CPUs / Compare

Intel Core Ultra 7 255H vs Qualcomm Snapdragon X Plus X1P-42-100

A

Product A: Intel

Core Ultra 7 255H

45 of 74 known

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B

Product B: Qualcomm

Snapdragon X Plus X1P-42-100

29 of 74 known

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Every value links to where we found it.

Only differences

AIntel Core Ultra 7 255H

BQualcomm Snapdragon X Plus X1P-42-100

General

7 of 13 differ

Series

Core Ultra 200H3Press releaseintel.com/content/www/us/en/newsroom/news/2025-ces-client-computing-news.htmlRead 14 October 2026Intel calls the family the Intel Core Ultra 200H series.

Snapdragon X Plus1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Qualcomm's Snapdragon X Plus 8-core product brief (DCN 87-82546-1 Rev C). Its SKU comparison table lists the platform as Snapdragon X Plus.

Model numbersiMaker identifiers for this exact model and its listed variants. Excludes sibling models and other generations.

QQ80768063C0, QQ80768063F32Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/ordering.htmlRead 14 October 2026Ordering codes QQ80768063C0 (spec code Q5YN) and QQ80768063F3 (spec code SRQAN), both Tray, stepping A1, package FCBGA18X. ARK lists no boxed product.

X1P-42-1001Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026SKU comparison table, row Snapdragon X Plus: part number X1P-42-100. The same table lists X1P-66-100, X1P-64-100 and X1P-46-100, which are other products.

GTIN / EAN

Not available

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AnnouncediThe maker's first announcement of this model. This is separate from first retail availability.

6 January 20253Press releaseintel.com/content/www/us/en/newsroom/news/2025-ces-client-computing-news.htmlRead 14 October 2026Intel newsroom release dated 6 January 2025 (CES, Las Vegas) introduces the Core Ultra 200HX and H series mobile processors. It does not name the 255H.

4 September 20244Press articlelaptopmag.com/laptops/qualcomm-announces-the-snapdragon-x-plus-8-core-chipset-at-ifaRead 15 October 2026Laptop Mag, 4 September 2024: Qualcomm announced the 8-core Snapdragon X Plus in a keynote ahead of IFA Berlin. The article names the two SKUs, X1P-46-100 and X1P-42-100. CNBC wrote the same day that Qualcomm launched the processor on Wednesday 4 September 2024.

Status

Available1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Marketing Status: Launched. Launch Date: Q1'25. Product Collection: Intel Core Ultra Processors (Series 2). Vertical Segment: Mobile.

Available5Retailer pagecdw.com/product/microsoft-surface-laptop-for-business-13-inch-copilot-pc-13-qualc/8371324Read 15 October 2026CDW listing of the Microsoft Surface Laptop for Business 13-inch (EP2-33447) with Qualcomm Snapdragon X Plus X1P-42-100, up to 3.4 GHz, with an Add To Cart button. It shows the chip in a laptop that is on sale.

PredecessoriThe model this one directly replaced, in the same line, tier and size, as the maker or a trusted review names it.

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SuccessoriThe model that directly replaced this one, in the same line, tier and size. A revision such as a Slim or OLED model does not count when a next generation exists.

Not available

Qualcomm Snapdragon X2 Plus X2P-42-1007Reviewnotebookcheck.net/Qualcomm-Snapdragon-X2-Plus-X2P-42-100-Processor-Benchmarks-and-Specs.1196970.0.htmlRead 23 October 2026Notebookcheck's X2P-42-100 page calls the 8-core X1P-42-100 the predecessor of the X2P-42-100.

Launch price (US)iThe maker's US launch MSRP for the stated configuration, excluding tax. Current store prices and later discounts do not qualify.

Not available

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Launch price (EU)iThe maker's euro launch price for the stated configuration, including VAT as published. Current store prices and later discounts do not qualify.

Not available

Not available

MarketsiISO country or region codes where this exact model or variant is sold. A source page's language does not establish availability.

Not available

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ColoursiThe maker's own colour names

Not available

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SegmentiThe segment the chip maker sells it in. Intel calls laptop chips Mobile. AMD laptop chips that also list Desktops, for mini PCs, stay laptop.

Laptop1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Vertical Segment row reads Mobile.

