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Key specs
Cores
4
Threads
8
Boost Clock
4.8 GHz
TDP
15 W
Socket
BGA-1528
Process
14 nm
Benchmarks
Rating
27
Perf.
23
iGPU
23
Energy
47
Cinebench 2024 Single-Core
56
Cinebench 2024 Multi-Core
162
TDP
15 W
Cache L3
8MB
Cinebench 2024 (Single)
56
Cinebench 2024 (Multi)
162
Geekbench 6 (Single-Core)
1269
Geekbench 6 (Multi-Core)
3426
Passmark CPU (Single-Core)
2163
Passmark CPU (Multi-Core)
6172
Blender CPU
38.39
iGPU FLOPS
0.4 TFLOPS
GeekBench v6
File compression
337.7 MB/sec
Clang compilation
18.3 Klines/sec
HTML 5 Browser
84.1 pages/sec
PDF Renderer
104.8 Mpixels/sec
Text processing
108.6 pages/sec
Background blur
17.8 images/sec
Photo processing
36.1 images/sec
Ray tracing
4.18 Mpixels/sec
PassMark
Integer math
22.9 GOps/sec
Floating point math
13.5 GOps/sec
Find prime numbers
22M Primes/sec
Random string sorting
10.4M Strings/sec
Data encryption
2.1 GBytes/sec
Data compression
76.7 MBytes/sec
Physics
461 Frames/sec
Extended instructions
5B Matrices/sec
Performance Per Watt
Cinebench 2024 / Watt
10.8 PPW
Geekbench 6 Multi / Watt
228.4 PPW
Passmark CPU Mark / Watt
411.5 PPW
Blender / Watt
2.56 PPW
General
Vendor
Intel
Released
April 16, 2019
Type
Laptop
Instruction Set
x86-64
Codename
Whiskey Lake
Model number
i7-8665U
Integrated GPU
UHD Graphics 620
CPU
P-Cores
4
P-Threads
8
Base Frequency (P)
1.9 GHz
Turbo Boost Frequency (P)
4.8 GHz
Total Cores
4
Total Threads
8
Multiplier
19x
Bus Bandwidth
4 GT/s
L1 Cache
32K (per core)
L2 Cache
256K (per core)
L3 Cache
8MB (shared)
Unlocked Multiplier
No
Package
Fabrication Process
14 nm
TDP (PL1)
15 W
Socket
BGA-1528
Peak Temperature
100°C
iGPU
Integrated Graphics
Intel UHD Graphics 620
GPU Base Clock
300 MHz
GPU Boost Clock
1150 MHz
Shading Units
192
TMUs
24
ROPs
3
Execution Units
24
TGP
15 W
Memory Support
Memory Types
- DDR4-2400 / - LPDDR3-2133
Max. Memory Size
64 GB
Memory Channels
2
Max. Memory Bandwidth
37.5 GB/s
ECC Support
No
Misc
Official Site
Intel Core i7 8665U official page
PCI Express Version
3.0
PCI Express Lanes
16