Athlon 64 3300+ vs Sempron 145

Athlon 64 3300+ vs Sempron 145 Performance Spectrum

Athlon 64 3300+

1 / 1

522

0.0%

Athlon XP 2200+

Athlon XP 2600+

Mobile Athlon 64 2700+

Athlon 64 3000+

Ryzen 5 PRO 220

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Sempron 145

1 / 1

544

+4.2%

Athlon XP 2200+

Athlon XP 2700+

Mobile Athlon 64 2800+

Athlon 64 3100+

Ryzen 5 PRO 220

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

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 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.

Athlon 64 3300+ 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 3300+

2004

Why buy it

✅Includes a boxed cooler (Stock Cooler), unlike Sempron 145.

Trade-offs

❌Worse for gaming: lower average FPS than Sempron 145 across 50 shared CPU benchmark tests.
❌Lower PassMark (522 vs 544).
❌Launch MSRP is still $200 MSRP, while Sempron 145 mostly shows up through inconsistent older-market listings.
❌97.8% higher power demand at 89W vs 45W.

Sempron 145

2010

Why buy it

✅Better for gaming: +7.4% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 45W instead of 89W, a 44W reduction.

Trade-offs

❌No boxed cooler included, unlike Athlon 64 3300+.

Quick Answers

So, is Sempron 145 better than Athlon 64 3300+?

Yes. Sempron 145 is the better all-around CPU here. It gives you a 7.4% average FPS lead across 50 shared CPU game tests in our data, 4.2% better PassMark, and the stronger long-term platform, which is enough to make it the stronger overall pick.

Which one is better for gaming?

If gaming is the priority, Sempron 145 is the better pick. According to our tests, it delivers 7.4% more average FPS across 50 shared CPU game tests.

Which one is better for streaming, content creation, and heavy multitasking?

For streaming, content creation, and heavier multitasking, Sempron 145 is the stronger fit. You are getting 4.2% better PassMark, backed by 1 cores and 1 threads.

Which one is the smarter buy today, not just the cheaper CPU?

Sempron 145 is still the much better call for a fresh build. Sempron 145 comes in at an unclear MSRP at unclear MSRP versus $200 MSRP, and it still gives you a 7.4% average FPS lead across 50 shared CPU game tests in our data. Athlon 64 3300+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2004 platform. Even with 100.0% better value on paper (2.6 vs 0.0 PassMark/$), it really only makes sense as a cheap stopgap or a niche existing-platform option for someone already on 754.

Which one is more future-proof for 2026 and beyond?

Sempron 145 makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2010 vs 2004) and more multi-core headroom with 1 cores / 1 threads instead of 1/1. That extra compute headroom is more likely to matter as games, background tasks, and creator workloads get heavier.

Athlon 64 3300+ vs Sempron 145 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 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.

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Processing Power

Both the Athlon 64 3300+ and Sempron 145 share an identical 1-core/1-thread configuration. Boost clocks reach 2.4 GHz on the Athlon 64 3300+ versus 2.8 GHz on the Sempron 145 — a 15.4% clock advantage for the Sempron 145. The Athlon 64 3300+ uses the NewCastle (2004) architecture (130 nm), while the Sempron 145 uses Sargas (2009−2011) (45 nm). In PassMark, the Athlon 64 3300+ scores 522 against the Sempron 145's 544 — a 4.1% lead for the Sempron 145. Both processors carry 0 kB of L3 cache.

Feature	Athlon 64 3300+	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	256 kB	1 MB (per core)+300%
Process	130 nm	45 nm-65%
Architecture	NewCastle (2004)	Sargas (2009−2011)
PassMark	522	544+4%
Geekbench 6 Single	150	—
Geekbench 6 Multi	150	—

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Memory & Platform

The Athlon 64 3300+ uses the 754 socket (PCIe 1.1), while the Sempron 145 uses AM3 (PCIe 2.0) — making them incompatible on the same motherboard.