
Pentium Gold 5405U

Xeon E5-2403
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 Pentium Gold 5405U is positioned at rank 476 and the Xeon E5-2403 is on rank 816, so the Pentium Gold 5405U offers better cost-efficiency for playing games.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Pentium Gold 5405U
Performance Per Dollar Xeon E5-2403
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Pentium Gold 5405U | Xeon E5-2403 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ❌ Weaker in multi-core tasks | ✅ Better multi-core power |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | ✨ Modern (Whiskey Lake-U (2018−2019) / 14 nm) | 🛑 Legacy (Sandy Bridge-EN (2012) / 32 nm) |
💎 Value Proposition
| Insight | Pentium Gold 5405U | Xeon E5-2403 |
|---|---|---|
| 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 Pentium Gold 5405U and Xeon E5-2403

Pentium Gold 5405U
The Pentium Gold 5405U is manufactured by Intel. It was released in 23 January 2019 (6 years ago). It is based on the Whiskey Lake-U (2018−2019) architecture. It features 2 cores and 4 threads. Base frequency is 2.3 GHz, with boost up to 2.3 GHz. L3 cache: 2 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: FCBGA1528. Thermal design power (TDP): 15 Watt. Memory support: DDR3, DDR4. Passmark benchmark score: 2,357 points. Launch price was $161.

Xeon E5-2403
The Xeon E5-2403 is manufactured by Intel. It was released in 14 May 2012 (13 years ago). It is based on the Sandy Bridge-EN (2012) architecture. It features 4 cores and 4 threads. Base frequency is 1.8 GHz, with boost up to 1.8 GHz. L3 cache: 10240 kB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: LGA1356. Thermal design power (TDP): 80 Watt. Memory support: DDR3. Passmark benchmark score: 2,367 points. Launch price was $230.
Processing Power
The Pentium Gold 5405U packs 2 cores / 4 threads, while the Xeon E5-2403 offers 4 cores / 4 threads — the Xeon E5-2403 has 2 more cores. Boost clocks reach 2.3 GHz on the Pentium Gold 5405U versus 1.8 GHz on the Xeon E5-2403 — a 24.4% clock advantage for the Pentium Gold 5405U (base: 2.3 GHz vs 1.8 GHz). The Pentium Gold 5405U uses the Whiskey Lake-U (2018−2019) architecture (14 nm), while the Xeon E5-2403 uses Sandy Bridge-EN (2012) (32 nm). In PassMark, the Pentium Gold 5405U scores 2,357 against the Xeon E5-2403's 2,367 — a 0.4% lead for the Xeon E5-2403. L3 cache: 2 MB (total) on the Pentium Gold 5405U vs 10240 kB (total) on the Xeon E5-2403.
| Feature | Pentium Gold 5405U | Xeon E5-2403 |
|---|---|---|
| Cores / Threads | 2 / 4 | 4 / 4+100% |
| Boost Clock | 2.3 GHz+28% | 1.8 GHz |
| Base Clock | 2.3 GHz+28% | 1.8 GHz |
| L3 Cache | 2 MB (total) | 10240 kB (total)+400% |
| L2 Cache | 256 kB (per core) | 256 kB (per core) |
| Process | 14 nm-56% | 32 nm |
| Architecture | Whiskey Lake-U (2018−2019) | Sandy Bridge-EN (2012) |
| PassMark | 2,357 | 2,367 |
Memory & Platform
The Pentium Gold 5405U uses the FCBGA1528 socket (PCIe 3.0), while the Xeon E5-2403 uses LGA1356 (PCIe 2.0) — making them incompatible on the same motherboard.
| Feature | Pentium Gold 5405U | Xeon E5-2403 |
|---|---|---|
| Socket | FCBGA1528 | LGA1356 |
| PCIe Generation | PCIe 3.0+50% | PCIe 2.0 |
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