Core i3-8100H vs Phenom II X3 P840

Core i3-8100H

4 Cores4 Thrd1 WWMax: 3 GHz2018

Phenom II X3 P840

3 Cores3 Thrd1.5 WWMax: 1.9 GHz2010

Performance Spectrum - CPU

Core i3-8100H

4 / 4

4,435

+0.2%

4,425

0.0%

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. The Core i3-8100H is positioned at rank 602 and the Phenom II X3 P840 is on rank 45, 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 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 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 Core i3-8100H (2018) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.

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

Core i3-8100H Benchmark Check

Phenom II X3 P840 Benchmark Check

Technical Specifications

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

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.

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

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

🧠

Memory & Platform

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

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

🔧

Advanced Features

Virtualization: VT-x, VT-d (Core i3-8100H) / not specified (Phenom II X3 P840). 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.