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Intel Core i7-8665U Benchmark, Test and specs

Last updated: 2023-08-11

The Intel Core i7-8665U has 4 cores with 8 threads and is based on the 8. gen of the Intel Core i7 series. The processor uses a mainboard with the BGA 1356 socket and was released in Q2/2019. The Intel Core i7-8665U scores 1,127 points in the Geekbench 5 single-core benchmark. In the Geekbench 5 multi-core benchmark, the result is 3,314 points.

At a glance
Name:	Intel Core i7-8665U
Family:	Intel Core i7 (300)
CPU group:	Intel Core i 8000U (WL) (8)
Architecture:	Whiskey Lake U
Technology:	14 nm
Segment:	Notebook
Generation:	8
Predecessor:	--
Successor:	--

CPU Cores and Base Frequency

The Intel Core i7-8665U has 4 CPU cores and can calculate 8 threads in parallel. The clock frequency of the Intel Core i7-8665U is 1.90 GHz (4.80 GHz). The number of CPU cores greatly affects the speed of the processor and is an important performance indicator.

CPU Cores / Threads:	4 / 8
Core architecture:	normal
Cores:	4x

Hyperthreading / SMT:	Yes
Overclocking:	No
Frequency:	1.90 GHz
Turbo Frequency (1 Core):	4.80 GHz
Turbo Frequency (4 Cores):	2.80 GHz

NPU AI performance

The performance values of the processor's AI unit. The isolated NPU performance is specified here, the total AI performance (NPU+CPU+iGPU) can be higher. Processors with support for artificial intelligence (AI) and machine learning (ML) can process many calculations, especially audio, image and video processing, much faster than classic processors.

AI hardware:	--
AI specifications:	--
NPU + CPU + iGPU:	--

Integrated graphics (iGPU)

The Intel Core i7-8665U has integrated graphics, called iGPU for short. Specifically, the Intel Core i7-8665U uses the Intel UHD Graphics 620, which has 192 texture shaders and 24 execution units. The iGPU uses the system's main memory as graphics memory and sits on the processor's die.

GPU name:	Intel UHD Graphics 620
GPU frequency:	0.30 GHz
GPU (Turbo):	1.15 GHz
Compute units:	24
Shader:	192
Hardware Raytracing:	No
Release date:	Q3/2016

Max. displays:	3
Generation:	9.5
Direct X:	12
Technology:	14 nm
Max. GPU Memory:	16 GB
Frame Generation:	No

Hardware codec support

A photo or video codec that is accelerated in hardware can greatly accelerate the working speed of a processor and extend the battery life of notebooks or smartphones when playing videos.

h265 / HEVC (8 bit):	Decode / Encode
h265 / HEVC (10 bit):	Decode / Encode
h264:	Decode / Encode
VP8:	Decode / Encode
VP9:	Decode / Encode

AV1:	No
AVC:	Decode / Encode
VC-1:	Decode
JPEG:	Decode / Encode

Memory type:	Memory bandwidth:
Memory & PCIe The processor can use up to 64 GB memory in 2 (Dual Channel) memory channels. The maximum memory bandwidth is 38.4 GB/s. The memory type as well as the amount of memory can greatly affect the speed of the system.

DDR4-2400	38.4 GB/s
Max. Memory:	64 GB
Memory channels:	2 (Dual Channel)
ECC:	No
PCIe:	3.0 x 16
PCIe Bandwidth:	15.8 GB/s

Thermal Management The thermal design power (TDP for short) of the processor is 15 W. The TDP specifies the necessary cooling solution that is required to cool the processor sufficiently. The TDP usually gives a rough idea of the actual power consumption of the CPU.

TDP (PL1 / PBP):	15 W
TDP (PL2):	--
TDP up:	25 W
TDP down:	10 W
Tjunction max.:	100 °C

Technical details

The Intel Core i7-8665U is made in 14 nm. The smaller the manufacturing process of a CPU, the more modern and energy-efficient it is. Overall, the processor has 8.00 MB cache. A large cache can greatly speed up the processor's speed in some cases such as games.

Technology:	14 nm
Chip design:	Monolithic
Socket:	BGA 1356
L2-Cache:	--
L3-Cache:	8.00 MB
AES-NI:	Yes
Operating systems:	Windows 10, Windows 11, Linux

Virtualization:	VT-x, VT-x EPT, VT-d
Instruction set (ISA):	x86-64 (64 bit)
ISA extensions:	SSE4.1, SSE4.2, AVX2
Release date:	Q2/2019
Release price:	409 $
Part Number:	--
Documents:	Technical data sheet

Intel Core i7-8665U
4C 8T @ 1.90 GHz (4.80 GHz)

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Benchmark results

The benchmark results for the Intel Core i7-8665U have been carefully checked by us. We only publish benchmark results that have been created by us or that have been submitted by a visitor and then checked by a team member. All results are based on and fullfill our benchmark guidelines.

