Athlon 64 X2 4200+ vs Phenom II X3 N850

Athlon 64 X2 4200+ vs Phenom II X3 N850 Performance Spectrum

Athlon 64 X2 4200+

2 / 2

1,255

+0.2%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Phenom II X3 N850

3 / 3

1,253

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 64 X2 4200+ vs Phenom II X3 N850 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 64 X2 4200+ vs Phenom II X3 N850: Pros, Cons & Final Verdict

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

Athlon 64 X2 4200+

2006

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌Launch MSRP is still $581 MSRP, while Phenom II X3 N850 mostly shows up through inconsistent older-market listings.
❌5833.3% higher power demand at 89W vs 1.5W.

Phenom II X3 N850

2010

Why buy it

✅Draws 2W instead of 89W, a 88W reduction.

Trade-offs

❌Lower PassMark (1,253 vs 1,255).

Quick Answers

So, is Athlon 64 X2 4200+ better than Phenom II X3 N850?

Yes. Athlon 64 X2 4200+ is the better all-around CPU here. It gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data and 0.2% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

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

For streaming, content creation, and heavier multitasking, Athlon 64 X2 4200+ 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 64 X2 4200+ is the better buy right now. Athlon 64 X2 4200+ comes in at an unclear MSRP at $581 MSRP versus unclear MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (2.2 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Phenom II X3 N850 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2006). That makes it the safer long-term bet.

Athlon 64 X2 4200+ vs Phenom II X3 N850 Technical Specifications

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

Athlon 64 X2 4200+

The Athlon 64 X2 4200+ is manufactured by AMD. It was released in Dezembro 2006 (19 years ago). It is based on the Manchester (2005−2006) architecture. It features 2 cores and 2 threads. Max frequency: 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 90 nm process technology. Socket: 939. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 1,255 points. Launch price was $309.

Phenom II X3 N850

The Phenom II X3 N850 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 3 cores and 3 threads. Max frequency: 2.2 GHz. L2 cache: 1.5 MB. Built on 45 nm process technology. Socket: S1g4. Thermal design power (TDP): 1.5 MB. Memory support: DDR3. Passmark benchmark score: 1,253 points. Launch price was $149.

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Processing Power

The Athlon 64 X2 4200+ packs 2 cores / 2 threads, while the Phenom II X3 N850 offers 3 cores / 3 threads — the Phenom II X3 N850 has 1 more core. Boost clocks reach 2.2 GHz on the Athlon 64 X2 4200+ versus 2.2 GHz on the Phenom II X3 N850 — identical boost frequencies. The Athlon 64 X2 4200+ uses the Manchester (2005−2006) architecture (90 nm), while the Phenom II X3 N850 uses Champlain (2010−2011) (45 nm). In PassMark, the Athlon 64 X2 4200+ scores 1,255 against the Phenom II X3 N850's 1,253 — a 0.2% lead for the Athlon 64 X2 4200+.

Feature	Athlon 64 X2 4200+	Phenom II X3 N850
Cores / Threads	2 / 2	3 / 3+50%
Boost Clock	2.2 GHz	2.2 GHz
L3 Cache	0 kB	—
L2 Cache	512 kB	1.5 MB+200%
Process	90 nm	45 nm-50%
Architecture	Manchester (2005−2006)	Champlain (2010−2011)
PassMark	1,255	1,253

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Memory & Platform

The Athlon 64 X2 4200+ uses the 939 socket (PCIe 1.1), while the Phenom II X3 N850 uses S1g4 (PCIe 2.0) — making them incompatible on the same motherboard.