Pentium Dual Core T3400 vs Core M-5Y51

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.

MSRP is the manufacturer's suggested retail price.•
Avg price is the current average price collected from markets across the web.

Performance Per Dollar

Based on actual market prices and performance synthetic scores.

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 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	Pentium Dual Core T3400	Core M-5Y51
Gaming	❌ Lower gaming performance	✅ Superior gaming performance
Workstation	❌ Weaker in multi-core tasks	✅ Better multi-core power
Price	✅ More affordable ($89)	⚠️ Higher cost ($281)
Longevity	🛑 Legacy (NetBurst (2000−2006) / 65 nm)	🛑 Legacy (Broadwell-Y (2014) / 14 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	Pentium Dual Core T3400	Core M-5Y51
Cost Efficiency	✅ Better overall value (+215%)	❌ Lower cost efficiency
Upfront Cost	✅ More affordable ($89)	⚠️ Higher cost ($281)

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 Dual Core T3400 Benchmark Check

Core M-5Y51 Benchmark Check

Technical Specifications

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

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.

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.

⚡

Processing Power

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

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

🧠

Memory & Platform

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

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

💰

Value Analysis

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