the Pentium Gold 7505.

Feature	Atom x7405C	Pentium Gold 7505
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	3.4 GHz	3.5 GHz+3%
Base Clock	1.7 GHz	2 GHz+18%
L3 Cache	6 MB (total)+50%	4 MB
L2 Cache	2 MB (total)	2.5 MB+25%
Process	10 nm	10 nm SuperFin
Architecture	Amston Lake (2024−2025)	Tiger Lake-U (2020−2021)
PassMark	5,218	5,174

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Memory & Platform

The Atom x7405C uses the FCBGA1264 socket (PCIe 4.0), while the Pentium Gold 7505 uses FCBGA1449 (PCIe 4.0) — making them incompatible on the same motherboard.

Feature	Atom x7405C	Pentium Gold 7505
Socket	FCBGA1264	FCBGA1449
PCIe Generation	PCIe 4.0	PCIe 4.0
Max RAM Speed	DDR5-4800	—
Max RAM Capacity	16 GB	—
RAM Channels	1	—
ECC Support	No	—
PCIe Lanes	9	—