Laptop1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026The brief describes the processor as powering Copilot+ PCs and laptops.

Instruction setiApple and Qualcomm chips are Arm64. Intel and AMD chips are x86-64.

x86-641Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Instruction Set: 64-bit, with Intel 64 listed as Yes. Intel's 64-bit processors are x86-64.

Arm643Press articlecnx-software.com/2024/09/09/qualcomm-snapdragon-x-plus-8-core-a-4ghz-octa-core-processor-for-entry-level-copilot-pcs-and-laptopsRead 15 October 2026CNX Software, 9 September 2024: the specification list names an 8-core 64-bit Armv8 Oryon processor with 30 MB cache, and gives the X1P-42-100 a max multi-core frequency of 3.2 GHz and a single-core boost of 3.4 GHz.

CodenameiThe chip maker's codename. Intel: the Code Name row without "Products formerly". AMD: the Former Codename row without the socket.

Arrow Lake1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Code Name row reads Products formerly Arrow Lake.

Not available

CPU process (as published)iVerbatim name of the process the CPU cores are made on, e.g. TSMC N3B or Intel 18A.

TSMC N3B1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026CPU Lithography row: TSMC N3B.

4nm1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Process Node: 4nm. The brief names no foundry.

CPU process nodeiThe nm class of the named CPU-core process, as on laptops and desktop PCs: TSMC N3B is 3, Intel 7 is 10, Intel 4 is 7 and Intel 18A is 1.8. The exact name is in CPU process (as published). I/O and graphics dies may use other nodes.

3nm1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026TSMC N3B is stored as 3 nm, as on the other Arrow Lake products. Intel prints no nm figure.

4nm1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Process Node: 4nm.

AVX-512iThe chip maker lists AVX-512 among the supported instruction extensions.

No1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Instruction Set Extensions lists Intel SSE4.1, SSE4.2 and AVX2 only.

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Cores and clocks

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Core configurationiOne row per core group the chip maker names. Intel names performance, efficient and low-power efficient cores. AMD names Zen 5 and Zen 5c cores. Qualcomm names prime and performance cores.

AIntel Core Ultra 7 255H

Core type	Count	Core	Base clock (GHz)	Max clock (GHz)
Performance	6	Lion Cove	2	5.1
Efficiency	8	Skymont	1.5	4.4
Low-power efficiency	2	Not available	0.7	2.5

Source1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026# of Performance-cores 6 with base 2 GHz and Max Turbo 5.1 GHz. # of Efficient-cores 8 with base 1.5 GHz and Max Turbo 4.4 GHz. # of Low Power Efficient-cores 2 with base 700 MHz and Max Turbo 2.5 GHz. Total cores 16. Core names are not on ARK. Lion Cove and Skymont come from the Tom's Hardware launch article. The architecture of the low-power cores is not stated by Intel, so that row has no core_name.4Press articletomshardware.com/pc-components/cpus/intel-launches-arrow-lake-mobile-family-with-core-ultra-200hx-and-200h-processorsRead 14 October 2026Tom's Hardware, 6 January 2025: the 200H processors feature the Lion Cove P-core microarchitecture and employ Skymont for the E-cores. Its table lists the Core Ultra 7 255H as 16 cores (6+8+2), 16 threads, 5.1 GHz P-core turbo, 24 MB cache and 28 W base power, which matches ARK.

BQualcomm Snapdragon X Plus X1P-42-100

Count	Core	Max clock (GHz)
8	Oryon	3.4

Source1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Qualcomm Oryon CPU, 64-bit architecture, 8 cores, 30 MB total cache. The table gives the X1P-42-100 a max multi-core frequency of 3.2 GHz and a single-core boost of 3.4 GHz. The brief states no base clock and no performance or efficiency roles. Stored as one group with the 3.4 GHz boost as its max clock. Total cache is not split into L2 and L3, so both cache fields are left out.

CoresiPhysical cores, not threads.

16=CalculatedFrom Core configuration

8=CalculatedFrom Core configuration

Cores labelled performanceiCounts only cores the chip maker labels performance. Not available when the maker labels no roles, as on AMD chips. Qualcomm and Apple use other labels for their fastest cores.

6=CalculatedFrom Core configuration

Not available

Cores labelled efficiencyiCounts efficient and low-power efficient cores. Not available when the maker labels no roles.

