Which one is better: i3-5015U or i5-6400?

In our Pixahunt hardware comparison, the choice between i3-5015U 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 i3-5015U vs Intel i5-6400?

i3-5015U is priced around ৳8,500 while i5-6400 retails around ৳4,500 across computer shops in Bangladesh.

Intel i3-5015U 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)

✓

Processor Intel

Intel i3-5015U

Intel Core i3-5015U 5th Gen Dual-Core 4-Thread Mobile Processor

৳8,500 ($45)

Pixahunt Rating Editorial & Specs Score

62/100

View Specs ↗

🏆 Overall Winner (সেরা পছন্দ)

Processor Intel

Intel i5-6400

Intel Core i5-6400 Quad-Core Desktop Processor

৳4,500 ($38)

Pixahunt Rating Editorial & Specs Score

94/100

View Specs ↗

Pixahunt Recommendation & Verdict Expert Assessment

Overall, the Intel i5-6400 takes the lead with an overall rating score of 6.3/10. It outshines the i3-5015U in core metrics and value proposition. Choose i5-6400 if you want higher performance per Taka; choose i3-5015U if you specifically prioritize its specific feature set or local availability.

সামগ্রিক বিশ্লেষণে Intel i5-6400 এগিয়ে রয়েছে। এটি বেঞ্চমার্ক এবং মূল পারফরম্যান্সের ক্ষেত্রে i3-5015U-এর চেয়ে উন্নত মান প্রদান করে। বাজেটের সেরা পারফরম্যান্স পেতে i5-6400 নির্বাচন করা উত্তম।

⚡

Power Consumption & Thermal TDP Efficiency

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

⚡ 76.9% More Energy Efficient

i3-5015U Wins Power Efficiency

15 Watts TDP

i5-6400

65 Watts TDP

Analysis: i3-5015U consumes 50W less power (76.9% lower TDP: 15W vs 65W). It produces significantly less heat, saves on electricity, and requires a smaller or more affordable cooling fan.

বিশ্লেষণ: i3-5015U এর পাওয়ার খরচ 50 ওয়াট কম (76.9% কম TDP: 15W 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 i3-5015U

⚡ Lower Power Consumption (বিদ্যুৎ সাশ্রয়ী)

-50W TDP

i3-5015U consumes 50W less power (76.9% lower TDP: 15W vs 65W). It produces significantly less heat, saves on electricity, and requires a smaller or more affordable cooling fan.

⚠️ Considerations & Trade-offs for i3-5015U:

Fewer Processing Cores: Equipped with only 2 cores vs 4 cores on the competitor.

Higher Price Tag: Costs ৳4,000 more compared to the alternative option.

✓ Reasons to choose i5-6400

🚀 Higher Clock Speed (বেশি ক্লক স্পিড)

+0.6 GHz

i5-6400 delivers higher frequency (2.7 GHz vs 2.1 GHz, +0.6 GHz) for faster single-core speeds.

🧠 More CPU Cores (বেশি কোর)

+2 Cores

Has 4 physical cores compared to 2 cores (+2 cores). Much faster in demanding multi-threaded workflows.

💾 Larger L3 Cache (বড় ক্যাশ মেমোরি)

+3 MB Cache

Has 6 MB cache memory compared to 3 MB (+3 MB). Reduces memory latency for smoother frame rates.

💰 More Budget Friendly (কম দাম)

-৳4,000

Retails ৳4,000 (47.1%) cheaper in Bangladesh market (৳4,500 vs ৳8,500).

⚠️ Considerations & Trade-offs for i5-6400:

Higher Power Draw & Heat Output: Operates with higher TDP (65W vs 15W). 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

i3-5015U

i5-6400

General

Series

Core i3

Core i5

Model

Intel Core i3-5015U

Intel Core i5-6400

Cpu Cooler

N/A

Included

Code-Name

Broadwell

Skylake

Generation

5th Gen

6th Gen

Sockets Supported

FCBGA1168

LGA 1151

Release Date

June 1, 2015

September 1, 2015

Performance

Processor Type.

Laptop / Notebook Mobile Processor (2 Cores, 4 Threads) Best for: Portable Laptops, Student Projects, Casual Browsing & Efficient Battery Use

Desktop

Base Frequency

2.10 GHz

2.70 GHz

Turbo Frequency Max.

N/A

3.30 GHz

Core

Threads

CPU Cache

3 MB Intel Smart Cache

6 MB Intel Smart Cache

L1 Cache

128 KB

256 KB

L2 Cache

512 KB

1 MB

L3 Cache

3 MB

6 MB

TDP

15W

65W

Lithography

14nm

Multiplier

21.0x

27.0x

Multiplier Unlocked

Graphics

Built-in GPU

Yes

Processor Graphics

Intel HD Graphics 5500

Intel HD Graphics 530

Graphics Base Frequency

300 MHz

350 MHz

Graphics Dynamic Frequency

850 MHz

950 MHz

Graphics Core Count

24 EUs

Max Video Memory

16 GB

64 GB

Max Resolution

HDMI: 2560x1600@60Hz, DP: 3840x2160@60Hz

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

Max Memory Device

—

Shared

Memory Support

Memory Max.

16 GB

64 GB

Memory Type

DDR3L 1333/1600, LPDDR3 1333/1600

DDR4-2133 / DDR3L-1600

Memory Speed

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

4.3

4.4

Approx. Power Consumption

15W

65W Peak

Compatible Products / Chipsets

Integrated SoC

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

PCI Express Version

PCIe 2.0

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

Discontinued

03 Years Brand Warranty

Additional Info

Specialty

Intel Hyper-Threading Technology, Intel Virtualization Technology (VT-x, VT-d), Intel Quick Sync Video, Intel Clear Video HD Technology

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

Others

Instruction Set: 64-bit; Extensions: Intel SSE4.1, Intel SSE4.2, Intel AVX2; Configurable TDP-down Base Frequency: 600 MHz (10W TDP)

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

USA

Made in/ Assemble

China / Malaysia

Malaysia / Vietnam / China

Frequently Asked Questions Common Queries

Answers to top questions searched regarding this comparison.

Which one is better for gaming and multitasking: i3-5015U or i5-6400? ▼

What is the power consumption difference between i3-5015U and i5-6400? ▼

i3-5015U consumes 50W less power (76.9% lower TDP: 15W 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? ▼

i3-5015U is currently retailing around ৳8,500 BDT while i5-6400 is priced around ৳4,500 BDT across computer retail shops in Bangladesh.