
Mobile Athlon 64 3400+

Sempron 145
Mobile Athlon 64 3400+ vs Sempron 145 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.
Mobile Athlon 64 3400+ vs Sempron 145 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
Mobile Athlon 64 3400+ vs Sempron 145: Pros, Cons & Final Verdict
See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.
Mobile Athlon 64 3400+
2005Why buy it
- ✅+0.2% higher PassMark.
- ✅Draws 1W instead of 45W, a 44W reduction.
Trade-offs
- ❌Fewer obvious downsides in this matchup outside of normal market pricing swings.
Sempron 145
2010Why buy it
Trade-offs
- ❌Lower PassMark (544 vs 545).
- ❌4400% higher power demand at 45W vs 1W.
Quick Answers
So, is Mobile Athlon 64 3400+ better than Sempron 145?
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?
Mobile Athlon 64 3400+ vs Sempron 145 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Mobile Athlon 64 3400+
The Mobile Athlon 64 3400+ is manufactured by AMD. It was released in Agosto 2005 (20 years ago). It is based on the Clawhammer (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.2 GHz. L2 cache: 1 MB. Socket: 754. Thermal design power (TDP): 1 MB. Memory support: DDR1. Passmark benchmark score: 545 points. Launch price was $69.

Sempron 145
The Sempron 145 is manufactured by AMD. It was released in 1 September 2010 (15 years ago). It is based on the Sargas (2009−2011) architecture. It features 1 cores and 1 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 1 MB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 45 Watt. Memory support: DDR3. Passmark benchmark score: 544 points. Launch price was $95.
Processing Power
Both the Mobile Athlon 64 3400+ and Sempron 145 share an identical 1-core/1-thread configuration. Boost clocks reach 2.2 GHz on the Mobile Athlon 64 3400+ versus 2.8 GHz on the Sempron 145 — a 24% clock advantage for the Sempron 145. The Mobile Athlon 64 3400+ uses the Clawhammer (2001−2005) architecture, while the Sempron 145 uses Sargas (2009−2011) (45 nm). In PassMark, the Mobile Athlon 64 3400+ scores 545 against the Sempron 145's 544 — a 0.2% lead for the Mobile Athlon 64 3400+.
| Feature | Mobile Athlon 64 3400+ | Sempron 145 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.2 GHz | 2.8 GHz+27% |
| Base Clock | — | 2.8 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 1 MB | 1 MB (per core) |
| Process | — | 45 nm |
| Architecture | Clawhammer (2001−2005) | Sargas (2009−2011) |
| PassMark | 545 | 544 |
Memory & Platform
The Mobile Athlon 64 3400+ uses the 754 socket (PCIe 1.1), while the Sempron 145 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Mobile Athlon 64 3400+ | Sempron 145 |
|---|---|---|
| Socket | 754 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | 400 | — |
| Max RAM Capacity | 2 | — |
| RAM Channels | 1 | — |
| ECC Support | No | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: false (Mobile Athlon 64 3400+) / not specified (Sempron 145). Direct competitor: Mobile Athlon 64 3400+ rivals Pentium M 735.
| Feature | Mobile Athlon 64 3400+ | Sempron 145 |
|---|---|---|
| Integrated GPU | No | — |
| IGPU Model | None | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | false | — |
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