
Xeon E7340 vs FX-8120

Xeon E7340

FX-8120
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 E7340 is positioned at rank 470 and the FX-8120 is on rank 567, so the Xeon E7340 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E7340
Performance Per Dollar FX-8120
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E7340 | FX-8120 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | ⚠️ Higher cost ($132) | ✅ More affordable ($40) |
| Longevity | 🛑 Legacy (Legacy / 65 nm) | 🛑 Legacy (Zambezi (2011−2012) / 32 nm) |
💎 Value Proposition
| Insight | Xeon E7340 | FX-8120 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+233%) |
| Upfront Cost | ⚠️ Higher cost ($132) | ✅ More affordable ($40) |
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 E7340 and FX-8120

Xeon E7340
The Xeon E7340 is manufactured by Intel. It was released in 2015-01-01. Base frequency: 2.4 GHz. L3 cache: 8 MB L2 Cache. Built on 65 nm process technology. Socket: PGA604. Thermal design power (TDP): 80 Watt. Passmark benchmark score: 6,544 points. Launch price was $800.

FX-8120
The FX-8120 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 3.1 GHz, with boost up to 4 GHz. L3 cache: 8192 kB. L2 cache: 8192 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 6,594 points. Launch price was $149.
Processing Power
The FX-8120 is built on the Zambezi (2011−2012) architecture. In PassMark, the Xeon E7340 scores 6,544 against the FX-8120's 6,594 — a 0.8% lead for the FX-8120. L3 cache: 8 MB L2 Cache on the Xeon E7340 vs 8192 kB on the FX-8120.
| Feature | Xeon E7340 | FX-8120 |
|---|---|---|
| Cores / Threads | — | 8 / 8 |
| Boost Clock | — | 4 GHz |
| Base Clock | 2.4 GHz | 3.1 GHz+29% |
| L3 Cache | 8 MB L2 Cache | 8192 kB |
| L2 Cache | — | 8192 kB |
| Process | 65 nm | 32 nm-51% |
| Architecture | — | Zambezi (2011−2012) |
| PassMark | 6,544 | 6,594 |
Memory & Platform
The Xeon E7340 uses the PGA604 socket (PCIe 2.0), while the FX-8120 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon E7340 | FX-8120 |
|---|---|---|
| Socket | PGA604 | AM3+ |
| PCIe Generation | PCIe 2.0 | PCIe 2.0 |
Value Analysis
The Xeon E7340 launched at $213 MSRP, while the FX-8120 debuted at $205. At current prices ($132 vs $40), the FX-8120 is $92 cheaper. In terms of value (PassMark points per dollar), the Xeon E7340 delivers 49.6 pts/$ vs 164.8 pts/$ for the FX-8120 — making the FX-8120 the 107.5% better value option.
| Feature | Xeon E7340 | FX-8120 |
|---|---|---|
| MSRP | $213 | $205-4% |
| Avg Price (30d) | $132 | $40-70% |
| Performance per Dollar | 49.6 | 164.8+232% |
| Release Date | 2007 | 2011 |
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