i9-11900K vs i3-1125G4

VS

Aggregate performance score

Core i3-1125G4
2020
4 cores / 8 threads, 28 Watt
6.04
Core i9-11900K
2021
8 cores / 16 threads, 125 Watt
15.86
+163%

Core i9-11900K outperforms Core i3-1125G4 by a whopping 163% based on our aggregate benchmark results.

Primary details

Comparing Core i3-1125G4 and Core i9-11900K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1103428
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data18.92
Market segmentLaptopDesktop processor
SeriesIntel Tiger Lakeno data
Power efficiency20.4112.01
Architecture codenameTiger Lake-UP3 (2020−2021)Rocket Lake (2021)
Release date2 September 2020 (4 years ago)16 March 2021 (3 years ago)
Launch price (MSRP)no data$539

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i3-1125G4 and Core i9-11900K 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)
Threads816
Base clock speed2 GHz3.5 GHz
Boost clock speed3.7 GHz5.2 GHz
Bus rate4 GT/s8 GT/s
L1 cache96K (per core)80 KB (per core)
L2 cache1.25 MB (per core)512 KB (per core)
L3 cache8 MB (shared)16 MB (shared)
Chip lithography10 nm SuperFin14 nm
Die sizeno data276 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)72 °C72 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplier-+

Compatibility

Information on Core i3-1125G4 and Core i9-11900K 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
SocketFCBGA1449FCLGA1200
Power consumption (TDP)28 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i3-1125G4 and Core i9-11900K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512
AES-NI++
FMA+-
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shift+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology++
TSX++
Idle States++
Thermal Monitoring++
SIPP-+
Turbo Boost Max 3.0no data+
Deep Learning Boost++

Security technologies

Core i3-1125G4 and Core i9-11900K technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDBno data+
Secure Keyno data+
Identity Protection-+
SGX--
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i3-1125G4 and Core i9-11900K are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i3-1125G4 and Core i9-11900K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidthno data50 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics for 11th Gen Intel ProcessorsIntel UHD Graphics 750
Max video memoryno data64 GB
Quick Sync Video++
Clear Videono data+
Clear Video HD++
Graphics max frequency1.25 GHz1.3 GHz
Execution Units4832
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i3-1125G4 and Core i9-11900K integrated GPUs.

Number of displays supported43

Graphics image quality

Maximum display resolutions supported by Core i3-1125G4 and Core i9-11900K integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096x2304@60Hz4096x2160@60Hz
Max resolution over eDP4096x2304@60Hz5120 x 3200 @60Hz
Max resolution over DisplayPort7680x4320@60Hz5120 x 3200 @60Hz

Graphics API support

APIs supported by Core i3-1125G4 and Core i9-11900K integrated GPUs, sometimes API versions are included.

DirectX12.112.1
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core i3-1125G4 and Core i9-11900K.

PCIe version4.04.0
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.

i3-1125G4 6.04
i9-11900K 15.86
+163%

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.

i3-1125G4 9587
i9-11900K 25192
+163%

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.

i3-1125G4 1433
i9-11900K 2391
+66.9%

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.

i3-1125G4 4036
i9-11900K 10978
+172%

Geekbench 5.5 Multi-Core

i3-1125G4 3738
i9-11900K 10483
+180%

Gaming performance

Pros & cons summary


Performance score 6.04 15.86
Integrated graphics card 5.58 4.50
Recency 2 September 2020 16 March 2021
Physical cores 4 8
Threads 8 16
Chip lithography 10 nm 14 nm
Power consumption (TDP) 28 Watt 125 Watt

i3-1125G4 has 24% faster integrated GPU, a 40% more advanced lithography process, and 346.4% lower power consumption.

i9-11900K, on the other hand, has a 162.6% higher aggregate performance score, an age advantage of 6 months, and 100% more physical cores and 100% more threads.

The Core i9-11900K is our recommended choice as it beats the Core i3-1125G4 in performance tests.

Be aware that Core i3-1125G4 is a notebook processor while Core i9-11900K is a desktop one.


Should you still have questions on choice between Core i3-1125G4 and Core i9-11900K, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i3-1125G4
Core i3-1125G4
Intel Core i9-11900K
Core i9-11900K

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Community ratings

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