Intel Celeron N2840 vs Intel Celeron 847

Comparative analysis of Intel Celeron N2840 and Intel Celeron 847 processors for all known characteristics in the following categories: Essentials, Performance, Memory, Graphics, Graphics interfaces, Compatibility, Peripherals, Security & Reliability, Advanced Technologies, Virtualization. Benchmark processor performance analysis: PassMark - Single thread mark, PassMark - CPU mark, Geekbench 4 - Single Core, Geekbench 4 - Multi-Core, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s), CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s), GFXBench 4.0 - T-Rex (Frames), GFXBench 4.0 - T-Rex (Fps).

Intel Celeron N2840

Intel Celeron 847

Differences

Reasons to consider the Intel Celeron N2840

CPU is newer: launch date 2 year(s) 11 month(s) later
Around 135% higher clock speed: 2.58 GHz vs 1.1 GHz
A newer manufacturing process allows for a more powerful, yet cooler running processor: 22 nm vs 32 nm
2x more L2 cache, more data can be stored in the L2 cache for quick access later
2.1x lower typical power consumption: 7.5 Watt vs 17 Watt
Around 41% better performance in PassMark - Single thread mark: 670 vs 475
Around 20% better performance in PassMark - CPU mark: 586 vs 487
Around 7% better performance in Geekbench 4 - Single Core: 207 vs 194
Around 9% better performance in Geekbench 4 - Multi-Core: 370 vs 339
4.9x better performance in CompuBench 1.5 Desktop - Video Composition (Frames/s): 1.793 vs 0.364
Around 31% better performance in CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s): 0.939 vs 0.718

Specifications (specs)
Launch date	22 May 2014 vs 19 June 2011
Maximum frequency	2.58 GHz vs 1.1 GHz
Manufacturing process technology	22 nm vs 32 nm
L2 cache	1 MB vs 512 KB
Thermal Design Power (TDP)	7.5 Watt vs 17 Watt
Benchmarks
PassMark - Single thread mark	670 vs 475
PassMark - CPU mark	586 vs 487
Geekbench 4 - Single Core	207 vs 194
Geekbench 4 - Multi-Core	370 vs 339
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.793 vs 0.364
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	0.939 vs 0.718

Reasons to consider the Intel Celeron 847

Around 14% more L1 cache; more data can be stored in the L1 cache for quick access later
2x more maximum memory size: 16 GB vs 8 GB
Around 53% better performance in CompuBench 1.5 Desktop - Face Detection (mPixels/s): 1.701 vs 1.114
Around 73% better performance in CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s): 10.694 vs 6.194
Around 19% better performance in CompuBench 1.5 Desktop - T-Rex (Frames/s): 0.088 vs 0.074

Specifications (specs)
L1 cache	128 KB vs 112 KB
Maximum memory size	16 GB vs 8 GB
Benchmarks
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.701 vs 1.114
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	10.694 vs 6.194
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.088 vs 0.074

Compare benchmarks

CPU 1: Intel Celeron N2840
CPU 2: Intel Celeron 847

PassMark - Single thread mark

CPU 1

CPU 2

670

475

PassMark - CPU mark

CPU 1

CPU 2

586

487

Geekbench 4 - Single Core

CPU 1

CPU 2

207

194

Geekbench 4 - Multi-Core

CPU 1

CPU 2

370

339

CompuBench 1.5 Desktop - Face Detection (mPixels/s)

CPU 1

CPU 2

1.114

1.701

CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)

CPU 1

CPU 2

6.194

10.694

CompuBench 1.5 Desktop - T-Rex (Frames/s)

CPU 1

CPU 2

0.074

0.088

CompuBench 1.5 Desktop - Video Composition (Frames/s)

CPU 1

CPU 2

1.793

0.364

CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)

