Core 2 Extreme X9000 vs Xeon L3406

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 Extreme X9000 vs Xeon L3406 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 Extreme X9000 vs Xeon L3406: 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 Extreme X9000

2008

Why buy it

✅+50% larger total L3 cache (6 MB vs 4 MB).
✅Draws 6W instead of 30W, a 24W reduction.

Trade-offs

❌Less compelling for workstation-style loads than Xeon L3406, which brings 2 cores / 4 threads.

Xeon L3406

2010

Why buy it

✅Better for workstations and heavier parallel workloads: 2 cores / 4 threads.

Trade-offs

❌Lower PassMark (1,104 vs 1,108).
❌Smaller total L3 cache (4 MB vs 6 MB).
❌Launch MSRP is still $189 MSRP, while Core 2 Extreme X9000 mostly shows up through inconsistent older-market listings.
❌400% higher power demand at 30W vs 6W.

Quick Answers

So, is Core 2 Extreme X9000 better than Xeon L3406?

Not really, because they are built for different jobs. Xeon L3406 makes more sense for workstation-style multi-core throughput, while Core 2 Extreme X9000 is the more practical desktop choice for gaming, platform cost, and everyday use.

Which one is better for gaming?

If gaming is the priority, Core 2 Extreme X9000 is the better pick. According to our tests, it delivers 0.1% 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, Core 2 Extreme X9000 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads. It also has the larger cache pool with 50% larger total L3 cache (6 MB vs 4 MB).

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

Core 2 Extreme X9000 is still the faster CPU overall, but Xeon L3406 is easier to justify if budget matters more than peak performance. Core 2 Extreme X9000 comes in at an unclear MSRP at unclear MSRP versus $189 MSRP, and it still gives you a 0.1% average FPS lead across 50 shared CPU game tests in our data. Xeon L3406 is also 100.0% better value on MSRP (5.8 vs 0.0 PassMark/$), which is why it can still make sense for tighter-budget builds on paper.

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

Xeon L3406 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008). That makes it the safer long-term bet.

Core 2 Extreme X9000 vs Xeon L3406 Technical Specifications

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

Core 2 Extreme X9000

The Core 2 Extreme X9000 is manufactured by Intel. It was released in 10 January 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 6 MB L2 Cache. L2 cache: 6 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,108 points. Launch price was $851.

Xeon L3406

The Xeon L3406 is manufactured by Intel. It was released in 2015-01-01. It features 2 cores and 4 threads. Base frequency is 2.26 GHz, with boost up to 2.53 GHz. L3 cache: 4 MB Intel® Smart Cache. Built on 32 nm process technology. Socket: LGA1156. Thermal design power (TDP): 30 Watt. Memory support: DDR3-1066. Passmark benchmark score: 1,104 points. Launch price was $800.

⚡

Processing Power

The Core 2 Extreme X9000 packs 2 cores / 2 threads, matching the Xeon L3406's 2 cores. Boost clocks reach 2.8 GHz on the Core 2 Extreme X9000 versus 2.53 GHz on the Xeon L3406 — a 10.1% clock advantage for the Core 2 Extreme X9000 (base: 2.8 GHz vs 2.26 GHz). The Core 2 Extreme X9000 is built on the Penryn (2008−2011) architecture. In PassMark, the Core 2 Extreme X9000 scores 1,108 against the Xeon L3406's 1,104 — a 0.4% lead for the Core 2 Extreme X9000. L3 cache: 6 MB L2 Cache on the Core 2 Extreme X9000 vs 4 MB Intel® Smart Cache on the Xeon L3406.

Feature	Core 2 Extreme X9000	Xeon L3406
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.8 GHz+11%	2.53 GHz
Base Clock	2.8 GHz+24%	2.26 GHz
L3 Cache	6 MB L2 Cache+50%	4 MB Intel® Smart Cache
L2 Cache	6 MB	—
Process	45 nm	32 nm-29%
Architecture	Penryn (2008−2011)	—
PassMark	1,108	1,104

🧠

Memory & Platform

The Core 2 Extreme X9000 uses the PGA478 socket (PCIe 1.1), while the Xeon L3406 uses LGA1156 (PCIe 2.0) — making them incompatible on the same motherboard.