A4 PRO-3340B vs Atom D525

A4 PRO-3340B vs Atom D525 Performance Spectrum

A4 PRO-3340B

4 / 4

1,709

+0.1%

Ryzen Threadripper PRO 5945WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom D525

2 / 4

1,707

0.0%

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.

A4 PRO-3340B vs Atom D525 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.

A4 PRO-3340B vs Atom D525: Pros, Cons & Final Verdict

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

A4 PRO-3340B

2014

Why buy it

✅100+% more PCIe lanes (8 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌92.3% higher power demand at 25W vs 13W.

Atom D525

2010

Why buy it

✅Draws 13W instead of 25W, a 12W reduction.

Trade-offs

❌Lower PassMark (1,707 vs 1,709).
❌Launch MSRP is still $63 MSRP, while A4 PRO-3340B mostly shows up through inconsistent older-market listings.

Quick Answers

So, is A4 PRO-3340B better than Atom D525?

Yes. A4 PRO-3340B is the better all-around CPU here. It gives you a 1.0% average FPS lead across 50 shared CPU game tests in our data, 0.1% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, A4 PRO-3340B is the better pick. According to our tests, it delivers 1.0% 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, A4 PRO-3340B is the stronger fit. You are getting 0.1% better PassMark, backed by 4 cores and 4 threads.

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

A4 PRO-3340B is the easy recommendation for a fresh desktop build. A4 PRO-3340B comes in at an unclear MSRP at unclear MSRP versus $63 MSRP, and it still gives you a 1.0% average FPS lead across 50 shared CPU game tests in our data. Atom D525 only looks good on raw value math because it is a cheap legacy laptop chip, not because it is a real desktop gaming recommendation. It simply does not keep up in modern games, especially when the gap is already 1.0% in the shared gaming data.

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

A4 PRO-3340B makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2014 vs 2010) and more multi-core headroom with 4 cores / 4 threads instead of 2/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

A4 PRO-3340B vs Atom D525 Technical Specifications

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

A4 PRO-3340B

The A4 PRO-3340B is manufactured by AMD. It was released in 20 December 2014 (10 years ago). It is based on the Kabini (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L2 cache: 2048 kB. Built on 28 nm process technology. Socket: FT3. Thermal design power (TDP): 25 Watt. Memory support: DDR3/DDR3L-1600. Passmark benchmark score: 1,709 points. Launch price was $69.

Atom D525

The Atom D525 is manufactured by Intel. It was released in 21 June 2010 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 2 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.83 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 13 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,707 points. Launch price was $63.

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Processing Power

The A4 PRO-3340B packs 4 cores / 4 threads, while the Atom D525 offers 2 cores / 4 threads — the A4 PRO-3340B has 2 more cores. Boost clocks reach 2.2 GHz on the A4 PRO-3340B versus 1.83 GHz on the Atom D525 — a 18.4% clock advantage for the A4 PRO-3340B (base: 2.2 GHz vs 1.8 GHz). The A4 PRO-3340B uses the Kabini (2013−2014) architecture (28 nm), while the Atom D525 uses Pinetrail (2009−2011) (45 nm). In PassMark, the A4 PRO-3340B scores 1,709 against the Atom D525's 1,707 — a 0.1% lead for the A4 PRO-3340B.

Feature	A4 PRO-3340B	Atom D525
Cores / Threads	4 / 4+100%	2 / 4
Boost Clock	2.2 GHz+20%	1.83 GHz
Base Clock	2.2 GHz+22%	1.8 GHz
L3 Cache	—	0 kB
L2 Cache	2048 kB+300%	512K (per core)
Process	28 nm-38%	45 nm
Architecture	Kabini (2013−2014)	Pinetrail (2009−2011)
PassMark	1,709	1,707
Geekbench 6 Single	200	—

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Memory & Platform

The A4 PRO-3340B uses the FT3 socket (PCIe 2.0), while the Atom D525 uses FCBGA559 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1600 on the A4 PRO-3340B versus DDR3-800 on the Atom D525 — the A4 PRO-3340B supports 100% faster memory, which can translate to measurable gains in memory-sensitive workloads. The A4 PRO-3340B supports up to 16 GB of RAM compared to 4 GB — 300% more capacity for professional workloads. Both feature 1-channel memory with ECC support. PCIe lanes: 8 (A4 PRO-3340B) vs 0 (Atom D525) — the A4 PRO-3340B offers 8 more lanes for additional GPUs or NVMe drives.

Feature	A4 PRO-3340B	Atom D525
Socket	FT3	FCBGA559
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1600+100%	DDR3-800
Max RAM Capacity	16 GB+300%	4 GB
RAM Channels	1	1
ECC Support	No	No
PCIe Lanes	8	0

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Advanced Features

Virtualization: AMD-V (A4 PRO-3340B) / not specified (Atom D525). Both include integrated graphics — Radeon HD 8240 (A4 PRO-3340B) and Intel GMA 3150 (Atom D525) — useful as a fallback for troubleshooting or display output without a dedicated GPU. Primary use case: A4 PRO-3340B targets Business Laptop. Direct competitor: A4 PRO-3340B rivals Pentium N3520.