Athlon 64 X2 3800+ vs Athlon II Neo K325

Athlon 64 X2 3800+ vs Athlon II Neo K325 Performance Spectrum

Athlon 64 X2 3800+

2 / 2

1,095

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Athlon II Neo K325

2 / 2

1,111

+1.5%

Mobile Athlon 64 3700+

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 3800+ vs Athlon II Neo K325 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 3800+ vs Athlon II Neo K325: 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 3800+

2005

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Athlon II Neo K325 across 47 shared CPU benchmark tests.
❌Lower PassMark (1,095 vs 1,111).
❌Lower PassMark per dollar, at 3.1 vs 18.5 PassMark/$ ($354 MSRP vs $60 MSRP).
❌8800% higher power demand at 89W vs 1W.

Athlon II Neo K325

2010

Why buy it

✅Better for gaming: +3.4% higher average FPS across 47 shared CPU benchmark tests.
✅Costs $294 less on MSRP ($60 MSRP vs $354 MSRP).
✅Delivers 498.6% more PassMark for each dollar spent, at 18.5 vs 3.1 PassMark/$ ($60 MSRP vs $354 MSRP).
✅Draws 1W instead of 89W, a 88W reduction.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Quick Answers

So, is Athlon II Neo K325 better than Athlon 64 X2 3800+?

Yes. Athlon II Neo K325 is the better all-around CPU here. It gives you a 3.4% average FPS lead across 47 shared CPU game tests in our data, 1.5% 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, Athlon II Neo K325 is the better pick. According to our tests, it delivers 3.4% more average FPS across 47 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Athlon II Neo K325 is the stronger fit. You are getting 1.5% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II Neo K325 is the better buy right now. Athlon II Neo K325 comes in $294 cheaper on MSRP at $60 MSRP versus $354 MSRP, and it still gives you a 3.4% average FPS lead across 47 shared CPU game tests in our data. It is also 498.6% better value on MSRP (18.5 vs 3.1 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon II Neo K325 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2005) and more multi-core headroom with 2 cores / 2 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon 64 X2 3800+ vs Athlon II Neo K325 Technical Specifications

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

Athlon 64 X2 3800+

The Athlon 64 X2 3800+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Manchester (2005−2006) architecture. It features 2 cores and 2 threads. Max frequency: 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: 1,095 points. Launch price was $149.

Athlon II Neo K325

The Athlon II Neo K325 is manufactured by AMD. It was released in 2009-01-01. It is based on the Geneva (2010) architecture. It features 2 cores and 2 threads. Max frequency: 1.3 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: 1,111 points. Launch price was $149.

⚡

Processing Power

Both the Athlon 64 X2 3800+ and Athlon II Neo K325 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Athlon 64 X2 3800+ versus 1.3 GHz on the Athlon II Neo K325 — a 42.4% clock advantage for the Athlon 64 X2 3800+. The Athlon 64 X2 3800+ uses the Manchester (2005−2006) architecture (90 nm), while the Athlon II Neo K325 uses Geneva (2010) (45 nm). In PassMark, the Athlon 64 X2 3800+ scores 1,095 against the Athlon II Neo K325's 1,111 — a 1.5% lead for the Athlon II Neo K325.

Feature	Athlon 64 X2 3800+	Athlon II Neo K325
Cores / Threads	2 / 2	2 / 2
Boost Clock	2 GHz+54%	1.3 GHz
L3 Cache	0 kB	—
L2 Cache	512 kB	1 MB+100%
Process	90 nm	45 nm-50%
Architecture	Manchester (2005−2006)	Geneva (2010)
PassMark	1,095	1,111+1%
Geekbench 6 Single	—	736
Geekbench 6 Multi	—	1,235

🧠

Memory & Platform

The Athlon 64 X2 3800+ uses the 939 socket (PCIe 1.1), while the Athlon II Neo K325 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard. Both support up to DDR2-800 memory speed. The Athlon 64 X2 3800+ supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AMD AM2 (Athlon 64 X2 3800+) and M880G (Athlon II Neo K325).

Feature	Athlon 64 X2 3800+	Athlon II Neo K325
Socket	939	S1
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR2-800	DDR3-800
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	0

🔧

Advanced Features

Virtualization: not specified (Athlon 64 X2 3800+) / AMD-V (Athlon II Neo K325). Primary use case: Athlon II Neo K325 targets Low Power.

Feature	Athlon 64 X2 3800+	Athlon II Neo K325
Integrated GPU	No	No
Unlocked	—	No
AVX-512	—	No
Virtualization	—	AMD-V
Target Use	—	Low Power

💰

Value Analysis

At launch, the Athlon 64 X2 3800+ was priced at $354, while the Athlon II Neo K325 came in at $60. On launch pricing ($354 vs $60), Athlon II Neo K325 was $294 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon 64 X2 3800+ delivers 3.1 pts/$ vs 18.5 pts/$ for the Athlon II Neo K325 — making the Athlon II Neo K325 the 142.7% better value option.

Feature	Athlon 64 X2 3800+	Athlon II Neo K325
MSRP	$354	$60-83%
Performance per Dollar	3.1	18.5+497%
Release Date	2005	2010

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