Pentium Gold G6505 vs Phenom II X3 P840

Performance Spectrum - CPU

Pentium Gold G6505

2 / 4

4,371

0.0%

4,425

+1.2%

Ryzen Threadripper PRO 7965WX

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.

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 Phenom II X3 P840

#10

Ryzen 7 260

MSRP: $199|Avg: $70

97%

#33

Atom x5-Z8300

MSRP: $20|Avg: N/A

199%

#34

Atom Z3735G

MSRP: $17|Avg: N/A

196%

#35

Core i5-480M

MSRP: $81|Avg: $77

180%

#36

Core i5-460M

MSRP: $80|Avg: $129

179%

#37

Core i5-2540M

MSRP: $266|Avg: $10

177%

#39

Core i5-450M

MSRP: $32|Avg: $31

171%

#40

Core i3-380M

MSRP: $49|Avg: $25

164%

#41

Core i5-430M

MSRP: N/A|Avg: $33

164%

#42

Core 2 Duo T6600

MSRP: N/A|Avg: $4

160%

#45

Phenom II X3 P840

MSRP: N/A|Avg: N/A

100%

#51

Celeron N2807

MSRP: $107|Avg: $60

95%

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 G6505 (2021) utilizes 14 nm technology and DDR4-2666, providing a fundamental performance advantage.

Insight	Pentium Gold G6505	Phenom II X3 P840
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 (Champlain (2010−2011) / 45 nm)

💎 Value Proposition

The Phenom II X3 P840 (2010) relies on 45 nm technology and DDR3, placing it in a different performance category relative to modern standards.

Insight	Pentium Gold G6505	Phenom II X3 P840
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 G6505 Benchmark Check

Phenom II X3 P840 Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium Gold G6505 and Phenom II X3 P840

Pentium Gold G6505

The Pentium Gold G6505 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 4.2 GHz, with boost up to 4.2 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: 4,371 points. Launch price was $75.

Phenom II X3 P840

The Phenom II X3 P840 is manufactured by AMD. It was released in 2009-01-01. It is based on the Champlain (2010−2011) architecture. It features 3 cores and 3 threads. Max frequency: 1.9 GHz. L2 cache: 1.5 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1.5 MB. Memory support: DDR3. Passmark benchmark score: 4,425 points. Launch price was $149.

⚡

Processing Power

The Pentium Gold G6505 packs 2 cores / 4 threads, while the Phenom II X3 P840 offers 3 cores / 3 threads — the Phenom II X3 P840 has 1 more core. Boost clocks reach 4.2 GHz on the Pentium Gold G6505 versus 1.9 GHz on the Phenom II X3 P840 — a 75.4% clock advantage for the Pentium Gold G6505. The Pentium Gold G6505 uses the Comet Lake-R (2021) architecture (14 nm), while the Phenom II X3 P840 uses Champlain (2010−2011) (45 nm). In PassMark, the Pentium Gold G6505 scores 4,371 against the Phenom II X3 P840's 4,425 — a 1.2% lead for the Phenom II X3 P840.

Feature	Pentium Gold G6505	Phenom II X3 P840
Cores / Threads	2 / 4	3 / 3+50%
Boost Clock	4.2 GHz+121%	1.9 GHz
Base Clock	4.2 GHz	—
L3 Cache	4 MB (total)	—
L2 Cache	256 kB (per core)	1.5 MB+500%
Process	14 nm-69%	45 nm
Architecture	Comet Lake-R (2021)	Champlain (2010−2011)
PassMark	4,371	4,425+1%

🧠

Memory & Platform

The Pentium Gold G6505 uses the LGA1200 socket (PCIe 3.0), while the Phenom II X3 P840 uses S1 (PCIe 2.0) — making them incompatible on the same motherboard.