Ultra 7 265KF vs Pentium 3825U

Aggregate performance score

Pentium 3825U
2015
2 cores / 4 threads, 15 Watt
0.88
Core Ultra 7 265KF
2024
20 cores / 20 threads, 125 Watt
39.01
+4333%

Core Ultra 7 265KF outperforms Pentium 3825U by a whopping 4333% based on our aggregate benchmark results.

Primary details

Comparing Pentium 3825U and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking254573
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data100.00
Market segmentLaptopDesktop processor
SeriesIntel Pentiumno data
Power efficiency5.5529.53
Architecture codenameBroadwell-U (2015)Arrow Lake-S (2024−2025)
Release date1 March 2015 (9 years ago)24 October 2024 (recently)
Launch price (MSRP)$161$379

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Pentium 3825U and Core Ultra 7 265KF 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)20 (Icosa-Core)
Threads420
Base clock speed1.9 GHz3.9 GHz
Boost clock speed1.9 GHz5.5 GHz
Bus rate5 GT/sno data
L1 cache64K (per core)112 KB (per core)
L2 cache256K (per core)3 MB (per core)
L3 cache2 MB (shared)30 MB (shared)
Chip lithography14 nm3 nm
Die size82 mm2243 mm2
Maximum core temperature105 °Cno data
Maximum case temperature (TCase)105 °Cno data
Number of transistors1300 Million17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Pentium 3825U and Core Ultra 7 265KF 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
SocketFCBGA11681851
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pentium 3825U and Core Ultra 7 265KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2no data
AES-NI++
AVX++
Enhanced SpeedStep (EIST)++
Turbo Boost Technology-no data
Hyper-Threading Technology+no data
TSX-+
Thermal Monitoring+-
Flex Memory Access+no data
Smart Response-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Pentium 3825U and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB+no data
Secure Key+no data
Identity Protection+-
OS Guard-no data

Virtualization technologies

Virtual machine speed-up technologies supported by Pentium 3825U and Core Ultra 7 265KF are enumerated here.

AMD-V+-
VT-d++
VT-x++
EPT+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pentium 3825U and Core Ultra 7 265KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR5
Maximum memory size16 GBno data
Max memory channels2no data
Maximum memory bandwidth25.6 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® HD Graphics for 5th Generation Intel® ProcessorsN/A
Quick Sync Video+-
Clear Video+no data
Graphics max frequency850 MHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Pentium 3825U and Core Ultra 7 265KF integrated GPUs.

Number of displays supported3no data
eDP+no data
DisplayPort+-
HDMI+-

Graphics API support

APIs supported by Pentium 3825U and Core Ultra 7 265KF integrated GPUs, sometimes API versions are included.

DirectX11.2/12no data

Peripherals

Specifications and connection of peripherals supported by Pentium 3825U and Core Ultra 7 265KF.

PCIe version2.05.0
PCI Express lanes1220

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 3825U 0.88
Ultra 7 265KF 39.01
+4333%

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 3825U 1399
Ultra 7 265KF 61964
+4329%

Gaming performance

Pros & cons summary


Performance score 0.88 39.01
Recency 1 March 2015 24 October 2024
Physical cores 2 20
Threads 4 20
Chip lithography 14 nm 3 nm
Power consumption (TDP) 15 Watt 125 Watt

Pentium 3825U has 733.3% lower power consumption.

Ultra 7 265KF, on the other hand, has a 4333% higher aggregate performance score, an age advantage of 9 years, 900% more physical cores and 400% more threads, and a 366.7% more advanced lithography process.

The Core Ultra 7 265KF is our recommended choice as it beats the Pentium 3825U in performance tests.

Be aware that Pentium 3825U is a notebook processor while Core Ultra 7 265KF is a desktop one.


Should you still have questions on choice between Pentium 3825U and Core Ultra 7 265KF, ask them in Comments section, and we shall answer.

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Intel Pentium 3825U
Pentium 3825U
Intel Core Ultra 7 265KF
Core Ultra 7 265KF

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Community ratings

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Questions & comments

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