i9-12900HK vs i7-3820

VS

Aggregate performance score

Core i7-3820
2012
4 cores / 8 threads, 130 Watt
3.63
Core i9-12900HK
2022
14 cores / 20 threads, 45 Watt
17.14
+372%

Core i9-12900HK outperforms Core i7-3820 by a whopping 372% based on our aggregate benchmark results.

Primary details

Comparing Core i7-3820 and Core i9-12900HK processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1502375
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation2.32no data
Market segmentDesktop processorLaptop
Seriesno dataIntel Alder Lake-P
Power efficiency2.6436.05
Architecture codenameSandy Bridge-E (2011−2013)Alder Lake-H (2022)
Release dateFebruary 2012 (12 years ago)4 January 2022 (2 years ago)
Launch price (MSRP)$400no data

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-3820 and Core i9-12900HK 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)14 (Tetradeca-Core)
Threads820
Base clock speed3.6 GHz2.5 GHz
Boost clock speed3.8 GHz5 GHz
Bus rate5 GT/sno data
L1 cache64 KB (per core)80K (per core)
L2 cache256 KB (per core)1.25 MB (per core)
L3 cache10240 KB (shared)24 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size294 mm2217 mm2
Maximum core temperatureno data100 °C
Maximum case temperature (TCase)67 °Cno data
Number of transistors1270 millionno data
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier-+

Compatibility

Information on Core i7-3820 and Core i9-12900HK 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
SocketFCLGA2011FCBGA1744
Power consumption (TDP)130 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-3820 and Core i9-12900HK. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2, Intel® AVXIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
Smart Response+no data
Demand Based Switching-no data
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i7-3820 and Core i9-12900HK technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
Identity Protection+-
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-3820 and Core i9-12900HK are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-3820 and Core i9-12900HK. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory size64.23 GB64 GB
Max memory channels42
Maximum memory bandwidth51.2 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.45 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of Core i7-3820 and Core i9-12900HK integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Core i7-3820 and Core i9-12900HK integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.4no data4096 x 2304 @ 60Hz
Max resolution over eDPno data4096 x 2304 @ 120Hz
Max resolution over DisplayPortno data7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Core i7-3820 and Core i9-12900HK integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Core i7-3820 and Core i9-12900HK.

PCIe version2.04.0
PCI Express lanes4020

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.

i7-3820 3.63
i9-12900HK 17.14
+372%

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.

i7-3820 5773
i9-12900HK 27232
+372%

Gaming performance

Pros & cons summary


Performance score 3.63 17.14
Physical cores 4 14
Threads 8 20
Power consumption (TDP) 130 Watt 45 Watt

i9-12900HK has a 372.2% higher aggregate performance score, 250% more physical cores and 150% more threads, and 188.9% lower power consumption.

The Core i9-12900HK is our recommended choice as it beats the Core i7-3820 in performance tests.

Note that Core i7-3820 is a desktop processor while Core i9-12900HK is a notebook one.


Should you still have questions on choice between Core i7-3820 and Core i9-12900HK, ask them in Comments section, and we shall answer.

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Intel Core i7-3820
Core i7-3820
Intel Core i9-12900HK
Core i9-12900HK

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Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


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Questions & comments

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