FX-8100 vs Atom x7433RE
FX-8100
Atom x7433RE
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. Components placed above yours deliver better value for money. The FX-8100 is positioned at rank 928 and the Atom x7433RE is on rank 309, so the Atom x7433RE offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar FX-8100
Performance Per Dollar Atom x7433RE
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | FX-8100 | Atom x7433RE |
|---|---|---|
| Gaming | ✅ Superior gaming performance | ❌ Lower gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
| Longevity | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) | ✨ Modern (Amston Lake (2024−2025) / 10 nm) |
💎 Value Proposition
| Insight | FX-8100 | Atom x7433RE |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | ⚠️ Higher cost ($50) | ✅ More affordable ($0) |
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 FX-8100 and Atom x7433RE
FX-8100
The FX-8100 is manufactured by AMD. It was released in 12 October 2011 (14 years ago). It is based on the Zambezi (2011−2012) architecture. It features 8 cores and 8 threads. Base frequency is 2.8 GHz, with boost up to 3.7 GHz. L3 cache: 8 MB (total). L2 cache: 8 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 4,095 points. Launch price was $69.
Atom x7433RE
The Atom x7433RE is manufactured by Intel. It was released in 8 April 2024 (1 year ago). It is based on the Amston Lake (2024−2025) architecture. It features 4 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 2 MB (total). Built on 10 nm process technology. Socket: FCBGA1264. Thermal design power (TDP): 9 Watt. Memory support: DDR4, DDR5. Passmark benchmark score: 4,049 points. Launch price was $63.
Processing Power
The FX-8100 packs 8 cores / 8 threads, while the Atom x7433RE offers 4 cores / 4 threads — the FX-8100 has 4 more cores. Boost clocks reach 3.7 GHz on the FX-8100 versus 3.4 GHz on the Atom x7433RE — a 8.5% clock advantage for the FX-8100 (base: 2.8 GHz vs 1.5 GHz). The FX-8100 uses the Zambezi (2011−2012) architecture (32 nm), while the Atom x7433RE uses Amston Lake (2024−2025) (10 nm). In PassMark, the FX-8100 scores 4,095 against the Atom x7433RE's 4,049 — a 1.1% lead for the FX-8100. L3 cache: 8 MB (total) on the FX-8100 vs 6 MB (total) on the Atom x7433RE.
| Feature | FX-8100 | Atom x7433RE |
|---|---|---|
| Cores / Threads | 8 / 8+100% | 4 / 4 |
| Boost Clock | 3.7 GHz+9% | 3.4 GHz |
| Base Clock | 2.8 GHz+87% | 1.5 GHz |
| L3 Cache | 8 MB (total)+33% | 6 MB (total) |
| L2 Cache | 8 MB+300% | 2 MB (total) |
| Process | 32 nm | 10 nm-69% |
| Architecture | Zambezi (2011−2012) | Amston Lake (2024−2025) |
| PassMark | 4,095+1% | 4,049 |
| Geekbench 6 Single | 455 | — |
| Geekbench 6 Multi | 1,621 | — |
Memory & Platform
The FX-8100 uses the AM3+ socket (PCIe 2.0), while the Atom x7433RE uses FCBGA1264 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1866 on the FX-8100 versus DDR5-4800 on the Atom x7433RE — the Atom x7433RE supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Both support up to 16 GB of RAM. Memory channels: 2 (FX-8100) vs 1 (Atom x7433RE). PCIe lanes: 0 (FX-8100) vs 9 (Atom x7433RE) — the Atom x7433RE offers 9 more lanes for additional GPUs or NVMe drives. Chipset compatibility: AMD 990FX,AMD 970 (FX-8100) and Intel BGA1264 (Atom x7433RE).
| Feature | FX-8100 | Atom x7433RE |
|---|---|---|
| Socket | AM3+ | FCBGA1264 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1866 | DDR5-4800+67% |
| Max RAM Capacity | 16 GB | 16 GB |
| RAM Channels | 2+100% | 1 |
| ECC Support | ❌ | ✅ |
| PCIe Lanes | 0 | 9 |
Advanced Features
Virtualization: AMD-V (FX-8100) / not specified (Atom x7433RE). The Atom x7433RE includes integrated graphics (Intel UHD Graphics (32EU)), while the FX-8100 requires a dedicated GPU.
| Feature | FX-8100 | Atom x7433RE |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | Intel UHD Graphics (32EU) |
| Unlocked | Yes | — |
| AVX-512 | No | — |
| Virtualization | AMD-V | — |
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The most powerful cpus ranked by PassMark CPU Mark benchmark scores.
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