Ryzen 7 8840U vs i5-7400

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Aggregate performance score

Core i5-7400
2017
4 cores / 4 threads, 65 Watt
3.54
Ryzen 7 8840U
2023
8 cores / 16 threads, 28 Watt
15.25
+331%

Ryzen 7 8840U outperforms i5-7400 by a whopping 331% based on our aggregate benchmark results.

Primary details

Comparing Core i5-7400 and Ryzen 7 8840U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking1511455
Place by popularity58not in top-100
Cost-effectiveness evaluation1.37no data
Market segmentDesktop processorLaptop
SeriesIntel Core i5no data
Architecture codenameKaby Lake (2016−2019)Hawk Point-U (Zen 4) (2023)
Release date3 January 2017 (7 years ago)6 December 2023 (less than a year ago)
Launch price (MSRP)$182no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i5-7400 and Ryzen 7 8840U 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)8 (Octa-Core)
Threads416
Base clock speed3 GHz3.3 GHz
Boost clock speed3.5 GHz5.1 GHz
Bus typeDMI 3.0no data
Bus rate8 GT/sno data
Multiplier30no data
L1 cache256 KB512 KB
L2 cache1 MB8 MB
L3 cache6 MB (shared)16 MB
Chip lithography14 nm4 nm
Die sizeno data178 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data25,000 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Core i5-7400 and Ryzen 7 8840U 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
SocketFCLGA1151FP7/FP7r2/FP8
Power consumption (TDP)65 Watt28 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i5-7400 and Ryzen 7 8840U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Ryzen AI, AES, AVX, AVX2, AVX512, FMA3, MMX (+), SHA, SSE, SSE2, SSE3, SSE4.1, SSE4.2, SSE4A, SSSE3
AES-NI++
AVX++
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
StatusDiscontinuedno data
Precision Boost 2no data+

Security technologies

Core i5-7400 and Ryzen 7 8840U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i5-7400 and Ryzen 7 8840U are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i5-7400 and Ryzen 7 8840U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size64 GBno data
Max memory channels2no data
Maximum memory bandwidth38.397 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel HD Graphics 630AMD Radeon 780M
Max video memory64 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i5-7400 and Ryzen 7 8840U integrated GPUs.

Number of displays supported3no data

Graphics image quality

Maximum display resolutions supported by Core i5-7400 and Ryzen 7 8840U 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

Graphics API support

APIs supported by Core i5-7400 and Ryzen 7 8840U integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i5-7400 and Ryzen 7 8840U.

PCIe version3.04.0
PCI Express lanes1620

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.

i5-7400 3.54
Ryzen 7 8840U 15.25
+331%

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.

i5-7400 5473
Ryzen 7 8840U 23591
+331%

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.

i5-7400 1194
Ryzen 7 8840U 2220
+85.9%

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.

i5-7400 3281
Ryzen 7 8840U 9414
+187%

Gaming performance

Pros & cons summary


Performance score 3.54 15.25
Integrated graphics card 3.10 18.31
Recency 3 January 2017 6 December 2023
Physical cores 4 8
Threads 4 16
Chip lithography 14 nm 4 nm
Power consumption (TDP) 65 Watt 28 Watt

Ryzen 7 8840U has a 330.8% higher aggregate performance score, 490.6% faster integrated GPU, an age advantage of 6 years, 100% more physical cores and 300% more threads, a 250% more advanced lithography process, and 132.1% lower power consumption.

The Ryzen 7 8840U is our recommended choice as it beats the Core i5-7400 in performance tests.

Note that Core i5-7400 is a desktop processor while Ryzen 7 8840U is a notebook one.


Should you still have questions on choice between Core i5-7400 and Ryzen 7 8840U, ask them in Comments section, and we shall answer.

Vote for your favorite

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Intel Core i5-7400
Core i5-7400
AMD Ryzen 7 8840U
Ryzen 7 8840U

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.


3.5 2502 votes

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Questions & comments

Here you can ask a question about Core i5-7400 or Ryzen 7 8840U, agree or disagree with our judgements, or report an error or mismatch.