Core 2 Duo P7450 vs Turion II Ultra M660

Core 2 Duo P7450 vs Turion II Ultra M660 Performance Spectrum

Core 2 Duo P7450

2 / 2

2,306

+1.2%

Celeron E3500

Core i3-2340UE

Celeron Dual-Core T3000

2,278

0.0%

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 Duo P7450 vs Turion II Ultra M660 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 Duo P7450 vs Turion II Ultra M660: 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 Duo P7450

2009

Why buy it

✅+1.2% higher PassMark.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Turion II Ultra M660 across 50 shared CPU benchmark tests.
❌50% higher power demand at 3W vs 2W.

Turion II Ultra M660

2009

Why buy it

✅Better for gaming: +3.5% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 2W instead of 3W, a 1W reduction.

Trade-offs

❌Lower PassMark (2,278 vs 2,306).

Quick Answers

So, is Core 2 Duo P7450 better than Turion II Ultra M660?

It depends on what you want from the system. For gaming, Turion II Ultra M660 is ahead with a 3.5% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo P7450 pulls ahead with 1.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo P7450 is the stronger fit. You are getting 1.2% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo P7450 still makes the most sense overall. Core 2 Duo P7450 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 1.2% better PassMark.

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

Core 2 Duo P7450 makes more sense long term for 2026 and beyond. You are getting more multi-core headroom with 2 cores / 2 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 Duo P7450 vs Turion II Ultra M660 Technical Specifications

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

Core 2 Duo P7450

The Core 2 Duo P7450 is manufactured by Intel. It was released in 2008-01-01. It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.13 GHz, with boost up to 2.13 GHz. L3 cache: 3 MB L2 Cache. L2 cache: 3 MB. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 25 Watt. Passmark benchmark score: 2,306 points. Launch price was $249.

Turion II Ultra M660

The Turion II Ultra M660 is manufactured by AMD. It was released in 2007-01-01. It is based on the Caspian (2009) architecture. It features 2 cores and 2 threads. Max frequency: 2.7 GHz. L2 cache: 2 MB. Built on 45 nm process technology. Socket: S1g3. Thermal design power (TDP): 2 MB. Memory support: DDR2. Passmark benchmark score: 2,278 points. Launch price was $69.

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Processing Power

Both the Core 2 Duo P7450 and Turion II Ultra M660 share an identical 2-core/2-thread configuration. Boost clocks reach 2.13 GHz on the Core 2 Duo P7450 versus 2.7 GHz on the Turion II Ultra M660 — a 23.6% clock advantage for the Turion II Ultra M660. The Core 2 Duo P7450 uses the Penryn (2008−2011) architecture (45 nm), while the Turion II Ultra M660 uses Caspian (2009) (45 nm). In PassMark, the Core 2 Duo P7450 scores 2,306 against the Turion II Ultra M660's 2,278 — a 1.2% lead for the Core 2 Duo P7450.

Feature	Core 2 Duo P7450	Turion II Ultra M660
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.13 GHz	2.7 GHz+27%
Base Clock	2.13 GHz	—
L3 Cache	3 MB L2 Cache	—
L2 Cache	3 MB+50%	2 MB
Process	45 nm	45 nm
Architecture	Penryn (2008−2011)	Caspian (2009)
PassMark	2,306+1%	2,278
Geekbench 6 Single	250	—
Geekbench 6 Multi	450	—

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Memory & Platform

The Core 2 Duo P7450 uses the PGA478 socket (PCIe 1.1), while the Turion II Ultra M660 uses S1g3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1066 on the Core 2 Duo P7450 versus DDR2-800 on the Turion II Ultra M660 — the Core 2 Duo P7450 supports 33.3% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 8 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Duo P7450) vs 0 (Turion II Ultra M660) — the Core 2 Duo P7450 offers 16 more lanes for additional GPUs or NVMe drives.

Feature	Core 2 Duo P7450	Turion II Ultra M660
Socket	PGA478	S1g3
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR3-1066+33%	DDR2-800
Max RAM Capacity	8 GB	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	0

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Advanced Features

Neither processor supports overclocking. Virtualization support: Disabled (Core 2 Duo P7450) vs AMD-V (Turion II Ultra M660). Primary use case: Core 2 Duo P7450 targets Laptop, Turion II Ultra M660 targets Mobile.