Geekbench 6 (Single-Core)

Geekbench 6 is a partial load benchmark for modern computers, notebooks and smartphones. In the single-core test, only the fastest CPU core is measured. The test run simulates the performance in practice.


	Intel Core i9-8950HK 6C 12T @ 4.80 GHz	1445
	Intel Core i7-10610U 4C 8T @ 4.90 GHz	1442
	AMD Ryzen 7 4700U 8C 8T @ 4.10 GHz	1439
	Intel Core i7-8665U 4C 8T @ 4.80 GHz	1437
	AMD Ryzen 5 5500U 6C 12T @ 4.00 GHz	1437
	Intel Core i7-8569U 4C 8T @ 4.70 GHz	1432
	Intel Core i9-9880H 8C 16T @ 4.80 GHz	1422

Geekbench 6 (Multi-Core)

The practical Geekbench 6 multi-core benchmark tests the system's performance under partial load. The processor's maximum power consumption is far from being used up.


	Intel Core i5-8350U 4C 8T @ 2.40 GHz	3761
	Intel Core i5-1035G4 4C 8T @ 3.30 GHz	3760
	Intel Core i7-7820EQ 4C 8T @ 3.00 GHz	3741
	Intel Core i7-8665U 4C 8T @ 2.80 GHz	3732
	Intel Core i5-10310U 4C 8T @ 1.70 GHz	3724
	AMD Ryzen 3 PRO 5475U 4C 8T @ 3.90 GHz	3714
	Intel Core i7-4860HQ 4C 8T @ 2.40 GHz	3706

Geekbench 5, 64bit (Single-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i7-9750H 6C 12T @ 4.50 GHz	1132
	Intel Core i7-9750HF 6C 12T @ 4.50 GHz	1132
	Intel Core i5-10310U 4C 8T @ 4.40 GHz	1131
	Intel Core i7-8665U 4C 8T @ 4.80 GHz	1127
	Intel Core i9-9880H 8C 16T @ 4.80 GHz	1127
	Intel Core i3-1005G1 2C 4T @ 3.40 GHz	1126
	Intel Core i9-8950HK 6C 12T @ 4.80 GHz	1124

Geekbench 5, 64bit (Multi-Core)

Geekbench 5 is a cross plattform benchmark that heavily uses the systems memory. A fast memory will push the result a lot. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i7-7700HQ 4C 8T @ 3.40 GHz	3324
	Intel Core i7-4910MQ 4C 8T @ 2.90 GHz	3317
	Intel Core i7-4950HQ 4C 8T @ 2.40 GHz	3317
	Intel Core i7-8665U 4C 8T @ 2.80 GHz	3314
	Intel Core i7-3940XM 4C 8T @ 3.00 GHz	3310
	Intel Core i7-6870HQ 4C 8T @ 3.20 GHz	3299
	Intel Core i7-6820HQ 4C 8T @ 3.20 GHz	3299

Cinebench R20 (Single-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	AMD Ryzen 7 4800U 8C 16T @ 4.20 GHz	472
	Intel Core i7-10510U 4C 8T @ 4.80 GHz	471
	Intel Xeon E-2276M 6C 12T @ 4.70 GHz	465
	Intel Core i7-8665U 4C 8T @ 4.80 GHz	464
	AMD Ryzen 7 PRO 4750U 8C 16T @ 4.10 GHz	464
	AMD Ryzen 7 4700U 8C 8T @ 4.10 GHz	464
	AMD Ryzen 5 5500U 6C 12T @ 4.00 GHz	462

Cinebench R20 (Multi-Core)

Cinebench R20 is the successor of Cinebench R15 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	Intel Core i5-8350U 4C 8T @ 2.40 GHz	1564
	Intel Core i5-1034G1 4C 8T @ 3.30 GHz	1551
	Intel Core i5-1035G1 4C 8T @ 3.20 GHz	1545
	Intel Core i7-8665U 4C 8T @ 2.80 GHz	1536
	Intel Core i7-10510U 4C 8T @ 3.70 GHz	1523
	Intel Core i7-1060G7 4C 8T @ 2.60 GHz	1521
	Intel Core i7-8565U 4C 8T @ 2.40 GHz	1518

iGPU - FP32 Performance (Single-precision GFLOPS)

The theoretical computing performance of the internal graphics unit of the processor with simple accuracy (32 bit) in GFLOPS. GFLOPS indicates how many billion floating point operations the iGPU can perform per second.


