
Xeon E5-2603 v4 vs Pentium Gold G6605

Xeon E5-2603 v4

Pentium Gold G6605
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. The Xeon E5-2603 v4 is positioned at rank #589 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.
Avg price is the current average price collected from markets across the web.
Performance Per Dollar Xeon E5-2603 v4
Performance Per Dollar
Performance Comparison
About PassMark🏆 Chipversus Verdict
🚀 Performance Leadership
| Insight | Xeon E5-2603 v4 | Pentium Gold G6605 |
|---|---|---|
| Gaming | ❌ Lower gaming performance | ✅ Superior gaming performance |
| Workstation | ✅ Better multi-core power | ❌ Weaker in multi-core tasks |
| Price | Equivalent pricing | Equivalent pricing |
| Longevity | 🛑 Legacy (Broadwell (2015−2019) / 14 nm) | ✨ Modern (Comet Lake-R (2021) / 14 nm) |
💎 Value Proposition
| Insight | Xeon E5-2603 v4 | Pentium Gold G6605 |
|---|---|---|
| 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 E5-2603 v4 and Pentium Gold G6605

Xeon E5-2603 v4
The Xeon E5-2603 v4 is manufactured by Intel. It was released in 20 June 2016 (9 years ago). It is based on the Broadwell (2015−2019) architecture. It features 6 cores and 6 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 15 MB. L2 cache: 1.5 MB. Built on 14 nm process technology. Socket: LGA2011. Thermal design power (TDP): 85 Watt. Memory support: DDR4-1600, DDR4-1866. Passmark benchmark score: 4,517 points. Launch price was $213.

Pentium Gold G6605
The Pentium Gold G6605 is manufactured by Intel. It was released in 16 March 2021 (4 years ago). It is based on the Comet Lake-R (2021) architecture. It features 2 cores and 4 threads. Base frequency is 4.3 GHz, with boost up to 4.3 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 58 Watt. Memory support: DDR4-2666. Passmark benchmark score: 4,488 points. Launch price was $86.
Processing Power
The Xeon E5-2603 v4 packs 6 cores / 6 threads, while the Pentium Gold G6605 offers 2 cores / 4 threads — the Xeon E5-2603 v4 has 4 more cores. Boost clocks reach 1.7 GHz on the Xeon E5-2603 v4 versus 4.3 GHz on the Pentium Gold G6605 — a 86.7% clock advantage for the Pentium Gold G6605 (base: 1.7 GHz vs 4.3 GHz). The Xeon E5-2603 v4 uses the Broadwell (2015−2019) architecture (14 nm), while the Pentium Gold G6605 uses Comet Lake-R (2021) (14 nm). In PassMark, the Xeon E5-2603 v4 scores 4,517 against the Pentium Gold G6605's 4,488 — a 0.6% lead for the Xeon E5-2603 v4. L3 cache: 15 MB on the Xeon E5-2603 v4 vs 4 MB (total) on the Pentium Gold G6605.
| Feature | Xeon E5-2603 v4 | Pentium Gold G6605 |
|---|---|---|
| Cores / Threads | 6 / 6+200% | 2 / 4 |
| Boost Clock | 1.7 GHz | 4.3 GHz+153% |
| Base Clock | 1.7 GHz | 4.3 GHz+153% |
| L3 Cache | 15 MB+275% | 4 MB (total) |
| L2 Cache | 1.5 MB+500% | 256 kB (per core) |
| Process | 14 nm | 14 nm |
| Architecture | Broadwell (2015−2019) | Comet Lake-R (2021) |
| PassMark | 4,517 | 4,488 |
Memory & Platform
The Xeon E5-2603 v4 uses the LGA2011 socket (PCIe 3.0), while the Pentium Gold G6605 uses LGA1200 (PCIe 3.0) — making them incompatible on the same motherboard.
| Feature | Xeon E5-2603 v4 | Pentium Gold G6605 |
|---|---|---|
| Socket | LGA2011 | LGA1200 |
| PCIe Generation | PCIe 3.0 | PCIe 3.0 |
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