Athlon 64 3100+
Celeron 450
Athlon 64 3100+ vs Celeron 450 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 3100+ vs Celeron 450 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 3100+ vs Celeron 450: 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 3100+
2008Why buy it
- ✅+4.1% higher Geekbench multi-core.
- ✅Draws 25W instead of 35W, a 10W reduction.
- ✅100+% more PCIe lanes (16 vs 0) for storage and expansion-heavy builds.
Trade-offs
- ❌Lower PassMark per dollar, at 4.8 vs 9.3 PassMark/$ ($100 MSRP vs $53 MSRP).
Celeron 450
2008Why buy it
- ✅Costs $47 less on MSRP ($53 MSRP vs $100 MSRP).
- ✅Delivers 96.6% more PassMark for each dollar spent, at 9.3 vs 4.8 PassMark/$ ($53 MSRP vs $100 MSRP).
Trade-offs
- ❌Lower Geekbench multi-core (269 vs 280).
- ❌40% higher power demand at 35W vs 25W.
Quick Answers
So, is Athlon 64 3100+ better than Celeron 450?
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 3100+ vs Celeron 450 Technical Specifications
Side-by-side specs, architecture details, clocks, memory, power, and platform differences.
Athlon 64 3100+
The Athlon 64 3100+ is manufactured by AMD. It was released in 2009-01-01. It is based on the Lima (2008−2009) architecture. It features 1 cores and 1 threads. Max frequency: 2 GHz. L2 cache: 512K. Built on 65 nm process technology. Socket: AM2. Thermal design power (TDP): 25 Watt. Memory support: DDR2. Passmark benchmark score: 475 points. Launch price was $149.
Celeron 450
The Celeron 450 is manufactured by Intel. It was released in 31 August 2008 (17 years ago). It is based on the Conroe-L (2007−2008) architecture. It features 1 cores and 1 threads. Base frequency is 2.2 GHz, with boost up to 2.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 35 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 495 points. Launch price was $53.
Processing Power
Both the Athlon 64 3100+ and Celeron 450 share an identical 1-core/1-thread configuration. Boost clocks reach 2 GHz on the Athlon 64 3100+ versus 2.2 GHz on the Celeron 450 — a 9.5% clock advantage for the Celeron 450. The Athlon 64 3100+ uses the Lima (2008−2009) architecture (65 nm), while the Celeron 450 uses Conroe-L (2007−2008) (65 nm). In PassMark, the Athlon 64 3100+ scores 475 against the Celeron 450's 495 — a 4.1% lead for the Celeron 450. Multi-core Geekbench: 280 vs 269 (4% advantage for the Athlon 64 3100+).
| Feature | Athlon 64 3100+ | Celeron 450 |
|---|---|---|
| Cores / Threads | 1 / 1 | 1 / 1 |
| Boost Clock | 2 GHz | 2.2 GHz+10% |
| Base Clock | — | 2.2 GHz |
| L3 Cache | — | 0 kB |
| L2 Cache | 512K | 512 kB |
| Process | 65 nm | 65 nm |
| Architecture | Lima (2008−2009) | Conroe-L (2007−2008) |
| PassMark | 475 | 495+4% |
| Geekbench 6 Single | 280 | — |
| Geekbench 6 Multi | 280+4% | 269 |
Memory & Platform
The Athlon 64 3100+ uses the AM2 socket (PCIe 2.0), while the Celeron 450 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard. Both support up to DDR2-800 memory speed. Both support up to 4 GB of RAM. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Athlon 64 3100+) vs 0 (Celeron 450) — the Athlon 64 3100+ offers 16 more lanes for additional GPUs or NVMe drives. Chipset compatibility: nForce 500,AMD 690G (Athlon 64 3100+) and 945,G31,G41 (Celeron 450).
| Feature | Athlon 64 3100+ | Celeron 450 |
|---|---|---|
| Socket | AM2 | LGA775 |
| PCIe Generation | PCIe 2.0+82% | PCIe 1.1 |
| Max RAM Speed | DDR2-800 | DDR2-800 |
| Max RAM Capacity | 4 GB | 4 GB |
| RAM Channels | 2 | 2 |
| ECC Support | No | No |
| PCIe Lanes | 16 | 0 |
Advanced Features
Neither processor supports overclocking. Virtualization support: AMD-V (Athlon 64 3100+) vs No (Celeron 450). Primary use case: Athlon 64 3100+ targets Legacy Desktop, Celeron 450 targets Budget. Direct competitor: Athlon 64 3100+ rivals Celeron D 352; Celeron 450 rivals Pentium 4 2.80.
| Feature | Athlon 64 3100+ | Celeron 450 |
|---|---|---|
| Integrated GPU | No | No |
| Unlocked | No | No |
| AVX-512 | No | No |
| Virtualization | AMD-V | No |
| Target Use | Legacy Desktop | Budget |
Value Analysis
At launch, the Athlon 64 3100+ was priced at $100, while the Celeron 450 came in at $53. On launch pricing ($100 vs $53), Celeron 450 was $47 cheaper. In terms of value on MSRP (PassMark points per dollar), the Athlon 64 3100+ delivers 4.8 pts/$ vs 9.3 pts/$ for the Celeron 450 — making the Celeron 450 the 65.1% better value option.
| Feature | Athlon 64 3100+ | Celeron 450 |
|---|---|---|
| MSRP | $100 | $53-47% |
| Performance per Dollar | 4.8 | 9.3+94% |
| Release Date | 2008 | 2008 |
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