Core i3-1215U vs Celeron 6305

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Aggregate performance score

Celeron 6305
2020
2 cores / 2 threads, 15 Watt
1.35
Core i3-1215U
2022
6 cores / 8 threads, 15 Watt
7.10
+426%

Core i3-1215U outperforms Celeron 6305 by a whopping 426% based on our aggregate benchmark results.

Primary details

Comparing Celeron 6305 and Core i3-1215U processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance ranking2146933
Place by popularitynot in top-10020
Market segmentLaptopLaptop
SeriesIntel Tiger LakeIntel Alder Lake-M
Architecture codenameTiger Lake-UAlder Lake-U (2022)
Release date1 September 2020 (3 years ago)23 February 2022 (2 years ago)

Detailed specifications

Celeron 6305 and Core i3-1215U 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)6 (Hexa-Core)
Threads28
Base clock speedno data1.2 GHz
Boost clock speed1.8 GHz4.4 GHz
L1 cache160 KB80K (per core)
L2 cache2.5 MB1.25 MB (per core)
L3 cache4 MB10 MB (shared)
Chip lithography10 nm SuperFinIntel 7 nm
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility++
Unlocked multiplierNoNo

Compatibility

Information on Celeron 6305 and Core i3-1215U 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
SocketFCBGA1449FCBGA1744
Power consumption (TDP)15 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 6305 and Core i3-1215U. 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++
FMAno data+
AVX++
Enhanced SpeedStep (EIST)no data+
Speed Shift++
Turbo Boost Technology-no data
Hyper-Threading Technology-+
TSXno data+
Idle States+no data
Thermal Monitoring++
Flex Memory Accessno data+
SIPP-no data
StatusDiscontinuedLaunched

Security technologies

Celeron 6305 and Core i3-1215U technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDBno data+
Secure Keyno data+
SGX-no data
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 6305 and Core i3-1215U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 6305 and Core i3-1215U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR4, DDR5
Maximum memory size64 GB64 GB
Max memory channels22
ECC memory support--

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® UHD Graphics for 11th Gen Intel® ProcessorsIntel® UHD Graphics for 12th Gen Intel® Processors
Quick Sync Video++
Clear Video HD+no data
Graphics max frequency1.25 GHz1.1 GHz
Execution Units4864

Graphics interfaces

Available interfaces and connections of Celeron 6305 and Core i3-1215U integrated GPUs.

Number of displays supported44

Graphics image quality

Maximum display resolutions supported by Celeron 6305 and Core i3-1215U integrated GPUs, including resolutions over different interfaces.

Max resolution over HDMI 1.44096x2304@60Hz4096 x 2304 @ 60Hz
Max resolution over eDP4096x2304@60Hz4096 x 2304 @ 120Hz
Max resolution over DisplayPort7680x4320@60Hz7680 x 4320 @ 60Hz

Graphics API support

APIs supported by Celeron 6305 and Core i3-1215U integrated GPUs, sometimes API versions are included.

DirectX12.112.1
OpenGL4.64.6

Peripherals

Specifications and connection of peripherals supported by Celeron 6305 and Core i3-1215U.

PCIe versionno data4.0
PCI Express lanesno data20

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.

Celeron 6305 1.35
i3-1215U 7.10
+426%

Core i3-1215U outperforms Celeron 6305 by 426% based on our aggregate benchmark results.


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.

Benchmark coverage: 68%

Celeron 6305 2094
i3-1215U 10976
+424%

Core i3-1215U outperforms Celeron 6305 by 424% in Passmark.

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.

Benchmark coverage: 42%

Celeron 6305 743
i3-1215U 1862
+151%

Core i3-1215U outperforms Celeron 6305 by 151% in GeekBench 5 Single-Core.

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.

Benchmark coverage: 42%

Celeron 6305 1235
i3-1215U 4927
+299%

Core i3-1215U outperforms Celeron 6305 by 299% in GeekBench 5 Multi-Core.

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Benchmark coverage: 20%

Celeron 6305 3465
i3-1215U 7879
+127%

Core i3-1215U outperforms Celeron 6305 by 127% in Cinebench 10 32-bit single-core.

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Benchmark coverage: 19%

Celeron 6305 6611
i3-1215U 19430
+194%

Core i3-1215U outperforms Celeron 6305 by 194% in Cinebench 10 32-bit multi-core.

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Benchmark coverage: 18%

Celeron 6305 39.12
i3-1215U 3.41
+1047%

Celeron 6305 outperforms Core i3-1215U by 1047% in wPrime 32.

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

Benchmark coverage: 17%

Celeron 6305 2
i3-1215U 11
+469%

Core i3-1215U outperforms Celeron 6305 by 469% in Cinebench 11.5 64-bit multi-core.

Cinebench 15 64-bit multi-core

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

Benchmark coverage: 15%

Celeron 6305 161
i3-1215U 809
+402%

Core i3-1215U outperforms Celeron 6305 by 402% in Cinebench 15 64-bit multi-core.

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.

Benchmark coverage: 15%

Celeron 6305 84
i3-1215U 218
+159%

Core i3-1215U outperforms Celeron 6305 by 159% in Cinebench 15 64-bit single-core.

Cinebench 11.5 64-bit single-core

Cinebench R11.5 is an old benchmark 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 loads a single thread with ray tracing to render a glossy room full of crystal spheres and light sources.

Benchmark coverage: 14%

Celeron 6305 0.99
i3-1215U 2.79
+182%

Core i3-1215U outperforms Celeron 6305 by 182% in Cinebench 11.5 64-bit single-core.

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Benchmark coverage: 13%

Celeron 6305 0.9
i3-1215U 11.6
+1161%

Core i3-1215U outperforms Celeron 6305 by 1161% in TrueCrypt AES.

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Benchmark coverage: 13%

Celeron 6305 1210
i3-1215U 7944
+557%

Core i3-1215U outperforms Celeron 6305 by 557% in WinRAR 4.0.

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Benchmark coverage: 13%

Celeron 6305 11
i3-1215U 50
+345%

Core i3-1215U outperforms Celeron 6305 by 345% in x264 encoding pass 2.

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Benchmark coverage: 13%

Celeron 6305 62
i3-1215U 199
+222%

Core i3-1215U outperforms Celeron 6305 by 222% in x264 encoding pass 1.

Gaming performance

Pros & cons summary


Performance score 1.35 7.10
Recency 1 September 2020 23 February 2022
Physical cores 2 6
Threads 2 8

The Core i3-1215U is our recommended choice as it beats the Celeron 6305 in performance tests.


Should you still have questions on choice between Celeron 6305 and Core i3-1215U, ask them in Comments section, and we shall answer.

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Intel Celeron 6305
Celeron 6305
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Community ratings

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Questions & comments

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