Intel i5-2500K VS Intel i5-6400

Side-by-side specs comparison, performance benchmarks, TDP power consumption and price in Bangladesh.

✓
Processor Intel
Intel i5-2500K

Intel i5-2500K

Intel Core i5-2500K Processor (6M Cache, up to 3.70 GHz)

৳3,500 ($30)
Pixahunt Rating Editorial & Specs Score
68/100
View Specs ↗
🏆 Overall Winner (সেরা পছন্দ)
Processor Intel
Intel i5-6400

Intel i5-6400

Intel Core i5-6400 Quad-Core Desktop Processor

৳4,500 ($38)
Pixahunt Rating Editorial & Specs Score
75/100
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 i5-2500K in core metrics and value proposition. Choose i5-6400 if you want higher performance per Taka; choose i5-2500K if you specifically prioritize its specific feature set or local availability.

সামগ্রিক বিশ্লেষণে Intel i5-6400 এগিয়ে রয়েছে। এটি বেঞ্চমার্ক এবং মূল পারফরম্যান্সের ক্ষেত্রে i5-2500K-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)

⚡ 31.6% More Energy Efficient
i5-2500K
95 Watts TDP
i5-6400 Wins Power Efficiency
65 Watts TDP

Analysis: i5-6400 consumes 30W less power (31.6% lower TDP: 65W vs 95W). It runs noticeably cooler and delivers higher electrical efficiency.

বিশ্লেষণ: i5-6400 এর পাওয়ার খরচ 30 ওয়াট কম (31.6% কম TDP: 65W বনাম 95W)। এটি অনেক ঠান্ডা চলে এবং বিদ্যুৎ সাশ্রয়ী।

Key Advantages & Trade-offs Head-to-Head

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

✓ Reasons to choose i5-2500K
🚀 Higher Clock Speed (বেশি ক্লক স্পিড)
+0.4 GHz

i5-2500K delivers higher frequency (3.7 GHz vs 3.3 GHz, +0.4 GHz) for faster responsive single-threaded performance.

💰 More Budget Friendly (কম দাম)
-৳1,000

Retails ৳1,000 (22.2%) cheaper in Bangladesh market (৳3,500 vs ৳4,500).

⚠️ Considerations & Trade-offs for i5-2500K:
Higher Power Draw & Heat Output: Operates with higher TDP (95W vs 65W). Generates more heat and needs a capable cooler.
✓ Reasons to choose i5-6400
⚡ Lower Power Consumption (বিদ্যুৎ সাশ্রয়ী)
-30W TDP

i5-6400 consumes 30W less power (31.6% lower TDP: 65W vs 95W). It runs noticeably cooler and delivers higher electrical efficiency.

🔬 More Advanced Lithography (উন্নত প্রসেস নোড)
14nm vs 32nm

Built on smaller 14nm technology node vs 32nm node. Provides higher transistor density and better efficiency.

⚠️ Considerations & Trade-offs for i5-6400:
Higher Price Tag: Costs ৳1,000 more compared to the alternative option.
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Full Specifications Matrix Side-by-Side

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

Specification Attribute
i5-2500K
i5-6400
General
Series
Core i5
Core i5
Model
i5-2500K
Intel Core i5-6400
Cpu Cooler
Not Included
Included
Code-Name
Sandy Bridge
Skylake
Generation
2nd Gen
6th Gen
Sockets Supported
LGA1155
LGA 1151
Release Date
January 9, 2011
September 1, 2015
Performance
Base Frequency
3.30 GHz
2.70 GHz
Turbo Frequency Max.
3.70 GHz
3.30 GHz
Core
4
4
Threads
4
4
CPU Cache
6 MB Intel Smart Cache
6 MB Intel Smart Cache
L1 Cache
256 KB
256 KB
L2 Cache
1 MB
1 MB
L3 Cache
6 MB
6 MB
TDP
95W
65W
Lithography
32 nm
14nm
Multiplier
33.0x
27.0x
Multiplier Unlocked
Yes
No
Processor Type.
Unlocked Desktop Processor (4 Cores, 4 Threads) Best for: Enthusiast Overclocking, High-FPS eSports Gaming & Responsive Multitasking
Desktop
Graphics
Built-in GPU
Yes
Yes
Processor Graphics
Intel HD Graphics 3000
Intel HD Graphics 530
Graphics Base Frequency
850 MHz
350 MHz
Graphics Dynamic Frequency
1.10 GHz
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.
32 GB
64 GB
Memory Type
DDR3 1066/1333
DDR4-2133 / DDR3L-1600
Memory Speed
1333 MT/s
DDR4-2133, DDR3L-1600 MT/s
Memory Channel
2
2 (Dual Channel)
Max Memory Bandwidth
21 GB/s
34.1 GB/s
ECC Memory Supported
No
No
Technical Info
DirectX Support
10.1
12
OpenGL Support
3.1
4.4
Approx. Power Consumption
95W
65W Peak
Compatible Products / Chipsets
Intel 6 Series (H61, H67, P67, Z68), Intel 7 Series (Z75, Z77)
Intel H110, B150, Q150, Q170, H170, Z170
PCI Express Version
2.0
PCIe 3.0
PCI Express Lanes
16
16 Lanes
Thermal Solution (MPK / Box)
Not Included
PCG 2015C
Max. Operating Temperature (Tjmax)
72.6°C
100°C
Warranty
ManufacturingWarranty
Discontinued Product (No active warranty)
—
Manufacturing Warranty
—
03 Years Brand Warranty
Additional Info
Specialty
Intel Quick Sync Video, Intel Turbo Boost Technology 2.0, Unlocked for Overclocking
Intel Turbo Boost Technology 2.0 Intel Virtualization Technology (VT-x & VT-d) Intel SpeedStep Technology
Others
OS Support: Windows, Linux
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
USA
Made in/ Assemble
Costa Rica / 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: i5-2500K or i5-6400? ▼

Overall, the Intel i5-6400 takes the lead with an overall rating score of 6.3/10. It outshines the i5-2500K in core metrics and value proposition. Choose i5-6400 if you want higher performance per Taka; choose i5-2500K if you specifically prioritize its specific feature set or local availability.

What is the power consumption difference between i5-2500K and i5-6400? ▼

i5-6400 consumes 30W less power (31.6% lower TDP: 65W vs 95W). It runs noticeably cooler and delivers higher electrical efficiency.

What are the approximate street prices in Bangladesh? ▼

i5-2500K is currently retailing around ৳3,500 BDT while i5-6400 is priced around ৳4,500 BDT across computer retail shops in Bangladesh.

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