Athlon II X3 400e vs Atom Z2580

Athlon II X3 400e vs Atom Z2580 Performance Spectrum

Athlon II X3 400e

3 / 3

1,320

+1.3%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom Z2580

2 / 4

1,303

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.

Athlon II X3 400e vs Atom Z2580 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.

Athlon II X3 400e vs Atom Z2580: Pros, Cons & Final Verdict

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

Athlon II X3 400e

2009

Why buy it

Trade-offs

❌Launch MSRP is still $100 MSRP, while Atom Z2580 mostly shows up through inconsistent older-market listings.
❌1400% higher power demand at 45W vs 3W.
❌No integrated graphics, while Atom Z2580 can still boot and troubleshoot without a discrete GPU.

Atom Z2580

2013

Why buy it

✅Draws 3W instead of 45W, a 42W reduction.
✅Integrated graphics onboard with PowerVR SGX544MP2, while Athlon II X3 400e needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,303 vs 1,320).

Quick Answers

So, is Athlon II X3 400e better than Atom Z2580?

Yes. Athlon II X3 400e is the better all-around CPU here. It gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data and 1.3% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon II X3 400e is the better pick. According to our tests, it delivers 0.8% 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, Athlon II X3 400e is the stronger fit. You are getting 1.3% better PassMark, backed by 3 cores and 3 threads.

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

Athlon II X3 400e is the better buy right now. Athlon II X3 400e comes in at an unclear MSRP at $100 MSRP versus unclear MSRP, and it still gives you a 0.8% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (13.2 vs 0.0 PassMark/$), 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 Z2580 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2009). That makes it the safer long-term bet.

Athlon II X3 400e vs Atom Z2580 Technical Specifications

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

Athlon II X3 400e

The Athlon II X3 400e is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,320 points. Launch price was $107.

Atom Z2580

The Atom Z2580 is manufactured by Intel. It was released in 27 February 2013 (12 years ago). It is based on the Clovertrail (2013) architecture. It features 2 cores and 4 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 32 nm process technology. Socket: FC-MB4760. Thermal design power (TDP): 3 Watt. Memory support: DDR2. Passmark benchmark score: 1,303 points. Launch price was $69.

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Processing Power

The Athlon II X3 400e packs 3 cores / 3 threads, while the Atom Z2580 offers 2 cores / 4 threads — the Athlon II X3 400e has 1 more core. Boost clocks reach 2.2 GHz on the Athlon II X3 400e versus 2 GHz on the Atom Z2580 — a 9.5% clock advantage for the Athlon II X3 400e. The Athlon II X3 400e uses the Rana (2009−2011) architecture (45 nm), while the Atom Z2580 uses Clovertrail (2013) (32 nm). In PassMark, the Athlon II X3 400e scores 1,320 against the Atom Z2580's 1,303 — a 1.3% lead for the Athlon II X3 400e. Both processors carry 0 kB of L3 cache.

Feature	Athlon II X3 400e	Atom Z2580
Cores / Threads	3 / 3+50%	2 / 4
Boost Clock	2.2 GHz+10%	2 GHz
Base Clock	2.2 GHz	—
L3 Cache	0 kB	0 kB
L2 Cache	512 kB (per core)	512K (per core)
Process	45 nm	32 nm-29%
Architecture	Rana (2009−2011)	Clovertrail (2013)
PassMark	1,320+1%	1,303

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Memory & Platform

The Athlon II X3 400e uses the AM3 socket (PCIe 2.0), while the Atom Z2580 uses FC-MB4760 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 400e versus LPDDR2-1066 on the Atom Z2580 — the Athlon II X3 400e supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 400e supports up to 32 GB of RAM compared to 2 GB — 1500% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AMD AM3 (Athlon II X3 400e) and Intel BGA1264 (Atom Z2580).

Feature	Athlon II X3 400e	Atom Z2580
Socket	AM3	FC-MB4760
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	DDR3-1333+25%	LPDDR2-1066
Max RAM Capacity	32 GB+1500%	2 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	0