Xeon X5550 vs Athlon Silver 7120U
Xeon X5550
Athlon Silver 7120U
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 Xeon X5550 is positioned at rank 712 and the Athlon Silver 7120U is on rank 976, so the Xeon X5550 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon X5550
Performance Per Dollar Athlon Silver 7120U
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon X5550 | Athlon Silver 7120U |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Gainestown (2009−2010) / 45 nm) | ✨ Modern (Mendocino (Zen 2) (2022−2023) / 6 nm) |
💎 Value Proposition
| Insight | Xeon X5550 | Athlon Silver 7120U |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ❌ Lower cost efficiency |
| Upfront Cost | Equivalent pricing | Equivalent pricing |
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 Xeon X5550 and Athlon Silver 7120U
Xeon X5550
The Xeon X5550 is manufactured by Intel. It was released in 30 March 2009 (16 years ago). It is based on the Gainestown (2009−2010) architecture. It features 4 cores and 8 threads. Base frequency is 2.66 GHz, with boost up to 3.06 GHz. L3 cache: 8 MB (total). L2 cache: 256 kB (per core). Built on 45 nm process technology. Socket: LGA1366. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,036 points. Launch price was $62.
Athlon Silver 7120U
The Athlon Silver 7120U is manufactured by AMD. It was released in 2009-01-01. It is based on the Mendocino (Zen 2) (2022−2023) architecture. It features 2 cores and 2 threads. Base frequency is 2.4 GHz, with boost up to 3.5 GHz. L3 cache: 2 MB (total). L2 cache: 512 kB (per core). Built on 6 nm process technology. Socket: FT6. Thermal design power (TDP): 15 Watt. Memory support: DDR5 Dual-channel. Passmark benchmark score: 3,012 points. Launch price was $149.
Processing Power
The Xeon X5550 packs 4 cores / 8 threads, while the Athlon Silver 7120U offers 2 cores / 2 threads — the Xeon X5550 has 2 more cores. Boost clocks reach 3.06 GHz on the Xeon X5550 versus 3.5 GHz on the Athlon Silver 7120U — a 13.4% clock advantage for the Athlon Silver 7120U (base: 2.66 GHz vs 2.4 GHz). The Xeon X5550 uses the Gainestown (2009−2010) architecture (45 nm), while the Athlon Silver 7120U uses Mendocino (Zen 2) (2022−2023) (6 nm). In PassMark, the Xeon X5550 scores 3,036 against the Athlon Silver 7120U's 3,012 — a 0.8% lead for the Xeon X5550. L3 cache: 8 MB (total) on the Xeon X5550 vs 2 MB (total) on the Athlon Silver 7120U.
| Feature | Xeon X5550 | Athlon Silver 7120U |
|---|---|---|
| Cores / Threads | 4 / 8+100% | 2 / 2 |
| Boost Clock | 3.06 GHz | 3.5 GHz+14% |
| Base Clock | 2.66 GHz+11% | 2.4 GHz |
| L3 Cache | 8 MB (total)+300% | 2 MB (total) |
| L2 Cache | 256 kB (per core) | 512 kB (per core)+100% |
| Process | 45 nm | 6 nm-87% |
| Architecture | Gainestown (2009−2010) | Mendocino (Zen 2) (2022−2023) |
| PassMark | 3,036 | 3,012 |
Memory & Platform
The Xeon X5550 uses the LGA1366 socket (PCIe 2.0), while the Athlon Silver 7120U uses FT6 (PCIe 4.0) — making them incompatible on the same motherboard. Maximum memory speed reaches DDR3-1333 on the Xeon X5550 versus LPDDR5-5500 on the Athlon Silver 7120U — the Athlon Silver 7120U supports 50% faster memory, which can translate to measurable gains in memory-sensitive workloads. Memory channels: 3 (Xeon X5550) vs 2 (Athlon Silver 7120U). Chipset compatibility: Intel X58,Intel 5520 (Xeon X5550) and AMD FT6 (Athlon Silver 7120U).
| Feature | Xeon X5550 | Athlon Silver 7120U |
|---|---|---|
| Socket | LGA1366 | FT6 |
| PCIe Generation | PCIe 2.0 | PCIe 4.0+100% |
| Max RAM Speed | DDR3-1333 | LPDDR5-5500+67% |
| Max RAM Capacity | — | 16 GB |
| RAM Channels | 3+50% | 2 |
| ECC Support | ✅ | ❌ |
| PCIe Lanes | — | 4 |
Advanced Features
Virtualization: VT-x, VT-d, EPT (Xeon X5550) / not specified (Athlon Silver 7120U). The Athlon Silver 7120U includes integrated graphics (AMD Radeon 610M), while the Xeon X5550 requires a dedicated GPU. Primary use case: Xeon X5550 targets Workstation. Direct competitor: Xeon X5550 rivals Core i3-2100.
| Feature | Xeon X5550 | Athlon Silver 7120U |
|---|---|---|
| Integrated GPU | No | Yes |
| IGPU Model | — | AMD Radeon 610M |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | VT-x, VT-d, EPT | — |
| Target Use | Workstation | — |
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