Xeon E5405 vs Xeon L5335

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.

Xeon E5405 vs Xeon L5335 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.

Xeon E5405 vs Xeon L5335: Pros, Cons & Final Verdict

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

Xeon E5405

2007

Why buy it

✅Better for gaming: +4.6% higher average FPS across 50 shared CPU benchmark tests.
✅+50% larger total L3 cache (12 MB vs 8 MB).
✅Costs $171 less on MSRP ($209 MSRP vs $380 MSRP).
✅Delivers 83.5% more PassMark for each dollar spent, at 8.4 vs 4.6 PassMark/$ ($209 MSRP vs $380 MSRP).

Trade-offs

❌60% higher power demand at 80W vs 50W.

Xeon L5335

2007

Why buy it

✅Draws 50W instead of 80W, a 30W reduction.

Trade-offs

❌Worse for gaming: lower average FPS than Xeon E5405 across 50 shared CPU benchmark tests.
❌Lower PassMark (1,737 vs 1,753).
❌Smaller total L3 cache (8 MB vs 12 MB).
❌Lower PassMark per dollar, at 4.6 vs 8.4 PassMark/$ ($380 MSRP vs $209 MSRP).

Quick Answers

So, is Xeon E5405 better than Xeon L5335?

Yes. Xeon E5405 is the better all-around CPU here. It gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data, 0.9% 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, Xeon E5405 is the better pick. According to our tests, it delivers 4.6% 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, Xeon E5405 is the stronger fit. You are getting 0.9% better PassMark, backed by 4 cores and 4 threads. It also has the larger cache pool with 50% larger total L3 cache (12 MB vs 8 MB).

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

Xeon E5405 is the better buy right now. Xeon E5405 comes in $171 cheaper on MSRP at $209 MSRP versus $380 MSRP, and it still gives you a 4.6% average FPS lead across 50 shared CPU game tests in our data. It is also 83.5% better value on MSRP (8.4 vs 4.6 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Xeon E5405 makes more sense long term for 2026 and beyond. You are getting 50% larger total L3 cache (12 MB vs 8 MB) and more multi-core headroom with 4 cores / 4 threads instead of 4/4. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Xeon E5405 vs Xeon L5335 Technical Specifications

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

Xeon E5405

The Xeon E5405 is manufactured by Intel. It was released in 11 November 2007 (18 years ago). It is based on the Harpertown (2007−2008) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 12 MB L2 Cache. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA771. Thermal design power (TDP): 80 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,753 points. Launch price was $209.

Xeon L5335

The Xeon L5335 is manufactured by Intel. It was released in 13 August 2007 (18 years ago). It is based on the Clovertown (2006−2007) architecture. It features 4 cores and 4 threads. Base frequency is 2 GHz, with boost up to 2 GHz. L3 cache: 8 MB L2 Cache. L2 cache: 4 MB (total). Built on 65 nm process technology. Socket: LGA771. Thermal design power (TDP): 50 Watt. Memory support: DDR2, DDR3 Depends on motherboard. Passmark benchmark score: 1,737 points. Launch price was $380.

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Processing Power

Both the Xeon E5405 and Xeon L5335 share an identical 4-core/4-thread configuration. Boost clocks reach 2 GHz on the Xeon E5405 versus 2 GHz on the Xeon L5335 — identical boost frequencies (base: 2 GHz vs 2 GHz). The Xeon E5405 uses the Harpertown (2007−2008) architecture (45 nm), while the Xeon L5335 uses Clovertown (2006−2007) (65 nm). In PassMark, the Xeon E5405 scores 1,753 against the Xeon L5335's 1,737 — a 0.9% lead for the Xeon E5405. L3 cache: 12 MB L2 Cache on the Xeon E5405 vs 8 MB L2 Cache on the Xeon L5335.

Feature	Xeon E5405	Xeon L5335
Cores / Threads	4 / 4	4 / 4
Boost Clock	2 GHz	2 GHz
Base Clock	2 GHz	2 GHz
L3 Cache	12 MB L2 Cache+50%	8 MB L2 Cache
L2 Cache	6 MB (total)+50%	4 MB (total)
Process	45 nm-31%	65 nm
Architecture	Harpertown (2007−2008)	Clovertown (2006−2007)
PassMark	1,753	1,737

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Memory & Platform

Both processors use the LGA771 socket with PCIe 2.0.

Feature	Xeon E5405	Xeon L5335
Socket	LGA771	LGA771
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR2-667	—
Max RAM Capacity	32 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: VT-x (Xeon E5405) / not specified (Xeon L5335). Primary use case: Xeon E5405 targets Server.

Feature	Xeon E5405	Xeon L5335
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	VT-x	—
Target Use	Server	—

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Value Analysis

At launch, the Xeon E5405 was priced at $209, while the Xeon L5335 came in at $380. On launch pricing ($209 vs $380), Xeon E5405 was $171 cheaper. In terms of value on MSRP (PassMark points per dollar), the Xeon E5405 delivers 8.4 pts/$ vs 4.6 pts/$ for the Xeon L5335 — making the Xeon E5405 the 58.9% better value option.

Feature	Xeon E5405	Xeon L5335
MSRP	$209-45%	$380
Performance per Dollar	8.4+83%	4.6
Release Date	2007	2007

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