Athlon II X2 270u vs Core 2 Duo E7400

Athlon II X2 270u vs Core 2 Duo E7400 Performance Spectrum

Athlon II X2 270u

2 / 2

1,045

+0.2%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Core 2 Duo E7400

2 / 2

1,043

0.0%

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 270u vs Core 2 Duo E7400 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 270u vs Core 2 Duo E7400: 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 270u

2010

Why buy it

✅+0.2% higher PassMark.
✅Draws 25W instead of 65W, a 40W reduction.

Trade-offs

❌Launch MSRP is still $68 MSRP, while Core 2 Duo E7400 mostly shows up through inconsistent older-market listings.

Core 2 Duo E7400

2008

Why buy it

Trade-offs

❌Lower PassMark (1,043 vs 1,045).
❌160% higher power demand at 65W vs 25W.

Quick Answers

So, is Athlon II X2 270u better than Core 2 Duo E7400?

It depends on what you want from the system. For gaming, Core 2 Duo E7400 is ahead with a 0.2% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Athlon II X2 270u pulls ahead with 0.2% better PassMark.

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

For streaming, content creation, and heavier multitasking, Athlon II X2 270u is the stronger fit. You are getting 0.2% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II X2 270u is the better buy right now. Athlon II X2 270u comes in at an unclear MSRP at $68 MSRP versus unclear MSRP, and it still gives you 0.2% better PassMark. The compromise is that Core 2 Duo E7400 is still the better pure gaming CPU with a 0.2% average FPS lead across 50 shared CPU game tests in our data. It is also 100.0% better value on MSRP (15.4 vs 0.0 PassMark/$), 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 270u 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 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.

Athlon II X2 270u vs Core 2 Duo E7400 Technical Specifications

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

Athlon II X2 270u

The Athlon II X2 270u is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Max frequency: 2 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 25 Watt. Memory support: DDR2, DDR3. Passmark benchmark score: 1,045 points. Launch price was $68.

Core 2 Duo E7400

The Core 2 Duo E7400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 3 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,043 points. Launch price was $249.

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Processing Power

Both the Athlon II X2 270u and Core 2 Duo E7400 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Athlon II X2 270u versus 2.8 GHz on the Core 2 Duo E7400 — a 33.3% clock advantage for the Core 2 Duo E7400. The Athlon II X2 270u uses the Regor (2009−2013) architecture (45 nm), while the Core 2 Duo E7400 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Athlon II X2 270u scores 1,045 against the Core 2 Duo E7400's 1,043 — a 0.2% lead for the Athlon II X2 270u. Both processors carry 0 kB of L3 cache.

Feature	Athlon II X2 270u	Core 2 Duo E7400
Cores / Threads	2 / 2	2 / 2
Boost Clock	2 GHz	2.8 GHz+40%
Base Clock	—	2.8 GHz
L3 Cache	0 kB	0 kB
L2 Cache	1 MB	3 MB (total)+200%
Process	45 nm	45 nm
Architecture	Regor (2009−2013)	Wolfdale (2008−2010)
PassMark	1,045	1,043
Cinebench R23 Multi	531	—
Geekbench 6 Single	300	—
Geekbench 6 Multi	550	—

🧠

Memory & Platform

The Athlon II X2 270u uses the AM3 socket (PCIe 2.0), while the Core 2 Duo E7400 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X2 270u versus 1066 on the Core 2 Duo E7400 — the Athlon II X2 270u supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: AMD 760G,AMD 880G,AMD 970 (Athlon II X2 270u) and P35,G31,G33,P45 (Core 2 Duo E7400).

Feature	Athlon II X2 270u	Core 2 Duo E7400
Socket	AM3	LGA775
PCIe Generation	PCIe 2.0+82%	PCIe 1.1
Max RAM Speed	DDR3-1333+25%	1066
Max RAM Capacity	16 GB	16 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	16	16

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: AMD-V (Athlon II X2 270u) vs true (Core 2 Duo E7400). Primary use case: Athlon II X2 270u targets Office/Budget Desktop. Direct competitor: Athlon II X2 270u rivals Pentium E5700; Core 2 Duo E7400 rivals Athlon II X2 245.