Phenom II X3 P840 vs Core i3-8100H

Phenom II X3 P840

3 Cores3 Thrd1.5 WWMax: 1.9 GHz2010

Core i3-8100H

4 Cores4 Thrd1 WWMax: 3 GHz2018

Performance Spectrum - CPU

Phenom II X3 P840

3 / 3

4,425

0.0%

Ryzen Threadripper PRO 7965WX

Core i3-8100H

4 / 4

4,435

+0.2%

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 Phenom II X3 P840 is positioned at rank 45 and the Core i3-8100H is on rank 602, so the Phenom II X3 P840 offers better cost-efficiency for playing games.

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

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 Per Dollar Core i3-8100H

#185

Ryzen 7 5825C

MSRP: $400|Avg: $400

98%

#590

Atom x5-Z8300

MSRP: $20|Avg: N/A

794%

#591

Atom Z3735G

MSRP: $17|Avg: N/A

782%

#592

Core i5-480M

MSRP: $81|Avg: $77

718%

#593

Core i5-460M

MSRP: $80|Avg: $129

715%

#594

Core i5-2540M

MSRP: $266|Avg: $10

708%

#596

Core i5-450M

MSRP: $32|Avg: $31

684%

#597

Core i3-380M

MSRP: $49|Avg: $25

656%

#598

Core i5-430M

MSRP: N/A|Avg: $33

655%

#599

Core 2 Duo T6600

MSRP: N/A|Avg: $4

637%

#602

Core i3-8100H

MSRP: N/A|Avg: N/A

100%

#608

Ryzen AI 5 330

MSRP: $350|Avg: $350

99%

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 Core i3-8100H (2018) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Phenom II X3 P840	Core i3-8100H
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Champlain (2010−2011) / 45 nm)	✨ Modern (Coffee Lake-H (2018−2019) / 14 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	Phenom II X3 P840	Core i3-8100H
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.

Phenom II X3 P840 Benchmark Check

Core i3-8100H Benchmark Check

Technical Specifications

Side-by-side comparison of Phenom II X3 P840 and Core i3-8100H

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.

Core i3-8100H

The Core i3-8100H is manufactured by Intel. It was released in 3 July 2018 (7 years ago). It is based on the Coffee Lake-H (2018−2019) architecture. It features 4 cores and 4 threads. Base frequency is 3 GHz, with boost up to 3 GHz. L3 cache: 6 MB. L2 cache: 1 MB. Built on 14 nm process technology. Socket: BGA1440. Thermal design power (TDP): 45 Watt. Memory support: DDR4. Passmark benchmark score: 4,435 points. Launch price was $225.

⚡

Processing Power

The Phenom II X3 P840 packs 3 cores / 3 threads, while the Core i3-8100H offers 4 cores / 4 threads — the Core i3-8100H has 1 more core. Boost clocks reach 1.9 GHz on the Phenom II X3 P840 versus 3 GHz on the Core i3-8100H — a 44.9% clock advantage for the Core i3-8100H. The Phenom II X3 P840 uses the Champlain (2010−2011) architecture (45 nm), while the Core i3-8100H uses Coffee Lake-H (2018−2019) (14 nm). In PassMark, the Phenom II X3 P840 scores 4,425 against the Core i3-8100H's 4,435 — a 0.2% lead for the Core i3-8100H.

Feature	Phenom II X3 P840	Core i3-8100H
Cores / Threads	3 / 3	4 / 4+33%
Boost Clock	1.9 GHz	3 GHz+58%
Base Clock	—	3 GHz
L3 Cache	—	6 MB
L2 Cache	1.5 MB+50%	1 MB
Process	45 nm	14 nm-69%
Architecture	Champlain (2010−2011)	Coffee Lake-H (2018−2019)
PassMark	4,425	4,435

🧠

Memory & Platform

The Phenom II X3 P840 uses the S1 socket (PCIe 2.0), while the Core i3-8100H uses BGA1440 (PCIe 3.0) — making them incompatible on the same motherboard.

Feature	Phenom II X3 P840	Core i3-8100H
Socket	S1	BGA1440
PCIe Generation	PCIe 2.0	PCIe 3.0+50%
Max RAM Speed	—	DDR4-2666
Max RAM Capacity	—	64 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Phenom II X3 P840) / VT-x, VT-d (Core i3-8100H). The Core i3-8100H includes integrated graphics (UHD Graphics 630), while the Phenom II X3 P840 requires a dedicated GPU. Primary use case: Core i3-8100H targets Mobile.