
Athlon II X2 260u vs Core 2 Duo E4300

Athlon II X2 260u

Core 2 Duo E4300
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 Core 2 Duo E4300 is on rank 1015, 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 Core 2 Duo E4300
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X2 260u | Core 2 Duo E4300 |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($10) | ✅ More affordable ($5) |
| Longevity | 🛑 Legacy (Regor (2009−2013) / 45 nm) | 🛑 Legacy (Allendale (2006−2009) / 65 nm) |
💎 Value Proposition
| Insight | Athlon II X2 260u | Core 2 Duo E4300 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+103%) |
| Upfront Cost | ⚠️ Higher cost ($10) | ✅ More affordable ($5) |
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 Core 2 Duo E4300

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.

Core 2 Duo E4300
The Core 2 Duo E4300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Allendale (2006−2009) architecture. It features 2 cores and 2 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,005 points. Launch price was $249.
Processing Power
Both the Athlon II X2 260u and Core 2 Duo E4300 share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Athlon II X2 260u versus 1.8 GHz on the Core 2 Duo E4300 — identical boost frequencies. The Athlon II X2 260u uses the Regor (2009−2013) architecture (45 nm), while the Core 2 Duo E4300 uses Allendale (2006−2009) (65 nm). In PassMark, the Athlon II X2 260u scores 990 against the Core 2 Duo E4300's 1,005 — a 1.5% lead for the Core 2 Duo E4300. Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X2 260u | Core 2 Duo E4300 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 1.8 GHz | 1.8 GHz |
| Base Clock | — | 1.8 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 2 MB+100% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Regor (2009−2013) | Allendale (2006−2009) |
| PassMark | 990 | 1,005+2% |
Memory & Platform
The Athlon II X2 260u uses the AM3 socket (PCIe 2.0), while the Core 2 Duo E4300 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Maximum memory speed reaches 1333 on the Athlon II X2 260u versus 800 on the Core 2 Duo E4300 — the Athlon II X2 260u supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 0 (Athlon II X2 260u) vs 16 (Core 2 Duo E4300) — the Core 2 Duo E4300 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AM2+,AM3 (Athlon II X2 260u) and P35,G31,G33,P45 (Core 2 Duo E4300).
| Feature | Athlon II X2 260u | Core 2 Duo E4300 |
|---|---|---|
| Socket | AM3 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | 1333+67% | 800 |
| Max RAM Capacity | 16 | 16 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 0 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: true (Athlon II X2 260u) vs false (Core 2 Duo E4300). Direct competitor: Athlon II X2 260u rivals Core 2 Duo SU9400; Core 2 Duo E4300 rivals Athlon 64 X2 3800+.
| Feature | Athlon II X2 260u | Core 2 Duo E4300 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | true | false |
Value Analysis
The Athlon II X2 260u launched at $60 MSRP, while the Core 2 Duo E4300 debuted at $113. At current prices ($10 vs $5), the Core 2 Duo E4300 is $5 cheaper. In terms of value (PassMark points per dollar), the Athlon II X2 260u delivers 99.0 pts/$ vs 201.0 pts/$ for the Core 2 Duo E4300 — making the Core 2 Duo E4300 the 68% better value option.
| Feature | Athlon II X2 260u | Core 2 Duo E4300 |
|---|---|---|
| MSRP | $60-47% | $113 |
| Avg Price (30d) | $10 | $5-50% |
| Performance per Dollar | 99.0 | 201.0+103% |
| Release Date | 2009 | 2006 |
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