i5-1135G7 vs i5-8400B

#ad 
Buy on Amazon
VS

Primary details

Comparing Core i5-8400B and Core i5-1135G7 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rankingnot rated1049
Place by popularitynot in top-10024
Market segmentLaptopLaptop
SeriesIntel Core i5Intel Tiger Lake
Architecture codenameCoffee Lake (2017−2019)Tiger Lake-UP3 (2020−2021)
Release date2 April 2018 (6 years ago)1 September 2020 (4 years ago)
Launch price (MSRP)$182no data

Detailed specifications

Core i5-8400B and Core i5-1135G7 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)4 (Quad-Core)
Threads68
Base clock speed2.8 GHz2.4 GHz
Boost clock speed4 GHz4.2 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/s4 GT/s
Multiplier28no data
L1 cache384 KB320 KB
L2 cache1.5 MB5 MB
L3 cache9 MB8 MB
Chip lithography14 nm10 nm SuperFin
Die size126 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-8400B and Core i5-1135G7 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
SocketFCBGA1440FCBGA1449
Power consumption (TDP)65 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400B and Core i5-1135G7. 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, Intel® AVX-512
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring++
StatusDiscontinuedDiscontinued
Deep Learning Boost-+

Security technologies

Core i5-8400B and Core i5-1135G7 technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-8400B and Core i5-1135G7 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400B and Core i5-1135G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR4
Maximum memory size64 GB64 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel UHD Graphics 630Intel® Iris® Xe Graphics
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD++
Graphics max frequency1.05 GHz1.3 GHz
Execution Unitsno data80
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8400B and Core i5-1135G7 integrated GPUs.

Number of displays supported34

Graphics image quality

Maximum display resolutions supported by Core i5-8400B and Core i5-1135G7 integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hz4096x2304@60Hz
Max resolution over eDP4096x2304@60Hz4096x2304@60Hz
Max resolution over DisplayPort4096x2304@60Hz7680x4320@60Hz

Graphics API support

APIs supported by Core i5-8400B and Core i5-1135G7 integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.6

Peripherals

Specifications and connection of peripherals supported by Core i5-8400B and Core i5-1135G7.

PCIe version3.04.0
PCI Express lanes1616

Pros & cons summary


Recency 2 April 2018 1 September 2020
Physical cores 6 4
Threads 6 8
Chip lithography 14 nm 10 nm
Power consumption (TDP) 65 Watt 28 Watt

i5-8400B has 50% more physical cores.

i5-1135G7, on the other hand, has an age advantage of 2 years, 33.3% more threads, a 40% more advanced lithography process, and 132.1% lower power consumption.

We couldn't decide between Core i5-8400B and Core i5-1135G7. We've got no test results to judge.


Should you still have questions on choice between Core i5-8400B and Core i5-1135G7, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i5-8400B
Core i5-8400B
Intel Core i5-1135G7
Core i5-1135G7

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


5 1 vote

Rate Core i5-8400B on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 4091 vote

Rate Core i5-1135G7 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i5-8400B or Core i5-1135G7, agree or disagree with our judgements, or report an error or mismatch.