Athlon II X3 415e vs Core 2 Duo T8300

Athlon II X3 415e vs Core 2 Duo T8300 Performance Spectrum

Athlon II X3 415e

3 / 3

1,481

+0.6%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core 2 Duo T8300

2 / 2

1,472

0.0%

Celeron J1800

Pentium Dual-Core E2200

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 X3 415e vs Core 2 Duo T8300 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 X3 415e vs Core 2 Duo T8300: 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 X3 415e

2010

Why buy it

Trade-offs

❌Launch MSRP is still $75 MSRP, while Core 2 Duo T8300 mostly shows up through inconsistent older-market listings.
❌1400% higher power demand at 45W vs 3W.

Core 2 Duo T8300

2008

Why buy it

✅Draws 3W instead of 45W, a 42W reduction.

Trade-offs

❌Lower PassMark (1,472 vs 1,481).

Quick Answers

So, is Athlon II X3 415e better than Core 2 Duo T8300?

Yes. Athlon II X3 415e is the better all-around CPU here. It gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data, 0.6% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Athlon II X3 415e is the better pick. According to our tests, it delivers 2.2% more average FPS across 50 shared CPU game tests.

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

For streaming, content creation, and heavier multitasking, Athlon II X3 415e is the stronger fit. You are getting 0.6% better PassMark, backed by 3 cores and 3 threads.

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

Athlon II X3 415e is the better buy right now. Athlon II X3 415e comes in at an unclear MSRP at $75 MSRP versus unclear MSRP, and it still gives you a 2.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (19.7 vs 0.0 PassMark/$), 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 X3 415e makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2008) and more multi-core headroom with 3 cores / 3 threads instead of 2/2. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon II X3 415e vs Core 2 Duo T8300 Technical Specifications

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

Athlon II X3 415e

The Athlon II X3 415e is manufactured by AMD. It was released in 11 May 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 2.5 GHz, with boost up to 2.5 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,481 points. Launch price was $75.

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.

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Processing Power

The Athlon II X3 415e packs 3 cores / 3 threads, while the Core 2 Duo T8300 offers 2 cores / 2 threads — the Athlon II X3 415e has 1 more core. Boost clocks reach 2.5 GHz on the Athlon II X3 415e versus 2.4 GHz on the Core 2 Duo T8300 — a 4.1% clock advantage for the Athlon II X3 415e (base: 2.5 GHz vs 2.4 GHz). The Athlon II X3 415e uses the Rana (2009−2011) architecture (45 nm), while the Core 2 Duo T8300 uses Penryn (2008−2011) (45 nm). In PassMark, the Athlon II X3 415e scores 1,481 against the Core 2 Duo T8300's 1,472 — a 0.6% lead for the Athlon II X3 415e. L3 cache: 0 kB on the Athlon II X3 415e vs 3 MB L2 Cache on the Core 2 Duo T8300.

Feature	Athlon II X3 415e	Core 2 Duo T8300
Cores / Threads	3 / 3+50%	2 / 2
Boost Clock	2.5 GHz+4%	2.4 GHz
Base Clock	2.5 GHz+4%	2.4 GHz
L3 Cache	0 kB	3 MB L2 Cache
L2 Cache	512 kB (per core)	3 MB+500%
Process	45 nm	45 nm
Architecture	Rana (2009−2011)	Penryn (2008−2011)
PassMark	1,481	1,472
Geekbench 6 Single	—	450
Geekbench 6 Multi	—	850

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Memory & Platform

The Athlon II X3 415e uses the AM3 socket (PCIe 2.0), while the Core 2 Duo T8300 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 415e versus DDR2-800 on the Core 2 Duo T8300 — the Athlon II X3 415e supports 66.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X3 415e supports up to 32 GB of RAM compared to 8 GB — 300% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AMD AM3 (Athlon II X3 415e) and GM965,PM965 (Core 2 Duo T8300).

Feature	Athlon II X3 415e	Core 2 Duo T8300
Socket	AM3	PGA478
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-1333+67%	DDR2-800
Max RAM Capacity	32 GB+300%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	0

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Advanced Features

Virtualization: not specified (Athlon II X3 415e) / VT-x (Core 2 Duo T8300). Primary use case: Core 2 Duo T8300 targets Legacy Laptop.