Athlon MP 2800+ vs Sempron 3100+

Athlon MP 2800+ vs Sempron 3100+ Performance Spectrum

Athlon MP 2800+

1 / 1

380

+2.2%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Sempron 3100+

1 / 1

372

0.0%

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 MP 2800+ vs Sempron 3100+ 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 MP 2800+ vs Sempron 3100+: Pros, Cons & Final Verdict

See where each CPU makes more sense in practice: gaming, heavier work, platform cost, power draw, and upgrade path.

Athlon MP 2800+

2003

Why buy it

✅Better for gaming: +10.9% higher average FPS across 50 shared CPU benchmark tests.
✅Draws 60W instead of 62W, a 2W reduction.

Trade-offs

❌Lower PassMark per dollar, at 1.4 vs 5.7 PassMark/$ ($275 MSRP vs $65 MSRP).
❌No boxed cooler included, unlike Sempron 3100+.

Sempron 3100+

2001

Why buy it

✅Costs $210 less on MSRP ($65 MSRP vs $275 MSRP).
✅Delivers 314.2% more PassMark for each dollar spent, at 5.7 vs 1.4 PassMark/$ ($65 MSRP vs $275 MSRP).
✅Includes a boxed cooler (true), unlike Athlon MP 2800+.

Trade-offs

❌Worse for gaming: lower average FPS than Athlon MP 2800+ across 50 shared CPU benchmark tests.
❌Lower PassMark (372 vs 380).

Quick Answers

So, is Athlon MP 2800+ better than Sempron 3100+?

Yes. Athlon MP 2800+ is the better all-around CPU here. It gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data, 2.2% 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, Athlon MP 2800+ is the better pick. According to our tests, it delivers 10.9% 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, Athlon MP 2800+ is the stronger fit. You are getting 2.2% better PassMark, backed by 1 cores and 1 threads.

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

Athlon MP 2800+ is still the much better call for a fresh build. Athlon MP 2800+ comes in 323.1% more expensive on MSRP at $275 MSRP versus $65 MSRP, and it still gives you a 10.9% average FPS lead across 50 shared CPU game tests in our data. Sempron 3100+ only looks stronger on raw value math because it is extremely cheap, but that usually means used-market pricing on an obsolete 2001 platform. Even with 314.2% better value on paper (5.7 vs 1.4 PassMark/$), 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?

Athlon MP 2800+ makes more sense long term for 2026 and beyond. You are getting a newer CPU generation (2003 vs 2001) 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 MP 2800+ vs Sempron 3100+ Technical Specifications

Side-by-side specs, architecture details, clocks, memory, power, and platform differences.

Athlon MP 2800+

The Athlon MP 2800+ is manufactured by AMD. It was released in 6 May 2003 (22 years ago). It is based on the K7 (2000−2004) architecture. It features 1 cores and 1 threads. Max frequency: 2.13 GHz. L2 cache: 512 kB. Built on 130 nm process technology. Thermal design power (TDP): 60 Watt. Passmark benchmark score: 380 points. Launch price was $275.

Sempron 3100+

The Sempron 3100+ is manufactured by AMD. It was released in Janeiro 2001 (24 years ago). It is based on the Palermo (2001−2005) architecture. It features 1 cores and 1 threads. Max frequency: 1.8 GHz. L3 cache: 0 kB. L2 cache: 256 kB. Built on 130 nm process technology. Socket: 754. Thermal design power (TDP): 62 Watt. Passmark benchmark score: 372 points. Launch price was $60.

⚡

Processing Power

Both the Athlon MP 2800+ and Sempron 3100+ share an identical 1-core/1-thread configuration. Boost clocks reach 2.13 GHz on the Athlon MP 2800+ versus 1.8 GHz on the Sempron 3100+ — a 16.8% clock advantage for the Athlon MP 2800+. The Athlon MP 2800+ uses the K7 (2000−2004) architecture (130 nm), while the Sempron 3100+ uses Palermo (2001−2005) (130 nm). In PassMark, the Athlon MP 2800+ scores 380 against the Sempron 3100+'s 372 — a 2.1% lead for the Athlon MP 2800+.

Feature	Athlon MP 2800+	Sempron 3100+
Cores / Threads	1 / 1	1 / 1
Boost Clock	2.13 GHz+18%	1.8 GHz
L3 Cache	—	0 kB
L2 Cache	512 kB+100%	256 kB
Process	130 nm	130 nm
Architecture	K7 (2000−2004)	Palermo (2001−2005)
PassMark	380+2%	372

🧠

Memory & Platform

Maximum memory speed reaches DDR-266 on the Athlon MP 2800+ versus DDR 400 MHz on the Sempron 3100+ — the Sempron 3100+ supports -250.4% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Athlon MP 2800+ supports up to 4 GB of RAM compared to 3 GB — 33.3% more capacity for professional workloads. Both feature 1-channel memory with ECC support. Both provide 0 PCIe lanes. Chipset compatibility: AMD Socket A (Athlon MP 2800+) and nForce3,VIA K8T800 (Sempron 3100+).

Feature	Athlon MP 2800+	Sempron 3100+
Socket	—	754
PCIe Generation	PCIe 1.1	PCIe 2.0+82%
Max RAM Speed	DDR-266	DDR 400 MHz
Max RAM Capacity	4 GB+33%	3 GB
RAM Channels	1	1
ECC Support	Yes	No
PCIe Lanes	0	0

🔧

Advanced Features

Virtualization: not specified (Athlon MP 2800+) / false (Sempron 3100+). Primary use case: Sempron 3100+ targets Budget.

Feature	Athlon MP 2800+	Sempron 3100+
Integrated GPU	No	No
Unlocked	—	No
AVX-512	—	No
Virtualization	—	false
Target Use	—	Budget

💰

Value Analysis

At launch, the Athlon MP 2800+ was priced at $275, while the Sempron 3100+ came in at $65. On launch pricing ($275 vs $65), Sempron 3100+ was $210 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon MP 2800+ delivers 1.4 pts/$ vs 5.7 pts/$ for the Sempron 3100+ — making the Sempron 3100+ the 122.2% better value option.

Feature	Athlon MP 2800+	Sempron 3100+
MSRP	$275	$65-76%
Performance per Dollar	1.4	5.7+307%
Release Date	2003	2001

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