Athlon II X2 250e vs Celeron M U3400

Athlon II X2 250e vs Celeron M U3400 Performance Spectrum

Athlon II X2 250e

2 / 2

1,202

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron M U3400

2 / 2

1,205

+0.2%

Atom E3827

Celeron 877

Pentium Dual-Core E2180

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 250e vs Celeron M U3400 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 250e vs Celeron M U3400: 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 250e

2010

Why buy it

✅Costs $9 less on MSRP ($77 MSRP vs $86 MSRP).
✅Delivers 11.4% more PassMark for each dollar spent, at 15.6 vs 14.0 PassMark/$ ($77 MSRP vs $86 MSRP).
✅Draws 45W instead of 512W, a 467W reduction.
✅Includes a boxed cooler (Stock), unlike Celeron M U3400.

Trade-offs

❌Lower PassMark (1,202 vs 1,205).

Celeron M U3400

2010

Why buy it

✅+0.2% higher PassMark.

Trade-offs

❌Lower PassMark per dollar, at 14.0 vs 15.6 PassMark/$ ($86 MSRP vs $77 MSRP).
❌1037.8% higher power demand at 512W vs 45W.
❌No boxed cooler included, unlike Athlon II X2 250e.

Quick Answers

So, is Athlon II X2 250e better than Celeron M U3400?

It depends on what you want from the system. For gaming, Athlon II X2 250e is ahead with a 2.1% average FPS lead across 50 shared CPU game tests in our data. For rendering, compiling, streaming, and heavier multitasking, Celeron M U3400 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, Celeron M U3400 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 250e is the better buy right now. Athlon II X2 250e comes in $9 cheaper on MSRP at $77 MSRP versus $86 MSRP, and it still gives you a 2.1% average FPS lead across 50 shared CPU game tests in our data. The compromise is that Celeron M U3400 is still stronger for heavier multi-core work with 0.2% better PassMark. It is also 11.4% better value on MSRP (15.6 vs 14.0 PassMark/$), so you are getting the faster CPU without taking a value hit on paper.

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

Celeron M U3400 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.

Athlon II X2 250e vs Celeron M U3400 Technical Specifications

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

Athlon II X2 250e

The Athlon II X2 250e 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. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 0 kB. L2 cache: 1 MB. Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 1,202 points. Launch price was $77.

Celeron M U3400

The Celeron M U3400 is manufactured by Intel. It was released in 2007-01-01. It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 2 threads. Max frequency: 1.06 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 512 kB + 2 MB. Memory support: DDR3. Passmark benchmark score: 1,205 points. Launch price was $69.

⚡

Processing Power

Both the Athlon II X2 250e and Celeron M U3400 share an identical 2-core/2-thread configuration. Boost clocks reach 3 GHz on the Athlon II X2 250e versus 1.06 GHz on the Celeron M U3400 — a 95.6% clock advantage for the Athlon II X2 250e. The Athlon II X2 250e uses the Regor (2009−2013) architecture (45 nm), while the Celeron M U3400 uses Arrandale (2010−2011) (32 nm). In PassMark, the Athlon II X2 250e scores 1,202 against the Celeron M U3400's 1,205 — a 0.2% lead for the Celeron M U3400. L3 cache: 0 kB on the Athlon II X2 250e vs 2 MB on the Celeron M U3400.

Feature	Athlon II X2 250e	Celeron M U3400
Cores / Threads	2 / 2	2 / 2
Boost Clock	3 GHz+183%	1.06 GHz
Base Clock	3 GHz	—
L3 Cache	0 kB	2 MB
L2 Cache	1 MB+100%	512 kB
Process	45 nm	32 nm-29%
Architecture	Regor (2009−2013)	Arrandale (2010−2011)
PassMark	1,202	1,205
Geekbench 6 Single	250	—
Geekbench 6 Multi	470	—

🧠

Memory & Platform

The Athlon II X2 250e uses the AM3 socket (PCIe 2.0), while the Celeron M U3400 uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Athlon II X2 250e	Celeron M U3400
Socket	AM3	BGA1288
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	DDR3-1333	—
Max RAM Capacity	16 GB	—
RAM Channels	2	—
ECC Support	Yes	—
PCIe Lanes	0	—

🔧

Advanced Features

Virtualization: AMD-V (Athlon II X2 250e) / not specified (Celeron M U3400). Primary use case: Athlon II X2 250e targets Energy Efficient Legacy Desktop. Direct competitor: Athlon II X2 250e rivals Pentium E5700.

Feature	Athlon II X2 250e	Celeron M U3400
Integrated GPU	No	—
Unlocked	No	—
AVX-512	No	—
Virtualization	AMD-V	—
Target Use	Energy Efficient Legacy Desktop	—

💰

Value Analysis

At launch, the Athlon II X2 250e was priced at $77, while the Celeron M U3400 came in at $86. On launch pricing ($77 vs $86), Athlon II X2 250e was $9 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X2 250e delivers 15.6 pts/$ vs 14.0 pts/$ for the Celeron M U3400 — making the Athlon II X2 250e the 10.8% better value option.

Feature	Athlon II X2 250e	Celeron M U3400
MSRP	$77-10%	$86
Performance per Dollar	15.6+11%	14.0
Release Date	2010	2010

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