Core 2 Extreme X7800 vs Phenom X3 8850

Core 2 Extreme X7800 vs Phenom X3 8850 Performance Spectrum

Core 2 Extreme X7800

2 / 2

1,138

0.0%

1,142

+0.4%

Mobile Athlon 64 3700+

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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.

Core 2 Extreme X7800 vs Phenom X3 8850 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 X7800 vs Phenom X3 8850: 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 X7800

2007

Why buy it

✅+100% larger total L3 cache (4 MB vs 2 MB).
✅Draws 4W instead of 95W, a 91W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Phenom X3 8850 across 50 shared CPU benchmark tests.
❌Lower PassMark (1,138 vs 1,142).

Phenom X3 8850

2008

Why buy it

✅Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Smaller total L3 cache (2 MB vs 4 MB).
❌2275% higher power demand at 95W vs 4W.

Quick Answers

So, is Phenom X3 8850 better than Core 2 Extreme X7800?

Yes. Phenom X3 8850 is the better all-around CPU here. It gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data, 0.4% 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, Phenom X3 8850 is the better pick. According to our tests, it delivers 3.5% 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, Phenom X3 8850 is the stronger fit. You are getting 0.4% better PassMark, backed by 3 cores and 3 threads.

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

Phenom X3 8850 still makes the most sense overall. Phenom X3 8850 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you a 3.5% average FPS lead across 50 shared CPU game tests in our data.

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

Phenom X3 8850 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 3 cores / 3 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Core 2 Extreme X7800 vs Phenom X3 8850 Technical Specifications

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

Core 2 Extreme X7800

The Core 2 Extreme X7800 is manufactured by Intel. It was released in 17 July 2007 (18 years ago). It is based on the Merom XE (2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.6 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB L2 Cache. L2 cache: 4 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 44 Watt. Passmark benchmark score: 1,138 points. Launch price was $851.

Phenom X3 8850

The Phenom X3 8850 is manufactured by AMD. It was released in 2009-01-01. It is based on the Toliman (2008) architecture. It features 3 cores and 3 threads. Max frequency: 2.5 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 65 nm process technology. Socket: AM2+. Thermal design power (TDP): 95 Watt. Passmark benchmark score: 1,142 points. Launch price was $149.

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Processing Power

The Core 2 Extreme X7800 packs 2 cores / 2 threads, while the Phenom X3 8850 offers 3 cores / 3 threads — the Phenom X3 8850 has 1 more core. Boost clocks reach 2.6 GHz on the Core 2 Extreme X7800 versus 2.5 GHz on the Phenom X3 8850 — a 3.9% clock advantage for the Core 2 Extreme X7800. The Core 2 Extreme X7800 uses the Merom XE (2007) architecture (65 nm), while the Phenom X3 8850 uses Toliman (2008) (65 nm). In PassMark, the Core 2 Extreme X7800 scores 1,138 against the Phenom X3 8850's 1,142 — a 0.4% lead for the Phenom X3 8850. L3 cache: 4 MB L2 Cache on the Core 2 Extreme X7800 vs 2 MB (total) on the Phenom X3 8850.

Feature	Core 2 Extreme X7800	Phenom X3 8850
Cores / Threads	2 / 2	3 / 3+50%
Boost Clock	2.6 GHz+4%	2.5 GHz
Base Clock	2.6 GHz	—
L3 Cache	4 MB L2 Cache+100%	2 MB (total)
L2 Cache	4 MB+700%	512 kB (per core)
Process	65 nm	65 nm
Architecture	Merom XE (2007)	Toliman (2008)
PassMark	1,138	1,142

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Memory & Platform

The Core 2 Extreme X7800 uses the PGA478 socket (PCIe 1.1), while the Phenom X3 8850 uses AM2+ (PCIe 2.0) — making them incompatible on the same motherboard.