
Core 2 Duo E4300

Athlon II X2 260u
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 Core 2 Duo E4300 is positioned at rank 1015 and the Athlon II X2 260u is on rank 873, 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 Core 2 Duo E4300
Performance Per Dollar Athlon II X2 260u
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Core 2 Duo E4300 | Athlon II X2 260u |
|---|---|---|
| Gaming | Balanced gaming performance | Balanced gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ✅ More affordable ($5) | ⚠️ Higher cost ($10) |
| Longevity | 🛑 Legacy (Allendale (2006−2009) / 65 nm) | 🛑 Legacy (Regor (2009−2013) / 45 nm) |
💎 Value Proposition
| Insight | Core 2 Duo E4300 | Athlon II X2 260u |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+103%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($5) | ⚠️ Higher cost ($10) |
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 Core 2 Duo E4300 and Athlon II X2 260u

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.

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.
Processing Power
Both the Core 2 Duo E4300 and Athlon II X2 260u share an identical 2-core/2-thread configuration. Boost clocks reach 1.8 GHz on the Core 2 Duo E4300 versus 1.8 GHz on the Athlon II X2 260u — identical boost frequencies. The Core 2 Duo E4300 uses the Allendale (2006−2009) architecture (65 nm), while the Athlon II X2 260u uses Regor (2009−2013) (45 nm). In PassMark, the Core 2 Duo E4300 scores 1,005 against the Athlon II X2 260u's 990 — a 1.5% lead for the Core 2 Duo E4300. Both processors carry 0 kB of L3 cache.
| Feature | Core 2 Duo E4300 | Athlon II X2 260u |
|---|---|---|
| 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 | 2 MB+100% | 1 MB |
| Process | 65 nm | 45 nm-31% |
| Architecture | Allendale (2006−2009) | Regor (2009−2013) |
| PassMark | 1,005+2% | 990 |
Memory & Platform
The Core 2 Duo E4300 uses the LGA775 socket (PCIe 1.1), while the Athlon II X2 260u uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 800 on the Core 2 Duo E4300 versus 1333 on the Athlon II X2 260u — 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: 16 (Core 2 Duo E4300) vs 0 (Athlon II X2 260u) — the Core 2 Duo E4300 offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E4300) and AM2+,AM3 (Athlon II X2 260u).
| Feature | Core 2 Duo E4300 | Athlon II X2 260u |
|---|---|---|
| Socket | LGA775 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 800 | 1333+67% |
| Max RAM Capacity | 16 | 16 |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ❌ |
| PCIe Lanes | 16 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: false (Core 2 Duo E4300) vs true (Athlon II X2 260u). Direct competitor: Core 2 Duo E4300 rivals Athlon 64 X2 3800+; Athlon II X2 260u rivals Core 2 Duo SU9400.
| Feature | Core 2 Duo E4300 | Athlon II X2 260u |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | false | true |
Value Analysis
The Core 2 Duo E4300 launched at $113 MSRP, while the Athlon II X2 260u debuted at $60. At current prices ($5 vs $10), the Core 2 Duo E4300 is $5 cheaper. In terms of value (PassMark points per dollar), the Core 2 Duo E4300 delivers 201.0 pts/$ vs 99.0 pts/$ for the Athlon II X2 260u — making the Core 2 Duo E4300 the 68% better value option.
| Feature | Core 2 Duo E4300 | Athlon II X2 260u |
|---|---|---|
| MSRP | $113 | $60-47% |
| Avg Price (30d) | $5-50% | $10 |
| Performance per Dollar | 201.0+103% | 99.0 |
| Release Date | 2006 | 2009 |
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