i5-8400H vs Celeron 847

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Aggregate performance score

Celeron 847
2011
2 cores / 2 threads, 17 Watt
0.28
Core i5-8400H
2018
4 cores / 8 threads, 45 Watt
4.28
+1429%

Core i5-8400H outperforms Celeron 847 by a whopping 1429% based on our aggregate benchmark results.

Primary details

Comparing processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking33131438
Place by popularitynot in top-100not in top-100
Cost-effectiveness evaluation0.012.49
Market segmentLaptopLaptop
SeriesIntel CeleronIntel Core i5
Power efficiency0.704.03
DesignerIntelIntel
ManufacturerIntelIntel
Architecture codenameSandy Bridge (2011−2013)Coffee Lake-H (2018−2019)
Release date19 June 2011 (14 years ago)2 April 2018 (7 years ago)
Launch price (MSRP)$134$250

Cost-effectiveness evaluation

Performance per price, higher is better.

i5-8400H has 24800% better value for money than Celeron 847.

Performance to price scatter graph

Detailed specifications

Celeron 847 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 speed1.1 GHz2.5 GHz
Boost clock speed1.1 GHz4.2 GHz
Bus typeDMI 2.0DMI 3.0
Bus rate4 × 5 GT/s4 × 8 GT/s
Multiplier1125
L1 cache64K (per core)64K (per core)
L2 cache256K (per core)256K (per core)
L3 cache2 MB (shared)12 MB (shared)
Chip lithography32 nm14 nm
Die size131 mm2126 mm2
Maximum core temperature100 °C100 °C
Maximum case temperature (TCase)no data72 °C
Number of transistors504 millionno data
64 bit support++
Windows 11 compatibility-+

Compatibility

Information on Celeron 847 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 configuration1 (Uniprocessor)1 (Uniprocessor)
SocketFCBGA1023FCBGA1440
Power consumption (TDP)17 Watt45 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Celeron 847 and Core i5-8400H. You'll probably need this information if you require some particular technology.

Instruction set extensionsIntel® SSE4.1, Intel® SSE4.2Intel® SSE4.1, Intel® SSE4.2, Intel® AVX2
AES-NI-+
FMA+-
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 Access++
SIPP-+
Demand Based Switching-no data
FDI+no data
Fast Memory Access+no data

Security technologies

Celeron 847 and Core i5-8400H technologies aimed at improving security, for example, by protecting against hacks.

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

Virtualization technologies

Virtual machine speed-up technologies supported by Celeron 847 and Core i5-8400H are enumerated here.

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

Memory specs

Types, maximum amount and channel quantity of RAM supported by Celeron 847 and Core i5-8400H. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR4
Maximum memory size16 GB64 GB
Max memory channels22
Maximum memory bandwidth21.335 GB/s42.671 GB/s

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardIntel HD Graphics (Sandy Bridge) (350 - 800 MHz)Intel UHD Graphics 630
Max video memoryno data64 GB
Quick Sync Video-+
Clear Videono data+
Clear Video HD-+
Graphics max frequency800 MHz1.1 GHz
InTru 3Dno data+

Graphics interfaces

Available interfaces and connections of Celeron 847 and Core i5-8400H integrated GPUs.

Number of displays supported23
eDP++
DisplayPort++
HDMI++
DVIno data+
SDVO+no data
CRT+no data

Graphics image quality

Maximum display resolutions supported by Celeron 847 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 Celeron 847 and Core i5-8400H integrated GPUs, sometimes API versions are included.

DirectXno data12
OpenGLno data4.5

Peripherals

Specifications and connection of peripherals supported by Celeron 847 and Core i5-8400H.

PCIe version2.03.0
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.

Celeron 847 0.28
i5-8400H 4.28
+1429%

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. Other than that, Passmark measures multi-core performance.

Celeron 847 502
i5-8400H 7548
+1404%

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.

Celeron 847 158
i5-8400H 1283
+712%

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.

Celeron 847 267
i5-8400H 3658
+1270%

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.

Celeron 847 1270
i5-8400H 6659
+425%

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.

Celeron 847 2408
i5-8400H 21711
+802%

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.

Celeron 847 80.4
i5-8400H 7.2
+1017%

TrueCrypt AES

TrueCrypt is a discontinued piece of software that was widely used for on-the-fly-encryption of disk partitions, now superseded by VeraCrypt. It contains several embedded performance tests, one of them being TrueCrypt AES, which measures data encryption speed using AES algorithm. Result is encryption speed in gigabytes per second.

Celeron 847 0.1
i5-8400H 4.6
+5650%

WinRAR 4.0

WinRAR 4.0 is an outdated version of a popular file archiver. It contains an internal speed test, using 'Best' setting of RAR compression on large chunks of randomly generated data. Its results are measured in kilobytes per second.

Celeron 847 824
i5-8400H 5391
+554%

Gaming performance

Pros & cons summary


Performance score 0.28 4.28
Integrated graphics card 0.33 2.84
Recency 19 June 2011 2 April 2018
Physical cores 2 4
Threads 2 8
Chip lithography 32 nm 14 nm
Power consumption (TDP) 17 Watt 45 Watt

Celeron 847 has 164.7% lower power consumption.

i5-8400H, on the other hand, has a 1428.6% higher aggregate performance score, 760.6% faster integrated GPU, an age advantage of 6 years, 100% more physical cores and 300% more threads, and a 128.6% more advanced lithography process.

The Intel Core i5-8400H is our recommended choice as it beats the Intel Celeron 847 in performance tests.

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Intel Celeron 847
Celeron 847
Intel Core i5-8400H
Core i5-8400H

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