Athlon II Neo K145 vs Atom E3826

Athlon II Neo K145 vs Atom E3826 Performance Spectrum

Athlon II Neo K145

1 / 1

565

+3.7%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom E3826

2 / 2

545

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 Neo K145 vs Atom E3826 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 Neo K145 vs Atom E3826: 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 Neo K145

2010

Why buy it

✅Draws 1W instead of 7W, a 6W reduction.

Trade-offs

❌Launch MSRP is still $50 MSRP, while Atom E3826 mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Atom E3826 can still boot and troubleshoot without a discrete GPU.

Atom E3826

2013

Why buy it

✅100+% more PCIe lanes (4 vs 0) for storage and expansion-heavy builds.
✅Integrated graphics onboard with Intel HD Graphics (Bay Trail), while Athlon II Neo K145 needs a discrete GPU.

Trade-offs

❌Lower PassMark (545 vs 565).
❌600% higher power demand at 7W vs 1W.

Quick Answers

So, is Athlon II Neo K145 better than Atom E3826?

Yes. Athlon II Neo K145 is the better all-around CPU here. It gives you 3.7% 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 Neo K145 has the edge because it leads the single-thread side of this matchup with 22.4% higher max boost clock.

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

For streaming, content creation, and heavier multitasking, Athlon II Neo K145 is the stronger fit. You are getting 3.7% better PassMark, backed by 1 cores and 1 threads.

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

Athlon II Neo K145 is the better buy right now. Athlon II Neo K145 comes in at an unclear MSRP at $50 MSRP versus unclear MSRP, and it still gives you 3.7% higher PassMark. It is also 100.0% better value on MSRP (11.3 vs 0.0 PassMark/$), 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 E3826 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2010). That makes it the safer long-term bet.

Athlon II Neo K145 vs Atom E3826 Technical Specifications

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

Athlon II Neo K145

The Athlon II Neo K145 is manufactured by AMD. It was released in 2009-01-01. It is based on the Nile (2010) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 565 points. Launch price was $149.

Atom E3826

The Atom E3826 is manufactured by Intel. It was released in 8 October 2013 (12 years ago). It is based on the Bay Trail-I (2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.47 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 22 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 7 Watt. Memory support: DDR3. Passmark benchmark score: 545 points. Launch price was $69.

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Processing Power

The Athlon II Neo K145 packs 1 cores / 1 threads, while the Atom E3826 offers 2 cores / 2 threads — the Atom E3826 has 1 more core. Boost clocks reach 1.8 GHz on the Athlon II Neo K145 versus 1.47 GHz on the Atom E3826 — a 20.2% clock advantage for the Athlon II Neo K145. The Athlon II Neo K145 uses the Nile (2010) architecture (45 nm), while the Atom E3826 uses Bay Trail-I (2013) (22 nm). In PassMark, the Athlon II Neo K145 scores 565 against the Atom E3826's 545 — a 3.6% lead for the Athlon II Neo K145.

Feature	Athlon II Neo K145	Atom E3826
Cores / Threads	1 / 1	2 / 2+100%
Boost Clock	1.8 GHz+22%	1.47 GHz
L3 Cache	—	0 kB
L2 Cache	1 MB+100%	512 kB (per core)
Process	45 nm	22 nm-51%
Architecture	Nile (2010)	Bay Trail-I (2013)
PassMark	565+4%	545

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Memory & Platform

The Athlon II Neo K145 uses the S1 socket (PCIe 2.0), while the Atom E3826 uses FCBGA1170 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. The Atom E3826 supports up to 8 GB of RAM compared to 4 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II Neo K145) vs 4 (Atom E3826) — the Atom E3826 offers 4 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD ASB2 (Athlon II Neo K145) and Intel FCBGA1170 (Atom E3826).

Feature	Athlon II Neo K145	Atom E3826
Socket	S1	FCBGA1170
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1066	DDR3L-1066
Max RAM Capacity	4 GB	8 GB+100%
RAM Channels	2	2
ECC Support	No	Yes
PCIe Lanes	0	4