Atom E680 vs Atom Z540

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 E680 vs Atom Z540 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 E680 vs Atom Z540: Pros, Cons & Final Verdict

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

Atom E680

2010

Why buy it

✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel GMA 600, while Atom Z540 needs a discrete GPU.

Trade-offs

❌66.7% higher power demand at 4W vs 2.4W.

Atom Z540

2008

Why buy it

✅Draws 2W instead of 4W, a 2W reduction.

Trade-offs

❌Lower PassMark (305 vs 325).
❌No integrated graphics, while Atom E680 can still boot and troubleshoot without a discrete GPU.

Quick Answers

So, is Atom E680 better than Atom Z540?

Yes. Atom E680 is the better all-around CPU here. It gives you 6.6% 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, Atom E680 has the edge because it leads the single-thread side of this matchup with 2185.7% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Atom E680 is the stronger fit. You are getting 6.6% better PassMark, backed by 1 cores and 2 threads.

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

Atom E680 still makes the most sense overall. Atom E680 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 6.6% higher PassMark.

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

Atom E680 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and more multi-core headroom with 1 cores / 2 threads instead of 1/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Atom E680 vs Atom Z540 Technical Specifications

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

Atom E680

The Atom E680 is manufactured by Intel. It was released in 14 September 2010 (15 years ago). It is based on the Tunnel Creek (2010) architecture. It features 1 cores and 2 threads. Max frequency: 1.6 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: BGA676. Thermal design power (TDP): 4 Watt. Memory support: DDR2. Passmark benchmark score: 325 points. Launch price was $69.

Atom Z540

The Atom Z540 is manufactured by Intel. It was released in 2 April 2008 (17 years ago). It is based on the Silverthorne (2008−2010) architecture. It features 1 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 0.07 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 45 nm process technology. Socket: PBGA441. Thermal design power (TDP): 2.4 Watt. Passmark benchmark score: 305 points. Launch price was $160.

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Processing Power

Both the Atom E680 and Atom Z540 share an identical 1-core/2-thread configuration. Boost clocks reach 1.6 GHz on the Atom E680 versus 0.07 GHz on the Atom Z540 — a 183.2% clock advantage for the Atom E680. The Atom E680 uses the Tunnel Creek (2010) architecture (45 nm), while the Atom Z540 uses Silverthorne (2008−2010) (45 nm). In PassMark, the Atom E680 scores 325 against the Atom Z540's 305 — a 6.3% lead for the Atom E680. Both processors carry 0 kB of L3 cache.

Feature	Atom E680	Atom Z540
Cores / Threads	1 / 2	1 / 2
Boost Clock	1.6 GHz+2186%	0.07 GHz
Base Clock	—	1.86 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)	512 kB
Process	45 nm	45 nm
Architecture	Tunnel Creek (2010)	Silverthorne (2008−2010)
PassMark	325+7%	305

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Memory & Platform

The Atom E680 uses the BGA676 socket (PCIe 2.0), while the Atom Z540 uses PBGA441 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR2-800 on the Atom E680 versus DDR2-533 on the Atom Z540 — the Atom E680 supports 50.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 2 GB of RAM. Both feature 1-channel memory with ECC support. PCIe lanes: 4 (Atom E680) vs 0 (Atom Z540) — the Atom E680 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: Intel FCBGA518 (Atom E680) and Intel US15W (Atom Z540).