Celeron 3865U vs i7-720QM

Aggregate performance score

Core i7-720QM
2009
4 cores / 8 threads, 45 Watt
1.04
+25.3%
Celeron 3865U
2017
2 cores / 2 threads, 15 Watt
0.83

Core i7-720QM outperforms Celeron 3865U by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Core i7-720QM and Celeron 3865U processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking24292580
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core i7Intel Celeron
Power efficiency2.195.24
Architecture codenameClarksfield (2009−2010)Kaby Lake-U (2017)
Release date23 September 2009 (15 years ago)3 January 2017 (7 years ago)
Launch price (MSRP)$546$107

Detailed specifications

Core i7-720QM and Celeron 3865U 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)2 (Dual-core)
Threads82
Base clock speed1.6 GHz1.8 GHz
Boost clock speed2.8 GHz1.8 GHz
Bus typeDMI 1.0OPI
Bus rate2.5 GT/s4 GT/s
Multiplier1222
L1 cache64 KB (per core)64K (per core)
L2 cache256 KB (per core)256K (per core)
L3 cache6 MB (shared)2 MB (shared)
Chip lithography45 nm14 nm
Die size296 mm298.7 mm2
Maximum core temperature100 °C100 °C
Number of transistors774 millionno data
64 bit support++
Windows 11 compatibility--

Compatibility

Information on Core i7-720QM and Celeron 3865U 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)
SocketFCPGA988,PGA988FCBGA1356,FPBGA1356
Power consumption (TDP)45 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core i7-720QM and Celeron 3865U. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.2Intel® SSE4.1, Intel® SSE4.2
AES-NI-+
AVX-+
vPro++
Enhanced SpeedStep (EIST)++
Speed Shiftno data+
My WiFino data+
Turbo Boost Technology1.0-
Hyper-Threading Technology++
Idle States++
Thermal Monitoring++
Flex Memory Accessno data+
Smart Responseno data+
PAE36 Bitno data

Security technologies

Core i7-720QM and Celeron 3865U technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Core i7-720QM and Celeron 3865U are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core i7-720QM and Celeron 3865U. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3-1066, DDR3-1333DDR3, DDR4
Maximum memory size8 GB32 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s34.134 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardNoneIntel HD Graphics 610
Max video memoryno data32 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HDno data+
Graphics max frequencyno data900 MHz

Graphics interfaces

Available interfaces and connections of Core i7-720QM and Celeron 3865U integrated GPUs.

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

Graphics image quality

Maximum display resolutions supported by Core i7-720QM and Celeron 3865U integrated GPUs, including resolutions over different interfaces.

4K resolution supportno data+
Max resolution over HDMI 1.4no data4096x2304@24Hz
Max resolution over eDPno data4096x2304@60Hz
Max resolution over DisplayPortno data4096x2304@60Hz

Graphics API support

APIs supported by Core i7-720QM and Celeron 3865U integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.4

Peripherals

Specifications and connection of peripherals supported by Core i7-720QM and Celeron 3865U.

PCIe version22.0
PCI Express lanes1610

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.

i7-720QM 1.04
+25.3%
Celeron 3865U 0.83

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.

i7-720QM 1657
+25.4%
Celeron 3865U 1321

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.

i7-720QM 301
Celeron 3865U 393
+30.6%

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.

i7-720QM 847
+22.4%
Celeron 3865U 692

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.

i7-720QM 2995
+5%
Celeron 3865U 2853

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.

i7-720QM 8357
+54%
Celeron 3865U 5425

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

i7-720QM 16.64
+137%
Celeron 3865U 39.36

Cinebench 11.5 64-bit multi-core

Cinebench Release 11.5 Multi Core is a variant of Cinebench R11.5 which uses all the processor threads. A maximum of 64 threads is supported in this version.

i7-720QM 3
+75.9%
Celeron 3865U 2

Gaming performance

Pros & cons summary


Performance score 1.04 0.83
Recency 23 September 2009 3 January 2017
Physical cores 4 2
Threads 8 2
Chip lithography 45 nm 14 nm
Power consumption (TDP) 45 Watt 15 Watt

i7-720QM has a 25.3% higher aggregate performance score, and 100% more physical cores and 300% more threads.

Celeron 3865U, on the other hand, has an age advantage of 7 years, a 221.4% more advanced lithography process, and 200% lower power consumption.

The Core i7-720QM is our recommended choice as it beats the Celeron 3865U in performance tests.


Should you still have questions on choice between Core i7-720QM and Celeron 3865U, ask them in Comments section, and we shall answer.

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Intel Core i7-720QM
Core i7-720QM
Intel Celeron 3865U
Celeron 3865U

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Community ratings

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