Atom x7405C vs Opteron 6272

Atom x7405C vs Opteron 6272 Performance Spectrum

Atom x7405C

4 / 4

5,218

0.0%

5,240

+0.4%

Ryzen Threadripper PRO 3975WX

Ryzen Threadripper PRO 7965WX

About PassMark

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 Opteron 6272 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 Opteron 6272: 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

✅Draws 12W instead of 115W, a 103W reduction.
✅Newer platform on FCBGA1264 with DDR5 support instead of G34 and older memory support.
✅100+% more PCIe lanes (9 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel UHD Graphics, while Opteron 6272 needs a discrete GPU.

Trade-offs

❌Worse for gaming: lower average FPS than Opteron 6272 across 50 shared CPU benchmark tests.
❌Lower PassMark (5,218 vs 5,240).
❌Smaller total L3 cache (6 MB vs 8 MB).
❌Less compelling for workstation-style loads than Opteron 6272, which brings 16 cores / 16 threads.

Opteron 6272

2011

Why buy it

✅Better for gaming: +27.8% higher average FPS across 50 shared CPU benchmark tests.
✅+33.3% larger total L3 cache (8 MB vs 6 MB).
✅Better for workstations and heavier parallel workloads: 16 cores / 16 threads.

Trade-offs

❌Launch MSRP is still $523 MSRP, while Atom x7405C mostly shows up through inconsistent older-market listings.
❌858.3% higher power demand at 115W vs 12W.
❌Older platform position on G34, 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 Opteron 6272 better than Atom x7405C?

Not really, because they are built for different jobs. Opteron 6272 makes more sense for workstation-style multi-core throughput, while Atom x7405C is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Opteron 6272 is the better pick. According to our tests, it delivers 27.8% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Opteron 6272 is the stronger fit. You are getting 0.4% better PassMark, backed by 16 cores and 16 threads. It also has the larger cache pool with 33.3% larger total L3 cache (8 MB vs 6 MB).

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

Opteron 6272 is the better buy right now. Opteron 6272 comes in at an unclear MSRP at $523 MSRP versus unclear MSRP, and it still gives you a 27.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (10.0 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Atom x7405C makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2024 vs 2011) and a healthier platform with FCBGA1264 and DDR5 instead of G34. That gives you a healthier platform runway for motherboard, RAM, and later CPU upgrades.

Atom x7405C vs Opteron 6272 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.

Opteron 6272

The Opteron 6272 is manufactured by AMD. It was released in 14 November 2011 (14 years ago). It is based on the Interlagos (2011−2012) architecture. It features 16 cores and 16 threads. Base frequency is 2.1 GHz, with boost up to 3 GHz. L3 cache: 8 MB (total). L2 cache: 8.00391 MB (per core). Built on 32 nm process technology. Socket: G34. Thermal design power (TDP): 115 Watt. Memory support: DDR3. Passmark benchmark score: 5,240 points. Launch price was $325.

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Processing Power

The Atom x7405C packs 4 cores / 4 threads, while the Opteron 6272 offers 16 cores / 16 threads — the Opteron 6272 has 12 more cores. Boost clocks reach 3.4 GHz on the Atom x7405C versus 3 GHz on the Opteron 6272 — a 12.5% clock advantage for the Atom x7405C (base: 1.7 GHz vs 2.1 GHz). The Atom x7405C uses the Amston Lake (2024−2025) architecture (10 nm), while the Opteron 6272 uses Interlagos (2011−2012) (32 nm). In PassMark, the Atom x7405C scores 5,218 against the Opteron 6272's 5,240 — a 0.4% lead for the Opteron 6272. L3 cache: 6 MB (total) on the Atom x7405C vs 8 MB (total) on the Opteron 6272.

Feature	Atom x7405C	Opteron 6272
Cores / Threads	4 / 4	16 / 16+300%
Boost Clock	3.4 GHz+13%	3 GHz
Base Clock	1.7 GHz	2.1 GHz+24%
L3 Cache	6 MB (total)	8 MB (total)+33%
L2 Cache	2 MB (total)	8.00391 MB (per core)+300%
Process	10 nm-69%	32 nm
Architecture	Amston Lake (2024−2025)	Interlagos (2011−2012)
PassMark	5,218	5,240

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Memory & Platform

The Atom x7405C uses the FCBGA1264 socket (PCIe 4.0), while the Opteron 6272 uses G34 (PCIe 2.0) — making them incompatible on the same motherboard.