i7-8665U vs Ultra 9 285H

#ad 
Buy on Amazon
VS

Aggregate performance score

Core Ultra 9 285H
2025, $651
16 cores / 16 threads, 45 Watt
19.45
+453%
Core i7-8665U
2018, $409
4 cores / 8 threads, 15 Watt
3.52

Core Ultra 9 285H outperforms Core i7-8665U by a whopping 453% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking3491685
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation27.471.36
Market segmentLaptopLaptop
Seriesno dataIntel Core i7
Power efficiency46.3125.14
DesignerIntelIntel
ManufacturerTSMCIntel
Architecture codenameArrow Lake-H (2025)Whiskey Lake-U (2018−2019)
Release date13 January 2025 (less than a year ago)1 October 2018 (7 years ago)
Launch price (MSRP)$651$409

Cost-effectiveness evaluation

Performance per price, higher is better.

Ultra 9 285H has 1920% better value for money than i7-8665U.

Performance to price scatter graph

Detailed specifications

Core Ultra 9 285H and Core i7-8665U 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 cores16 (Hexadeca-Core)4 (Quad-Core)
Performance-cores6no data
Efficient-cores8no data
Low Power Efficient-cores2no data
Threads168
Base clock speed2.9 GHz1.9 GHz
Boost clock speed5.4 GHz4.8 GHz
Bus typeno dataOPI
Bus rateno data4 GT/s
Multiplierno data19
L1 cache192 KB (per core)64 KB (per core)
L2 cache3 MB (per core)256 KB (per core)
L3 cache24 MB (shared)8 MB (shared)
Chip lithography3 nm14 nm
Maximum core temperature110 °C100 °C
64 bit support++
Windows 11 compatibilityno data+

Compatibility

Information on Core Ultra 9 285H and Core i7-8665U 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 (Uniprocessor)
SocketFCBGA2049FCBGA1528
Power consumption (TDP)45 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core Ultra 9 285H and Core i7-8665U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI++
AVX++
vPro+no data
Enhanced SpeedStep (EIST)++
Speed Shift++
My WiFino data+
Turbo Boost Technology2.02.0
Hyper-Threading Technology-+
TSX-+
Idle Statesno data+
Thermal Monitoring++
Flex Memory Accessno data+
SIPP++
Smart Responseno data+
Turbo Boost Max 3.0+no data
Deep Learning Boost+-
Supported AI Software FrameworksOpenVINO™, WindowsML, ONNX RT, DirectML, WebNN-

Security technologies

Core Ultra 9 285H and Core i7-8665U technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guard++

Virtualization technologies

Virtual machine speed-up technologies supported by Core Ultra 9 285H and Core i7-8665U are enumerated here.

AMD-V-+
VT-d++
VT-x++
EPT++

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core Ultra 9 285H and Core i7-8665U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR5-6400DDR4
Maximum memory size128 GB64 GB
Max memory channels22
Maximum memory bandwidthno data38.397 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel® Arc™ 140T GPUIntel UHD Graphics for 8th Generation Intel Processors
Max video memoryno data32 GB
Quick Sync Video++
Clear Videono data+
Clear Video HDno data+
Graphics max frequency2.35 GHz1.15 GHz

Graphics interfaces

Available interfaces and connections of Core Ultra 9 285H and Core i7-8665U integrated GPUs.

Number of displays supported43
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core Ultra 9 285H and Core i7-8665U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.44096 x 2304 @ 60Hz (HDMI 2.1 TMDS)7680 x 4320 @ 60Hz (HDMI 2.1 FRL)4096 x 2304@24Hz
Max resolution over eDP3840 x 2400 @ 120Hz4096 x 2304@60Hz
Max resolution over DisplayPort7680 x 4320 @ 60Hz4096 x 2304@60Hz

Graphics API support

APIs supported by Core Ultra 9 285H and Core i7-8665U integrated GPUs, sometimes API versions are included.

DirectX12.212
OpenGL4.64.5

Peripherals

Specifications and connection of peripherals supported by Core Ultra 9 285H and Core i7-8665U.

PCIe version5.0 and 4.03.0
PCI Express lanes2416

Synthetic benchmarks

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.

Ultra 9 285H 19.45
+453%
i7-8665U 3.52

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. Other than that, Passmark measures multi-core performance.

Ultra 9 285H 34298
+453%
Samples: 815
i7-8665U 6206
Samples: 2166

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Ultra 9 285H 2611
+241%
i7-8665U 765

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Ultra 9 285H 14820
+511%
i7-8665U 2425

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Ultra 9 285H 11459
+66.7%
i7-8665U 6872

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Ultra 9 285H 74797
+306%
i7-8665U 18427

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Ultra 9 285H 3.38
+195%
i7-8665U 9.98

Cinebench 15 64-bit multi-core

Cinebench Release 15 Multi Core is a variant of Cinebench R15 which uses all the processor threads.

Ultra 9 285H 3137
+368%
i7-8665U 670

Cinebench 15 64-bit single-core

Cinebench R15 (standing for Release 15) is a benchmark made by Maxon, authors of Cinema 4D. It was superseded by later versions of Cinebench, which use more modern variants of Cinema 4D engine. The Single Core version (sometimes called Single-Thread) only uses a single processor thread to render a room full of reflective spheres and light sources.

Ultra 9 285H 311
+72.8%
i7-8665U 180

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Ultra 9 285H 9.5
+265%
i7-8665U 2.6

x264 encoding pass 2

x264 Pass 2 is a slower variant of x264 video compression that produces a variable bit rate output file, which results in better quality since the higher bit rate is used when it is needed more. Benchmark result is still measured in frames per second.  

Ultra 9 285H 181
+464%
i7-8665U 32

x264 encoding pass 1

x264 version 4.0 is a video encoding benchmark uses MPEG 4 x264 compression method to compress a sample HD (720p) video. Pass 1 is a faster variant that produces a constant bit rate output file. Its result is measured in frames per second, which means how many frames of the source video file were encoded per second.  

Ultra 9 285H 360
+159%
i7-8665U 139

Geekbench 5.5 Multi-Core

Ultra 9 285H 15435
+478%
i7-8665U 2671

7-Zip Single

Ultra 9 285H 6069
+29%
i7-8665U 4706

7-Zip

Ultra 9 285H 56987
+211%
i7-8665U 18298

Gaming performance

Pros & cons summary


Performance score 19.45 3.52
Recency 13 January 2025 1 October 2018
Physical cores 16 4
Threads 16 8
Chip lithography 3 nm 14 nm
Power consumption (TDP) 45 Watt 15 Watt

Ultra 9 285H has a 452.6% higher aggregate performance score, an age advantage of 6 years, 300% more physical cores and 100% more threads, and a 366.7% more advanced lithography process.

i7-8665U, on the other hand, has 200% lower power consumption.

The Intel Core Ultra 9 285H is our recommended choice as it beats the Intel Core i7-8665U in performance tests.

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 Ultra 9 285H
Core Ultra 9 285H
Intel Core i7-8665U
Core i7-8665U

Other comparisons

We've compiled a selection of CPU comparisons, ranging from closely matched processors to other comparisons that may be of interest.

Community ratings

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


4.3 115 votes

Rate Core Ultra 9 285H on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.7 215 votes

Rate Core i7-8665U on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Comments

Here you can give us your opinion about processors Core Ultra 9 285H and Core i7-8665U, agree or disagree with our ratings, or report bugs or inaccuracies on the site.