Athlon II P320 vs Xeon L5408

Athlon II P320 vs Xeon L5408 Performance Spectrum

Athlon II P320

2 / 2

1,776

+0.4%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Xeon L5408

4 / 4

1,769

0.0%

Pentium Dual-Core E2200

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 P320 vs Xeon L5408 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 P320 vs Xeon L5408: 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 P320

2010

Why buy it

✅Draws 1W instead of 40W, a 39W reduction.

Trade-offs

❌Less compelling for workstation-style loads than Xeon L5408, which brings 4 cores / 4 threads.
❌Launch MSRP is still $50 MSRP, while Xeon L5408 mostly shows up through inconsistent older-market listings.

Xeon L5408

2008

Why buy it

✅Better for workstations and heavier parallel workloads: 4 cores / 4 threads.

Trade-offs

❌Lower PassMark (1,769 vs 1,776).
❌3900% higher power demand at 40W vs 1W.

Quick Answers

So, is Athlon II P320 better than Xeon L5408?

Not really, because they are built for different jobs. Xeon L5408 makes more sense for workstation-style multi-core throughput, while Athlon II P320 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Athlon II P320 is the better pick. According to our tests, it delivers 0.4% 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 P320 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II P320 is the better buy right now. Athlon II P320 comes in at an unclear MSRP at $50 MSRP versus unclear MSRP, and it still gives you a 0.4% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (35.5 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon II P320 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and more multi-core headroom with 2 cores / 2 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon II P320 vs Xeon L5408 Technical Specifications

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

Athlon II P320

The Athlon II P320 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: 2.1 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1g4. Thermal design power (TDP): 1 MB. Passmark benchmark score: 1,776 points. Launch price was $149.

Xeon L5408

The Xeon L5408 is manufactured by Intel. It was released in 2015-01-01. It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2.133 GHz, with boost up to 0.13 GHz. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 40 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,769 points. Launch price was $800.

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Processing Power

The Athlon II P320 packs 2 cores / 2 threads, while the Xeon L5408 offers 4 cores / 4 threads — the Xeon L5408 has 2 more cores. Boost clocks reach 2.1 GHz on the Athlon II P320 versus 0.13 GHz on the Xeon L5408 — a 176.7% clock advantage for the Athlon II P320. The Athlon II P320 uses the Champlain (2010−2011) architecture (45 nm), while the Xeon L5408 uses Harpertown (2007−2008) (45 nm). In PassMark, the Athlon II P320 scores 1,776 against the Xeon L5408's 1,769 — a 0.4% lead for the Athlon II P320.

Feature	Athlon II P320	Xeon L5408
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	2.1 GHz+1515%	0.13 GHz
Base Clock	—	2.133 GHz
L2 Cache	1 MB	6 MB (total)+500%
Process	45 nm	45 nm
Architecture	Champlain (2010−2011)	Harpertown (2007−2008)
PassMark	1,776	1,769
Geekbench 6 Single	189	—
Geekbench 6 Multi	308	—

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Memory & Platform

The Athlon II P320 uses the S1g4 socket (PCIe 2.0), while the Xeon L5408 uses LGA771 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Athlon II P320	Xeon L5408
Socket	S1g4	LGA771
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1066	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: AMD-V (Athlon II P320) / not specified (Xeon L5408). Primary use case: Athlon II P320 targets Laptop. Direct competitor: Athlon II P320 rivals Pentium P6000.