Core i5-8400H vs Core 2 Duo U7700

Core 2 Duo P8400 Core 2 Duo P8600 Core 2 Duo T6600 Core 2 Duo T7500 Core 2 Duo T8100 Core 2 Duo T8300 Core 2 Duo T9300 Core 2 Duo T9600 Core 2 Duo T9900 Core 2 Duo U7500 Core 2 Duo U7600 Core 2 Duo U7700
VS
Core i5-1235U Core i5-8200Y Core i5-8210Y Core i5-8250U Core i5-8259U Core i5-8265U Core i5-8279U Core i5-8300H Core i5-8350U Core i5-8365U Core i5-8400B Core i5-8400H

Contents

Core 2 Duo U7700 Core 2 Duo U7700
i5-8400H i5-8400H

Primary details

Comparing Core 2 Duo U7700 and Core i5-8400H processor market type (desktop or notebook), architecture, sales start time and price.

Place in the rankingnot rated1246
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoIntel Core i5
Power efficiencyno data10.12
Architecture codenameMerom-2048 (2006−2008)Coffee Lake-H (2018−2019)
Release date27 July 2006 (18 years ago)2 April 2018 (6 years ago)
Launch price (MSRP)no data$250

Detailed specifications

Core 2 Duo U7700 and Core i5-8400H 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 cores2 (Dual-core)4 (Quad-Core)
Threads28
Base clock speed1.33 GHz2.5 GHz
Boost clock speed1.33 GHz4.2 GHz
Bus typeno dataDMI 3.0
Bus rate533 MHz4 × 8 GT/s
Multiplierno data25
L1 cache64 KB64K (per core)
L2 cache2 MB256K (per core)
L3 cache0 KB12 MB (shared)
Chip lithography65 nm14 nm
Die size143 mm2126 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors291 Millionno data
64 bit support++
Windows 11 compatibility-+
VID voltage range0.8V-0.975Vno data

Compatibility

Information on Core 2 Duo U7700 and Core i5-8400H 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)
SocketPFCBGA1440
Power consumption (TDP)10 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo U7700 and Core i5-8400H. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataIntel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
AVX-+
vProno data+
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology-2.0
Hyper-Threading Technology-+
TSX-+
Idle States++
Thermal Monitoring-+
Flex Memory Accessno data+
SIPP-+
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Duo U7700 and Core i5-8400H technologies aimed at improving security, for example, by protecting against hacks.

TXT-+
EDB++
Secure Keyno data+
MPX-+
Identity Protection-+
SGXno dataYes with Intel® ME
OS Guardno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo U7700 and Core i5-8400H are enumerated here.

AMD-V-+
VT-dno data+
VT-x++
EPTno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo U7700 and Core i5-8400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesno dataDDR4
Maximum memory sizeno data64 GB
Max memory channelsno data2
Maximum memory bandwidthno data42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataIntel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Core 2 Duo U7700 and Core i5-8400H integrated GPUs.

Number of displays supportedno data3
eDPno data+
DisplayPort-+
HDMI-+
DVIno data+

Graphics image quality

Maximum display resolutions supported by Core 2 Duo U7700 and Core i5-8400H integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@30Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz
Max resolution over VGAno dataN/A

Graphics API support

APIs supported by Core 2 Duo U7700 and Core i5-8400H integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo U7700 and Core i5-8400H.

PCIe versionno data3.0
PCI Express lanesno data16

Synthetic benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

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.

Core 2 Duo U7700 429
i5-8400H 7636
+1680%

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.

Core 2 Duo U7700 1335
i5-8400H 6659
+399%

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.

Core 2 Duo U7700 2515
i5-8400H 21711
+763%

Pros & cons summary

Recency 27 July 2006 2 April 2018
Physical cores 2 4
Threads 2 8
Chip lithography 65 nm 14 nm
Power consumption (TDP) 10 Watt 45 Watt

Core 2 Duo U7700 has 350% lower power consumption.

i5-8400H, on the other hand, has an age advantage of 11 years, 100% more physical cores and 300% more threads, and a 364.3% more advanced lithography process.

We couldn't decide between Core 2 Duo U7700 and Core i5-8400H. We've got no test results to judge.

Should you still have questions on choice between Core 2 Duo U7700 and Core i5-8400H, ask them in Comments section, and we shall answer.

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 2 Duo U7700
Core 2 Duo U7700
Intel Core i5-8400H
Core i5-8400H
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Community ratings

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

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Questions & comments

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