Athlon II Neo K345 vs Atom Z3770

Athlon II Neo K345 vs Atom Z3770 Performance Spectrum

Athlon II Neo K345

2 / 2

1,191

+0.2%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom Z3770

4 / 4

1,189

0.0%

Atom E3827

Celeron B820

Celeron P4505

Celeron Dual-Core T1700

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 K345 vs Atom Z3770 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 K345 vs Atom Z3770: 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 K345

2010

Why buy it

✅+0.2% higher PassMark.
✅Draws 1W instead of 8W, a 7W reduction.

Trade-offs

❌Launch MSRP is still $50 MSRP, while Atom Z3770 mostly shows up through inconsistent older-market listings.
❌No integrated graphics, while Atom Z3770 can still boot and troubleshoot without a discrete GPU.

Atom Z3770

2013

Why buy it

✅Integrated graphics onboard with Intel HD Graphics (Bay Trail), while Athlon II Neo K345 needs a discrete GPU.

Trade-offs

❌Lower PassMark (1,189 vs 1,191).
❌700% higher power demand at 8W vs 1W.

Quick Answers

So, is Athlon II Neo K345 better than Atom Z3770?

It depends on what you want from the system. For gaming, Atom Z3770 is ahead with a 0.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon II Neo K345 pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon II Neo K345 is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II Neo K345 is the better buy right now. Athlon II Neo K345 comes in at an unclear MSRP at $50 MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark. The compromise is that Atom Z3770 is still the better pure gaming CPU with a 0.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (23.8 vs 0.0 PassMark/$), 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 Z3770 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 K345 vs Atom Z3770 Technical Specifications

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

Athlon II Neo K345

The Athlon II Neo K345 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.4 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: 1,191 points. Launch price was $149.

Atom Z3770

The Atom Z3770 is manufactured by Intel. It was released in 27 September 2013 (12 years ago). It is based on the Bay Trail-T (2013−2014) architecture. It features 4 cores and 4 threads. Base frequency is 1.46 GHz, with boost up to 2.39 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 22 nm process technology. Socket: UTFCBGA1380. Thermal design power (TDP): 8 Watt. Memory support: DDR3. Passmark benchmark score: 1,189 points. Launch price was $37.

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Processing Power

The Athlon II Neo K345 packs 2 cores / 2 threads, while the Atom Z3770 offers 4 cores / 4 threads — the Atom Z3770 has 2 more cores. Boost clocks reach 1.4 GHz on the Athlon II Neo K345 versus 2.39 GHz on the Atom Z3770 — a 52.2% clock advantage for the Atom Z3770. The Athlon II Neo K345 uses the Champlain (2010−2011) architecture (45 nm), while the Atom Z3770 uses Bay Trail-T (2013−2014) (22 nm). In PassMark, the Athlon II Neo K345 scores 1,191 against the Atom Z3770's 1,189 — a 0.2% lead for the Athlon II Neo K345.

Feature	Athlon II Neo K345	Atom Z3770
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	1.4 GHz	2.39 GHz+71%
Base Clock	—	1.46 GHz
L3 Cache	—	0 kB
L2 Cache	1 MB	512K (per core)+51100%
Process	45 nm	22 nm-51%
Architecture	Champlain (2010−2011)	Bay Trail-T (2013−2014)
PassMark	1,191	1,189

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Memory & Platform

The Athlon II Neo K345 uses the S1 socket (PCIe 2.0), while the Atom Z3770 uses UTFCBGA1380 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR3-1066 memory speed. Both support up to 4 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AMD ASB2 (Athlon II Neo K345) and Intel FC-UTBGA592 (Atom Z3770).