Core 2 Duo T8300 vs Pentium 4405Y

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 T8300 vs Pentium 4405Y 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 T8300 vs Pentium 4405Y: 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 T8300

2008

Why buy it

✅+50% larger total L3 cache (3 MB vs 2 MB).
✅Draws 3W instead of 512W, a 509W reduction.

Trade-offs

❌Lower PassMark (1,472 vs 1,490).

Pentium 4405Y

2015

Why buy it

✅+1.2% higher PassMark.

Trade-offs

❌Smaller total L3 cache (2 MB vs 3 MB).
❌16966.7% higher power demand at 512W vs 3W.

Quick Answers

So, is Pentium 4405Y better than Core 2 Duo T8300?

It depends on what you want from the system. For gaming, Core 2 Duo T8300 is ahead with a 0.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Pentium 4405Y pulls ahead with 1.2% better PassMark. Core 2 Duo T8300 also has the bigger cache pool with 50% larger total L3 cache (3 MB vs 2 MB).

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

For streaming, content creation, and heavier multitasking, Pentium 4405Y is the stronger fit. You are getting 1.2% better PassMark, backed by 2 cores and 4 threads.

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

Pentium 4405Y still makes the most sense overall. Pentium 4405Y 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?

Pentium 4405Y makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2015 vs 2008) and more multi-core headroom with 2 cores / 4 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 T8300 vs Pentium 4405Y Technical Specifications

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

Core 2 Duo T8300

The Core 2 Duo T8300 is manufactured by Intel. It was released in 10 January 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): 35 Watt. Passmark benchmark score: 1,472 points. Launch price was $241.

Pentium 4405Y

The Pentium 4405Y is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,490 points. Launch price was $161.

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Processing Power

The Core 2 Duo T8300 packs 2 cores / 2 threads, matching the Pentium 4405Y's 2 cores. Boost clocks reach 2.4 GHz on the Core 2 Duo T8300 versus 1.5 GHz on the Pentium 4405Y — a 46.2% clock advantage for the Core 2 Duo T8300 (base: 2.4 GHz vs 1.5 GHz). The Core 2 Duo T8300 uses the Penryn (2008−2011) architecture (45 nm), while the Pentium 4405Y uses NetBurst (2000−2006) (14 nm). In PassMark, the Core 2 Duo T8300 scores 1,472 against the Pentium 4405Y's 1,490 — a 1.2% lead for the Pentium 4405Y. L3 cache: 3 MB L2 Cache on the Core 2 Duo T8300 vs 2 MB on the Pentium 4405Y.

Feature	Core 2 Duo T8300	Pentium 4405Y
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.4 GHz+60%	1.5 GHz
Base Clock	2.4 GHz+60%	1.5 GHz
L3 Cache	3 MB L2 Cache+50%	2 MB
L2 Cache	3 MB+500%	512 kB
Process	45 nm	14 nm-69%
Architecture	Penryn (2008−2011)	NetBurst (2000−2006)
PassMark	1,472	1,490+1%
Geekbench 6 Single	450	—
Geekbench 6 Multi	850	—

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Memory & Platform

The Core 2 Duo T8300 uses the PGA478 socket (PCIe 1.1), while the Pentium 4405Y uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Core 2 Duo T8300	Pentium 4405Y
Socket	PGA478	FCBGA1515
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	DDR2-800	—
Max RAM Capacity	8 GB	—
RAM Channels	2	—
ECC Support	No	—
PCIe Lanes	0	—