Core 2 Extreme X7900 vs Core 2 Extreme X9000

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 X7900 vs Core 2 Extreme X9000 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 X7900 vs Core 2 Extreme X9000: 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 X7900

2007

Why buy it

✅+0.6% higher PassMark.
✅Draws 4W instead of 6W, a 2W reduction.

Trade-offs

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

Core 2 Extreme X9000

2008

Why buy it

Trade-offs

❌Lower PassMark (1,108 vs 1,115).
❌50% higher power demand at 6W vs 4W.

Quick Answers

So, is Core 2 Extreme X7900 better than Core 2 Extreme X9000?

Yes. Core 2 Extreme X7900 is the better all-around CPU here. It gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data and 0.6% better PassMark, which is enough to make it the stronger overall pick.

Which one is better for gaming?

For gaming, this matchup is basically a tie in the data we have.

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

For streaming, content creation, and heavier multitasking, Core 2 Extreme X7900 is the stronger fit. You are getting 0.6% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Extreme X7900 still makes the most sense overall. Core 2 Extreme X7900 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data.

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

Core 2 Extreme X9000 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2008 vs 2007). That makes it the safer long-term bet.

Core 2 Extreme X7900 vs Core 2 Extreme X9000 Technical Specifications

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

Core 2 Extreme X7900

The Core 2 Extreme X7900 is manufactured by Intel. It was released in 1 September 2007 (18 years ago). It is based on the Merom (2006−2008) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Memory support: DDR1. Passmark benchmark score: 1,115 points. Launch price was $851.

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.

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Processing Power

Both the Core 2 Extreme X7900 and Core 2 Extreme X9000 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Extreme X7900 versus 2.8 GHz on the Core 2 Extreme X9000 — identical boost frequencies (base: 2.8 GHz vs 2.8 GHz). The Core 2 Extreme X7900 uses the Merom (2006−2008) architecture (65 nm), while the Core 2 Extreme X9000 uses Penryn (2008−2011) (45 nm). In PassMark, the Core 2 Extreme X7900 scores 1,115 against the Core 2 Extreme X9000's 1,108 — a 0.6% lead for the Core 2 Extreme X7900. L3 cache: 0 kB on the Core 2 Extreme X7900 vs 6 MB L2 Cache on the Core 2 Extreme X9000.

Feature	Core 2 Extreme X7900	Core 2 Extreme X9000
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.8 GHz	2.8 GHz
Base Clock	2.8 GHz	2.8 GHz
L3 Cache	0 kB	6 MB L2 Cache
L2 Cache	4 MB	6 MB+50%
Process	65 nm	45 nm-31%
Architecture	Merom (2006−2008)	Penryn (2008−2011)
PassMark	1,115	1,108

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Memory & Platform

Both processors use the PGA478 socket with PCIe 1.1.

Feature	Core 2 Extreme X7900	Core 2 Extreme X9000
Socket	PGA478	PGA478
PCIe Generation	PCIe 1.1	PCIe 1.1
Max RAM Speed	DDR2-667	—
Max RAM Capacity	4 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—

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Advanced Features

Virtualization: VT-x (Core 2 Extreme X7900) / not specified (Core 2 Extreme X9000). Primary use case: Core 2 Extreme X7900 targets Mobile.