Athlon II X2 245 vs Core 2 Extreme X7800

Athlon II X2 245 vs Core 2 Extreme X7800 Performance Spectrum

Athlon II X2 245

2 / 2

1,134

0.0%

Mobile Athlon 64 3700+

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core 2 Extreme X7800

2 / 2

1,138

+0.4%

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.

Athlon II X2 245 vs Core 2 Extreme X7800 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.

Athlon II X2 245 vs Core 2 Extreme X7800: Pros, Cons & Final Verdict

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

Athlon II X2 245

2009

Why buy it

✅Includes a boxed cooler (true), unlike Core 2 Extreme X7800.

Trade-offs

❌Lower PassMark (1,134 vs 1,138).
❌Launch MSRP is still $66 MSRP, while Core 2 Extreme X7800 mostly shows up through inconsistent older-market listings.
❌1525% higher power demand at 65W vs 4W.

Core 2 Extreme X7800

2007

Why buy it

✅+0.4% higher PassMark.
✅Draws 4W instead of 65W, a 61W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌No boxed cooler included, unlike Athlon II X2 245.

Quick Answers

So, is Athlon II X2 245 better than Core 2 Extreme X7800?

It depends on what you want from the system. For gaming, Athlon II X2 245 is ahead with a 1.8% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Extreme X7800 pulls ahead with 0.4% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Extreme X7800 is the stronger fit. You are getting 0.4% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II X2 245 is the better buy right now. Athlon II X2 245 comes in at an unclear MSRP at $66 MSRP versus unclear MSRP, and it still gives you a 1.8% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Core 2 Extreme X7800 is still stronger for heavier multi-core work with 0.4% better PassMark. It is also 100.0% better value on MSRP (17.2 vs 0.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Athlon II X2 245 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2007). That makes it the safer long-term bet.

Athlon II X2 245 vs Core 2 Extreme X7800 Technical Specifications

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

Athlon II X2 245

The Athlon II X2 245 is manufactured by AMD. It was released in 23 July 2009 (16 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Base frequency is 2.9 GHz, with boost up to 2.9 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 65 Watt. Memory support: DDR3. Passmark benchmark score: 1,134 points. Launch price was $35.

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.

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Processing Power

Both the Athlon II X2 245 and Core 2 Extreme X7800 share an identical 2-core/2-thread configuration. Boost clocks reach 2.9 GHz on the Athlon II X2 245 versus 2.6 GHz on the Core 2 Extreme X7800 — a 10.9% clock advantage for the Athlon II X2 245 (base: 2.9 GHz vs 2.6 GHz). The Athlon II X2 245 uses the Regor (2009−2013) architecture (45 nm), while the Core 2 Extreme X7800 uses Merom XE (2007) (65 nm). In PassMark, the Athlon II X2 245 scores 1,134 against the Core 2 Extreme X7800's 1,138 — a 0.4% lead for the Core 2 Extreme X7800. L3 cache: 0 kB on the Athlon II X2 245 vs 4 MB L2 Cache on the Core 2 Extreme X7800.

Feature	Athlon II X2 245	Core 2 Extreme X7800
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.9 GHz+12%	2.6 GHz
Base Clock	2.9 GHz+12%	2.6 GHz
L3 Cache	0 kB	4 MB L2 Cache
L2 Cache	2 MB	4 MB+100%
Process	45 nm-31%	65 nm
Architecture	Regor (2009−2013)	Merom XE (2007)
PassMark	1,134	1,138

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Memory & Platform

The Athlon II X2 245 uses the AM3 socket (PCIe 2.0), while the Core 2 Extreme X7800 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Athlon II X2 245 versus DDR2-667 on the Core 2 Extreme X7800 — the Athlon II X2 245 supports 99.9% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X2 245 supports up to 16 GB of RAM compared to 4 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X2 245) vs 16 (Core 2 Extreme X7800) — the Core 2 Extreme X7800 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM2+,AM3 (Athlon II X2 245) and Socket P (Core 2 Extreme X7800).

Feature	Athlon II X2 245	Core 2 Extreme X7800
Socket	AM3	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	1333+100%	DDR2-667
Max RAM Capacity	16 GB+300%	4 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	16

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Advanced Features

Only the Core 2 Extreme X7800 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: true (Athlon II X2 245) vs VT-x (Core 2 Extreme X7800). Direct competitor: Athlon II X2 245 rivals Pentium E5500.