	Intel Core i7-8565U Intel UHD Graphics 620 @ 1.15 GHz	442
	Intel Core i7-8650U Intel UHD Graphics 620 @ 1.15 GHz	442
	Intel Core i7-8665UE Intel UHD Graphics 620 @ 1.15 GHz	442
	Intel Core i7-8665U Intel UHD Graphics 620 @ 1.15 GHz	442
	Intel Core i5-10210U Intel UHD Graphics (Comet Lake) @ 1.10 GHz	441
	AMD RX-416GD AMD Radeon R6 (Merlin Falcon) @ 0.58 GHz	440
	Intel Core i7-4930MX Intel HD Graphics 4600 @ 1.35 GHz	432

Estimated results for PassMark CPU Mark

Some of the CPUs listed below have been benchmarked by CPU-monkey. However the majority of CPUs have not been tested and the results have been estimated by a CPU-monkey’s secret proprietary formula. As such they do not accurately reflect the actual Passmark CPU mark values and are not endorsed by PassMark Software Pty Ltd.


	Intel Core i7-4950HQ 4C 8T @ 2.40 GHz	6314
	Intel Core i5-10210U 4C 8T @ 3.80 GHz	6312
	Intel Core i7-4910MQ 4C 8T @ 2.90 GHz	6277
	Intel Core i7-8665U 4C 8T @ 2.80 GHz	6275
	Intel Core i5-8350U 4C 8T @ 2.40 GHz	6255
	Intel Core i5-8365U 4C 8T @ 2.60 GHz	6254
	Intel Core i7-4860HQ 4C 8T @ 2.40 GHz	6236

CPU-Z Benchmark 17 (Multi-Core)

The CPU-Z benchmark measures a processor's performance by measuring the time it takes the system to complete all benchmark calculations. The faster the benchmark is completed, the higher the score.


	Intel Core i5-10310U 4C 8T @ 1.70 GHz	2057
	Intel Core i7-7820HQ 4C 8T @ 2.90 GHz	1973
	Intel Core i7-4940MX 4C 8T @ 3.10 GHz	1967
	Intel Core i7-8665U 4C 8T @ 1.90 GHz	1960
	Intel Core i7-1160G7 4C 8T @ 2.10 GHz	1954
	Intel Core i7-7820HK 4C 8T @ 2.90 GHz	1948
	AMD Ryzen 7 3750H 4C 8T @ 2.30 GHz	1940

Cinebench R15 (Single-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The single-core test only uses one CPU core, the amount of cores or hyperthreading ability doesn't count.


	Intel Core i7-8850H 6C 12T @ 4.30 GHz	182
	Intel Core i7-8750H 6C 12T @ 4.10 GHz	180
	Intel Core i7-8809G 4C 8T @ 4.20 GHz	179
	Intel Core i7-8665U 4C 8T @ 4.80 GHz	178
	AMD Ryzen 5 4600H 6C 12T @ 4.00 GHz	178
	Intel Core i7-10710U 6C 12T @ 4.70 GHz	178
	Intel Core i5-8400H 4C 8T @ 4.20 GHz	178

Cinebench R15 (Multi-Core)

Cinebench R15 is the successor of Cinebench 11.5 and is also based on the Cinema 4 Suite. Cinema 4 is a worldwide used software to create 3D forms. The multi-core test involves all CPU cores and taks a big advantage of hyperthreading.


	AMD Ryzen 5 3500U 4C 8T @ 3.00 GHz	620
	AMD Ryzen 5 3580U 4C 8T @ 3.00 GHz	620
	Intel Core i7-8650U 4C 8T @ 2.60 GHz	614
	Intel Core i7-8665U 4C 8T @ 2.80 GHz	604
	Intel Core i7-4750HQ 4C 8T @ 2.80 GHz	604
	Intel Core i7-4712MQ 4C 8T @ 2.30 GHz	596
	Intel Core i5-7440HQ 4C 4T @ 3.40 GHz	594

Benchmarks

Geekbench 6 (SC)
1,833 entries

Geekbench 6 (MC)
1,779 entries

Geekbench 5 (SC)
2,506 entries

Geekbench 5 (MC)
2,474 entries

Cinebench R20 (SC)
663 entries

Cinebench R20 (MC)
611 entries

FP32 SP (iGPU)
2,128 entries

PassMark CPU-Mark
2,444 entries

CPU-Z Benchmark 17 (MC)
741 entries

Cinebench R15 (SC)
1,108 entries

Cinebench R15 (MC)
1,104 entries

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