Core i3-8121U: specs and benchmarks

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Aggregate performance score

Core i3-8121U
2018
2 cores / 4 threads, 15 Watt
2.76

Core i3-8121U provides poor benchmark performance at 2.76% of a leader's which is a 96-core EPYC 9655P.

Summary

Intel started Core i3-8121U sales 5 May 2018. This is a Coffee Lake-U architecture notebook processor primarily aimed at office systems. It has 2 cores and 4 threads, and is based on 10 nm manufacturing technology, with a maximum frequency of 3200 MHz and a locked multiplier.

Compatibility-wise, this is Intel BGA1440 processor with a TDP of 15 Watt and a maximum temperature of 72 °C. It supports DDR4 memory.

Primary details

Core i3-8121U processor market type (desktop or notebook), architecture, sales start time and pricing.

Place in the ranking1699
Place by popularitynot in top-100
Market segmentLaptop
SeriesIntel Core i3
Power efficiency9.33of 100.00 (Ryzen Z1 Extreme)
Architecture codenameCoffee Lake-U (2018−2019)
Release date5 May 2018 (6 years ago)

Detailed specifications

Basic microprocessor parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters can generally indicate CPU performance, but to be more precise you have to review its test results.

Physical cores2 (Dual-core)
Threads4
Base clock speed2.2 GHzof 4.7 GHz (FX-9590)
Boost clock speed3.2 GHzof 6.2 GHz (Core i9-14900KS)
Bus typeOPI
Bus rate4 GT/s
Multiplier22of 42 (Core i7-7700K)
L1 cache64K (per core)of 80 KB (EPYC 9965)
L2 cache256K (per core)
L3 cache4 MB (shared)of 1152 MB (EPYC 9684X)
Chip lithography10 nmof 3 nm (Apple M3 Max 16-Core)
Die size123 mm2
Maximum core temperature105 °Cof 110 °C (Atom x7-E3950)
Maximum case temperature (TCase)72 °Cof 105 °C (Core i7-5950HQ)
64 bit support+
Windows 11 compatibility-

Compatibility

Information on Core i3-8121U compatibility with other computer components and devices: 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)of 8 (Opteron 842)
SocketIntel BGA1440
Power consumption (TDP)15 Wattof 500 Watt (Xeon 6960P)

Technologies and extensions

Technological capabilities and additional instructions supported by Core i3-8121U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX, Intel® AVX2, Intel® AVX-512
AES-NI+
AVX+
vPro-
Enhanced SpeedStep (EIST)+
QuickAssist-
Speed Shift+
My WiFi+
Turbo Boost Technology2.0
Hyper-Threading Technology+
Idle States+
Thermal Monitoring+
Flex Memory Access+
Smart Response+
Demand Based Switching-
HD Audio+
RST+

Security technologies

Processor technologies aimed at improving security, for example, by protecting against hacks.

TXT-
EDB+
Secure Key+
MPX+
SGX-
OS Guard+

Virtualization technologies

Supported virtual machine optimization technologies. Some are specific to Intel only, some to AMD.

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

Memory specs

Types, maximum amount and channel number of RAM supported by Core i3-8121U's memory controller. Depending on the motherboard, higher memory frequency may be supported.

Supported memory typesDDR4
Maximum memory size32 GBof 6 TiB (EPYC 9124)
Max memory channels2of 12 (Xeon Platinum 9221)
Maximum memory bandwidth38.397 GB/sof 460.8 GB/s (EPYC 9124)

Graphics specifications

General parameters of a GPU integrated into Core i3-8121U.

Integrated graphics cardIris Pro Plus

Peripherals

Specifications and connection types of supported peripherals.

PCIe version3.0of 5.0 (Core i9-12900K)
PCI Express lanes16of 128 (EPYC 7551P)

Benchmark performance

Single-core and multi-core benchmark results of Core i3-8121U. Overall benchmark performance 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.

i3-8121U 2.76

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.

i3-8121U 4391

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.

i3-8121U 1165

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.

i3-8121U 2367

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.

i3-8121U 4314

Cinebench 15 64-bit multi-core

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

i3-8121U 318

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.

i3-8121U 133

Gaming performance

Closest competitors

Core i3-8121U's performance relative to its closest rivals among notebook CPUs.


Pentium 6805 101.09
Core i3-8121U 100

AMD equivalent

According to our data, the closest AMD alternative to Core i3-8121U is Ryzen Embedded R1606G, which is slower by 6% and lower by 34 positions in our ranking.

Here are some closest AMD rivals to Core i3-8121U:

Similar processors

Here is our recommendation of several processors that are more or less close in performance to the one reviewed.

Recommended GPUs

People consider these graphics cards to be good for Core i3-8121U, according to our PC configuration statistics.

These are the fastest graphics cards for Core i3-8121U in our user configuration statistics. There is a total of 47 configurations using Core i3-8121U in our database.

RTX 4090 GeForce RTX 4090
2.1% (1/47)
RX 580 Radeon RX 580
4.3% (2/47)
RX 480 Radeon RX 480
2.1% (1/47)
GTX 480 GeForce GTX 480
6.4% (3/47)
RX 560 Radeon RX 560
2.1% (1/47)
RX 540 Radeon RX 540
10.6% (5/47)
GeForce MX250 GeForce MX250
2.1% (1/47)
GeForce MX150 GeForce MX150
4.3% (2/47)
UHD Graphics UHD Graphics
4.3% (2/47)

All comparisons with Core i3-8121U

Community ratings

Here is the rating given to the reviewed processor by our users. Let others know your opinion by rating it yourself.


3.3 3 votes

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Questions & comments

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