i5-12450H vs Pentium G645T

Aggregate performance score

Pentium G645T
2012
2 cores / 2 threads, 35 Watt
0.77
Core i5-12450H
2022
8 cores / 12 threads, 45 Watt
10.70
+1290%

Core i5-12450H outperforms Pentium G645T by a whopping 1290% based on our aggregate benchmark results.

Primary details

Comparing Pentium G645T and Core i5-12450H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2629727
Place by popularitynot in top-1002
Market segmentDesktop processorLaptop
Seriesno dataIntel Alder Lake-P
Power efficiency2.0822.50
Architecture codenameSandy Bridge (2011−2013)Alder Lake-H (2022)
Release date2 September 2012 (12 years ago)January 2022 (2 years ago)

Detailed specifications

Pentium G645T and Core i5-12450H 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 cores2 (Dual-core)8 (Octa-Core)
Threads212
Base clock speed2.5 GHz2 GHz
Boost clock speed2.5 GHz4.4 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 cache3 MB (shared)12 MB (shared)
Chip lithography32 nmIntel 7 nm
Die size131 mm2217 mm2
Maximum core temperature65 °C100 °C
Number of transistors504 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Pentium G645T and Core i5-12450H 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
SocketFCLGA1155FCBGA1744
Power consumption (TDP)35 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium G645T and Core i5-12450H. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
FMA-+
AVX++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
Turbo Boost Technology-no data
Hyper-Threading Technology-+
TSX-+
Idle States+no data
Thermal Monitoring++
Flex Memory Access++
FDI+no data
Fast Memory Access+no data
Deep Learning Boost-+

Security technologies

Pentium G645T and Core i5-12450H technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium G645T and Core i5-12450H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium G645T and Core i5-12450H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4, DDR5
Maximum memory size32 GB64 GB
Max memory channels22
Maximum memory bandwidth17 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 2nd Generation Intel® ProcessorsIntel® UHD Graphics for 12th Gen Intel® Processors
Quick Sync Video-+
Graphics max frequency1.1 GHz1.2 GHz
Execution Unitsno data48

Graphics interfaces

Available interfaces and connections of Pentium G645T and Core i5-12450H integrated GPUs.

Number of displays supported24

Graphics image quality

Maximum display resolutions supported by Pentium G645T and Core i5-12450H 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 Pentium G645T and Core i5-12450H integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Pentium G645T and Core i5-12450H.

PCIe version2.04.0
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.

Pentium G645T 0.77
i5-12450H 10.70
+1290%

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.

Pentium G645T 1228
i5-12450H 17001
+1284%

Gaming performance

Pros & cons summary


Performance score 0.77 10.70
Physical cores 2 8
Threads 2 12
Power consumption (TDP) 35 Watt 45 Watt

Pentium G645T has 28.6% lower power consumption.

i5-12450H, on the other hand, has a 1289.6% higher aggregate performance score, and 300% more physical cores and 500% more threads.

The Core i5-12450H is our recommended choice as it beats the Pentium G645T in performance tests.

Note that Pentium G645T is a desktop processor while Core i5-12450H is a notebook one.


Should you still have questions on choice between Pentium G645T and Core i5-12450H, ask them in Comments section, and we shall answer.

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Intel Pentium G645T
Pentium G645T
Intel Core i5-12450H
Core i5-12450H

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Community ratings

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Questions & comments

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