Which one is better: i7-3740QM or i5-6400?

In our Pixahunt hardware comparison, the choice between i7-3740QM and i5-6400 depends on your workflow. Check our side-by-side benchmark breakdown and power consumption ratings to make the right choice.

What are the current prices in Bangladesh for Intel i7-3740QM vs Intel i5-6400?

i7-3740QM is priced around ৳4,500 while i5-6400 retails around ৳4,500 across computer shops in Bangladesh.

Intel i7-3740QM VS Intel i5-6400

Name: Intel i5-6400
Brand: Intel
Price: 4500 BDT
Availability: InStock

Side-by-side specs comparison, performance benchmarks, TDP power consumption and price in Bangladesh. (একই ক্যাটাগরির নিখুঁত তুলনামূলক বিশ্লেষণ)

✓

🏆 Overall Winner (সেরা পছন্দ)

Processor Intel

Intel i7-3740QM

Intel Core i7-3740QM 4-Core, 8-Thread Mobile Processor

৳4,500 ($35)

Pixahunt Rating Editorial & Specs Score

76/100

View Specs ↗

Processor Intel

Intel i5-6400

Intel Core i5-6400 Quad-Core Desktop Processor

৳4,500 ($38)

Pixahunt Rating Editorial & Specs Score

63/100

View Specs ↗

Pixahunt Recommendation & Verdict Expert Assessment

Overall, the Intel i7-3740QM takes the lead with an overall rating score of 5.7/10. It outshines the i5-6400 in core metrics and value proposition. Choose i7-3740QM if you want higher performance per Taka; choose i5-6400 if you specifically prioritize its specific feature set or local availability.

সামগ্রিক বিশ্লেষণে Intel i7-3740QM এগিয়ে রয়েছে। এটি বেঞ্চমার্ক এবং মূল পারফরম্যান্সের ক্ষেত্রে i5-6400-এর চেয়ে উন্নত মান প্রদান করে। বাজেটের সেরা পারফরম্যান্স পেতে i7-3740QM নির্বাচন করা উত্তম।

⚡

Power Consumption & Thermal TDP Efficiency

পাওয়ার খরচ ও তাপ নির্গমন ক্ষমতা (কোন প্রোডাক্টটা পাওয়ার বেশি বা কম)

⚡ 30.8% More Energy Efficient

i7-3740QM Wins Power Efficiency

45 Watts TDP

i5-6400

65 Watts TDP

Analysis: i7-3740QM consumes 20W less power (30.8% lower TDP: 45W vs 65W). It produces significantly less heat, saves on electricity, and requires a smaller or more affordable cooling fan.

বিশ্লেষণ: i7-3740QM এর পাওয়ার খরচ 20 ওয়াট কম (30.8% কম TDP: 45W বনাম 65W)। এটি কম গরম হয়, বিদ্যুৎ সাশ্রয় করে এবং বাজেট কুলারে খুব ভালো চলে।

Key Advantages & Trade-offs Head-to-Head

কোনটি কোন ক্ষেত্রে এগিয়ে এবং কোনটিতে কী সীমাবদ্ধতা রয়েছে তা নিচে বিশ্লেষণ করা হলো

✓ Reasons to choose i7-3740QM

⚡ Lower Power Consumption (বিদ্যুৎ সাশ্রয়ী)

-20W TDP

i7-3740QM consumes 20W less power (30.8% lower TDP: 45W vs 65W). It produces significantly less heat, saves on electricity, and requires a smaller or more affordable cooling fan.

🚀 Higher Clock Speed (বেশি ক্লক স্পিড)

+0.4 GHz

i7-3740QM delivers higher frequency (3.7 GHz vs 3.3 GHz, +0.4 GHz) for faster responsive single-threaded performance.

🧵 More Threads (বেশি থ্রেড)

+4 Threads

8 simultaneous execution threads vs 4 threads (+4 threads) for heavy multitasking.

✓ Reasons to choose i5-6400

🔬 More Advanced Lithography (উন্নত প্রসেস নোড)

14nm vs 22nm

Built on smaller 14nm technology node vs 22nm node. Provides higher transistor density and better efficiency.

⚠️ Considerations & Trade-offs for i5-6400:

Higher Power Draw & Heat Output: Operates with higher TDP (65W vs 45W). Generates more thermal heat and requires adequate cooling.

