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Differences What are the advantages of each

Front view of Intel Core i7 870

Reasons to consider the
Intel Core i7 870

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Much higher clock speed 2.93 GHz vs 1.6 GHz Around 85% higher clock speed
Much better geekbench 3 Multi-Core score 8,046 vs 2,097 More than 3.8x better geekbench 3 Multi-Core score
More l3 cache 8 MB vs 2 MB 4x more l3 cache; more data can be stored in the l3 cache for quick access later
Much better overclocked clock speed (Air) 4.1 GHz vs 1.6 GHz More than 2.5x better overclocked clock speed (Air)
Significantly better geekbench 3 single core score 2,243 vs 1,196 Around 90% better geekbench 3 single core score
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Significantly more l3 cache per core 2 MB/core vs 1 MB/core 2x more l3 cache per core
More threads 8 vs 2 6 more threads
More cores 4 vs 2 Twice as many cores; run more applications at once
Much better overclocked clock speed (Water) 4.28 GHz vs 1.6 GHz Around 2.8x better overclocked clock speed (Water)
Front view of Intel Celeron B810E

Reasons to consider the
Intel Celeron B810E

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Much lower typical power consumption 28.44W vs 121W 4.3x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much newer manufacturing process 32 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much higher Maximum operating temperature 100 °C vs 72.7 °C Around 40% higher Maximum operating temperature
Much lower annual home energy cost 8.43 $/year vs 42.57 $/year 5x lower annual home energy cost
Much lower annual commercial energy cost 30.66 $/year vs 120.89 $/year 3.9x lower annual commercial energy cost
More l2 cache per core 0.5 MB/core vs 0.25 MB/core 2x more l2 cache per core
Newer Jun, 2011 vs Jul, 2009 Release date over 1 years later

Benchmarks Real world tests of Core i7 870 vs Celeron B810E

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

Core i7 870
142,100 MB/s
Celeron B810E
78.4 MB/s

Specifications Full list of technical specs

summary

Core i7 870  vs
Celeron B810E 
Clock speed 2.93 GHz 1.6 GHz
Cores Quad core Dual core
Socket type
LGA 1156
BGA 1023

features

Has a NX bit Yes Yes
Supports trusted computing Yes No
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 35W
Annual home energy cost 42.57 $/year 8.43 $/year
Annual commercial energy cost 120.89 $/year 30.66 $/year
Performance per watt 1.11 pt/W 1.42 pt/W
Typical power consumption 121W 28.44W

bus

Architecture DMI DMI
Number of links 1 1
Transfer rate 2,500 MT/s 5,000 MT/s

details

Core i7 870  vs
Celeron B810E 
Architecture x86-64 x86-64
Threads 8 2
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.5 MB/core
L3 cache 8 MB 2 MB
L3 cache per core 2 MB/core 1 MB/core
Manufacture process 45 nm 32 nm
Max CPUs 1 1
Clock multiplier 22 16
Operating temperature Unknown - 72.7°C Unknown - 100°C

overclocking

Overclocked clock speed 4.1 GHz 1.6 GHz
Overclocked clock speed (Water) 4.28 GHz 1.6 GHz
Overclocked clock speed (Air) 4.1 GHz 1.6 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics
Number of displays supported N/A 2
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,000 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels Dual Channel Dual Channel
Supports ECC No Yes
Maximum bandwidth 21,333.32 MB/s 21,333.32 MB/s
Maximum memory size 16,384 MB 16,998.4 MB
Intel Core i7 870
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Intel Celeron B810E
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