Core M-5Y51 vs Pentium Dual Core T3400

Core M-5Y51

2 Cores4 Thrd512 WWMax: 2.6 GHz2014

Pentium Dual Core T3400

2 Cores2 Thrd1 WWMax: 2.16 GHz2008

Performance Spectrum - CPU

Core M-5Y51

2 / 4

2,030

+0.2%

Pentium Dual Core T3400

2 / 2

2,026

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. The Core M-5Y51 is positioned at rank #1154 in our cost-efficiency ranking, representing a Lower cost-benefit for your build. Components placed above yours deliver better value for money.

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 M-5Y51

#1141

Atom x5-Z8300

MSRP: $20|Avg: N/A

4064%

#1142

Atom Z3735G

MSRP: $17|Avg: N/A

4004%

#1143

Core i5-480M

MSRP: $81|Avg: $77

3676%

#1144

Core i5-460M

MSRP: $80|Avg: $129

3659%

#1145

Core i5-2540M

MSRP: $266|Avg: $10

3626%

#1147

Core i5-450M

MSRP: $32|Avg: $31

3501%

#1148

Core i3-380M

MSRP: $49|Avg: $25

3357%

#1149

Core i5-430M

MSRP: N/A|Avg: $33

3352%

#1150

Core 2 Duo T6600

MSRP: N/A|Avg: $4

3262%

#1153

Core i7-3517UE

MSRP: $330|Avg: $35

100%

#1154

Core M-5Y51

MSRP: $281|Avg: $281

100%

#1155

Pentium N3530

MSRP: $161|Avg: $20

100%

#1156

Core i3-330E

MSRP: $177|Avg: $89

99%

#1158

Core i7-2640M

MSRP: $346|Avg: N/A

98%

#1159

Core M-5Y71

MSRP: $281|Avg: $281

97%

#1161

Core i7-2620M

MSRP: $346|Avg: N/A

97%

#1163

Celeron N3010

MSRP: $107|Avg: N/A

95%

#1164

Core i7-3537U

MSRP: $346|Avg: N/A

94%

#1165

Core M-5Y10c

MSRP: $281|Avg: $281

94%

#1166

Core M-5Y10a

MSRP: $281|Avg: $281

94%

#1167

Core M-5Y31

MSRP: $281|Avg: $30

94%

Based on actual market prices and performance synthetic scores.

Performance Per Dollar

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 Core M-5Y51 (2014) utilizes 14 nm technology and DDR3, providing a fundamental performance advantage.

Insight	Core M-5Y51	Pentium Dual Core T3400
Gaming	✅ Superior gaming performance	❌ Lower gaming performance
Workstation	✅ Better multi-core power	❌ Weaker in multi-core tasks
Price	⚠️ Higher cost ($281)	✅ More affordable ($89)
Longevity	🛑 Legacy (Broadwell-Y (2014) / 14 nm)	🛑 Legacy (NetBurst (2000−2006) / 65 nm)

💎 Value Proposition

The Pentium Dual Core T3400 (2008) relies on 65 nm technology and older memory, placing it in a different performance category relative to modern standards.

Insight	Core M-5Y51	Pentium Dual Core T3400
Cost Efficiency	❌ Lower cost efficiency	✅ Better overall value (+215%)
Upfront Cost	⚠️ Higher cost ($281)	✅ More affordable ($89)

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 M-5Y51 Benchmark Check

Pentium Dual Core T3400 Benchmark Check

Technical Specifications

Side-by-side comparison of Core M-5Y51 and Pentium Dual Core T3400

Core M-5Y51

The Core M-5Y51 is manufactured by Intel. It was released in 27 October 2014 (11 years ago). It is based on the Broadwell-Y (2014) architecture. It features 2 cores and 4 threads. Base frequency is 1.1 GHz, with boost up to 2.6 GHz. L3 cache: 4 MB (total). L2 cache: 256K (per core). Built on 14 nm process technology. Socket: FCBGA1234. Thermal design power (TDP): 4.5 Watt. Memory support: DDR3. Passmark benchmark score: 2,030 points. Launch price was $69.

Pentium Dual Core T3400

The Pentium Dual Core T3400 is manufactured by Intel. It was released in 2007-01-01. It is based on the NetBurst (2000−2006) architecture. It features 2 cores and 2 threads. Max frequency: 2.16 GHz. L2 cache: 1 MB. Built on 65 nm process technology. Socket: PGA478. Thermal design power (TDP): 1 MB. Passmark benchmark score: 2,026 points. Launch price was $69.

⚡

Processing Power

The Core M-5Y51 packs 2 cores / 4 threads, matching the Pentium Dual Core T3400's 2 cores. Boost clocks reach 2.6 GHz on the Core M-5Y51 versus 2.16 GHz on the Pentium Dual Core T3400 — a 18.5% clock advantage for the Core M-5Y51. The Core M-5Y51 uses the Broadwell-Y (2014) architecture (14 nm), while the Pentium Dual Core T3400 uses NetBurst (2000−2006) (65 nm). In PassMark, the Core M-5Y51 scores 2,030 against the Pentium Dual Core T3400's 2,026 — a 0.2% lead for the Core M-5Y51.

Feature	Core M-5Y51	Pentium Dual Core T3400
Cores / Threads	2 / 4	2 / 2
Boost Clock	2.6 GHz+20%	2.16 GHz
Base Clock	1.1 GHz	—
L3 Cache	4 MB (total)	—
L2 Cache	256K (per core)	1 MB+300%
Process	14 nm-78%	65 nm
Architecture	Broadwell-Y (2014)	NetBurst (2000−2006)
PassMark	2,030	2,026

🧠

Memory & Platform

The Core M-5Y51 uses the FCBGA1234 socket (PCIe 3.0), while the Pentium Dual Core T3400 uses PGA478 (PCIe 1.1) — making them incompatible on the same motherboard.

Feature	Core M-5Y51	Pentium Dual Core T3400
Socket	FCBGA1234	PGA478
PCIe Generation	PCIe 3.0+173%	PCIe 1.1

💰

Value Analysis

The Core M-5Y51 launched at $281 MSRP, while the Pentium Dual Core T3400 debuted at $0. At current prices ($281 vs $89), the Pentium Dual Core T3400 is $192 cheaper. In terms of value (PassMark points per dollar), the Core M-5Y51 delivers 7.2 pts/$ vs 22.8 pts/$ for the Pentium Dual Core T3400 — making the Pentium Dual Core T3400 the 103.6% better value option.