
Athlon II X2 270u

Core 2 Duo E6300
Athlon II X2 270u vs Core 2 Duo E6300 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 270u vs Core 2 Duo E6300 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 270u vs Core 2 Duo E6300: 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 270u
2010Why buy it
- β Costs $95 less on MSRP ($68 MSRP vs $163 MSRP).
- β Delivers 137.4% more PassMark for each dollar spent, at 15.4 vs 6.5 PassMark/$ ($68 MSRP vs $163 MSRP).
- β Draws 25W instead of 65W, a 40W reduction.
Trade-offs
- βLower PassMark (1,045 vs 1,055).
Core 2 Duo E6300
2006Why buy it
- β +1% higher PassMark.
Trade-offs
- βLower PassMark per dollar, at 6.5 vs 15.4 PassMark/$ ($163 MSRP vs $68 MSRP).
- β160% higher power demand at 65W vs 25W.
Quick Answers
So, is Athlon II X2 270u better than Core 2 Duo E6300?
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 270u vs Core 2 Duo E6300 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Athlon II X2 270u
The Athlon II X2 270u is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Regor (2009β2013) architecture. It features 2 cores and 2 threads. Max frequency: 2 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: DDR2, DDR3. Passmark benchmark score: 1,045 points. Launch price was $68.

Core 2 Duo E6300
The Core 2 Duo E6300 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006β2007) architecture. It features 2 cores and 2 threads. Base frequency is 1.86 GHz, with boost up to 1.87 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: 1,055 points. Launch price was $249.
Processing Power
Both the Athlon II X2 270u and Core 2 Duo E6300 share an identical 2-core/2-thread configuration. Boost clocks reach 2 GHz on the Athlon II X2 270u versus 1.87 GHz on the Core 2 Duo E6300 β a 6.7% clock advantage for the Athlon II X2 270u. The Athlon II X2 270u uses the Regor (2009β2013) architecture (45 nm), while the Core 2 Duo E6300 uses Conroe (2006β2007) (65 nm). In PassMark, the Athlon II X2 270u scores 1,045 against the Core 2 Duo E6300's 1,055 β a 1% lead for the Core 2 Duo E6300. Both processors carry 0 kB of L3 cache.
| Feature | Athlon II X2 270u | Core 2 Duo E6300 |
|---|---|---|
| Cores / Threads | 2 / 2 | 2 / 2 |
| Boost Clock | 2 GHz+7% | 1.87 GHz |
| Base Clock | β | 1.86 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 1 MB | 2 MB+100% |
| Process | 45 nm-31% | 65 nm |
| Architecture | Regor (2009β2013) | Conroe (2006β2007) |
| PassMark | 1,045 | 1,055 |
| Cinebench R23 Multi | 531 | β |
| Geekbench 6 Single | 300 | β |
| Geekbench 6 Multi | 550 | β |
Memory & Platform
The Athlon II X2 270u uses the AM3 socket (PCIe 2.0), while the Core 2 Duo E6300 uses LGA775 (PCIe 1.1) β making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X2 270u versus 1066 on the Core 2 Duo E6300 β the Athlon II X2 270u supports 25% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Both feature 2-channel memory with ECC support. Both provide 16 PCIe lanes. Chipset compatibility: AMD 760G,AMD 880G,AMD 970 (Athlon II X2 270u) and P35,G31,G33,P45 (Core 2 Duo E6300).
| Feature | Athlon II X2 270u | Core 2 Duo E6300 |
|---|---|---|
| Socket | AM3 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR3-1333+25% | 1066 |
| Max RAM Capacity | 16 GB | 16 GB |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| PCIe Lanes | 16 | 16 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Athlon II X2 270u) vs true (Core 2 Duo E6300). Primary use case: Athlon II X2 270u targets Office/Budget Desktop. Direct competitor: Athlon II X2 270u rivals Pentium E5700; Core 2 Duo E6300 rivals Athlon 64 X2 3800+.
| Feature | Athlon II X2 270u | Core 2 Duo E6300 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | None |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | true |
| Target Use | Office/Budget Desktop | β |
Value Analysis
At launch, the Athlon II X2 270u was priced at $68, while the Core 2 Duo E6300 came in at $163. On launch pricing ($68 vs $163), Athlon II X2 270u was $95 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon II X2 270u delivers 15.4 pts/$ vs 6.5 pts/$ for the Core 2 Duo E6300 β making the Athlon II X2 270u the 81.5% better value option.
| Feature | Athlon II X2 270u | Core 2 Duo E6300 |
|---|---|---|
| MSRP | $68-58% | $163 |
| Performance per Dollar | 15.4+137% | 6.5 |
| Release Date | 2010 | 2006 |
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