10=CalculatedFrom Core configuration

Not available

ThreadsiHardware threads, including simultaneous multithreading where the chip has it.

161Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Total Threads 16. Intel Hyper-Threading Technology is No.

86Spec databasegeektopia.es/es/product/qualcomm/snapdragon-x-plus-x1p-42-100Read 15 October 2026Geektopia lists 8 total cores and 8 threads for the X1P-42-100. Qualcomm's brief states no thread count. The page has other values that differ from Qualcomm's own, such as a GPU turbo clock of 1400 MHz and 2.15 TFLOPS, so only the thread count is used. No second source was opened for it.

Max boost clockiHighest clock the chip maker states for the processor, Intel Max Turbo Frequency or AMD Max. Boost Clock. Often reached on one or two cores only. It can be higher than every core group's max clock.

5.1GHz1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Max Turbo Frequency 5.1 GHz, the same as the Performance-core Max Turbo Frequency.

3.4GHz1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Boost Frequency (Single-Core) 3.4 GHz for the X1P-42-100. The max multi-core frequency is 3.2 GHz.

Unlocked for overclockingiThe core multiplier is unlocked, as on Intel K models and AMD chips listed as Unlocked for Overclocking. Memory profiles such as XMP or EXPO alone do not count.

Not available

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Cache

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L2 cacheiTotal L2 cache of all cores.

Not available

Not available

L3 cacheiTotal L3 cache, including 3D V-Cache. Intel Smart Cache is L3. L2 is not added. A total cache figure from Qualcomm or Apple is not L3.

24MB1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 202624 MB Intel Smart Cache. The Total L2 Cache row is empty on ARK.

Not available

AMD 3D V-CacheiExtra L3 cache stacked on a compute die. Yes when at least one compute die has it.

No1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026AMD technology. ARK lists only the 24 MB Smart Cache and no stacked cache.

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Power and thermals

4 of 4 differ

Base power (TDP)iIntel Processor Base Power or AMD Default TDP. A rating for cooler and board design, not measured power draw. A Default TDP printed as a range, such as 35-54 W, is not stored.

28W1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Processor Base Power 28 W.

Not available

Max turbo poweriHighest package power limit at stock settings. Intel Maximum Turbo Power, or AMD's package power tracking (PPT) limit. The source note says which. Only a source that names this exact chip counts. A database value applied to a whole class of chips does not.

115W1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Maximum Turbo Power 115 W.

Not available

Configurable power rangeiThe sustained power range a PC or laptop maker may set. AMD cTDP. Intel Minimum and Maximum Assured Power.

Minimum20W1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Minimum Assured Power 20 W. ARK has no Maximum Assured Power row, so max_w is left out.

Not available

Max operating temperatureiHighest die temperature the chip maker allows, called Tjmax or Tjunction. The chip lowers its clocks to stay below it.

110°C1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Max Operating Temperature 110 C.

Not available

Memory

5 of 6 differ

Memory supportiOfficial memory speeds per memory type, module type and module configuration, as the chip maker states them.

AIntel Core Ultra 7 255H

Memory type	Max speed (MT/s)
LPDDR5	8,400
LPDDR5X	8,400
DDR5	6,400

Source1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Memory Types: Up to LPDDR5/X 8400 MT/s and up to DDR5 6400 MT/s. LPDDR5/X is stored as one lpddr5 row and one lpddr5x row at 8400. ARK names no module type, rank or configuration, so those keys are left out.

BQualcomm Snapdragon X Plus X1P-42-100

Memory type	Max speed (MT/s)
LPDDR5X	8,448

Source1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Memory Type: LPDDR5x with Transfer Rate 8448 MT/s. The brief names no module type or configuration, so those are left out.

Max memory speed (official)iHighest official speed in the memory support table, for any module type. Four modules or plain UDIMMs can run slower. Intel quotes some chips with CUDIMM speeds only.

8,400MT/s=CalculatedFrom Memory support

8,448MT/s=CalculatedFrom Memory support

Memory channelsiCounted in 64-bit channels, as Intel and AMD count them. A DDR5 module has two 32-bit subchannels and makers count it as one channel. A maker that counts narrower channels and states their width is converted by the total bus width, so Qualcomm's 8 channels of 16 bits are 2. A total bus width alone is divided by 64, so AMD's 256-bit interface is 4. The maker's own count goes in the source note.

21Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Max # of Memory Channels: 2.

21Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Memory section: Number of Channels 8 with Bit Width 16-bit per channel, which is 128 bits in total. The field counts 64-bit channels, so 128 bits is stored as 2. Qualcomm's own count is 8.

Memory bandwidth (claimed)iPeak memory bandwidth the chip maker states. Not a measurement.

Not available

135GB/s1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Bandwidth: 135 GB/s.

Max memoryiMost memory the chip maker says the processor supports. When the limit depends on the device, as for Apple chips, the highest limit the maker states for this chip in any device. The device goes in the source note. When Intel's documents differ, such as 192 GB in a launch brief and 256 GB on its spec page, the current spec page wins, since newer memory modules can raise the limit.

128GB1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Max Memory Size (dependent on memory type): 128 GB. Tom's Hardware's launch table says 96 GB for DDR5 and 64 GB for LPDDR5/X. The maker's page wins.

64GB1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Capacity: Up to 64 GB.

ECC memory supportiThe chip maker says the processor supports ECC memory. Most need a board that supports it too. DDR5 on-die ECC does not count.

No1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026ECC Memory Supported: No.

Not available

Platform

5 of 7 differ

Socket or packageiDesktop socket, e.g. AM5 or LGA1851. Laptop chips are soldered, so this is the package the maker names, e.g. FP8. When the maker names several packages, in the socket row or the product IDs, list them all separated by commas, such as "FP7, FP7r2".

BGA20491Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Sockets Supported: FCBGA2049. Stored without the FC prefix.

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Compatible chipsetsiDesktop chipsets the chip maker lists, with the brand and without the word chipset, e.g. AMD X870E, AMD B850 or Intel Z890. Same form as the motherboard chipset.

Not available

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CPU PCIe lanesiUsable PCIe lanes from the processor, one row per PCIe generation. Lanes that link the CPU to the chipset are not counted. If the maker gives only a total, a review that lists the split may be used, and the source note names it. When the package also holds the chipset, as on Intel Raptor Lake U and H chips, ARK's total includes the chipset lanes. Those are not counted, so the datasheet split is used. On Intel Core Ultra chips, such as Panther Lake, the platform controller or SoC tile is part of the processor, so its lanes count.

AIntel Core Ultra 7 255H

PCIe generation	Lanes
5	8
4	20

Source1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026PCI Express Revision 5.0 and 4.0. PCI Express Configurations: 1x8 5.0 + 3x4 4.0 + 2x4 (x1,x2,x4) 4.0. Max # of PCI Express Lanes 28. The split is read from the configuration string: 8 lanes at Gen 5 and 12 plus 8 lanes at Gen 4, which gives 20 at Gen 4. ARK does not print the per-generation totals.

BQualcomm Snapdragon X Plus X1P-42-100

Not available

CPU PCIe lanes in totaliUsable lanes from the processor. Lanes to the chipset are not counted.

28=CalculatedFrom CPU PCIe lanes

Not available

Highest PCIe generationiHighest PCIe generation of the processor's own lanes. Chipset lanes are not counted.

5=CalculatedFrom CPU PCIe lanes

Not available

Native USB portsiUSB ports the processor itself provides, as the chip maker lists them. The board or laptop decides which ones reach a connector. Chipset ports are not counted. eUSB2 is the embedded USB 2.0 link that Qualcomm lists. It needs a repeater on the board to become a USB 2.0 port.

AIntel Core Ultra 7 255H

Standard
Thunderbolt 4

Source1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Intel Thunderbolt 4: Yes. Intel gives no port count, so the row has no count.

BQualcomm Snapdragon X Plus X1P-42-100

Standard	Count
USB4	3
USB 3.2 Gen 2 (10 Gbps)	2
eUSB2	1

Source1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026USB Specification Version USB 4.0. Interface Type: 3 x USB4 (40Gbps), 2 x USB3.2 Gen2x1 and 1 x eUSB2. The list sits in the brief's shared specification column for the 8-core X Plus.

Native USB4 or ThunderboltiThe processor itself provides USB4 or Thunderbolt. The board or laptop must still wire it to a port.

