
Athlon II X3 450 vs Ryzen 7 7800X3D

Athlon II X3 450
Popular choices:

Ryzen 7 7800X3D
Performance Spectrum - CPU
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.
Value Upgrade Path
This is the official ChipVERSUS Value Rating, comparing raw performance (PassMark) per dollar. The Athlon II X3 450 is positioned at rank #761 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Athlon II X3 450
Performance Per Dollar Ryzen 7 7800X3D
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Athlon II X3 450 | Ryzen 7 7800X3D |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ✅ More affordable ($15) | ⚠️ Higher cost ($384) |
| Longevity | 🛑 Legacy (Rana (2009−2011) / 45 nm) | ✨ Modern (Raphael (Zen4) (2022−2023) / 5 nm) |
💎 Value Proposition
| Insight | Athlon II X3 450 | Ryzen 7 7800X3D |
|---|---|---|
| Cost Efficiency | ✅ Better overall value (+39%) | ❌ Lower cost efficiency |
| Upfront Cost | ✅ More affordable ($15) | ⚠️ Higher cost ($384) |
Performance Check
To accurately isolate CPU performance, all benchmarks below use an NVIDIA RTX 4090 as the reference GPU. This eliminates GPU-side bottlenecks and highlights pure processing throughput differences between the CPUs.
Note: Real-world results may vary based on your actual GPU. CPU performance impact is more visible in processing-intensive titles and high-refresh-rate gaming scenarios.
Technical Specifications
Side-by-side comparison of Athlon II X3 450 and Ryzen 7 7800X3D

Athlon II X3 450
The Athlon II X3 450 is manufactured by AMD. It was released in 21 September 2010 (15 years ago). It is based on the Rana (2009−2011) architecture. It features 3 cores and 3 threads. Base frequency is 3.2 GHz, with boost up to 3.2 GHz. L3 cache: 0 kB. L2 cache: 512 kB (per core). Built on 45 nm process technology. Socket: AM3. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 1,865 points. Launch price was $45.

Ryzen 7 7800X3D
The Ryzen 7 7800X3D is manufactured by AMD. It was released in 4 January 2023 (2 years ago). It is based on the Raphael (Zen4) (2022−2023) architecture. It features 8 cores and 16 threads. Base frequency is 4.4 GHz, with boost up to 5 GHz. L3 cache: 96 MB (total). L2 cache: 1 MB (per core). Built on 5 nm process technology. Socket: AM5. Thermal design power (TDP): 120 Watt. Memory support: DDR5-5200. Passmark benchmark score: 34,293 points. Launch price was $449.
Processing Power
The Athlon II X3 450 packs 3 cores / 3 threads, while the Ryzen 7 7800X3D offers 8 cores / 16 threads — the Ryzen 7 7800X3D has 5 more cores. Boost clocks reach 3.2 GHz on the Athlon II X3 450 versus 5 GHz on the Ryzen 7 7800X3D — a 43.9% clock advantage for the Ryzen 7 7800X3D (base: 3.2 GHz vs 4.4 GHz). The Athlon II X3 450 uses the Rana (2009−2011) architecture (45 nm), while the Ryzen 7 7800X3D uses Raphael (Zen4) (2022−2023) (5 nm). In PassMark, the Athlon II X3 450 scores 1,865 against the Ryzen 7 7800X3D's 34,293 — a 179.4% lead for the Ryzen 7 7800X3D. Geekbench 6 single-core — the metric most relevant to gaming — records 380 vs 2,700, a 150.6% lead for the Ryzen 7 7800X3D that directly translates to higher frame rates. Multi-core Geekbench: 980 vs 15,000 (175.5% advantage for the Ryzen 7 7800X3D). L3 cache: 0 kB on the Athlon II X3 450 vs 96 MB (total) on the Ryzen 7 7800X3D.
| Feature | Athlon II X3 450 | Ryzen 7 7800X3D |
|---|---|---|
| Cores / Threads | 3 / 3 | 8 / 16+167% |
| Boost Clock | 3.2 GHz | 5 GHz+56% |
| Base Clock | 3.2 GHz | 4.4 GHz+38% |
| L3 Cache | 0 kB | 96 MB (total) |
| L2 Cache | 512 kB (per core) | 1 MB (per core)+100% |
| Process | 45 nm | 5 nm-89% |
| Architecture | Rana (2009−2011) | Raphael (Zen4) (2022−2023) |
| PassMark | 1,865 | 34,293+1739% |
| Cinebench R23 Multi | — | 18,500 |
| Geekbench 6 Single | 380 | 2,700+611% |
| Geekbench 6 Multi | 980 | 15,000+1431% |
Memory & Platform
The Athlon II X3 450 uses the AM3 socket (PCIe 2.0), while the Ryzen 7 7800X3D uses AM5 (PCIe 5.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Athlon II X3 450 versus DDR5-5200 on the Ryzen 7 7800X3D — the Ryzen 7 7800X3D supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Ryzen 7 7800X3D supports up to 128 GB of RAM compared to 32 GB — 120% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Athlon II X3 450) vs 28 (Ryzen 7 7800X3D) — the Ryzen 7 7800X3D offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: 760G,780G,790GX,880G,970,990FX (Athlon II X3 450) and X670E,X670,B650E,B650,A620 (Ryzen 7 7800X3D).
| Feature | Athlon II X3 450 | Ryzen 7 7800X3D |
|---|---|---|
| Socket | AM3 | AM5 |
| PCIe Generation | PCIe 2.0 | PCIe 5.0+150% |
| Max RAM Speed | DDR3-1333 | DDR5-5200+67% |
| Max RAM Capacity | 32 GB | 128 GB+300% |
| RAM Channels | 2 | 2 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 16 | 28+75% |
Advanced Features
Only the Ryzen 7 7800X3D has an unlocked multiplier for overclocking — a significant advantage for enthusiasts seeking extra performance. Only the Ryzen 7 7800X3D supports AVX-512 instructions — important for machine learning and scientific applications. Both support AMD-V virtualization. The Ryzen 7 7800X3D includes integrated graphics (AMD Radeon Graphics (2-core)), while the Athlon II X3 450 requires a dedicated GPU. Primary use case: Athlon II X3 450 targets Desktop, Ryzen 7 7800X3D targets Gaming. Direct competitor: Ryzen 7 7800X3D rivals Intel Core i7-14700K.
| Feature | Athlon II X3 450 | Ryzen 7 7800X3D |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon Graphics (2-core) |
| Unlocked | No | Yes |
| AVX-512 | No | Yes |
| Virtualization | AMD-V | AMD-V |
| Target Use | Desktop | Gaming |
Value Analysis
The Athlon II X3 450 launched at $87 MSRP, while the Ryzen 7 7800X3D debuted at $449. At current prices ($15 vs $384), the Athlon II X3 450 is $369 cheaper. In terms of value (PassMark points per dollar), the Athlon II X3 450 delivers 124.3 pts/$ vs 89.3 pts/$ for the Ryzen 7 7800X3D — making the Athlon II X3 450 the 32.8% better value option.
| Feature | Athlon II X3 450 | Ryzen 7 7800X3D |
|---|---|---|
| MSRP | $87-81% | $449 |
| Avg Price (30d) | $15-96% | $384 |
| Performance per Dollar | 124.3+39% | 89.3 |
| Release Date | 2010 | 2023 |
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