Core 2 Duo SP7500 vs Xeon E5405

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.

Core 2 Duo SP7500 vs Xeon E5405 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.

Core 2 Duo SP7500 vs Xeon E5405: Pros, Cons & Final Verdict

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

Core 2 Duo SP7500

2008

Why buy it

✅+0.7% higher PassMark.
✅Draws 4W instead of 80W, a 76W reduction.

Trade-offs

❌Less compelling for workstation-style loads than Xeon E5405, which brings 4 cores / 4 threads.

Xeon E5405

2007

Why buy it

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

Trade-offs

❌Lower PassMark (1,753 vs 1,766).
❌Launch MSRP is still $209 MSRP, while Core 2 Duo SP7500 mostly shows up through inconsistent older-market listings.
❌1900% higher power demand at 80W vs 4W.

Quick Answers

So, is Core 2 Duo SP7500 better than Xeon E5405?

Not really, because they are built for different jobs. Xeon E5405 makes more sense for workstation-style multi-core throughput, while Core 2 Duo SP7500 is the more practical desktop choice for gaming, platform cost, and everyday use.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo SP7500 is the stronger fit. You are getting 0.7% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo SP7500 is still the faster CPU overall, but Xeon E5405 is easier to justify if budget matters more than peak performance. Core 2 Duo SP7500 comes in at an unclear MSRP at unclear MSRP versus $209 MSRP, and it still gives you 0.7% better PassMark. The compromise is that Xeon E5405 is still the better pure gaming CPU with 25% higher max boost clock. Xeon E5405 is also 100.0% better value on MSRP (8.4 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Core 2 Duo SP7500 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2007) 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.

Core 2 Duo SP7500 vs Xeon E5405 Technical Specifications

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

Core 2 Duo SP7500

The Core 2 Duo SP7500 is manufactured by Intel. It was released in 2008-01-01. It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Max frequency: 1.6 GHz. L2 cache: 4 MB. Built on 65 nm process technology. Thermal design power (TDP): 4 MB. Passmark benchmark score: 1,766 points. Launch price was $249.

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.

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Processing Power

The Core 2 Duo SP7500 packs 2 cores / 2 threads, while the Xeon E5405 offers 4 cores / 4 threads — the Xeon E5405 has 2 more cores. Boost clocks reach 1.6 GHz on the Core 2 Duo SP7500 versus 2 GHz on the Xeon E5405 — a 22.2% clock advantage for the Xeon E5405. The Core 2 Duo SP7500 uses the Merom (2006−2008) architecture (65 nm), while the Xeon E5405 uses Harpertown (2007−2008) (45 nm). In PassMark, the Core 2 Duo SP7500 scores 1,766 against the Xeon E5405's 1,753 — a 0.7% lead for the Core 2 Duo SP7500.

Feature	Core 2 Duo SP7500	Xeon E5405
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	1.6 GHz	2 GHz+25%
Base Clock	—	2 GHz
L3 Cache	—	12 MB L2 Cache
L2 Cache	4 MB	6 MB (total)+50%
Process	65 nm	45 nm-31%
Architecture	Merom (2006−2008)	Harpertown (2007−2008)
PassMark	1,766	1,753