i5-11500B vs i5-8400T

VS

Aggregate performance score

Core i5-8400T
2018
6 cores / 6 threads, 35 Watt
4.87
Core i5-11500B
2021
6 cores / 12 threads, 65 Watt
11.39
+134%

Core i5-11500B outperforms Core i5-8400T by a whopping 134% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8400T and Core i5-11500B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1266703
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation5.14no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5no data
Power efficiency12.6915.98
Architecture codenameCoffee Lake (2017−2019)Tiger Lake-H (2021)
Release date2 April 2018 (6 years ago)1 April 2021 (3 years ago)
Launch price (MSRP)$182no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400T and Core i5-11500B 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 cores6 (Hexa-Core)6 (Hexa-Core)
Threads612
Base clock speed1.7 GHz3.3 GHz
Boost clock speed3.3 GHz4.6 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s8 GT/s
Multiplier17no data
L1 cache384 KBno data
L2 cache1.5 MBno data
L3 cache9 MB (shared)12 MB
Chip lithography14 nm10 nm
Die size149 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
64 bit support++
Windows 11 compatibility+-

Compatibility

Information on Core i5-8400T and Core i5-11500B 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
SocketFCLGA1151no data
Power consumption (TDP)35 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400T and Core i5-11500B. 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® AVX2
AES-NI++
AVX+-
vProno data-
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i5-8400T and Core i5-11500B technologies aimed at improving security, for example, by protecting against hacks.

TXT--
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® MEYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400T and Core i5-11500B are enumerated here.

VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400T and Core i5-11500B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666Up to 3200 MT/s
Maximum memory size128 GB128 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s45.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630Intel® UHD Graphics for 11th Gen Intel® Processors
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHz1.45 GHz
Execution Unitsno data32
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8400T and Core i5-11500B integrated GPUs.

Number of displays supported34
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core i5-8400T and Core i5-11500B integrated GPUs, including resolutions over different interfaces.

4K resolution support++
Max resolution over HDMI 1.44096x2304@24Hz4096 x 2304@30Hz
Max resolution over eDP4096x2304@60Hz4096 x 2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Core i5-8400T and Core i5-11500B integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8400T and Core i5-11500B.

PCIe version3.03.0
PCI Express lanes1616

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.

i5-8400T 4.87
i5-11500B 11.39
+134%

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.

i5-8400T 7446
i5-11500B 17437
+134%

Gaming performance

Pros & cons summary


Performance score 4.87 11.39
Recency 2 April 2018 1 April 2021
Threads 6 12
Chip lithography 14 nm 10 nm
Power consumption (TDP) 35 Watt 65 Watt

i5-8400T has 85.7% lower power consumption.

i5-11500B, on the other hand, has a 133.9% higher aggregate performance score, an age advantage of 2 years, 100% more threads, and a 40% more advanced lithography process.

The Core i5-11500B is our recommended choice as it beats the Core i5-8400T in performance tests.

Note that Core i5-8400T is a desktop processor while Core i5-11500B is a notebook one.


Should you still have questions on choice between Core i5-8400T and Core i5-11500B, ask them in Comments section, and we shall answer.

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Intel Core i5-8400T
Core i5-8400T
Intel Core i5-11500B
Core i5-11500B

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Community ratings

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Questions & comments

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