Ultra 7 265K vs i9-7920X

Aggregate performance score

Core i9-7920X
2017
12 cores / 24 threads, 140 Watt
14.89
Core Ultra 7 265K
2024
20 cores / 20 threads, 125 Watt
37.31
+151%

Core Ultra 7 265K outperforms Core i9-7920X by a whopping 151% based on our aggregate benchmark results.

Primary details

Comparing Core i9-7920X and Core Ultra 7 265K processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking47286
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation3.2290.00
Market segmentDesktop processorDesktop processor
SeriesIntel Core i9no data
Power efficiency10.0728.25
Architecture codenameSkylake (server) (2017−2019)Arrow Lake-S (2024−2025)
Release date10 September 2017 (7 years ago)24 October 2024 (recently)
Launch price (MSRP)$1,199$394

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 7 265K has 2695% better value for money than i9-7920X.

Detailed specifications

Core i9-7920X and Core Ultra 7 265K 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 cores12 (Dodeca-Core)20 (Icosa-Core)
Threads2420
Base clock speed2.9 GHz3.9 GHz
Boost clock speed4.4 GHz5.5 GHz
Bus typeDMI 3.0no data
Bus rate4 × 8 GT/sno data
L1 cache64 KB (per core)112 KB (per core)
L2 cache1 MB (per core)3 MB (per core)
L3 cache16.5 MB (shared)30 MB (shared)
Chip lithography14 nm3 nm
Die size484 mm2243 mm2
Maximum core temperature95 °Cno data
Maximum case temperature (TCase)72 °Cno data
Number of transistorsno data17,800 million
64 bit support++
Windows 11 compatibility+no data
Unlocked multiplier++

Compatibility

Information on Core i9-7920X and Core Ultra 7 265K 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
SocketFCLGA20661851
Power consumption (TDP)140 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i9-7920X and Core Ultra 7 265K. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2, Intel® AVX-512no data
AES-NI++
AVX++
vProno data+
Enhanced SpeedStep (EIST)++
Turbo Boost Technology2.0no data
Hyper-Threading Technology+no data
TSX++
SIPP-+
Turbo Boost Max 3.0+no data

Security technologies

Core i9-7920X and Core Ultra 7 265K technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core i9-7920X and Core Ultra 7 265K are enumerated here.

VT-d++
VT-x++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i9-7920X and Core Ultra 7 265K. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4-2666DDR5 Depends on motherboard
Maximum memory size128 GBno data
Max memory channels4no data
Maximum memory bandwidth85.33 GB/sno data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardN/AArc Xe2 Graphics 64EU

Peripherals

Specifications and connection of peripherals supported by Core i9-7920X and Core Ultra 7 265K.

PCIe version3.05.0
PCI Express lanes4420

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.

i9-7920X 14.89
Ultra 7 265K 37.31
+151%

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.

i9-7920X 23651
Ultra 7 265K 59268
+151%

Gaming performance

Pros & cons summary


Performance score 14.89 37.31
Recency 10 September 2017 24 October 2024
Physical cores 12 20
Threads 24 20
Chip lithography 14 nm 3 nm
Power consumption (TDP) 140 Watt 125 Watt

i9-7920X has 20% more threads.

Ultra 7 265K, on the other hand, has a 150.6% higher aggregate performance score, an age advantage of 7 years, 66.7% more physical cores, a 366.7% more advanced lithography process, and 12% lower power consumption.

The Core Ultra 7 265K is our recommended choice as it beats the Core i9-7920X in performance tests.


Should you still have questions on choice between Core i9-7920X and Core Ultra 7 265K, 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 i9-7920X
Core i9-7920X
Intel Core Ultra 7 265K
Core Ultra 7 265K

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.


3.9 36 votes

Rate Core i9-7920X on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.2 61 vote

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

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core i9-7920X or Core Ultra 7 265K, agree or disagree with our judgements, or report an error or mismatch.