i5-5575R vs i7-8665U

Aggregate performance score

Core i7-8665U
2018
4 cores / 8 threads, 15 Watt
3.94
+23.1%
Core i5-5575R
2015
4 cores / 4 threads, 65 Watt
3.20

Core i7-8665U outperforms Core i5-5575R by a significant 23% based on our aggregate benchmark results.

Primary details

Comparing Core i7-8665U and Core i5-5575R processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking14341601
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesIntel Core i7Intel Core i5
Power efficiency24.864.66
Architecture codenameWhiskey Lake-U (2018−2019)Broadwell (2015−2019)
Release date1 October 2018 (6 years ago)15 May 2015 (9 years ago)
Launch price (MSRP)$409no data

Detailed specifications

Core i7-8665U and Core i5-5575R 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 cores4 (Quad-Core)4 (Quad-Core)
Threads84
Base clock speed1.9 GHz2.8 GHz
Boost clock speed4.8 GHz3.3 GHz
Bus typeOPIDMI 2.0
Bus rate4 GT/s5 GT/s
Multiplier1928
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache8 MB (shared)4 MB (shared)
Chip lithography14 nm14 nm
Die sizeno data182 mm2
Maximum core temperature100 °Cno data
Maximum case temperature (TCase)no data72 °C
64 bit support++
Windows 11 compatibility+-

Compatibility

Information on Core i7-8665U and Core i5-5575R 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 (Uniprocessor)
SocketFCBGA1528FCBGA1364
Power consumption (TDP)15 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-8665U and Core i5-5575R. 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++
Enhanced SpeedStep (EIST)++
eDRAMno data128 MB
Speed Shift+no data
My WiFi+no data
Turbo Boost Technology2.02.0
Hyper-Threading Technology+no data
TSX++
Idle States++
Thermal Monitoring++
Flex Memory Access+no data
SIPP+-
Smart Response+no data
FDIno data+

Security technologies

Core i7-8665U and Core i5-5575R technologies aimed at improving security, for example, by protecting against hacks.

TXT++
EDB++
Secure Key++
MPX+-
Identity Protection++
SGXYes with Intel® MEno data
OS Guard++
Anti-Theftno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-8665U and Core i5-5575R are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-8665U and Core i5-5575R. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR4DDR3L-1333, DDR3L-1600, DDR3L-1866
Maximum memory size64 GB32 GB
Max memory channels22
Maximum memory bandwidth38.397 GB/s29.86 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics card
Compare
Intel UHD Graphics for 8th Generation Intel ProcessorsIntel Iris Pro Graphics 6200
Max video memory32 GB32 GB
Quick Sync Video++
Clear Video++
Clear Video HD++
Graphics max frequency1.15 GHz1.05 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core i7-8665U and Core i5-5575R integrated GPUs.

Number of displays supported33
eDP++
DisplayPort++
HDMI++
DVI++
VGAno data+

Graphics image quality

Maximum display resolutions supported by Core i7-8665U and Core i5-5575R integrated GPUs, including resolutions over different interfaces.

4K resolution support+no data
Max resolution over HDMI 1.44096 x 2304@24Hz4096x2304@24Hz
Max resolution over eDP4096 x 2304@60Hz3840x2160@60Hz
Max resolution over DisplayPort4096 x 2304@60Hz3840x2160@60Hz
Max resolution over VGAno data1920x1200@60Hz

Graphics API support

APIs supported by Core i7-8665U and Core i5-5575R integrated GPUs, sometimes API versions are included.

DirectX1211.2
OpenGL4.54.3

Peripherals

Specifications and connection of peripherals supported by Core i7-8665U and Core i5-5575R.

PCIe version3.03.0
PCI Express lanes1616

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.

i7-8665U 3.94
+23.1%
i5-5575R 3.20

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.

i7-8665U 6251
+22.9%
i5-5575R 5085

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.

i7-8665U 765
i5-5575R 1047
+36.9%

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.

i7-8665U 2425
i5-5575R 3148
+29.8%

Gaming performance

Pros & cons summary


Performance score 3.94 3.20
Integrated graphics card 5.58 3.95
Recency 1 October 2018 15 May 2015
Threads 8 4
Power consumption (TDP) 15 Watt 65 Watt

i7-8665U has a 23.1% higher aggregate performance score, 41.3% faster integrated GPU, an age advantage of 3 years, 100% more threads, and 333.3% lower power consumption.

The Core i7-8665U is our recommended choice as it beats the Core i5-5575R in performance tests.

Be aware that Core i7-8665U is a notebook processor while Core i5-5575R is a desktop one.


Should you still have questions on choice between Core i7-8665U and Core i5-5575R, ask them in Comments section, and we shall answer.

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Intel Core i7-8665U
Core i7-8665U
Intel Core i5-5575R
Core i5-5575R

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Community ratings

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Questions & comments

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