Which one is better: i7-740QM or i5-6400?

In our Pixahunt hardware comparison, the choice between i7-740QM 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 i7-740QM vs Intel i5-6400?

i7-740QM is priced around ৳2,500 while i5-6400 retails around ৳4,500 across computer shops in Bangladesh.

Intel i7-740QM 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 i7-740QM

Intel Core i7-740QM 4-Core, 8-Thread Mobile Processor

৳2,500 ($20)

Pixahunt Rating Editorial & Specs Score

78/100

View Specs ↗

Processor Intel

Intel i5-6400

Intel Core i5-6400 Quad-Core Desktop Processor

৳4,500 ($38)

Pixahunt Rating Editorial & Specs Score

71/100

View Specs ↗

Pixahunt Recommendation & Verdict Expert Assessment

Overall, the Intel i7-740QM takes the lead with an overall rating score of 5.3/10. It outshines the i5-6400 in core metrics and value proposition. Choose i7-740QM if you want higher performance per Taka; choose i5-6400 if you specifically prioritize its specific feature set or local availability.

সামগ্রিক বিশ্লেষণে Intel i7-740QM এগিয়ে রয়েছে। এটি বেঞ্চমার্ক এবং মূল পারফরম্যান্সের ক্ষেত্রে i5-6400-এর চেয়ে উন্নত মান প্রদান করে। বাজেটের সেরা পারফরম্যান্স পেতে i7-740QM 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

i7-740QM Wins Power Efficiency

45 Watts TDP

i5-6400

65 Watts TDP

Analysis: i7-740QM 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: i7-740QM 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 i7-740QM

⚡ Lower Power Consumption (বিদ্যুৎ সাশ্রয়ী)

-20W TDP

i7-740QM 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.

🧵 More Threads (বেশি থ্রেড)

+4 Threads

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

💰 More Budget Friendly (কম দাম)

-৳2,000

Retails ৳2,000 (44.4%) cheaper in Bangladesh market (৳2,500 vs ৳4,500).

✓ Reasons to choose i5-6400

🚀 Higher Clock Speed (বেশি ক্লক স্পিড)

+0.37 GHz

i5-6400 delivers higher frequency (3.3 GHz vs 2.93 GHz, +0.37 GHz) for faster single-core speeds.

🔬 More Advanced Lithography (উন্নত প্রসেস নোড)

14nm vs 45nm

Built on smaller 14nm technology node vs 45nm 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.

Higher Price Tag: Costs ৳2,000 more compared to the alternative option.

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

i7-740QM

i5-6400

General

Series

Core i7

Core i5

Model

i7-740QM

Intel Core i5-6400

Cpu Cooler

Not Included

Included

Code-Name

Clarksfield

Skylake

Generation

1st Gen

6th Gen

Sockets Supported

Socket G1

LGA 1151

Release Date

June 20, 2010

September 1, 2015

Performance

Base Frequency

1.73 GHz

2.70 GHz

Turbo Frequency Max.

2.93 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

45 nm

14nm

Multiplier

13.0x

27.0x

Multiplier Unlocked

Processor Type.

High-Performance Laptop / Mobile Workstation Processor (4 Cores, 8 Threads) Best for: Mobile Workstation Productivity, Video Editing & Heavy Multitasking

Desktop

Graphics

Built-in GPU

Yes

Processor Graphics

N/A

Intel HD Graphics 530

Graphics Base Frequency

N/A

350 MHz

Graphics Dynamic Frequency

N/A

950 MHz

Graphics Core Count

N/A

24 EUs

Max Video Memory

N/A

64 GB

Max Resolution

N/A

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

Max Memory Device

—

Shared

Memory Support

Memory Max.

N/A

64 GB

Memory Type

DDR3

DDR4-2133 / DDR3L-1600

Memory Speed

1333 MT/s

DDR4-2133, DDR3L-1600 MT/s

Memory Channel

Dual-channel

2 (Dual Channel)

Max Memory Bandwidth

21.3 GB/s

34.1 GB/s

ECC Memory Supported

Technical Info

DirectX Support

N/A

OpenGL Support

N/A

4.4

Approx. Power Consumption

45 W

65W Peak

Compatible Products / Chipsets

PM55, HM55, QM57, HM57

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

PCI Express Version

Gen 2

PCIe 3.0

PCI Express Lanes

16 Lanes

Thermal Solution (MPK / Box)

None

PCG 2015C

Max. Operating Temperature (Tjmax)

100°C

Warranty

Manufacturing Warranty

N/A

03 Years Brand Warranty

Additional Info

Specialty

Intel Hyper-Threading, VT-x, VT-d

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

Others

Mobile Processor, End-of-life

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: i7-740QM or i5-6400? ▼

What is the power consumption difference between i7-740QM and i5-6400? ▼

i7-740QM 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? ▼

i7-740QM is currently retailing around ৳2,500 BDT while i5-6400 is priced around ৳4,500 BDT across computer retail shops in Bangladesh.