
Core 2 Extreme X7900

E2-1800
Core 2 Extreme X7900 vs E2-1800 Performance Spectrum
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 X7900 vs E2-1800 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Core 2 Extreme X7900 vs E2-1800: 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
2007Why buy it
- ✅Draws 4W instead of 18W, a 14W reduction.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
E2-1800
2012Why buy it
Trade-offs
- ❌Lower PassMark (1,110 vs 1,115).
- ❌350% higher power demand at 18W vs 4W.
Quick Answers
So, is Core 2 Extreme X7900 better than E2-1800?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Core 2 Extreme X7900 vs E2-1800 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.

E2-1800
The E2-1800 is manufactured by AMD. It was released in 2014-01-01. It is based on the Zacate (2011−2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.7 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 40 nm process technology. Socket: FT1. Thermal design power (TDP): 18 Watt. Memory support: DDR3. Passmark benchmark score: 1,110 points. Launch price was $50.
Processing Power
Both the Core 2 Extreme X7900 and E2-1800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Extreme X7900 versus 1.7 GHz on the E2-1800 — a 48.9% clock advantage for the Core 2 Extreme X7900. The Core 2 Extreme X7900 uses the Merom (2006−2008) architecture (65 nm), while the E2-1800 uses Zacate (2011−2013) (40 nm). In PassMark, the Core 2 Extreme X7900 scores 1,115 against the E2-1800's 1,110 — a 0.4% lead for the Core 2 Extreme X7900. Both processors carry 0 kB of L3 cache.
| Feature | Core 2 Extreme X7900 | E2-1800 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2.8 GHz+65% | 1.7 GHz |
| Base Clock | 2.8 GHz | — |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 4 MB | 512K (per core)+12700% |
| Process | 65 nm | 40 nm-38% |
| Architecture | Merom (2006−2008) | Zacate (2011−2013) |
| PassMark | 1,115 | 1,110 |
Memory & Platform
The Core 2 Extreme X7900 uses the PGA478 socket (PCIe 1.1), while the E2-1800 uses FT1 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Core 2 Extreme X7900 | E2-1800 |
|---|---|---|
| Socket | PGA478 | FT1 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR2-667 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 2 | — |
| ECC Support | No | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: VT-x (Core 2 Extreme X7900) / not specified (E2-1800). Primary use case: Core 2 Extreme X7900 targets Mobile.
| Feature | Core 2 Extreme X7900 | E2-1800 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | VT-x | — |
| Target Use | Mobile | — |
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