Yes=CalculatedFrom Native USB ports

Yes=CalculatedFrom Native USB ports

Integrated graphics

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Integrated graphicsiNo for chips that need a graphics card, such as Intel F models.

Yes1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026

Yes1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026The brief has an Adreno GPU section and gives the X1P-42-100 up to 1.7 TFLOPS.

Integrated GPUiAs the chip maker names it.

Intel Arc 140T1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026GPU Name: Intel Arc 140T GPU.

Qualcomm Adreno X1-452Maker product pagequalcomm.com/laptops/products/snapdragon-x-plusRead 15 October 2026Specifications: GPU part number X1-85 for X1P-66-100 and X1P-64-100, and X1-45 for X1P-46-100 and X1P-42-100. The X1P-42-100 column reads GPU part number X1-45. The GPU name is Qualcomm Adreno.

GPU coresiAs the chip maker counts them: AMD compute units, Intel Xe-cores, Apple GPU cores. Counts from different makers are not comparable. Intel execution units (EUs) are not Xe-cores and are not stored here. Apple sells some chips with two GPU core counts under one name, so it is per variant.

81Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Xe-cores: 8.

Not available

Max GPU clockiIntel Graphics Max Dynamic Frequency or AMD Graphics Frequency.

2,250MHz1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Graphics Max Dynamic Frequency 2.25 GHz.

1,250MHz2Maker product pagequalcomm.com/laptops/products/snapdragon-x-plusRead 15 October 2026X1P-42-100 column: GPU clock speed Up to 1.25 GHz, stored as 1250 MHz. The X1P-46-100 has up to 1.40 GHz.

Max displaysiDisplays the integrated GPU drives at the same time. The chip maker's total. Intel counts a built-in laptop panel in it. A count of external displays only, as Qualcomm gives, is left out and goes in the source note.

41Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026# of Displays Supported: 4.

Not available

DisplayPort versioniHighest DisplayPort version the integrated GPU outputs, with the UHBR rate when stated.

2.1 UHBR201Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Graphics Output: eDP 1.4b, DP 2.1 UHBR20, HDMI 2.1 FRL.

1.41Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Max. External Display Resolution: DP v1.4 with 3 displays up to UHD60 Hz HDR10, or 2 displays up to 5K60 or UHD120. The internal panel uses eDP v1.4b. The brief counts external displays only and says nothing about how many run at once with the internal panel, so the max displays field is left out. It states no HDMI version.

HDMI versioniHighest HDMI version the integrated GPU outputs, as published.

2.1 FRL1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Graphics Output: eDP 1.4b, DP 2.1 UHBR20, HDMI 2.1 FRL.

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Hardware video encodeiCodecs the chip maker states the integrated GPU encodes in hardware.

H.264, H.265 (HEVC), AV11Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026H.264 Hardware Encode/Decode Yes, H.265 (HEVC) Hardware Encode/Decode Yes, AV1 Encode/Decode Yes.

H.264, H.265 (HEVC), AV11Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026VPU Encode: 4K UHD 30 fps 8-bit recording with H.264, HEVC (H.265) and AV1.

Hardware video decodeiCodecs the chip maker states the integrated GPU decodes in hardware.

H.264, H.265 (HEVC), AV11Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026H.264, H.265 (HEVC) and AV1 are listed as Yes. ARK has no VP9 row, so VP9 is left out.

H.264, H.265 (HEVC), VP9, AV11Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026VPU Decode: 4K 30 fps 10-bit playback with HEVC (H.265), VP9 and AV1, and 4K 60 fps 8-bit playback with H.264 and HEVC (H.265).

NPU

2 of 2 differ

NPU performanceiNPU only, as the chip maker states it. CPU and GPU AI throughput are not included. Precision, usually INT8, belongs in the source note.

13TOPS1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026NPU Peak TOPS (Int8): 13. NPU name Intel AI Boost.

45TOPS1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026Qualcomm Hexagon NPU, TOPS: 45 TOPS. The brief does not state the precision. It gives no combined CPU, GPU and NPU figure.

Total AI performanceiThe chip maker's combined AI figure for CPU, GPU and NPU together, e.g. Intel Overall Peak TOPS or AMD Overall TOPS.

