i7-1255U vs Celeron T3000

VS

Aggregate performance score

Celeron T3000
2009
2 cores / 2 threads, 35 Watt
0.43
Core i7-1255U
2022
10 cores / 12 threads, 15 Watt
8.54
+1886%

Core i7-1255U outperforms Celeron T3000 by a whopping 1886% based on our aggregate benchmark results.

Primary details

Comparing Celeron T3000 and Core i7-1255U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking2966895
Place by popularitynot in top-10078
Market segmentLaptopLaptop
Seriesno dataIntel Alder Lake-M
Power efficiency1.1653.88
Architecture codenameno dataAlder Lake-U (2022)
Release date1 April 2009 (15 years ago)23 February 2022 (2 years ago)

Detailed specifications

Celeron T3000 and Core i7-1255U 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)10 (Deca-Core)
Threads212
Base clock speed1.8 GHz1.7 GHz
Boost clock speedno data4.7 GHz
L1 cacheno data80K (per core)
L2 cacheno data1.25 MB (per core)
L3 cache1 MB L2 Cache12 MB (shared)
Chip lithography45 nmIntel 7 nm
Maximum core temperature105 °C100 °C
64 bit support++
Windows 11 compatibility-+
VID voltage range1V-1.25Vno data

Compatibility

Information on Celeron T3000 and Core i7-1255U 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 configurationno data1
SocketPGA478FCBGA1744
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron T3000 and Core i7-1255U. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® 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-+
Thermal Monitoring-+
Flex Memory Accessno data+
Demand Based Switching-no data
Deep Learning Boost-+

Security technologies

Celeron T3000 and Core i7-1255U 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 Celeron T3000 and Core i7-1255U are enumerated here.

VT-dno data+
VT-x-+
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron T3000 and Core i7-1255U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4, DDR5
Maximum memory sizeno data64 GB
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel® Iris® Xe Graphics eligible
Quick Sync Video-+
Graphics max frequencyno data1.25 GHz
Execution Unitsno data96

Graphics interfaces

Available interfaces and connections of Celeron T3000 and Core i7-1255U integrated GPUs.

Number of displays supportedno data4

Graphics image quality

Maximum display resolutions supported by Celeron T3000 and Core i7-1255U 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 Celeron T3000 and Core i7-1255U integrated GPUs, sometimes API versions are included.

DirectXno data12.1
OpenGLno data4.6

Peripherals

Specifications and connection of peripherals supported by Celeron T3000 and Core i7-1255U.

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 T3000 0.43
i7-1255U 8.54
+1886%

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.

Celeron T3000 687
i7-1255U 13559
+1874%

Gaming performance

Pros & cons summary


Performance score 0.43 8.54
Recency 1 April 2009 23 February 2022
Physical cores 2 10
Threads 2 12
Power consumption (TDP) 35 Watt 15 Watt

i7-1255U has a 1886% higher aggregate performance score, an age advantage of 12 years, 400% more physical cores and 500% more threads, and 133.3% lower power consumption.

The Core i7-1255U is our recommended choice as it beats the Celeron T3000 in performance tests.


Should you still have questions on choice between Celeron T3000 and Core i7-1255U, ask them in Comments section, and we shall answer.

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Intel Celeron T3000
Celeron T3000
Intel Core i7-1255U
Core i7-1255U

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Community ratings

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Questions & comments

Here you can ask a question about Celeron T3000 or Core i7-1255U, agree or disagree with our judgements, or report an error or mismatch.