i5-10400 vs i7-3667U

Aggregate performance score

Core i7-3667U
2012
2 cores / 4 threads, 17 Watt
1.52
Core i5-10400
2020
6 cores / 12 threads, 65 Watt
7.63
+402%

Core i5-10400 outperforms Core i7-3667U by a whopping 402% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3667U and Core i5-10400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2130961
Place by popularitynot in top-10087
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency8.4611.11
Architecture codenameIvy Bridge (2012−2013)Comet Lake (2020)
Release date3 June 2012 (12 years ago)30 April 2020 (4 years ago)
Launch price (MSRP)$346no data

Detailed specifications

Core i7-3667U and Core i5-10400 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 cores2 (Dual-core)6 (Hexa-Core)
Threads412
Base clock speed2 GHz2.9 GHz
Boost clock speed3.2 GHz4.3 GHz
Bus rate5 GT/s8 GT/s
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache4 MB (shared)12 MB (shared)
Chip lithography22 nm14 nm
Die size118 mm2no data
Maximum core temperature105 °C100 °C
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Core i7-3667U and Core i5-10400 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 configuration11
SocketFCBGA1023FCLGA1200
Power consumption (TDP)17 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3667U and Core i5-10400. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
My WiFi+no data
Turbo Boost Technology+2.0
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
Demand Based Switching-no data
Turbo Boost Max 3.0no data-
FDI+no data
Fast Memory Access+no data

Security technologies

Core i7-3667U and Core i5-10400 technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
Identity Protection++
SGXno dataYes with Intel® ME
OS Guardno data+
Anti-Theft+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3667U and Core i5-10400 are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3667U and Core i5-10400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4-2666
Maximum memory size32 GB128 GB
Max memory channels22
Maximum memory bandwidth25.6 GB/s41.6 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 4000Intel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.15 GHz1.1 GHz
InTru 3D++

Graphics interfaces

Available interfaces and connections of Core i7-3667U and Core i5-10400 integrated GPUs.

Number of displays supported33
eDP+no data
DisplayPort+-
HDMI+-
SDVO+no data
CRT+no data

Graphics image quality

Maximum display resolutions supported by Core i7-3667U and Core i5-10400 integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096 x 2160@30Hz
Max resolution over eDPno data4096 x 2304@60Hz
Max resolution over DisplayPortno data4096 x 2304@60Hz

Graphics API support

APIs supported by Core i7-3667U and Core i5-10400 integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core i7-3667U and Core i5-10400.

PCIe version2.03.0
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.

i7-3667U 1.52
i5-10400 7.63
+402%

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.

i7-3667U 2416
i5-10400 12119
+402%

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.

i7-3667U 486
i5-10400 1446
+198%

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.

i7-3667U 985
i5-10400 5535
+462%

Gaming performance

Pros & cons summary


Performance score 1.52 7.63
Integrated graphics card 1.18 3.09
Recency 3 June 2012 30 April 2020
Physical cores 2 6
Threads 4 12
Chip lithography 22 nm 14 nm
Power consumption (TDP) 17 Watt 65 Watt

i7-3667U has 282.4% lower power consumption.

i5-10400, on the other hand, has a 402% higher aggregate performance score, 161.9% faster integrated GPU, an age advantage of 7 years, 200% more physical cores and 200% more threads, and a 57.1% more advanced lithography process.

The Core i5-10400 is our recommended choice as it beats the Core i7-3667U in performance tests.

Be aware that Core i7-3667U is a notebook processor while Core i5-10400 is a desktop one.


Should you still have questions on choice between Core i7-3667U and Core i5-10400, ask them in Comments section, and we shall answer.

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Intel Core i7-3667U
Core i7-3667U
Intel Core i5-10400
Core i5-10400

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Community ratings

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Questions & comments

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