i5-12450HX vs i7-7820HK

VS

Aggregate performance score

Core i7-7820HK
2017
4 cores / 8 threads, 45 Watt
4.81
Core i5-12450HX
2022
8 cores / 12 threads, 55 Watt
12.26
+155%

Core i5-12450HX outperforms Core i7-7820HK by a whopping 155% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7820HK and Core i5-12450HX processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking1277649
Place by popularitynot in top-10090
Market segmentLaptopLaptop
SeriesIntel Core i7no data
Power efficiency9.7520.33
Architecture codenameKaby Lake-H (2017)Alder Lake-HX (2022)
Release date3 January 2017 (7 years ago)10 May 2022 (2 years ago)
Launch price (MSRP)$378no data

Detailed specifications

Core i7-7820HK and Core i5-12450HX 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)
Threads812
Base clock speed2.9 GHz2.4 GHz
Boost clock speed3.9 GHz4.4 GHz
Bus typeDMI 3.0no data
Bus rate8 GT/sno data
Multiplier29no data
L1 cache64K (per core)80K (per core)
L2 cache256K (per core)1.25 MB (per core)
L3 cache8 MB (shared)12 MB (shared)
Chip lithography14 nmIntel 7 nm
Die size126 mm2215 mm2
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility-+
Unlocked multiplier++

Compatibility

Information on Core i7-7820HK and Core i5-12450HX 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 configuration1 (Uniprocessor)1
SocketFCBGA1440FCBGA1964
Power consumption (TDP)45 Watt55 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7820HK and Core i5-12450HX. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Speed Shift++
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology++
TSX++
Idle States+no data
Thermal Monitoring++
Flex Memory Access++
Smart Response+no data
Turbo Boost Max 3.0no data+
Deep Learning Boost-+

Security technologies

Core i7-7820HK and Core i5-12450HX technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Key++
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7820HK and Core i5-12450HX are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-7820HK and Core i5-12450HX. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory size64 GB128 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s76.8 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics 630Intel® UHD Graphics for 12th Gen Intel® Processors
Max video memory64 GBno data
Quick Sync Video++
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHz1.3 GHz
Execution Unitsno data16
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-7820HK and Core i5-12450HX integrated GPUs.

Number of displays supported34
eDP+no data
DisplayPort+-
HDMI+-
DVI+no data

Graphics image quality

Maximum display resolutions supported by Core i7-7820HK and Core i5-12450HX integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hz4096 x 2304 @ 60Hz
Max resolution over eDP4096x2304@60Hz5120 x 3200 @ 120Hz
Max resolution over DisplayPort4096x2304@60Hz7680 x 4320 @ 60Hz
Max resolution over VGAN/Ano data

Graphics API support

APIs supported by Core i7-7820HK and Core i5-12450HX integrated GPUs, sometimes API versions are included.

DirectX1212.1
OpenGL4.54.6

Peripherals

Specifications and connection of peripherals supported by Core i7-7820HK and Core i5-12450HX.

PCIe version3.05.0 and 4.0
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.

i7-7820HK 4.81
i5-12450HX 12.26
+155%

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.

i7-7820HK 7366
i5-12450HX 18761
+155%

Gaming performance

Pros & cons summary


Performance score 4.81 12.26
Recency 3 January 2017 10 May 2022
Physical cores 4 8
Threads 8 12
Power consumption (TDP) 45 Watt 55 Watt

i7-7820HK has 22.2% lower power consumption.

i5-12450HX, on the other hand, has a 154.9% higher aggregate performance score, an age advantage of 5 years, and 100% more physical cores and 50% more threads.

The Core i5-12450HX is our recommended choice as it beats the Core i7-7820HK in performance tests.


Should you still have questions on choice between Core i7-7820HK and Core i5-12450HX, ask them in Comments section, and we shall answer.

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Intel Core i7-7820HK
Core i7-7820HK
Intel Core i5-12450HX
Core i5-12450HX

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Community ratings

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Questions & comments

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