
Athlon II X2 260u

Core 2 Duo E4300
Athlon II X2 260u vs Core 2 Duo E4300 Performance Spectrum
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 Core 2 Duo E4300 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.

Path of Exile 2

Counter-Strike 2

League of Legends

Valorant

Among Us

Apex Legends

ARC Raiders

Baldur's Gate 3

Call of Duty: Black Ops 6
Athlon II X2 260u vs Core 2 Duo E4300: 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
2009Why buy it
- ✅Costs $53 less on MSRP ($60 MSRP vs $113 MSRP).
- ✅Delivers 85.5% more PassMark for each dollar spent, at 16.5 vs 8.9 PassMark/$ ($60 MSRP vs $113 MSRP).
- ✅Draws 25W instead of 65W, a 40W reduction.
Trade-offs
- ❌Lower PassMark (990 vs 1,005).
Core 2 Duo E4300
2006Why buy it
- ✅+1.5% higher PassMark.
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark per dollar, at 8.9 vs 16.5 PassMark/$ ($113 MSRP vs $60 MSRP).
- ❌160% higher power demand at 65W vs 25W.
Quick Answers
So, is Core 2 Duo E4300 better than Athlon II X2 260u?
Which one is better for gaming?
Which one is better for streaming, content creation, and heavy multitasking?
Which one is the smarter buy today, not just the cheaper CPU?
Which one is more future-proof for 2026 and beyond?
Athlon II X2 260u vs Core 2 Duo E4300 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.

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 66.6% 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 | No | No |
| 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
At launch, the Athlon II X2 260u was priced at $60, while the Core 2 Duo E4300 came in at $113. On launch pricing ($60 vs $113), Athlon II X2 260u was $53 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X2 260u delivers 16.5 pts/$ vs 8.9 pts/$ for the Core 2 Duo E4300 — making the Athlon II X2 260u the 59.9% better value option.
| Feature | Athlon II X2 260u | Core 2 Duo E4300 |
|---|---|---|
| MSRP | $60-47% | $113 |
| Performance per Dollar | 16.5+85% | 8.9 |
| Release Date | 2009 | 2006 |
Affiliate Disclosure
ChipVERSUS is a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for sites to earn advertising fees by advertising and linking to Amazon.com. We may earn a commission on qualifying purchases made through our links. This comes at no additional cost to you and helps support our work in providing comprehensive PC building guides and tools.
Amazon and the Amazon logo are trademarks of Amazon.com, Inc. or its affiliates.
Top Performing CPUs
The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
















