Celeron N4020 vs Core i7-640LM

Celeron N4020

2 Cores2 Thrd4 WWMax: 2.8 GHz2019

Core i7-640LM

2 Cores4 Thrd25 WWMax: 2.93 GHz2010

Performance Spectrum - CPU

Celeron N4020

2 / 2

1,535

+0.4%

1,529

0.0%

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 Celeron N4020 is positioned at rank 993 and the Core i7-640LM is on rank 333, so the Core i7-640LM 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 Celeron N4020

#981

Atom x5-Z8300

MSRP: $20|Avg: N/A

2045%

#982

Atom Z3735G

MSRP: $17|Avg: N/A

2015%

#983

Core i5-480M

MSRP: $81|Avg: $77

1849%

#984

Core i5-460M

MSRP: $80|Avg: $129

1841%

#985

Core i5-2540M

MSRP: $266|Avg: $10

1824%

#987

Core i5-450M

MSRP: $32|Avg: $31

1762%

#988

Core i3-380M

MSRP: $49|Avg: $25

1689%

#989

Core i5-430M

MSRP: N/A|Avg: $33

1686%

#990

Core 2 Duo T6600

MSRP: N/A|Avg: $4

1641%

#993

Celeron N4020

MSRP: N/A|Avg: N/A

100%

#994

Core i7-4700EQ

MSRP: $378|Avg: $180

100%

#995

Core i3-8145UE

MSRP: $281|Avg: $50

100%

#996

Core i7-4712MQ

MSRP: $378|Avg: $60

98%

#997

Core i7-3615QE

MSRP: $400|Avg: $100

98%

#998

Celeron M U3400

MSRP: $86|Avg: $5

98%

#999

3015Ce

MSRP: $150|Avg: $40

97%

#1000

Core i7-4700MQ

MSRP: $383|Avg: $50

97%

#1001

Athlon II M340

MSRP: $80|Avg: $15

97%

#1005

Pentium P6000

MSRP: $150|Avg: $90

95%

#1007

Core i7-3630QM

MSRP: $378|Avg: N/A

95%

#1008

Core i7-3610QM

MSRP: $378|Avg: N/A

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Core i7-640LM

#321

Atom x5-Z8300

MSRP: $20|Avg: N/A

480%

#322

Atom Z3735G

MSRP: $17|Avg: N/A

473%

#323

Core i5-480M

MSRP: $81|Avg: $77

434%

#324

Core i5-460M

MSRP: $80|Avg: $129

432%

#325

Core i5-2540M

MSRP: $266|Avg: $10

428%

#327

Core i5-450M

MSRP: $32|Avg: $31

413%

#328

Core i3-380M

MSRP: $49|Avg: $25

396%

#329

Core i5-430M

MSRP: N/A|Avg: $33

396%

#330

Core 2 Duo T6600

MSRP: N/A|Avg: $4

385%

#333

Core i7-640LM

MSRP: N/A|Avg: N/A

100%

#336

Xeon E3-1505M v5

MSRP: $115|Avg: $115

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 Celeron N4020 (2019) utilizes 14 nm technology and DDR4, providing a fundamental performance advantage.

Insight	Celeron N4020	Core i7-640LM
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	✨ Modern (Gemini Lake Refresh (2019) / 14 nm)	🛑 Legacy (Arrandale (2010−2011) / 32 nm)

💎 Value Proposition

The Core i7-640LM (2010) relies on 32 nm technology and DDR3-800, DDR3-1066, placing it in a different performance category relative to modern standards.

Insight	Celeron N4020	Core i7-640LM
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.

Celeron N4020 Benchmark Check

Core i7-640LM Benchmark Check

Check FPS for your specific build

Technical Specifications

Side-by-side comparison of Celeron N4020 and Core i7-640LM

Celeron N4020

The Celeron N4020 is manufactured by Intel. It was released in 2007-01-01. It is based on the Gemini Lake Refresh (2019) architecture. It features 2 cores and 2 threads. Base frequency is 1.1 GHz, with boost up to 2.8 GHz. L3 cache: 4 MB. L2 cache: 4 MB. Built on 14 nm process technology. Socket: FCBGA1090. Thermal design power (TDP): 6 Watt. Memory support: DDR4. Passmark benchmark score: 1,535 points. Launch price was $69.

Core i7-640LM

The Core i7-640LM is manufactured by Intel. It was released in 7 January 2010 (15 years ago). It is based on the Arrandale (2010−2011) architecture. It features 2 cores and 4 threads. Base frequency is 2.13 GHz, with boost up to 2.93 GHz. L3 cache: 4 MB (total). L2 cache: 256 kB (per core). Built on 32 nm process technology. Socket: BGA1288. Thermal design power (TDP): 25 Watt. Memory support: DDR3-800, DDR3-1066. Passmark benchmark score: 1,529 points. Launch price was $332.

⚡

Processing Power

The Celeron N4020 packs 2 cores / 2 threads, matching the Core i7-640LM's 2 cores. Boost clocks reach 2.8 GHz on the Celeron N4020 versus 2.93 GHz on the Core i7-640LM — a 4.5% clock advantage for the Core i7-640LM (base: 1.1 GHz vs 2.13 GHz). The Celeron N4020 uses the Gemini Lake Refresh (2019) architecture (14 nm), while the Core i7-640LM uses Arrandale (2010−2011) (32 nm). In PassMark, the Celeron N4020 scores 1,535 against the Core i7-640LM's 1,529 — a 0.4% lead for the Celeron N4020. L3 cache: 4 MB on the Celeron N4020 vs 4 MB (total) on the Core i7-640LM.

Feature	Celeron N4020	Core i7-640LM
Cores / Threads	2 / 2	2 / 4
Boost Clock	2.8 GHz	2.93 GHz+5%
Base Clock	1.1 GHz	2.13 GHz+94%
L3 Cache	4 MB	4 MB (total)
L2 Cache	4 MB+1500%	256 kB (per core)
Process	14 nm-56%	32 nm
Architecture	Gemini Lake Refresh (2019)	Arrandale (2010−2011)
PassMark	1,535	1,529

🧠

Memory & Platform

The Celeron N4020 uses the FCBGA1090 socket (PCIe 3.0), while the Core i7-640LM uses BGA1288 (PCIe 2.0) — making them incompatible on the same motherboard.

Feature	Celeron N4020	Core i7-640LM
Socket	FCBGA1090	BGA1288
PCIe Generation	PCIe 3.0+50%	PCIe 2.0
Max RAM Speed	—	1066
Max RAM Capacity	—	8
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	16

🔧

Advanced Features

Virtualization: not specified (Celeron N4020) / true (Core i7-640LM). The Core i7-640LM includes integrated graphics (Intel HD Graphics (Ironlake)), while the Celeron N4020 requires a dedicated GPU. Direct competitor: Core i7-640LM rivals Core 2 Duo SL9400.