CPU 1

CPU 2

0.939

0.718

Name	Intel Celeron N2840	Intel Celeron 847
PassMark - Single thread mark	670	475
PassMark - CPU mark	586	487
Geekbench 4 - Single Core	207	194
Geekbench 4 - Multi-Core	370	339
CompuBench 1.5 Desktop - Face Detection (mPixels/s)	1.114	1.701
CompuBench 1.5 Desktop - Ocean Surface Simulation (Frames/s)	6.194	10.694
CompuBench 1.5 Desktop - T-Rex (Frames/s)	0.074	0.088
CompuBench 1.5 Desktop - Video Composition (Frames/s)	1.793	0.364
CompuBench 1.5 Desktop - Bitcoin Mining (mHash/s)	0.939	0.718
GFXBench 4.0 - T-Rex (Frames)	1383
GFXBench 4.0 - T-Rex (Fps)	1383

Compare specifications (specs)

	Intel Celeron N2840	Intel Celeron 847
Essentials
Architecture codename	Bay Trail	Sandy Bridge
Launch date	22 May 2014	19 June 2011
Place in performance rating	3121	3290
Processor Number	N2840	847
Series	Intel® Celeron® Processor N Series	Legacy Intel® Celeron® Processor
Status	Launched	Launched
Vertical segment	Mobile	Mobile
Launch price (MSRP)		$315
Price now		$315
Value for money (0-100)		0.88
Performance
64 bit support
Base frequency	2.16 GHz	1.10 GHz
L1 cache	112 KB	128 KB
L2 cache	1 MB	512 KB
Manufacturing process technology	22 nm	32 nm
Maximum core temperature	100°C	100
Maximum frequency	2.58 GHz	1.1 GHz
Number of cores	2	2
Number of threads	2	2
Bus Speed		5 GT/s DMI
Die size		131 mm
L3 cache		2048 KB
Transistor count		504 million
Memory
Max memory channels	2	2
Maximum memory bandwidth	21.32 GB/s	21.3 GB/s
Maximum memory size	8 GB	16 GB
Supported memory types	DDR3L 1333	DDR3 1066/1333
Graphics
Graphics base frequency	311 MHz	350 MHz
Graphics max dynamic frequency	792 MHz	800 MHz
Graphics max frequency	792 MHz	800 MHz
Intel® Clear Video HD technology
Intel® InTru™ 3D technology
Intel® Quick Sync Video
Processor graphics	Intel HD Graphics
Intel® Flexible Display Interface (Intel® FDI)
Graphics interfaces
Number of displays supported	2	2
Wireless Display (WiDi) support
CRT
DisplayPort
eDP
HDMI
SDVO
Compatibility
Low Halogen Options Available
Max number of CPUs in a configuration	1	1
Package Size	25mm x 27mm	31.0mm x 24.0mm (BGA1023)
Scenario Design Power (SDP)	4.5 W
Sockets supported	FCBGA1170	FCBGA1023
Thermal Design Power (TDP)	7.5 Watt	17 Watt
Peripherals
Max number of PCIe lanes	4	16
Number of USB ports	5
PCI Express revision	2.0	2.0
PCIe configurations	1x4	1x16, 2x8, 1x8 2x4
Total number of SATA ports	2
USB revision	3.0 and 2.0
Security & Reliability
Anti-Theft technology
Execute Disable Bit (EDB)
Intel® Secure Key technology
Intel® Trusted Execution technology (TXT)
Advanced Technologies
Enhanced Intel SpeedStep® technology
Idle States
Intel 64
Intel® AES New Instructions
Intel® Hyper-Threading technology
Intel® Turbo Boost technology
Intel® vPro™ Platform Eligibility
Smart Connect
Flexible Display interface (FDI)
Instruction set extensions		Intel® SSE4.1, Intel® SSE4.2
Intel® Demand Based Switching
Intel® Fast Memory Access
Intel® Flex Memory Access
Thermal Monitoring
Virtualization
Intel® Virtualization Technology (VT-x)
Intel® Virtualization Technology for Directed I/O (VT-d)
Intel® VT-x with Extended Page Tables (EPT)