Intel Core i5-1145GRE vs AMD Ryzen 5 1400

Intel Core i5-1145GRE on Amazon USA
AMD Ryzen 5 1400 on Amazon USA

Comparison of the technical characteristics between the processors, with the Intel Core i5-1145GRE on one side and the AMD Ryzen 5 1400 on the other side. The first is dedicated to the ultrabook sector, It has 4 cores, 8 threads, a maximum frequency of 4.1GHz. The second is used on the desktop segment, it has a total of 4 cores, 8 threads, its turbo frequency is set to 3.4 GHz. The following table also compares the lithography, the number of transistors (if indicated), the amount of cache memory, the maximum RAM memory capacity, the type of memory accepted, the release date, the maximum number of PCIe lanes, the values ​​obtained in Geekbench and Cinebench.

Specification comparison:

Processor Intel Core i5-1145GRE AMD Ryzen 5 1400
Market (main) Ultrabook Desktop
ISA x86-64 (64 bit) x86-64 (64 bit)
Microarchitecture Willow Cove Zen
Core name Tiger Lake-UP3 Summit Ridge
Family Core i5-1100 Ryzen 5 1000
Part number(s), S-Spec


Release date Q1 2021 Q2 2017
Lithography 10 nm SuperFin 14 nm
Transistors - 4,800,000,000
Cores 4 4
Threads 8 8
Base frequency 1.5 GHz 3.2 GHz
Turbo frequency 4.1 GHz 3.4 GHz
Cache memory 8 MB 8 MB
Max memory capacity 64 GB 64 GB
Memory types

DDR4-3200, LPDDR4x-4267

Max # of memory channels 2 2
Max PCIe lanes 16 20
TDP 15 W 65 W
Suggested PSU - 600W ATX Power Supply
GPU integrated graphics Intel Iris Xe Graphics G7 80EU None
GPU execution units 80 -
GPU shading units 640 -
GPU base clock 300 MHz -
GPU boost clock 1300 MHz -
GPU FP32 floating point 1,408 GFLOPS -
Socket BGA1449 AM4, PGA-1331
Compatible motherboard - Socket AM4 Motherboard 
Maximum temperature 100°C 95°C
AI accelerator

Deep Learning Boost,
Gaussian and Neural Accelerator 2.0

Crypto engine

AES New Instructions,
Total Memory Encryption


Trusted Execution Tecnology,
OS Guard,
Boot Guard,
Mode-based Execute Control,
Control Flow enforcement Technology

Max display resolution


PassMark single thread 2,243 1,898
PassMark CPU Mark 9,152 7,804

We can better compare what are the technical differences between the two processors.

Suggested PSU: We assume that we have An ATX computer case, a high end graphics card, 16GB RAM, a 512GB SSD, a 1TB HDD hard drive, a Blu-Ray drive. We will have to rely on a more powerful power supply if we want to have several graphics cards, several monitors, more memory, etc.

Price: For technical reasons, we cannot currently display a price less than 24 hours, or a real-time price. This is why we prefer for the moment not to show a price. You should refer to the respective online stores for the latest price, as well as availability.

We see that the two processors have an equivalent number of cores, the maximum frequency of Intel Core i5-1145GRE is greater, that the PDT of Intel Core i5-1145GRE is lower. The Intel Core i5-1145GRE was designed earlier.

Performance comparison with the benchmarks:

Performance comparison between the two processors, for this we consider the results generated on benchmark software such as Geekbench.

PassMark - CPU Mark & single thread
Intel Core i5-1145GRE 2,243
AMD Ryzen 5 1400 1,898

In single core, the difference is 18%. In multi-core, the differential gap is 17%.

PassMark is a benchmarking software that performs several performance tests including prime numbers, integers, floating point, compression, physics, extended instructions, encoding, sorting. The higher the score is, the higher is the device capacity.


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