E-240 vs Atom N455

E-240

1 Cores1 Thrd512 WWMax: 1.5 GHz2011

Atom N455

1 Cores2 Thrd512 WWMax: 1.67 GHz2010

Performance Spectrum - CPU

E-240

1 / 1

338

0.0%

Ryzen Threadripper PRO 3955WX

Ryzen Threadripper PRO 7955WX

Ryzen Threadripper 3990X

Atom N455

1 / 2

345

+2.1%

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 E-240 is positioned at rank 1169 and the Atom N455 is on rank 633, so the Atom N455 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 E-240

#1157

Atom x5-Z8300

MSRP: $20|Avg: N/A

4340%

#1158

Atom Z3735G

MSRP: $17|Avg: N/A

4277%

#1159

Core i5-480M

MSRP: $81|Avg: $77

3926%

#1160

Core i5-460M

MSRP: $80|Avg: $129

3908%

#1161

Core i5-2540M

MSRP: $266|Avg: $10

3872%

#1163

Core i5-450M

MSRP: $32|Avg: $31

3740%

#1164

Core i3-380M

MSRP: $49|Avg: $25

3586%

#1165

Core i5-430M

MSRP: N/A|Avg: $33

3580%

#1166

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3484%

#1169

E-240

MSRP: N/A|Avg: N/A

100%

#1170

Celeron 1047UE

MSRP: $100|Avg: $100

100%

#1171

Core M-5Y70

MSRP: $281|Avg: $281

100%

#1172

Celeron U3400

MSRP: $86|Avg: $5

99%

#1173

Celeron T1600

MSRP: $107|Avg: $15

99%

#1174

Pro A12-8800B

MSRP: $400|Avg: $40

99%

#1176

Core i7-2637M

MSRP: $289|Avg: N/A

97%

#1177

Athlon PRO 3045B

MSRP: $426|Avg: $180

96%

#1178

Core 2 Duo SL9600

MSRP: $316|Avg: N/A

96%

#1179

Core 2 Duo T5600

MSRP: $241|Avg: N/A

96%

#1180

Pentium N3510

MSRP: $161|Avg: $161

96%

#1181

Core i7-7Y75

MSRP: $393|Avg: $285

95%

#1183

Core i7-4500U

MSRP: $398|Avg: N/A

93%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Atom N455

#187

Core Ultra 9 288V

MSRP: $600|Avg: $600

98%

#188

Core i7-10870H

MSRP: $417|Avg: N/A

98%

#621

Atom x5-Z8300

MSRP: $20|Avg: N/A

850%

#622

Atom Z3735G

MSRP: $17|Avg: N/A

838%

#623

Core i5-480M

MSRP: $81|Avg: $77

769%

#624

Core i5-460M

MSRP: $80|Avg: $129

766%

#625

Core i5-2540M

MSRP: $266|Avg: $10

759%

#627

Core i5-450M

MSRP: $32|Avg: $31

733%

#628

Core i3-380M

MSRP: $49|Avg: $25

703%

#629

Core i5-430M

MSRP: N/A|Avg: $33

701%

#630

Core 2 Duo T6600

MSRP: N/A|Avg: $4

683%

#633

Atom N455

MSRP: N/A|Avg: N/A

100%

#638

Celeron Dual-Core T1400

MSRP: $80|Avg: $10

99%

Based on actual market prices and performance synthetic scores.

Performance Comparison

About PassMark

🏆 Chipversus Verdict

🚀 Performance Leadership

Performance Leadership: The Atom N455 delivers superior performance across the board. It outperforms the E-240 in both compute-intensive tasks (2% faster) and gaming workloads.

Insight	E-240	Atom N455
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Zacate (2011−2013) / 40 nm)	🛑 Legacy (Pinetrail (2009−2011) / 45 nm)

💎 Value Proposition

Insight	E-240	Atom N455
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.

E-240 Benchmark Check

Atom N455 Benchmark Check

Technical Specifications

Side-by-side comparison of E-240 and Atom N455

E-240

The E-240 is manufactured by AMD. It was released in 4 January 2011 (14 years ago). It is based on the Zacate (2011−2013) architecture. It features 1 cores and 1 threads. Max frequency: 1.5 GHz. L3 cache: 0 kB. L2 cache: 512 kB. Built on 40 nm process technology. Socket: FT1. Thermal design power (TDP): 512 kB. Memory support: DDR3 Single-channel. Passmark benchmark score: 338 points. Launch price was $69.

Atom N455

The Atom N455 is manufactured by Intel. It was released in 1 June 2010 (15 years ago). It is based on the Pinetrail (2009−2011) architecture. It features 1 cores and 2 threads. Base frequency is 1.66 GHz, with boost up to 1.67 GHz. L3 cache: 0 kB. L2 cache: 512K (per core). Built on 45 nm process technology. Socket: FCBGA559. Thermal design power (TDP): 6.5 Watt. Memory support: DDR3. Passmark benchmark score: 345 points. Launch price was $64.

⚡

Processing Power

The E-240 packs 1 cores / 1 threads, matching the Atom N455's 1 cores. Boost clocks reach 1.5 GHz on the E-240 versus 1.67 GHz on the Atom N455 — a 10.7% clock advantage for the Atom N455. The E-240 uses the Zacate (2011−2013) architecture (40 nm), while the Atom N455 uses Pinetrail (2009−2011) (45 nm). In PassMark, the E-240 scores 338 against the Atom N455's 345 — a 2% lead for the Atom N455. Both processors carry 0 kB of L3 cache.

Feature	E-240	Atom N455
Cores / Threads	1 / 1	1 / 2
Boost Clock	1.5 GHz	1.67 GHz+11%
Base Clock	—	1.66 GHz
L3 Cache	0 kB	0 kB
L2 Cache	512 kB	512K (per core)
Process	40 nm-11%	45 nm
Architecture	Zacate (2011−2013)	Pinetrail (2009−2011)
PassMark	338	345+2%