Core 2 Duo E7400 vs Pentium 3558U

Core 2 Duo E7400

2 Cores2 Thrd65 WWMax: 2.8 GHz2008

Pentium 3558U

2 Cores2 Thrd512 WWMax: 1.7 GHz2014

Performance Spectrum - CPU

Core 2 Duo E7400

2 / 2

1,043

+0.2%

1,041

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 Core 2 Duo E7400 is positioned at rank 544 and the Pentium 3558U is on rank 1123, so the Core 2 Duo E7400 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 2 Duo E7400

Ryzen 9 7950X

MSRP: $194|Avg: $20

8965%

Core i9-10900T

MSRP: $120|Avg: $5

8471%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

6151%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

1853%

Ryzen 9 9950X

MSRP: $649|Avg: $129

1468%

Ryzen 5 8400F

MSRP: $303|Avg: $55

1284%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

735%

Ryzen 5 2600X

MSRP: $229|Avg: $55

726%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

661%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

661%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

653%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

636%

#13

Core i3-9100E

MSRP: $202|Avg: $30

627%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

624%

#15

Core i3-8300T

MSRP: $138|Avg: $25

619%

#377

Core i3-9100HL

MSRP: $225|Avg: $100

99%

#378

Core i9-12900TE

MSRP: $494|Avg: $664

99%

#379

Core i9-9940X

MSRP: $1387|Avg: $850

95%

#544

Core 2 Duo E7400

MSRP: N/A|Avg: N/A

100%

#545

Athlon 5370

MSRP: $55|Avg: $15

100%

#548

Core i3-6100

MSRP: $125|Avg: $30

98%

#549

Core i3-6300T

MSRP: $117|Avg: $15

98%

#550

Core i3-6098P

MSRP: $117|Avg: $59

98%

#551

Core i7-7800X

MSRP: $383|Avg: $254

97%

#552

Core i3-7101TE

MSRP: $117|Avg: $60

97%

#555

FX-8320E

MSRP: $147|Avg: $60

97%

#556

Pentium G3260

MSRP: $64|Avg: $21

95%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Pentium 3558U

#1111

Atom x5-Z8300

MSRP: $20|Avg: N/A

3522%

#1112

Atom Z3735G

MSRP: $17|Avg: N/A

3471%

#1113

Core i5-480M

MSRP: $81|Avg: $77

3186%

#1114

Core i5-460M

MSRP: $80|Avg: $129

3172%

#1115

Core i5-2540M

MSRP: $266|Avg: $10

3143%

#1117

Core i5-450M

MSRP: $32|Avg: $31

3035%

#1118

Core i3-380M

MSRP: $49|Avg: $25

2910%

#1119

Core i5-430M

MSRP: N/A|Avg: $33

2905%

#1120

Core 2 Duo T6600

MSRP: N/A|Avg: $4

2827%

#1123

Pentium 3558U

MSRP: N/A|Avg: N/A

100%

#1124

Core m5-6Y57

MSRP: $281|Avg: $281

100%

#1125

Core i7-610E

MSRP: $250|Avg: $40

99%

#1126

Core i5-5350U

MSRP: $315|Avg: N/A

99%

#1127

Core i3-4100E

MSRP: $225|Avg: $30

99%

#1128

Pentium Dual Core T4300

MSRP: $150|Avg: $99

99%

#1129

Core i7-3520M

MSRP: $346|Avg: N/A

99%

#1130

Core i3-2310E

MSRP: $225|Avg: $20

98%

#1131

Core i5-2510E

MSRP: $230|Avg: $30

98%

#1132

Core m5-6Y54

MSRP: $281|Avg: $281

98%

#1134

Core i3-2330E

MSRP: $225|Avg: $10

97%

#1135

Core i5-4288U

MSRP: $342|Avg: N/A

93%

#1136

Core m3-6Y30

MSRP: $281|Avg: $281

93%

#1137

Core i3-2340UE

MSRP: $200|Avg: $200

93%

#1138

Core i7-2820QM

MSRP: $568|Avg: N/A

93%

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 Pentium 3558U (2014) utilizes 22 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core 2 Duo E7400	Pentium 3558U
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	Equivalent pricing	Equivalent pricing
Longevity	🛑 Legacy (Wolfdale (2008−2010) / 45 nm)	🛑 Legacy (Haswell (2013−2015) / 22 nm)

💎 Value Proposition

The Core 2 Duo E7400 (2008) relies on 45 nm technology and DDR1, DDR2, DDR3, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo E7400	Pentium 3558U
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 2 Duo E7400 Benchmark Check

Pentium 3558U Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo E7400 and Pentium 3558U

Core 2 Duo E7400

The Core 2 Duo E7400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Wolfdale (2008−2010) architecture. It features 2 cores and 2 threads. Base frequency is 2.8 GHz, with boost up to 2.8 GHz. L3 cache: 0 kB. L2 cache: 3 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,043 points. Launch price was $249.

Pentium 3558U

The Pentium 3558U is manufactured by Intel. It was released in 1 January 2014 (11 years ago). It is based on the Haswell (2013−2015) architecture. It features 2 cores and 2 threads. Base frequency is 1.7 GHz, with boost up to 1.7 GHz. L3 cache: 2 MB. L2 cache: 512 kB. Built on 22 nm process technology. Socket: FCBGA1168. Thermal design power (TDP): 15 Watt. Memory support: DDR3. Passmark benchmark score: 1,041 points. Launch price was $161.

⚡

Processing Power

Both the Core 2 Duo E7400 and Pentium 3558U share an identical 2-core/2-thread configuration. Boost clocks reach 2.8 GHz on the Core 2 Duo E7400 versus 1.7 GHz on the Pentium 3558U — a 48.9% clock advantage for the Core 2 Duo E7400 (base: 2.8 GHz vs 1.7 GHz). The Core 2 Duo E7400 uses the Wolfdale (2008−2010) architecture (45 nm), while the Pentium 3558U uses Haswell (2013−2015) (22 nm). In PassMark, the Core 2 Duo E7400 scores 1,043 against the Pentium 3558U's 1,041 — a 0.2% lead for the Core 2 Duo E7400. L3 cache: 0 kB on the Core 2 Duo E7400 vs 2 MB on the Pentium 3558U.

Feature	Core 2 Duo E7400	Pentium 3558U
Cores / Threads	2 / 2	2 / 2
Boost Clock	2.8 GHz+65%	1.7 GHz
Base Clock	2.8 GHz+65%	1.7 GHz
L3 Cache	0 kB	2 MB
L2 Cache	3 MB (total)+500%	512 kB
Process	45 nm	22 nm-51%
Architecture	Wolfdale (2008−2010)	Haswell (2013−2015)
PassMark	1,043	1,041

🧠

Memory & Platform

The Core 2 Duo E7400 uses the LGA775 socket (PCIe 1.1), while the Pentium 3558U uses FCBGA1168 (PCIe 3.0) — making them incompatible on the same motherboard.