96TOPS1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026Overall Peak TOPS (Int8): 96. GPU Peak TOPS (Int8) is 74. Tom's Hardware's launch article quotes up to 99 platform TOPS and 11 NPU TOPS for the family. ARK's figures for this chip are stored.

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Measured performance

None of 7 known

Cinebench 2024 single-coreiMeasured by a reviewer, not claimed by the maker. Compare only results from the same reviewer.

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Cinebench 2024 multi-coreiMeasured by a reviewer, not claimed by the maker. Compare only results from the same reviewer.

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Cinebench 2026 single-threadiMeasured by a reviewer, not claimed by the maker. The CPU (Single Thread) test, not the CPU (Single Core) test with the core's second thread. Compare only results from the same reviewer.

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Cinebench 2026 multi-coreiMeasured by a reviewer, not claimed by the maker. The CPU (Multiple Threads) test. Not comparable with Cinebench 2024. Compare only results from the same reviewer.

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Geekbench 6 single-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 7 has another scale and is not stored here. Intel Binary Optimization on or off goes in the source note. Store results with it off. Compare only results from the same reviewer.

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Geekbench 6 multi-coreiMeasured by a reviewer, not claimed by the maker. Geekbench 6 only. Geekbench 7 has another scale and is not stored here. Intel Binary Optimization on or off goes in the source note. Store results with it off. Compare only results from the same reviewer.

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Game frame ratesiReviewer game results with this processor and the named graphics card, at native resolution with no upscaling and ray tracing off unless the source note says otherwise. Intel Binary Optimization or APO on or off goes in the source note. Store only results with it off. Compare only results from the same reviewer. A 99th percentile frame rate, as Tom's Hardware prints it, is stored as the 1 % low.

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Measured power and temperature

None of 5 known

CPU power in multi-thread load (measured)iMeasured by a reviewer, not claimed by the maker. CPU package power in a sustained all-core load such as Cinebench multi-core. Not wall power. Compare only results from the same reviewer.

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CPU power while gaming (measured)iMeasured by a reviewer, not claimed by the maker. Average CPU package power while gaming. Not wall power. Compare only results from the same reviewer. Intel Binary Optimization or APO on or off goes in the source note. A geomean that mixes games with it on and off is left out.

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CPU power at idle (measured)iMeasured by a reviewer, not claimed by the maker. CPU package power at the reviewer's idle state. Not wall power. Compare only results from the same reviewer.

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CPU temperature in stress testiMeasured by a reviewer, not claimed by the maker. Highest absolute CPU temperature in a sustained all-core load. A delta over room temperature is not stored. It depends on the cooler. Compare only results from the same reviewer.

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All-core clock in stress testiMeasured by a reviewer, not claimed by the maker. Sustained clock under an all-core load. On chips with several core groups, the clock of the group with the highest rated clock, such as Intel P-cores, even when another group measures higher. Compare only results from the same reviewer.

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In the box

None of 2 known

Cooler in the boxiA cooler comes in the retail box. Tray versions have none.

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Included cooler

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Links

Not compared

Product page

www.intel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.html1Maker product pageintel.com/content/www/us/en/products/sku/241751/intel-core-ultra-7-processor-255h-24m-cache-up-to-5-10-ghz/specifications.htmlRead 14 October 2026

www.qualcomm.com/laptops/products/snapdragon-x-plus2Maker product pagequalcomm.com/laptops/products/snapdragon-x-plusRead 15 October 2026Qualcomm's Snapdragon X Plus product page. Its table loads with scripts. The values below come from the structured data in the page's own JSON file (snapdragon-x-plus.model.json).

Spec sheet

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qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdf1Maker spec sheet (PDF)qualcomm.com/content/dam/qcomm-martech/dm-assets/documents/Snapdragon-X-Plus-8-Core-Product-Brief.pdfRead 15 October 2026

Manual

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EPREL registration numberiId in the EU energy label database. Each size or model of a series has its own id, so it is per variant.

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Warranty

None of 1 known

Manufacturer warranty (source market)iThe maker's warranty period for the exact SKU or configuration and market named in the source note. It applies only to that stated market, not every regional variant. Statutory consumer rights are excluded. The base term is stored. An extension that needs registration goes in the source note.

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Both are also in the API. Back to all CPUs.