Ultra 7 265KF vs i7-7660U

VS

Aggregate performance score

Core i7-7660U
2017
2 cores / 4 threads, 15 Watt
2.57
Core Ultra 7 265KF
2024
20 cores / 20 threads, 125 Watt
39.01
+1418%

Core Ultra 7 265KF outperforms Core i7-7660U by a whopping 1418% based on our aggregate benchmark results.

Primary details

Comparing Core i7-7660U and Core Ultra 7 265KF processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking172973
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluationno data100.00
Market segmentLaptopDesktop processor
SeriesIntel Core i7no data
Power efficiency16.2129.53
Architecture codenameKaby Lake (2016−2019)Arrow Lake-S (2024−2025)
Release date3 January 2017 (7 years ago)24 October 2024 (recently)
Launch price (MSRP)$415$379

Cost-effectiveness evaluation

Performance per price, higher is better.

no data

Detailed specifications

Core i7-7660U 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 speed2.5 GHz3.9 GHz
Boost clock speed4 GHz5.5 GHz
Bus typeOPIno data
Bus rate4 GT/sno data
Multiplier25no data
L1 cache128 KB112 KB (per core)
L2 cache512 KB3 MB (per core)
L3 cache4 MB30 MB (shared)
Chip lithography14 nm3 nm
Die sizeno data243 mm2
Maximum core temperature100 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility-no data
Unlocked multiplier-+

Compatibility

Information on Core i7-7660U 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 configuration1 (Uniprocessor)1
SocketFCBGA13561851
Power consumption (TDP)15 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-7660U and Core Ultra 7 265KF. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2no data
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
eDRAM64 MBno data
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
Idle States+no data
Thermal Monitoring+-
Flex Memory Access+no data
SIPP+-
Smart Response+no data

Security technologies

Core i7-7660U and Core Ultra 7 265KF technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB+no data
Secure Key+no data
MPX+-
Identity Protection+-
SGXYes with Intel® MEno data
OS Guard+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-7660U 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 Core i7-7660U and Core Ultra 7 265KF. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR5
Maximum memory size32 GBno data
Max memory channels2no data
Maximum memory bandwidth34.134 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel Iris Plus Graphics 640N/A
Max video memory32 GBno data
Quick Sync Video+-
Clear Video+no data
Clear Video HD+no data
Graphics max frequency1.1 GHzno data
InTru 3D+no data

Graphics interfaces

Available interfaces and connections of Core i7-7660U and Core Ultra 7 265KF integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-7660U and Core Ultra 7 265KF integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096x2304@30Hzno data
Max resolution over eDP4096x2304@60Hzno data
Max resolution over DisplayPort4096x2304@60Hzno data

Graphics API support

APIs supported by Core i7-7660U and Core Ultra 7 265KF integrated GPUs, sometimes API versions are included.

DirectX12no data
OpenGL4.5no data

Peripherals

Specifications and connection of peripherals supported by Core i7-7660U and Core Ultra 7 265KF.

PCIe version3.05.0
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.

i7-7660U 2.57
Ultra 7 265KF 39.01
+1418%

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.

i7-7660U 4078
Ultra 7 265KF 61964
+1419%

Gaming performance

Pros & cons summary


Performance score 2.57 39.01
Recency 3 January 2017 24 October 2024
Physical cores 2 20
Threads 4 20
Chip lithography 14 nm 3 nm
Power consumption (TDP) 15 Watt 125 Watt

i7-7660U has 733.3% lower power consumption.

Ultra 7 265KF, on the other hand, has a 1417.9% higher aggregate performance score, an age advantage of 7 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 Core i7-7660U in performance tests.

Be aware that Core i7-7660U is a notebook processor while Core Ultra 7 265KF is a desktop one.


Should you still have questions on choice between Core i7-7660U and Core Ultra 7 265KF, ask them in Comments section, and we shall answer.

Vote for your favorite

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.


Intel Core i7-7660U
Core i7-7660U
Intel Core Ultra 7 265KF
Core Ultra 7 265KF

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

Community ratings

Here you can see how users rate the processors, as well as rate them yourself.


4.4 17 votes

Rate Core i7-7660U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.5 24 votes

Rate Core Ultra 7 265KF on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i7-7660U or Core Ultra 7 265KF, agree or disagree with our judgements, or report an error or mismatch.