Core 2 Duo E6400 vs Celeron N3150

CPU

GPU

Core 2 Duo E6400

2 Cores2 Thrd65 WWMax: 2.13 GHz2006

Celeron N3150

4 Cores4 Thrd6 WWMax: 2.08 GHz2015

Performance Spectrum - CPU

Core 2 Duo E6400

2 / 2

1,175

0.0%

1,177

+0.2%

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 E6400 is positioned at rank 1059 and the Celeron N3150 is on rank 208, so the Celeron N3150 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 E6400

Ryzen 9 7950X

MSRP: $194|Avg: $20

48554%

Core i9-10900T

MSRP: $120|Avg: $5

45879%

Ryzen 3 PRO 4355GE

MSRP: $423|Avg: $5

33312%

Ryzen Threadripper 3960X

MSRP: $1399|Avg: $85

10035%

Ryzen 9 9950X

MSRP: $649|Avg: $129

7949%

Ryzen 5 8400F

MSRP: $303|Avg: $55

6954%

Ryzen 7 PRO 2700

MSRP: $299|Avg: $60

3983%

Ryzen 5 2600X

MSRP: $229|Avg: $55

3931%

Ryzen 3 PRO 5350G

MSRP: $150|Avg: $60

3579%

#10

Core Ultra 5 245KF

MSRP: $294|Avg: $189

3579%

#11

Ryzen 5 5500

MSRP: $159|Avg: $85

3539%

#12

Ryzen 5 3600

MSRP: $199|Avg: $80

3443%

#13

Core i3-9100E

MSRP: $202|Avg: $30

3395%

#14

Core Ultra 5 245K

MSRP: $319|Avg: $200

3381%

#15

Core i3-8300T

MSRP: $138|Avg: $25

3351%

#1059

Core 2 Duo E6400

MSRP: $183|Avg: $10

100%

#1060

Core 2 Duo E8300

MSRP: $163|Avg: $20

99%

#1061

Phenom X4 9500

MSRP: $247|Avg: $30

99%

#1062

Celeron D 352

MSRP: $69|Avg: $15

94%

#1063

Core i7-970

MSRP: $1083|Avg: $289

94%

#1064

Core i7-880

MSRP: $583|Avg: $40

92%

#1065

Pentium D 820

MSRP: $241|Avg: $20

91%

#1066

Celeron 2.10

MSRP: $49|Avg: $49

91%

#1067

Core i7-950

MSRP: $562|Avg: $15

90%

#1068

Sempron 3100+

MSRP: $65|Avg: $15

89%

#1069

Core 2 Duo E6750

MSRP: $183|Avg: $15

88%

#1070

Athlon II X4 635

MSRP: $400|Avg: $250

88%

#1071

Core i7-940

MSRP: $562|Avg: $90

84%

#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

74%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar Celeron N3150

#196

Atom x5-Z8300

MSRP: $20|Avg: N/A

374%

#197

Atom Z3735G

MSRP: $17|Avg: N/A

368%

#198

Core i5-480M

MSRP: $81|Avg: $77

338%

#199

Core i5-460M

MSRP: $80|Avg: $129

337%

#200

Core i5-2540M

MSRP: $266|Avg: $10

334%

#202

Core i5-450M

MSRP: $32|Avg: $31

322%

#203

Core i3-380M

MSRP: $49|Avg: $25

309%

#204

Core i5-430M

MSRP: N/A|Avg: $33

308%

#205

Core 2 Duo T6600

MSRP: N/A|Avg: $4

300%

#208

Celeron N3150

MSRP: N/A|Avg: N/A

100%

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 N3150 (2015) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core 2 Duo E6400	Celeron N3150
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	⚠️ Higher cost ($10)	✅ More affordable ($0)
Longevity	🛑 Legacy (Conroe (2006−2007) / 65 nm)	🛑 Legacy (Braswell (2015−2016) / 14 nm)

💎 Value Proposition

The Core 2 Duo E6400 (2006) relies on 65 nm technology and DDR1, DDR2, DDR3, placing it in a different performance category relative to modern standards.

Insight	Core 2 Duo E6400	Celeron N3150
Cost Efficiency	❌ Lower cost efficiency	❌ Lower cost efficiency
Upfront Cost	⚠️ Higher cost ($10)	✅ 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.

