Athlon II X2 260u vs Celeron T3100

Athlon II X2 260u vs Celeron T3100 Performance Spectrum

Athlon II X2 260u

2 / 2

990

+4.8%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Celeron T3100

945

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 260u vs Celeron T3100 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 260u vs Celeron T3100: 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 260u

2009

Why buy it

✅Better for gaming: +4.0% higher average FPS across 50 shared CPU benchmark tests.
✅Costs $2 less on MSRP ($60 MSRP vs $62 MSRP).
✅Delivers 8.3% more PassMark for each dollar spent, at 16.5 vs 15.2 PassMark/$ ($60 MSRP vs $62 MSRP).
✅Draws 25W instead of 35W, a 10W reduction.
✅Includes a boxed cooler (true), unlike Celeron T3100.

Trade-offs

❌Fewer obvious downsides in this matchup outside of normal market pricing swings.

Celeron T3100

2008

Why buy it

Trade-offs

❌Worse for gaming: lower average FPS than Athlon II X2 260u across 50 shared CPU benchmark tests.
❌Lower PassMark (945 vs 990).
❌Lower PassMark per dollar, at 15.2 vs 16.5 PassMark/$ ($62 MSRP vs $60 MSRP).
❌40% higher power demand at 35W vs 25W.
❌No boxed cooler included, unlike Athlon II X2 260u.

Quick Answers

So, is Athlon II X2 260u better than Celeron T3100?

Yes. Athlon II X2 260u is the better all-around CPU here. It gives you a 4.0% average FPS lead across 50 shared CPU game tests in our data, 4.8% 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 X2 260u is the better pick. According to our tests, it delivers 4.0% 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 X2 260u is the stronger fit. You are getting 4.8% better PassMark, backed by 2 cores and 2 threads.

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

Athlon II X2 260u is the better buy right now. Athlon II X2 260u comes in $2 cheaper on MSRP at $60 MSRP versus $62 MSRP, and it still gives you a 4.0% average FPS lead across 50 shared CPU game tests in our data. It is also 8.3% better value on MSRP (16.5 vs 15.2 PassMark/$), 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 260u makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2009 vs 2008). That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon II X2 260u vs Celeron T3100 Technical Specifications

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

Athlon II X2 260u

The Athlon II X2 260u is manufactured by AMD. It was released in 20 October 2009 (16 years ago). It is based on the Regor (2009−2013) architecture. It features 2 cores and 2 threads. Max frequency: 1.8 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: DDR3. Passmark benchmark score: 990 points. Launch price was $83.

Celeron T3100

The Celeron T3100 is manufactured by Intel. It was released in 2007-01-01. Base frequency: 1.9 GHz. L3 cache: 1 MB L2 Cache. Built on 45 nm process technology. Socket: PGA478. Thermal design power (TDP): 35 Watt. Passmark benchmark score: 945 points. Launch price was $69.

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Processing Power

The Athlon II X2 260u is built on the Regor (2009−2013) architecture. In PassMark, the Athlon II X2 260u scores 990 against the Celeron T3100's 945 — a 4.7% lead for the Athlon II X2 260u. L3 cache: 0 kB on the Athlon II X2 260u vs 1 MB L2 Cache on the Celeron T3100.

Feature	Athlon II X2 260u	Celeron T3100
Cores / Threads	2 / 2	—
Boost Clock	1.8 GHz	—
Base Clock	—	1.9 GHz
L3 Cache	0 kB	1 MB L2 Cache
L2 Cache	1 MB	—
Process	45 nm	45 nm
Architecture	Regor (2009−2013)	—
PassMark	990+5%	945
Geekbench 6 Single	—	350
Geekbench 6 Multi	—	650

🧠

Memory & Platform

The Athlon II X2 260u uses the AM3 socket (PCIe 2.0), while the Celeron T3100 uses PGA478 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Athlon II X2 260u versus DDR3-800 on the Celeron T3100 — the Athlon II X2 260u supports 66.6% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X2 260u supports up to 16 GB of RAM compared to 8 GB — 100% more capacity for professional workloads. Both feature 2-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AM2+,AM3 (Athlon II X2 260u) and GL40,GM45 (Celeron T3100).

Feature	Athlon II X2 260u	Celeron T3100
Socket	AM3	PGA478
PCIe Generation	PCIe 2.0	PCIe 2.0
Max RAM Speed	1333+67%	DDR3-800
Max RAM Capacity	16 GB+100%	8 GB
RAM Channels	2	2
ECC Support	No	No
PCIe Lanes	0	0

🔧

Advanced Features

Neither processor supports overclocking. Virtualization support: true (Athlon II X2 260u) vs None (Celeron T3100). Primary use case: Celeron T3100 targets Legacy Laptop. Direct competitor: Athlon II X2 260u rivals Core 2 Duo SU9400.

Feature	Athlon II X2 260u	Celeron T3100
Integrated GPU	No	No
IGPU Model	None	—
Unlocked	No	No
AVX-512	No	No
Virtualization	true	None
Target Use	—	Legacy Laptop

💰

Value Analysis

At launch, the Athlon II X2 260u was priced at $60, while the Celeron T3100 came in at $62. On launch pricing ($60 vs $62), Athlon II X2 260u was $2 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X2 260u delivers 16.5 pts/$ vs 15.2 pts/$ for the Celeron T3100 — making the Athlon II X2 260u the 7.9% better value option.

Feature	Athlon II X2 260u	Celeron T3100
MSRP	$60-3%	$62
Performance per Dollar	16.5+9%	15.2
Release Date	2009	2008

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