i3-3240 vs i5-6400T

VS

Aggregate performance score

Core i5-6400T
2015
4 cores / 4 threads, 35 Watt
2.69
+84.2%
Core i3-3240
2012
2 cores / 4 threads, 55 Watt
1.46

Core i5-6400T outperforms Core i3-3240 by an impressive 84% based on our aggregate benchmark results.

Primary details

Comparing Core i5-6400T and Core i3-3240 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking17002164
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.382.62
Market segmentDesktop processorDesktop processor
SeriesIntel Core i5 (Desktop)no data
Power efficiency7.272.51
Architecture codenameSkylake (2015−2016)Ivy Bridge (2012−2013)
Release date1 September 2015 (9 years ago)3 September 2012 (12 years ago)
Launch price (MSRP)$192$75

Cost-effectiveness evaluation

Performance per price, higher is better.

i3-3240 has 589% better value for money than i5-6400T.

Detailed specifications

Core i5-6400T and Core i3-3240 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores4 (Quad-Core)2 (Dual-core)
Threads44
Base clock speed2.2 GHz3.4 GHz
Boost clock speed2.8 GHz3.4 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s5 GT/s
Multiplier22no data
L1 cache256 KB64 KB (per core)
L2 cache1 MB256 KB (per core)
L3 cache6 MB3 MB (shared)
Chip lithography14 nm22 nm
Die size122 mm294 mm2
Maximum core temperature66 °Cno data
Maximum case temperature (TCase)no data65 °C
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i5-6400T and Core i3-3240 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Number of CPUs in a configuration1 (Uniprocessor)1
SocketFCLGA1151FCLGA1155
Power consumption (TDP)35 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-6400T and Core i3-3240. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX
AES-NI+-
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
My WiFino data+
Turbo Boost Technology2.0-
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
FDIno data+

Security technologies

Core i5-6400T and Core i3-3240 technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key+-
MPX+-
Identity Protection++
SGXYes with Intel® MEno data
OS Guard+no data
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-6400T and Core i3-3240 are enumerated here.

AMD-V+-
VT-d+-
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-6400T and Core i3-3240. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR3
Maximum memory size64 GB32 GB
Max memory channels22
Maximum memory bandwidth34.134 GB/s25.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 530Intel HD Graphics 2500
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD++
Graphics max frequency950 MHz1.05 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i5-6400T and Core i3-3240 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i5-6400T and Core i3-3240 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@24Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i5-6400T and Core i3-3240 integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-6400T and Core i3-3240.

PCIe version3.02.0
PCI Express lanes16no data

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.


Combined synthetic benchmark score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

i5-6400T 2.69
+84.2%
i3-3240 1.46

Passmark

Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

i5-6400T 4279
+84.3%
i3-3240 2322

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

i5-6400T 932
+70.4%
i3-3240 547

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

i5-6400T 2550
+128%
i3-3240 1119

Gaming performance

Pros & cons summary


Performance score 2.69 1.46
Integrated graphics card 2.60 0.69
Recency 1 September 2015 3 September 2012
Physical cores 4 2
Chip lithography 14 nm 22 nm
Power consumption (TDP) 35 Watt 55 Watt

i5-6400T has a 84.2% higher aggregate performance score, 276.8% faster integrated GPU, an age advantage of 2 years, 100% more physical cores, a 57.1% more advanced lithography process, and 57.1% lower power consumption.

The Core i5-6400T is our recommended choice as it beats the Core i3-3240 in performance tests.


Should you still have questions on choice between Core i5-6400T and Core i3-3240, ask them in Comments section, and we shall answer.

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Intel Core i5-6400T
Core i5-6400T
Intel Core i3-3240
Core i3-3240

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Community ratings

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Questions & comments

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