CPUBoss Review Our evaluation of J2900 vs 2957U among all CPUs

Performance

Benchmark performance using all cores

PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

7.9

CPUBoss Score

Combination of all six facets

Winner
Intel Pentium J2900 

CPUBoss recommends the Intel Pentium J2900  based on its performance and power consumption.

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VS

Intel Pentium J2900

CPUBoss Winner
Front view of Intel Pentium J2900

Differences What are the advantages of each

Front view of Intel Pentium J2900

Reasons to consider the
Intel Pentium J2900

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Much more l2 cache 2 MB vs 0.5 MB 4x more l2 cache; more data can be stored in the l2 cache for quick access later
Significantly higher clock speed 2.41 GHz vs 1.4 GHz More than 70% higher clock speed
Much higher GPU clock speed 688 MHz vs 200 MHz Around 3.5x higher GPU clock speed
Supports dynamic frequency scaling Yes vs No Somewhat common; Allows for maximum performance when needed, while conserving power and minimizing heat production when not needed
Significantly better overclocked clock speed (Air) 2.67 GHz vs 1.41 GHz Around 90% better overclocked clock speed (Air)
More cores 4 vs 2 Twice as many cores; run more applications at once
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
More threads 4 vs 2 Twice as many threads
Slightly lower typical power consumption 8.13W vs 12.19W Around 35% lower typical power consumption
Better performance per watt 6.24 pt/W vs 5.11 pt/W More than 20% better performance per watt
Significantly better overclocked clock speed (Water) 2.66 GHz vs 1.4 GHz More than 90% better overclocked clock speed (Water)
Slightly lower annual home energy cost 2.41 $/year vs 3.61 $/year Around 35% lower annual home energy cost
Slightly lower annual commercial energy cost 8.76 $/year vs 13.14 $/year Around 35% lower annual commercial energy cost
Front view of Intel Celeron 2957U

Reasons to consider the
Intel Celeron 2957U

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Much better CompuBench 1.5 face detection score 6.97 mPixels/s vs 1.18 mPixels/s Around 6x better CompuBench 1.5 face detection score
Much better geekbench 3 AES single core score 80,200 MB/s vs 62,700 MB/s Around 30% better geekbench 3 AES single core score
Better turbo clock speed 1,000 MHz vs 896 MHz More than 10% better turbo clock speed
More number of displays supported 3 vs 2 1 more number of displays supported
Newer Jan, 2014 vs Oct, 2013 Release date 3 months later

Benchmarks Real world tests of Pentium J2900 vs Celeron 2957U

CompuBench 1.5 (Bitcoin mining) Data courtesy CompuBench

Pentium J2900
2.03 mHash/s
Celeron 2957U
5.78 mHash/s

CompuBench 1.5 (Face detection)

Pentium J2900
1.18 mPixels/s
Celeron 2957U
6.97 mPixels/s

CompuBench 1.5 (T-Rex) Data courtesy CompuBench

Pentium J2900
0.14 fps
Celeron 2957U
-1 fps

GeekBench 3 (Multi-core) Data courtesy Primate Labs

GeekBench 3 (Single core) Data courtesy Primate Labs

GeekBench 3 (AES single core) Data courtesy Primate Labs

Pentium J2900
62,700 MB/s
Celeron 2957U
80,200 MB/s

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Pentium J2900  vs
Celeron 2957U 
Clock speed 2.41 GHz 1.4 GHz
Cores Quad core Dual core

features

Has a NX bit Yes Yes
Has virtualization support Yes Yes
Supports dynamic frequency scaling Yes No

integrated graphics

GPU GPU GPU
Label Intel® HD Graphics HD
Number of displays supported 2 3
GPU clock speed 688 MHz 200 MHz
Turbo clock speed 896 MHz 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1600
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 12,800 MB/s 25,600 MB/s
Maximum memory size 8,192 MB 16,384 MB

details

Pentium J2900  vs
Celeron 2957U 
Architecture x86-64 x86-64
Threads 4 2
L2 cache 2 MB 0.5 MB
L2 cache per core 0.5 MB/core 0.25 MB/core
Manufacture process 22 nm 22 nm
Max CPUs 1 1

overclocking

Overclocked clock speed 2.67 GHz 1.41 GHz
Overclocked clock speed (Water) 2.66 GHz 1.4 GHz
Overclocked clock speed (Air) 2.67 GHz 1.41 GHz

power consumption

TDP 10W 15W
Annual home energy cost 2.41 $/year 3.61 $/year
Annual commercial energy cost 8.76 $/year 13.14 $/year
Performance per watt 6.24 pt/W 5.11 pt/W
Typical power consumption 8.13W 12.19W

bus

Architecture FSB DMI 2.0
Number of links 1 1
Intel Pentium J2900
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Intel Celeron 2957U
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