Athlon 64 3400+
Sempron 145
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.
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
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.
Athlon 64 3400+
2001Why buy it
- ✅+0.2% higher PassMark.
Trade-offs
- ❌Launch MSRP is still $440 MSRP, while Sempron 145 mostly shows up through inconsistent older-market listings.
- ❌97.8% higher power demand at 89W vs 45W.
Sempron 145
2010Why buy it
- ✅Draws 45W instead of 89W, a 44W reduction.
Trade-offs
- ❌Lower PassMark (544 vs 545).
Quick Answers
So, is Sempron 145 better than Athlon 64 3400+?
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 64 3400+ vs Sempron 145 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Athlon 64 3400+
The Athlon 64 3400+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Clawhammer (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 2.4 GHz. L3 cache: 0 kB. L2 cache: 512K. Built on 130 nm process technology. Socket: 754. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 545 points. Launch price was $149.
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 Athlon 64 3400+ and Sempron 145 share an identical 1-core/1-thread configuration. Boost clocks reach 2.4 GHz on the Athlon 64 3400+ versus 2.8 GHz on the Sempron 145 — a 15.4% clock advantage for the Sempron 145. The Athlon 64 3400+ uses the Clawhammer (2001−2005) architecture (130 nm), while the Sempron 145 uses Sargas (2009−2011) (45 nm). In PassMark, the Athlon 64 3400+ scores 545 against the Sempron 145's 544 — a 0.2% lead for the Athlon 64 3400+. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 3400+ | Sempron 145 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.4 GHz | 2.8 GHz+17% |
| Base Clock | — | 2.8 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 512K+51100% | 1 MB (per core) |
| Process | 130 nm | 45 nm-65% |
| Architecture | Clawhammer (2001−2005) | Sargas (2009−2011) |
| PassMark | 545 | 544 |
Memory & Platform
The 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 | Athlon 64 3400+ | Sempron 145 |
|---|---|---|
| Socket | 754 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR-400 | — |
| Max RAM Capacity | 4 GB | — |
| RAM Channels | 1 | — |
| ECC Support | No | — |
| PCIe Lanes | 0 | — |
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