
Athlon 64 3300+

Sempron 140
Athlon 64 3300+ vs Sempron 140 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 3300+ vs Sempron 140 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 3300+ vs Sempron 140: 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 3300+
2004Why buy it
- ✅+1.8% higher PassMark.
Trade-offs
- ❌Lower Geekbench single-core performance for gaming (150 vs 292).
- ❌Launch MSRP is still $200 MSRP, while Sempron 140 mostly shows up through inconsistent older-market listings.
- ❌97.8% higher power demand at 89W vs 45W.
Sempron 140
2009Why buy it
- ✅+94.7% higher Geekbench single-core performance for gaming and desktop responsiveness.
- ✅Draws 45W instead of 89W, a 44W reduction.
Trade-offs
- ❌Lower PassMark (513 vs 522).
Quick Answers
So, is Sempron 140 better than Athlon 64 3300+?
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 3300+ vs Sempron 140 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Athlon 64 3300+
The Athlon 64 3300+ is manufactured by AMD. It was released in 2009-01-01. It is based on the NewCastle (2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.4 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: 754. Thermal design power (TDP): 89 Watt. Passmark benchmark score: 522 points. Launch price was $149.

Sempron 140
The Sempron 140 is manufactured by AMD. It was released in 22 July 2009 (16 years ago). It is based on the Sargas (2009−2011) architecture. It features 1 cores and 1 threads. Base frequency is 2.7 GHz, with boost up to 2.7 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: 513 points. Launch price was $40.
Processing Power
Both the Athlon 64 3300+ and Sempron 140 share an identical 1-core/1-thread configuration. Boost clocks reach 2.4 GHz on the Athlon 64 3300+ versus 2.7 GHz on the Sempron 140 — a 11.8% clock advantage for the Sempron 140. The Athlon 64 3300+ uses the NewCastle (2004) architecture (130 nm), while the Sempron 140 uses Sargas (2009−2011) (45 nm). In PassMark, the Athlon 64 3300+ scores 522 against the Sempron 140's 513 — a 1.7% lead for the Athlon 64 3300+. Geekbench 6 single-core — the metric most relevant to gaming — records 150 vs 292, a 64.3% lead for the Sempron 140 that directly translates to higher frame rates. Both processors carry 0 kB of L3 cache.
| Feature | Athlon 64 3300+ | Sempron 140 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2.4 GHz | 2.7 GHz+13% |
| Base Clock | — | 2.7 GHz |
| L3 Cache | 0 kB | 0 kB |
| L2 Cache | 256 kB | 1 MB (per core)+300% |
| Process | 130 nm | 45 nm-65% |
| Architecture | NewCastle (2004) | Sargas (2009−2011) |
| PassMark | 522+2% | 513 |
| Geekbench 6 Single | 150 | 292+95% |
| Geekbench 6 Multi | 150 | — |
Memory & Platform
The Athlon 64 3300+ uses the 754 socket (PCIe 1.1), while the Sempron 140 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR1-400 on the Athlon 64 3300+ versus DDR3-1066 on the Sempron 140 — the Sempron 140 supports 166.5% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 1 (Athlon 64 3300+) vs 2 (Sempron 140). Chipset compatibility: VIA K8T800,nForce3 (Athlon 64 3300+) and AM3,AM2+ (Sempron 140).
| Feature | Athlon 64 3300+ | Sempron 140 |
|---|---|---|
| Socket | 754 | AM3 |
| PCIe Generation | PCIe 1.1 | PCIe 2.0+82% |
| Max RAM Speed | DDR1-400 | DDR3-1066+167% |
| Max RAM Capacity | 3 GB | — |
| RAM Channels | 1 | 2+100% |
| ECC Support | No | No |
| PCIe Lanes | 0 | — |
Advanced Features
Only the Sempron 140 has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Virtualization support: None (Athlon 64 3300+) vs AMD-V (Sempron 140). Primary use case: Athlon 64 3300+ targets Retro Desktop, Sempron 140 targets Budget. Direct competitor: Sempron 140 rivals Celeron 420.
| Feature | Athlon 64 3300+ | Sempron 140 |
|---|---|---|
| Integrated GPU | No | No |
| IGPU Model | None | — |
| Unlocked | No | Yes |
| AVX-512 | No | No |
| Virtualization | None | AMD-V |
| Target Use | Retro Desktop | Budget |
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