Athlon II X2 260u vs Celeron T3100
Athlon II X2 260u
Celeron T3100
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. Components placed above yours deliver better value for money. The Athlon II X2 260u is positioned at rank 873 and the Celeron T3100 is on rank 970, so the Athlon II X2 260u offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X2 260u
Performance Per Dollar Celeron T3100
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 260u | Celeron T3100 |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($10) | ⚠️ Higher cost ($62) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Legacy / 45 nm) |
💎 Value Proposition
| Insight | Athlon II X2 260u | Celeron T3100 |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+550%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($10) | ⚠️ Higher cost ($62) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Athlon II X2 260u and Celeron T3100
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.
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 199.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon II X2 260u supports up to 16 of RAM compared to 8 GB — 66.7% 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+44333% | DDR3-800 |
| Max RAM Capacity | 16 | 8 GB+52428700% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| 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
The Athlon II X2 260u launched at $60 MSRP, while the Celeron T3100 debuted at $62. At current prices ($10 vs $62), the Athlon II X2 260u is $52 cheaper. In terms of value (PassMark points per dollar), the Athlon II X2 260u delivers 99.0 pts/$ vs 15.2 pts/$ for the Celeron T3100 — making the Athlon II X2 260u the 146.6% better value option.
| Feature | Athlon II X2 260u | Celeron T3100 |
|---|---|---|
| MSRP | $60-3% | $62 |
| Avg Price (30d) | $10-84% | $62 |
| Performance per Dollar | 99.0+551% | 15.2 |
| Release Date | 2009 | 2008 |
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