
Xeon L5640 vs FX-6350

Xeon L5640

FX-6350
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 L5640 is positioned at rank 994 and the FX-6350 is on rank 541, so the FX-6350 offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon L5640
Performance Per Dollar FX-6350
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon L5640 | FX-6350 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | ⚠️ Higher cost ($996) | ✅ More affordable ($55) |
| Longevity | 🛑 Legacy (Westmere-EP (2010−2011) / 32 nm) | 🛑 Legacy (Vishera (2012−2015) / 32 nm) |
💎 Value Proposition
| Insight | Xeon L5640 | FX-6350 |
|---|---|---|
| Cost Efficiency | ❌ Lower cost efficiency | ✅ Better overall value (+1704%) |
| Upfront Cost | ⚠️ Higher cost ($996) | ✅ More affordable ($55) |
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 L5640 and FX-6350

Xeon L5640
The Xeon L5640 is manufactured by Intel. It was released in 16 March 2010 (15 years ago). It is based on the Westmere-EP (2010−2011) architecture. It features 6 cores and 12 threads. Base frequency is 2.26 GHz, with boost up to 2.8 GHz. L3 cache: 12 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1366. Thermal design power (TDP): 60 Watt. Memory support: DDR3. Passmark benchmark score: 4,659 points. Launch price was $200.

FX-6350
The FX-6350 is manufactured by AMD. It was released in 29 April 2013 (12 years ago). It is based on the Vishera (2012−2015) architecture. It features 6 cores and 6 threads. Base frequency is 3.9 GHz, with boost up to 4.2 GHz. L2 cache: 6144 kB. Built on 32 nm process technology. Socket: AM3+. Thermal design power (TDP): 125 Watt. Memory support: DDR3. Passmark benchmark score: 4,640 points. Launch price was $69.
Processing Power
The Xeon L5640 packs 6 cores / 12 threads, matching the FX-6350's 6 cores. Boost clocks reach 2.8 GHz on the Xeon L5640 versus 4.2 GHz on the FX-6350 — a 40% clock advantage for the FX-6350 (base: 2.26 GHz vs 3.9 GHz). The Xeon L5640 uses the Westmere-EP (2010−2011) architecture (32 nm), while the FX-6350 uses Vishera (2012−2015) (32 nm). In PassMark, the Xeon L5640 scores 4,659 against the FX-6350's 4,640 — a 0.4% lead for the Xeon L5640.
| Feature | Xeon L5640 | FX-6350 |
|---|---|---|
| Cores / Threads | 6 / 12 | 6 / 6 |
| Boost Clock | 2.8 GHz | 4.2 GHz+50% |
| Base Clock | 2.26 GHz | 3.9 GHz+73% |
| L3 Cache | 12 MB (total) | — |
| L2 Cache | 256 kB (per core) | 6144 kB+2300% |
| Process | 32 nm | 32 nm |
| Architecture | Westmere-EP (2010−2011) | Vishera (2012−2015) |
| PassMark | 4,659 | 4,640 |
Memory & Platform
The Xeon L5640 uses the LGA1366 socket (PCIe 5.0), while the FX-6350 uses AM3+ (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Xeon L5640 | FX-6350 |
|---|---|---|
| Socket | LGA1366 | AM3+ |
| PCIe Generation | PCIe 5.0+150% | PCIe 2.0 |
| Max RAM Speed | DDR3 1333 MHz | — |
| Max RAM Capacity | 288 GB | — |
| RAM Channels | 3 | — |
| ECC Support | ✅ | — |
| PCIe Lanes | 0 | — |
Advanced Features
Virtualization: true (Xeon L5640) / not specified (FX-6350). Primary use case: Xeon L5640 targets Server Low Power.
| Feature | Xeon L5640 | FX-6350 |
|---|---|---|
| Integrated GPU | No | — |
| Unlocked | No | — |
| AVX-512 | No | — |
| Virtualization | true | — |
| Target Use | Server Low Power | — |
Value Analysis
The Xeon L5640 launched at $996 MSRP, while the FX-6350 debuted at $132.
| Feature | Xeon L5640 | FX-6350 |
|---|---|---|
| MSRP | $996 | $132-87% |
| Avg Price (30d) | — | $55 |
| Release Date | 2010 | 2013 |
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