Core 2 Duo P8600 vs Core i5-4258U

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 P8600 vs Core i5-4258U 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 P8600 vs Core i5-4258U: 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 P8600

2008

Why buy it

✅+0.3% higher PassMark.
✅Draws 3W instead of 512W, a 509W reduction.
✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.

Trade-offs

❌Worse for gaming: lower average FPS than Core i5-4258U across 50 shared CPU benchmark tests.

Core i5-4258U

2013

Why buy it

✅Better for gaming: +4.4% higher average FPS across 50 shared CPU benchmark tests.

Trade-offs

❌Lower PassMark (2,610 vs 2,618).
❌16966.7% higher power demand at 512W vs 3W.

Quick Answers

So, is Core 2 Duo P8600 better than Core i5-4258U?

It depends on what you want from the system. For gaming, Core i5-4258U is ahead with a 4.4% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Core 2 Duo P8600 pulls ahead with 0.3% better PassMark.

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

For streaming, content creation, and heavier multitasking, Core 2 Duo P8600 is the stronger fit. You are getting 0.3% better PassMark, backed by 2 cores and 2 threads.

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

Core 2 Duo P8600 still makes the most sense overall. Core 2 Duo P8600 comes in at an unclear MSRP at unclear MSRP versus unclear MSRP, and it still gives you 0.3% better PassMark.

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

Core i5-4258U makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2013 vs 2008). That makes it the safer long-term bet.

Core 2 Duo P8600 vs Core i5-4258U Technical Specifications

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

Core 2 Duo P8600

The Core 2 Duo P8600 is manufactured by Intel. It was released in 15 July 2008 (17 years ago). It is based on the Penryn (2008−2011) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 2.4 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: 2,618 points. Launch price was $209.

Core i5-4258U

The Core i5-4258U is manufactured by Intel. It was released in 4 June 2013 (12 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 4 threads. Base frequency is 2.4 GHz, with boost up to 2.9 GHz. L3 cache: 3 MB (total). L2 cache: 256K (per core). Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 28 Watt. Memory support: DDR3. Passmark benchmark score: 2,610 points. Launch price was $342.

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Processing Power

The Core 2 Duo P8600 packs 2 cores / 2 threads, matching the Core i5-4258U's 2 cores. Boost clocks reach 2.4 GHz on the Core 2 Duo P8600 versus 2.9 GHz on the Core i5-4258U — a 18.9% clock advantage for the Core i5-4258U (base: 2.4 GHz vs 2.4 GHz). The Core 2 Duo P8600 uses the Penryn (2008−2011) architecture (45 nm), while the Core i5-4258U uses Haswell (2013−2015) (22 nm). In PassMark, the Core 2 Duo P8600 scores 2,618 against the Core i5-4258U's 2,610 — a 0.3% lead for the Core 2 Duo P8600. L3 cache: 3 MB L2 Cache on the Core 2 Duo P8600 vs 3 MB (total) on the Core i5-4258U.

Feature	Core 2 Duo P8600	Core i5-4258U
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.4 GHz	2.9 GHz+21%
Base Clock	2.4 GHz	2.4 GHz
L3 Cache	3 MB L2 Cache	3 MB (total)
L2 Cache	3 MB	256K (per core)+8433%
Process	45 nm	22 nm-51%
Architecture	Penryn (2008−2011)	Haswell (2013−2015)
PassMark	2,618	2,610

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Memory & Platform

The Core 2 Duo P8600 uses the PGA478 socket (PCIe 1.1), while the Core i5-4258U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo P8600	Core i5-4258U
Socket	PGA478	FCBGA1168
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR3-1066	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	16	—