i7-1065G7 vs i5-8400

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Aggregate performance score

Core i5-8400
2017
6 cores / 6 threads, 65 Watt
5.81
+11.7%
Core i7-1065G7
2019
4 cores / 8 threads, 15 Watt
5.20

Core i5-8400 outperforms Core i7-1065G7 by a moderate 12% based on our aggregate benchmark results.

Primary details

Comparing Core i5-8400 and Core i7-1065G7 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking11291199
Place by popularity63not in top-100
Cost-effectiveness evaluation4.91no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5Intel Core i7
Power efficiency8.4619.68
Architecture codenameCoffee Lake-S (2017−2018)Ice Lake (Client) (2019)
Release date5 October 2017 (7 years ago)1 August 2019 (5 years ago)
Launch price (MSRP)$182$426

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-8400 and Core i7-1065G7 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 GHz1.3 GHz
Boost clock speed4 GHz3.9 GHz
Bus typeDMI 3.0OPI
Bus rate4 × 8 GT/s4 × 4 GT/s
Multiplier2813
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache9 MB (shared)8 MB (shared)
Chip lithography14 nm10 nm
Die size149 mm2no data
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++

Compatibility

Information on Core i5-8400 and Core i7-1065G7 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 (Uniprocessor)
SocketFCLGA1151FCBGA1526
Power consumption (TDP)65 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-8400 and Core i7-1065G7. 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++
vPro+-
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
Idle States++
Thermal Monitoring++
Deep Learning Boost-+

Security technologies

Core i5-8400 and Core i7-1065G7 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 i5-8400 and Core i7-1065G7 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-8400 and Core i7-1065G7. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3, DDR4DDR4
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidth42.671 GB/s59.732 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics 630Intel Iris Plus Graphics
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.05 GHz1.1 GHz
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-8400 and Core i7-1065G7 integrated GPUs.

Number of displays supported33
eDPno data+
DisplayPort-+
HDMI-+

Graphics image quality

Maximum display resolutions supported by Core i5-8400 and Core i7-1065G7 integrated GPUs, including resolutions over different interfaces.

4K resolution support+Yes, at 120Hz
Max resolution over HDMI 1.44096x2304@24Hz4096 x 2304
Max resolution over eDP4096x2304@60Hz5120 x 3200
Max resolution over DisplayPort4096x2304@60Hz5120 x 3200

Graphics API support

APIs supported by Core i5-8400 and Core i7-1065G7 integrated GPUs, sometimes API versions are included.

DirectX1212
OpenGL4.54.5

Peripherals

Specifications and connection of peripherals supported by Core i5-8400 and Core i7-1065G7.

PCIe version3.03.0
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.

i5-8400 5.81
+11.7%
i7-1065G7 5.20

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.

i5-8400 9235
+11.7%
i7-1065G7 8266

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

i5-8400 6364
i7-1065G7 7271
+14.3%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

i5-8400 30790
+37.4%
i7-1065G7 22402

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

i5-8400 9474
+2.9%
i7-1065G7 9209

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i5-8400 6.2
+24.2%
i7-1065G7 7.7

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i5-8400 11
+52.2%
i7-1065G7 7

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

i5-8400 941
+42%
i7-1065G7 663

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

i5-8400 170
i7-1065G7 178
+5.1%

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

i5-8400 1.9
i7-1065G7 2.11
+11.1%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

i5-8400 5
i7-1065G7 5

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

i5-8400 5173
+4.4%
i7-1065G7 4956

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

i5-8400 61
+36.3%
i7-1065G7 45

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

i5-8400 224
+21%
i7-1065G7 185

Geekbench 4.0 64-bit multi-core

i5-8400 19500
+3.9%
i7-1065G7 18772

Geekbench 4.0 64-bit single-core

i5-8400 4996
i7-1065G7 5752
+15.1%

Gaming performance

Pros & cons summary


Performance score 5.81 5.20
Integrated graphics card 3.10 4.71
Recency 5 October 2017 1 August 2019
Physical cores 6 4
Threads 6 8
Chip lithography 14 nm 10 nm
Power consumption (TDP) 65 Watt 15 Watt

i5-8400 has a 11.7% higher aggregate performance score, and 50% more physical cores.

i7-1065G7, on the other hand, has 51.9% faster integrated GPU, an age advantage of 1 year, 33.3% more threads, a 40% more advanced lithography process, and 333.3% lower power consumption.

The Core i5-8400 is our recommended choice as it beats the Core i7-1065G7 in performance tests.

Note that Core i5-8400 is a desktop processor while Core i7-1065G7 is a notebook one.


Should you still have questions on choice between Core i5-8400 and Core i7-1065G7, ask them in Comments section, and we shall answer.

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


Intel Core i5-8400
Core i5-8400
Intel Core i7-1065G7
Core i7-1065G7

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