Athlon II Neo K125 vs Pentium 4405Y

Performance Spectrum - CPU

Athlon II Neo K125

1 / 1

1,491

+0.1%

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Pentium 4405Y

2 / 4

1,490

0.0%

Celeron J1800

Pentium Dual-Core E2200

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 Athlon II Neo K125 is positioned at rank 982 and the Pentium 4405Y is on rank 910, so the Pentium 4405Y 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 Athlon II Neo K125

#970

Atom x5-Z8300

MSRP: $20|Avg: N/A

1968%

#971

Atom Z3735G

MSRP: $17|Avg: N/A

1939%

#972

Core i5-480M

MSRP: $81|Avg: $77

1780%

#973

Core i5-460M

MSRP: $80|Avg: $129

1772%

#974

Core i5-2540M

MSRP: $266|Avg: $10

1756%

#976

Core i5-450M

MSRP: $32|Avg: $31

1696%

#977

Core i3-380M

MSRP: $49|Avg: $25

1626%

#978

Core i5-430M

MSRP: N/A|Avg: $33

1623%

#979

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1579%

#982

Athlon II Neo K125

MSRP: $100|Avg: $100

100%

#986

Pro A8-8600B

MSRP: $150|Avg: $25

99%

#991

Pentium 8500

MSRP: $200|Avg: $200

97%

#992

A6-8500P

MSRP: $100|Avg: $16

97%

#994

Core i7-4700EQ

MSRP: $378|Avg: $180

96%

#995

Core i3-8145UE

MSRP: $281|Avg: $50

96%

#996

Core i7-4712MQ

MSRP: $378|Avg: $60

94%

#997

Core i7-3615QE

MSRP: $400|Avg: $100

94%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium 4405Y

#898

Atom x5-Z8300

MSRP: $20|Avg: N/A

1575%

#899

Atom Z3735G

MSRP: $17|Avg: N/A

1552%

#900

Core i5-480M

MSRP: $81|Avg: $77

1425%

#901

Core i5-460M

MSRP: $80|Avg: $129

1418%

#902

Core i5-2540M

MSRP: $266|Avg: $10

1405%

#904

Core i5-450M

MSRP: $32|Avg: $31

1357%

#905

Core i3-380M

MSRP: $49|Avg: $25

1301%

#906

Core i5-430M

MSRP: N/A|Avg: $33

1299%

#907

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1264%

#910

Pentium 4405Y

MSRP: N/A|Avg: N/A

100%

#911

Core i7-6820HK

MSRP: $378|Avg: N/A

100%

#912

Athlon II Neo K325

MSRP: $60|Avg: $25

99%

#919

Core i5-8365UE

MSRP: $297|Avg: $297

98%

#921

A6 Pro-7050B

MSRP: $100|Avg: $15

98%

#923

Athlon II N370

MSRP: $60|Avg: $10

97%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Athlon II Neo K125 delivers superior performance across the board. It outperforms the Pentium 4405Y in both compute-intensive tasks (0.1% faster) and gaming workloads.

Insight	Athlon II Neo K125	Pentium 4405Y
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($100)	✅ More affordable ($0)
Longevity	🛑 Legacy (Geneva (2010) / 45 nm)	🛑 Legacy (NetBurst (2000−2006) / 14 nm)

💎 Value Proposition

Insight	Athlon II Neo K125	Pentium 4405Y
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($100)	✅ More affordable ($0)

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.

Athlon II Neo K125 Benchmark Check

Pentium 4405Y Benchmark Check

Technical Specifications

Side-by-side comparison of Athlon II Neo K125 and Pentium 4405Y

Athlon II Neo K125

The Athlon II Neo K125 is manufactured by AMD. It was released in 2009-01-01. It is based on the Geneva (2010) architecture. It features 1 cores and 1 threads. Max frequency: 1.7 GHz. L2 cache: 1 MB. Built on 45 nm process technology. Socket: S1. Thermal design power (TDP): 1 MB. Memory support: DDR3. Passmark benchmark score: 1,491 points. Launch price was $149.

Pentium 4405Y

The Pentium 4405Y is manufactured by Intel. It was released in 1 September 2015 (10 years ago). It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 4 threads. Base frequency is 1.5 GHz, with boost up to 1.5 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 14 nm process technology. Socket: FCBGA1515. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,490 points. Launch price was $161.

⚡

Processing Power

The Athlon II Neo K125 packs 1 cores / 1 threads, while the Pentium 4405Y offers 2 cores / 4 threads — the Pentium 4405Y has 1 more core. Boost clocks reach 1.7 GHz on the Athlon II Neo K125 versus 1.5 GHz on the Pentium 4405Y — a 12.5% clock advantage for the Athlon II Neo K125. The Athlon II Neo K125 uses the Geneva (2010) architecture (45 nm), while the Pentium 4405Y uses NetBurst (2000−2006) (14 nm). In PassMark, the Athlon II Neo K125 scores 1,491 against the Pentium 4405Y's 1,490 — a 0.1% lead for the Athlon II Neo K125.

Feature	Athlon II Neo K125	Pentium 4405Y
Cores / Threads	1 / 1	2 / 4+100%
Boost Clock	1.7 GHz+13%	1.5 GHz
Base Clock	—	1.5 GHz
L3 Cache	—	2 MB
L2 Cache	1 MB+100%	512 kB
Process	45 nm	14 nm-69%
Architecture	Geneva (2010)	NetBurst (2000−2006)
PassMark	1,491	1,490

🧠

Memory & Platform

The Athlon II Neo K125 uses the S1 socket (PCIe 2.0), while the Pentium 4405Y uses FCBGA1515 (PCIe 3.0) — making them incompatible on the same motherboard.