Intel Core i7 8665U vs Intel Core Ultra 7 270K Plus

[ VERDICT ] Winner: Intel Core Ultra 7 270K Plus (98/100)

Intel Core Ultra 7 270K Plus leads overall with a score of 98/100 compared to Intel Core i7 8665U (27/100), offering superior measured performance and technical specifications.

Intel Core i7 8665U
Intel

Intel Core i7 8665U

27/100
View Full Specs →
[ WINNER ]
Intel Core Ultra 7 270K Plus
Intel

Intel Core Ultra 7 270K Plus

98/100
View Full Specs →

Benchmark Performance Comparison

Normalized Lab Scores
Benchmark measurements and scores across compared devices
Benchmark Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Efficiency 47.0 Poor 76.0 Good WINNER
Performance 37.0 Poor 99.0 Excellent WINNER

Detailed Technical Specifications

CPU

CPU specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Base Frequency (P) 1.9 GHz 3.7 GHz
Bus Bandwidth 4 GT/s —
L1 Cache 32K (per core) 192K (per core)
L2 Cache 256K (per core) 3MB (per core)
L3 Cache 8MB (shared) 36MB (shared)
Multiplier 19x 37x
P-Cores 4 8
P-Threads 8 8
Total Cores 4 24
Total Threads 8 24
Turbo Boost Frequency (P) 4.8 GHz 5.4 GHz
Unlocked Multiplier No Yes
Base Frequency (E) — 3.2 GHz
Bus Frequency — 100 MHz
E-Cores — 16
E-Threads — 16
Turbo Boost Frequency (E) — 4.7 GHz

GeekBench v6

GeekBench v6 specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Background blur 17.8 images/sec 116 images/sec
Clang compilation 18.3 Klines/sec 297.3 Klines/sec
File compression 337.7 MB/sec 2000 MB/sec
HTML 5 Browser 84.1 pages/sec 635.2 pages/sec
PDF Renderer 104.8 Mpixels/sec 716 Mpixels/sec
Photo processing 36.1 images/sec 210.5 images/sec
Ray tracing 4.18 Mpixels/sec 59 Mpixels/sec
Text processing 108.6 pages/sec 447.5 pages/sec

General

General specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Codename Whiskey Lake Arrow Lake
Instruction Set x86-64 x86-64
Integrated GPU UHD Graphics 620 Arc iGPU (4-Cores)
Model number i7-8665U 270K+
Released April 16, 2019 March 12, 2026
Type Laptop Desktop
Vendor Intel Intel
AMD Equivalent — -AMD Ryzen 9 9950X

Memory Support

Memory Support specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
ECC Support No Yes
Max. Memory Bandwidth 37.5 GB/s 115.2 GB/s
Max. Memory Size 64 GB 256 GB
Memory Channels 2 2
Memory Types - DDR4-2400- LPDDR3-2133 - DDR5-7200

Misc

Misc specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Official Site Intel Core i7 8665U official page Intel Core Ultra 7 270K Plus official page
PCI Express Lanes 16 24
PCI Express Version 3.0 5.0

Package

Package specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Fabrication Process 14 nm 3 nm
Peak Temperature 100°C 105°C
Socket BGA-1528 FCLGA-1851
TDP (PL1) 15 W 125 W
Max. Boost TDP (PL2) — 250 W
Transistors — 17.8 billions

PassMark

PassMark specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Data compression 76.7 MBytes/sec 803 MBytes/sec
Data encryption 2.1 GBytes/sec 59 GBytes/sec
Extended instructions 5B Matrices/sec 63.4B Matrices/sec
Find prime numbers 22M Primes/sec 612M Primes/sec
Floating point math 13.5 GOps/sec 229.2 GOps/sec
Integer math 22.9 GOps/sec 175.8 GOps/sec
Physics 461 Frames/sec 4038 Frames/sec
Random string sorting 10.4M Strings/sec 96.8M Strings/sec

Performance Per Watt

Performance Per Watt specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Blender / Watt 2.56 PPW 4.92 PPW
Cinebench 2024 / Watt 10.8 PPW 19.9 PPW
Geekbench 6 Multi / Watt 228.4 PPW 219.2 PPW
Passmark CPU Mark / Watt 411.5 PPW 547.7 PPW

Recent User Tests

Recent User Tests specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Date Benchmark Benchmark
📘 2025-03-09(kokyica1) Cinebench 2024 —
📘 2026-04-07(IdiotStick) — Cinebench 2026
📘 2026-04-11(Daniel Comeau) — Cinebench 2026
📘 2026-06-13(sparehobos) — Cinebench 2024
📘 2026-06-25(Adnan) — Cinebench 2024
📘 2026-08-12(coolguy) — Cinebench 2026

iGPU

iGPU specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Execution Units 24 64
GPU Base Clock 300 MHz 300 MHz
GPU Boost Clock 1150 MHz 2000 MHz
Integrated Graphics Intel UHD Graphics 620 Intel Arc iGPU (4-Cores)
ROPs 3 16
Shading Units 192 512
TGP 15 W 14 W
TMUs 24 32

Cinebench

Cinebench specifications comparison
Specification Intel Core i7 8665U Intel Core Ultra 7 270K Plus
Cinebench 2026 (Multi) — 9722
Cinebench 2026 (Single) — 595

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