Pentium Gold G6505T vs Xeon L5638

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.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Xeon L5638

#1

Xeon Platinum 8454H

MSRP: $6540|Avg: N/A

11209%

#6

Xeon Gold 6240R

MSRP: $2444|Avg: N/A

2116%

#10

Xeon 6337P

MSRP: $60|Avg: $5

1880%

#15

EPYC 9174F

MSRP: $194|Avg: $30

1453%

#383

EPYC 7551P

MSRP: $2100|Avg: $329

98%

#384

Ryzen Threadripper PRO 7985WX

MSRP: $7349|Avg: $7999

98%

#385

EPYC 9375F

MSRP: $5306|Avg: $108

97%

#386

Xeon w9-3475X

MSRP: $3739|Avg: $3930

94%

#644

Xeon L5638

MSRP: N/A|Avg: N/A

100%

#650

Xeon E3-1275L v3

MSRP: $350|Avg: $29

98%

#652

Xeon E5-1650 v3

MSRP: $583|Avg: N/A

96%

#654

Xeon E3-1225

MSRP: $224|Avg: $205

94%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Generational Difference: This comparison involves processors from different technological eras. The Pentium Gold G6505T (2021) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Pentium Gold G6505T	Xeon L5638
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Comet Lake-R (2021) / 14 nm)	🛑 Legacy (Westmere-EP (2010−2011) / 32 nm)

💎 Value Proposition

The Xeon L5638 (2010) relies on 32 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Pentium Gold G6505T	Xeon L5638
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	Equivalent pricing	Equivalent pricing

Performance Check

Paired with RTX 4090

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.

Pentium Gold G6505T Benchmark Check

Xeon L5638 Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium Gold G6505T and Xeon L5638

Pentium Gold G6505T

The Pentium Gold G6505T 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 3.6 GHz, with boost up to 3.6 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 14 nm process technology. Socket: LGA1200. Thermal design power (TDP): 35 Watt. Memory support: DDR4-2666. Passmark benchmark score: 3,698 points. Launch price was $75.

Xeon L5638

The Xeon L5638 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 GHz, with boost up to 2.4 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: 3,707 points. Launch price was $90.

⚡

Processing Power

The Pentium Gold G6505T packs 2 cores / 4 threads, while the Xeon L5638 offers 6 cores / 12 threads — the Xeon L5638 has 4 more cores. Boost clocks reach 3.6 GHz on the Pentium Gold G6505T versus 2.4 GHz on the Xeon L5638 — a 40% clock advantage for the Pentium Gold G6505T (base: 3.6 GHz vs 2 GHz). The Pentium Gold G6505T uses the Comet Lake-R (2021) architecture (14 nm), while the Xeon L5638 uses Westmere-EP (2010−2011) (32 nm). In PassMark, the Pentium Gold G6505T scores 3,698 against the Xeon L5638's 3,707 — a 0.2% lead for the Xeon L5638. L3 cache: 4 MB (total) on the Pentium Gold G6505T vs 12 MB (total) on the Xeon L5638.

Feature	Pentium Gold G6505T	Xeon L5638
Cores / Threads	2 / 4	6 / 12+200%
Boost Clock	3.6 GHz+50%	2.4 GHz
Base Clock	3.6 GHz+80%	2 GHz
L3 Cache	4 MB (total)	12 MB (total)+200%
L2 Cache	256 kB (per core)	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Comet Lake-R (2021)	Westmere-EP (2010−2011)
PassMark	3,698	3,707

🧠

Memory & Platform

The Pentium Gold G6505T uses the LGA1200 socket (PCIe 3.0), while the Xeon L5638 uses LGA1366 (PCIe 4.0) — making them incompatible on the same motherboard.