Intel Core i7-7820X vs Core i5-11400
Comparing Core i7-7820X and Core i5-11400 processor market type (desktop or notebook), architecture, sales start time and price.
Core i7-7820X and Core i5-11400 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.
Information on Core i7-7820X and Core i5-11400 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.
Technologies and extensions
Technological solutions and additional instructions supported by Core i7-7820X and Core i5-11400. You'll probably need this information if you require some particular technology.
Core i7-7820X and Core i5-11400 technologies aimed at improving security, for example, by protecting against hacks.
Virtual machine speed-up technologies supported by Core i7-7820X and Core i5-11400 are enumerated here.
Types, maximum amount and channel quantity of RAM supported by Core i7-7820X and Core i5-11400. Depending on the motherboards, higher memory frequencies may be supported.
General parameters of integrated GPUs, if any.
Available interfaces and connections of Core i7-7820X and Core i5-11400 integrated GPUs.
Graphics image quality
Maximum display resolutions supported by Core i7-7820X and Core i5-11400 integrated GPUs, including resolutions over different interfaces.
Graphics API support
APIs supported by Core i7-7820X and Core i5-11400 integrated GPUs, sometimes API versions are included.
Specifications and connection of peripherals supported by Core i7-7820X and Core i5-11400.
Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.
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.
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.
Let's see how good Core i7-7820X and Core i5-11400 are for gaming compared with game system requirements. Remember that sometimes official requirements may reflect real performance inaccurately. Also, your gaming PC must have a decent enough GPU to perform well.
Both CPUs satisfy the 100% minimum and 100% recommended requirements of all games known to us.
Competitors of Core i7-7820X from AMD
We believe that the nearest equivalent to Core i7-7820X from AMD is Ryzen 7 PRO 2700X, which is slower by 1% and lower by 4 positions in our rating.
Here are some closest AMD rivals to Core i7-7820X:
Competitors of Core i5-11400 from AMD
We believe that the nearest equivalent to Core i5-11400 from AMD is Ryzen 7 2700X, which is nearly equal in speed and higher by 1 position in our rating.
Here are some closest AMD rivals to Core i5-11400:
Advantages of Intel Core i7-7820X
Higher boost clock speed (3600 vs 2600 MHz)
AES (Advanced Encryption Standard instructions set - hardware acceleration of AES encryption and decryption. Speeds up encryption software, e.g. Veracrypt)
x86-64 (a general name for 64-bit extension of x86 instruction set. There are AMD64 and Intel 64 versions that differ very little)
Advantages of Intel Core i5-11400
1.2% better performance in benchmarks
Much newer (16 March 2021 vs 30 May 2017)
Cheaper ($269 vs $1023)
Lower power consumption (65W vs 140W), meaning that the rival with higher TDP might require a better cooler or other thermal solution.
Intel 64 (64-bit Intel CPU architecture. Almost identical to AMD64, except small and rarely used nuances)
AES-NI (Advanced Encryption Standard New Instructions - additional instructions for hardware acceleration of AES encryption and decryption)
TXT (Trusted Execution Technology - protects the system against viruses and rootkits residing in BIOS or in a boot sector)
Thermal Monitoring Technologies
So, which one is the better CPU?
Technical City couldn't decide between Intel Core i7-7820X and Intel Core i5-11400. The differences in performance seem too small.
Should you still have questions on choice between Core i7-7820X and Core i5-11400, ask them in Comments section, and we shall answer.
We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.