Pentium 3558U vs Core 2 Duo E8300

CPU

GPU

Pentium 3558U

2 Cores2 Thrd512 WWMax: 1.7 GHz2014

Core 2 Duo E8300

2 Cores2 Thrd65 WWMax: 2.83 GHz2008

Performance Spectrum - CPU

Pentium 3558U

2 / 2

1,041

+0.2%

1,039

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 Pentium 3558U is positioned at rank 1123 and the Core 2 Duo E8300 is on rank 1060, so the Core 2 Duo E8300 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 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 Per Dollar Core 2 Duo E8300

Ryzen 9 7950X

MSRP: $194|Avg: $20

48935%

Core i9-10900T

MSRP: $120|Avg: $5

46239%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

33573%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

10114%

Ryzen 9 9950X

MSRP: $649|Avg: $129

8011%

Ryzen 5 8400F

MSRP: $303|Avg: $55

7008%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

4014%

Ryzen 5 2600X

MSRP: $229|Avg: $55

3962%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

3607%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

3607%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

3567%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

3470%

#13

Core i3-9100E

MSRP: $202|Avg: $30

3422%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

3408%

#15

Core i3-8300T

MSRP: $138|Avg: $25

3377%

#1060

Core 2 Duo E8300

MSRP: $163|Avg: $20

100%

#1061

Phenom X4 9500

MSRP: $247|Avg: $30

99%

#1062

Celeron D 352

MSRP: $69|Avg: $15

95%

#1063

Core i7-970

MSRP: $1083|Avg: $289

95%

#1064

Core i7-880

MSRP: $583|Avg: $40

92%

#1065

Pentium D 820

MSRP: $241|Avg: $20

92%

#1066

Celeron 2.10

MSRP: $49|Avg: $49

91%

#1067

Core i7-950

MSRP: $562|Avg: $15

91%

#1068

Sempron 3100+

MSRP: $65|Avg: $15

90%

#1069

Athlon II X4 635

MSRP: $400|Avg: $250

88%

#1070

Core 2 Duo E6750

MSRP: $183|Avg: $15

88%

#1071

Core i7-940

MSRP: $562|Avg: $90

85%

#1072

Celeron 2.40

MSRP: $69|Avg: $13

78%

#1073

Sempron 2800+

MSRP: $65|Avg: $29

77%

#1074

Athlon 64 3100+

MSRP: $100|Avg: $15

75%

#1075

Sempron 3600+

MSRP: $105|Avg: $20

73%

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	Pentium 3558U	Core 2 Duo E8300
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	✅ More affordable ($0)	⚠️ Higher cost ($20)
Longevity	🛑 Legacy (Haswell (2013−2015) / 22 nm)	🛑 Legacy (Wolfdale (2008−2010) / 45 nm)

💎 Value Proposition

The Core 2 Duo E8300 (2008) relies on 45 nm technology and DDR1, DDR2, DDR3, placing it in a different performance category relative to modern standards.

Insight	Pentium 3558U	Core 2 Duo E8300
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($0)	⚠️ Higher cost ($20)

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.

Pentium 3558U Benchmark Check

Core 2 Duo E8300 Benchmark Check

Technical Specifications

Side-by-side comparison of Pentium 3558U and Core 2 Duo E8300

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.

Core 2 Duo E8300

The Core 2 Duo E8300 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 2.83 GHz, with boost up to 2.83 GHz. L3 cache: 0 kB. L2 cache: 6 MB (total). Built on 45 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,039 points. Launch price was $249.

⚡

Processing Power

Both the Pentium 3558U and Core 2 Duo E8300 share an identical 2-core/2-thread configuration. Boost clocks reach 1.7 GHz on the Pentium 3558U versus 2.83 GHz on the Core 2 Duo E8300 — a 49.9% clock advantage for the Core 2 Duo E8300 (base: 1.7 GHz vs 2.83 GHz). The Pentium 3558U uses the Haswell (2013−2015) architecture (22 nm), while the Core 2 Duo E8300 uses Wolfdale (2008−2010) (45 nm). In PassMark, the Pentium 3558U scores 1,041 against the Core 2 Duo E8300's 1,039 — a 0.2% lead for the Pentium 3558U. L3 cache: 2 MB on the Pentium 3558U vs 0 kB on the Core 2 Duo E8300.

Feature	Pentium 3558U	Core 2 Duo E8300
Cores / Threads	2 / 2	2 / 2
Boost Clock	1.7 GHz	2.83 GHz+66%
Base Clock	1.7 GHz	2.83 GHz+66%
L3 Cache	2 MB	0 kB
L2 Cache	512 kB	6 MB (total)+1100%
Process	22 nm-51%	45 nm
Architecture	Haswell (2013−2015)	Wolfdale (2008−2010)
PassMark	1,041	1,039
Cinebench R23 Multi	—	1,000
Geekbench 6 Single	—	345
Geekbench 6 Multi	—	771

🧠

Memory & Platform

The Pentium 3558U uses the FCBGA1168 socket (PCIe 3.0), while the Core 2 Duo E8300 uses LGA775 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Pentium 3558U	Core 2 Duo E8300
Socket	FCBGA1168	LGA775
PCIe Generation	PCIe 3.0+173%	PCIe 1.1
Max RAM Speed	—	DDR3-1333
Max RAM Capacity	—	16 GB
RAM Channels	—	2
ECC Support	—	❌
PCIe Lanes	—	16