Consult Pixahunt Hardware Technician AI

24/7 Lab On-Duty

Senior Hardware Engineer — Lab Specialist

🤖 Live Technician Advice Zero-Hallucination Standard

Full Specifications Matrix Side-by-Side

Aligned attribute breakdown across both products. Differences are highlighted automatically.

Specification Attribute

i7-3740QM

i5-6400

General

Series

Core i7

Core i5

Model

i7-3740QM

Intel Core i5-6400

Cpu Cooler

Not Included

Included

Code-Name

Ivy Bridge

Skylake

Generation

3rd Gen

6th Gen

Sockets Supported

FCBGA1224, FCPGA988

LGA 1151

Release Date

September 30, 2012

September 1, 2015

Performance

Base Frequency

2.70 GHz

Turbo Frequency Max.

3.70 GHz

3.30 GHz

Core

Threads

CPU Cache

6 MB L3 Cache

6 MB Intel Smart Cache

L1 Cache

64 KB per core

256 KB

L2 Cache

256 KB per core

1 MB

L3 Cache

6 MB

TDP

45 W

65W

Lithography

22 nm

14nm

Multiplier

27.0x

Multiplier Unlocked

Processor Type.

High-End Mobile Workstation Processor (4 Cores, 8 Threads) Best for: Professional Mobile CAD, Heavy Code Compilation & Premium Gaming Laptops

Desktop

Graphics

Built-in GPU

Yes

Processor Graphics

Intel HD Graphics 4000

Intel HD Graphics 530

Graphics Base Frequency

650 MHz

350 MHz

Graphics Dynamic Frequency

1.30 GHz

950 MHz

Graphics Core Count

N/A

24 EUs

Max Video Memory

N/A

64 GB

Max Resolution

eDP/DP/HDMI/SDVO/CRT

DP: 4096 x 2304 @60Hz HDMI: 4096 x 2160 @24Hz eDP: 4096 x 2304 @60Hz

Max Memory Device

—

Shared

Memory Support

Memory Max.

32 GB

64 GB

Memory Type

DDR3/L/-RS 1333/1600

DDR4-2133 / DDR3L-1600

Memory Speed

1333/1600 MT/s

DDR4-2133, DDR3L-1600 MT/s

Memory Channel

2 (Dual Channel)

Max Memory Bandwidth

25.6 GB/s

34.1 GB/s

ECC Memory Supported

Technical Info

DirectX Support

OpenGL Support

4.0

4.4

Approx. Power Consumption

45 W

65W Peak

Compatible Products / Chipsets

Intel Mobile Chipsets

Intel H110, B150, Q150, Q170, H170, Z170

PCI Express Version

3.0

PCIe 3.0

PCI Express Lanes

16 Lanes

Thermal Solution (MPK / Box)

N/A

PCG 2015C

Max. Operating Temperature (Tjmax)

105 C

100°C

Warranty

Manufacturing Warranty

N/A (Discontinued Product)

03 Years Brand Warranty

Additional Info

Specialty

Intel Hyper-Threading Technology, Intel Virtualization Technology (VT-x, VT-d), Intel AES-NI

Intel Turbo Boost Technology 2.0 Intel Virtualization Technology (VT-x & VT-d) Intel SpeedStep Technology

Others

Discontinued Product

OS Support: Windows 11 - 64-Bit, Windows 10 - 64-Bit, Linux Ubuntu 64-Bit Instruction Set: 64-bit, SSE4.1/4.2, AVX 2.0 Scalability: 1S Only

Country Of Origin

N/A

USA

Made in/ Assemble

N/A

Malaysia / Vietnam / China

Frequently Asked Questions Common Queries

Answers to top questions searched regarding this comparison.

Which one is better for gaming and multitasking: i7-3740QM or i5-6400? ▼

What is the power consumption difference between i7-3740QM and i5-6400? ▼

i7-3740QM consumes 20W less power (30.8% lower TDP: 45W vs 65W). It produces significantly less heat, saves on electricity, and requires a smaller or more affordable cooling fan.

What are the approximate street prices in Bangladesh? ▼

i7-3740QM is currently retailing around ৳4,500 BDT while i5-6400 is priced around ৳4,500 BDT across computer retail shops in Bangladesh.