Core 2 Duo E6400 Benchmark Check

Celeron N3150 Benchmark Check

Technical Specifications

Side-by-side comparison of Core 2 Duo E6400 and Celeron N3150

Core 2 Duo E6400

The Core 2 Duo E6400 is manufactured by Intel. It was released in 2008-01-01. It is based on the Conroe (2006−2007) architecture. It features 2 cores and 2 threads. Base frequency is 2.13 GHz, with boost up to 2.13 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 65 nm process technology. Socket: LGA775. Thermal design power (TDP): 65 Watt. Memory support: DDR1, DDR2, DDR3. Passmark benchmark score: 1,175 points. Launch price was $249.

Celeron N3150

The Celeron N3150 is manufactured by Intel. It was released in 1 April 2015 (10 years ago). It is based on the Braswell (2015−2016) architecture. It features 4 cores and 4 threads. Base frequency is 1.6 GHz, with boost up to 2.08 GHz. L3 cache: 0 kB. L2 cache: 2 MB. Built on 14 nm process technology. Socket: FCBGA1170. Thermal design power (TDP): 6 Watt. Memory support: DDR3. Passmark benchmark score: 1,177 points. Launch price was $107.

⚡

Processing Power

The Core 2 Duo E6400 packs 2 cores / 2 threads, while the Celeron N3150 offers 4 cores / 4 threads — the Celeron N3150 has 2 more cores. Boost clocks reach 2.13 GHz on the Core 2 Duo E6400 versus 2.08 GHz on the Celeron N3150 — a 2.4% clock advantage for the Core 2 Duo E6400 (base: 2.13 GHz vs 1.6 GHz). The Core 2 Duo E6400 uses the Conroe (2006−2007) architecture (65 nm), while the Celeron N3150 uses Braswell (2015−2016) (14 nm). In PassMark, the Core 2 Duo E6400 scores 1,175 against the Celeron N3150's 1,177 — a 0.2% lead for the Celeron N3150. Both processors carry 0 kB of L3 cache.

Feature	Core 2 Duo E6400	Celeron N3150
Cores / Threads	2 / 2	4 / 4+100%
Boost Clock	2.13 GHz+2%	2.08 GHz
Base Clock	2.13 GHz+33%	1.6 GHz
L3 Cache	0 kB	0 kB
L2 Cache	2 MB	2 MB
Process	65 nm	14 nm-78%
Architecture	Conroe (2006−2007)	Braswell (2015−2016)
PassMark	1,175	1,177

🧠

Memory & Platform

The Core 2 Duo E6400 uses the LGA775 socket (PCIe 1.1), while the Celeron N3150 uses FCBGA1170 (PCIe 3.0) — making them incompatible on the same motherboard. Maximum memory speed reaches 1066 on the Core 2 Duo E6400 versus 1600 on the Celeron N3150 — the Celeron N3150 supports 40.1% faster memory, which can translate to measurable gains in memory-sensitive workloads. The Core 2 Duo E6400 supports up to 16 of RAM compared to 8 — 66.7% more capacity for professional workloads. Both feature 2-channel memory with ECC support. PCIe lanes: 16 (Core 2 Duo E6400) vs 4 (Celeron N3150) — the Core 2 Duo E6400 offers 12 more lanes for additional GPUs or NVMe drives. Chipset compatibility: P35,G31,G33,P45 (Core 2 Duo E6400) and FCBGA1170 (Celeron N3150).

Feature	Core 2 Duo E6400	Celeron N3150
Socket	LGA775	FCBGA1170
PCIe Generation	PCIe 1.1	PCIe 3.0+173%
Max RAM Speed	1066	1600+50%
Max RAM Capacity	16+100%	8
RAM Channels	2	2
ECC Support	❌	❌
PCIe Lanes	16+300%	4

🔧

Advanced Features

Neither processor supports overclocking. Both support true virtualization. The Celeron N3150 includes integrated graphics (Intel HD Graphics (Braswell)), while the Core 2 Duo E6400 requires a dedicated GPU. Direct competitor: Core 2 Duo E6400 rivals Athlon 64 X2 5400+; Celeron N3150 rivals AMD E2-7110.