CPU
GPU
Xeon E3-1225
FX-6120
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 E3-1225 is positioned at rank 654 and the FX-6120 is on rank 787, so the Xeon E3-1225 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E3-1225
Performance Per Dollar FX-6120
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E3-1225 | FX-6120 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($205) | ✅ More affordable ($54) |
| Longevity | 🛑 Legacy (Sandy Bridge (2011−2013) / 32 nm) | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E3-1225 | FX-6120 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+275%) |
| Upfront Cost | ⚠️ Higher cost ($205) | ✅ More affordable ($54) |
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 E3-1225 and FX-6120
Xeon E3-1225
The Xeon E3-1225 is manufactured by Intel. It was released in 3 April 2011 (14 years ago). It is based on the Sandy Bridge (2011−2013) architecture. It features 4 cores and 4 threads. Base frequency is 3.1 GHz, with boost up to 3.4 GHz. L3 cache: 6 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1155. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,903 points. Launch price was $150.
FX-6120
The FX-6120 is manufactured by AMD. It was released in 23 October 2012 (13 years ago). It is based on the Zambezi (2011−2012) architecture. It features 6 cores and 6 threads. Base frequency is 3.6 GHz, with boost up to 4.2 GHz. L3 cache: 8 MB (total). L2 cache: 6 MB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 95 Watt. Memory support: DDR3. Passmark benchmark score: 3,853 points. Launch price was $69.
Processing Power
The Xeon E3-1225 packs 4 cores / 4 threads, while the FX-6120 offers 6 cores / 6 threads — the FX-6120 has 2 more cores. Boost clocks reach 3.4 GHz on the Xeon E3-1225 versus 4.2 GHz on the FX-6120 — a 21.1% clock advantage for the FX-6120 (base: 3.1 GHz vs 3.6 GHz). The Xeon E3-1225 uses the Sandy Bridge (2011−2013) architecture (32 nm), while the FX-6120 uses Zambezi (2011−2012) (32 nm). In PassMark, the Xeon E3-1225 scores 3,903 against the FX-6120's 3,853 — a 1.3% lead for the Xeon E3-1225. L3 cache: 6 MB (total) on the Xeon E3-1225 vs 8 MB (total) on the FX-6120.
| Feature | Xeon E3-1225 | FX-6120 |
|---|---|---|
| Cores / Threads | 4 / 4 | 6 / 6+50% |
| Boost Clock | 3.4 GHz | 4.2 GHz+24% |
| Base Clock | 3.1 GHz | 3.6 GHz+16% |
| L3 Cache | 6 MB (total) | 8 MB (total)+33% |
| L2 Cache | 256 kB (per core) | 6 MB+2300% |
| Process | 32 nm | 32 nm |
| Architecture | Sandy Bridge (2011−2013) | Zambezi (2011−2012) |
| PassMark | 3,903+1% | 3,853 |
Memory & Platform
The Xeon E3-1225 uses the LGA1155 socket (PCIe 2.0), while the FX-6120 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E3-1225 | FX-6120 |
|---|---|---|
| Socket | LGA1155 | AM3+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Value Analysis
The Xeon E3-1225 launched at $224 MSRP, while the FX-6120 debuted at $188. At current prices ($205 vs $54), the FX-6120 is $151 cheaper. In terms of value (PassMark points per dollar), the Xeon E3-1225 delivers 19.0 pts/$ vs 71.4 pts/$ for the FX-6120 — making the FX-6120 the 115.7% better value option.
| Feature | Xeon E3-1225 | FX-6120 |
|---|---|---|
| MSRP | $224 | $188-16% |
| Avg Price (30d) | $205 | $54-74% |
| Performance per Dollar | 19.0 | 71.4+276% |
| Release Date | 2011 | 2012 |
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