CPUBoss Review Our evaluation of 870 vs 3740QM 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 Core i7 3740QM 

CPUBoss recommends the Intel Core i7 3740QM  based on its performance, single-core performance, power consumption and value.

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VS
Front view of Intel Core i7 3740QM

Intel Core i7 3740QM

CPUBoss Winner

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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Higher clock speed 2.93 GHz vs 2.7 GHz Around 10% higher clock speed
Slightly more l3 cache 8 MB vs 6 MB Around 35% more l3 cache; more data can be stored in the l3 cache for quick access later
More l3 cache per core 2 MB/core vs 1.5 MB/core Around 35% more l3 cache per core
Better overclocked clock speed (Air) 4.1 GHz vs 3.71 GHz More than 10% better overclocked clock speed (Air)
Much better overclocked clock speed (Water) 4.28 GHz vs 2.7 GHz Around 60% better overclocked clock speed (Water)
Front view of Intel Core i7 3740QM

Reasons to consider the
Intel Core i7 3740QM

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Much newer manufacturing process 22 nm vs 45 nm A newer manufacturing process allows for a more powerful, yet cooler running processor
Much lower typical power consumption 36.56W vs 121W 3.3x lower typical power consumption
Has a built-in GPU Yes vs No Somewhat common; A separate graphics adapter is not required
Much better performance per watt 12.24 pt/W vs 1.11 pt/W Around 11x better performance per watt
Much better performance per dollar 1.41 pt/$ vs 0.66 pt/$ Around 2.2x better performance per dollar
Much higher Maximum operating temperature 105 °C vs 72.7 °C Around 45% higher Maximum operating temperature
Better PassMark (Single core) score 1,872 vs 1,300 Around 45% better PassMark (Single core) score
Much lower annual home energy cost 10.84 $/year vs 42.57 $/year 3.9x lower annual home energy cost
Better PassMark score 8,332 vs 5,398 Around 55% better PassMark score
Newer Sep, 2012 vs Jul, 2009 Release date over 3 years later
Much lower annual commercial energy cost 39.42 $/year vs 120.89 $/year 3.1x lower annual commercial energy cost

Benchmarks Real world tests of Core i7 870 vs 3740QM

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
Core i7 3740QM
2,470,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

GeekBench (64-bit) Data courtesy Primate Labs

GeekBench

Core i7 870
10,143

PassMark Data courtesy Passmark

PassMark (Single Core)

Specifications Full list of technical specs

summary

Core i7 870  vs
3740QM 
Clock speed 2.93 GHz 2.7 GHz
Turbo clock speed 3.6 GHz 3.7 GHz
Cores Quad core Quad core
Socket type
LGA 1156
rPGA 988B
Is unlocked No No

features

Has a NX bit Yes Yes
Supports trusted computing Yes Yes
Has virtualization support Yes Yes
Instruction set extensions
SSE2
MMX
SSE4
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 95W 45W
Annual home energy cost 42.57 $/year 10.84 $/year
Annual commercial energy cost 120.89 $/year 39.42 $/year
Performance per watt 1.11 pt/W 12.24 pt/W
Typical power consumption 121W 36.56W

bus

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

details

Core i7 870  vs
3740QM 
Architecture x86-64 x86-64
Threads 8 8
L2 cache 1 MB 1 MB
L2 cache per core 0.25 MB/core 0.25 MB/core
L3 cache 8 MB 6 MB
L3 cache per core 2 MB/core 1.5 MB/core
Manufacture process 45 nm 22 nm
Max CPUs 1 1
Clock multiplier 22 27
Operating temperature Unknown - 72.7°C Unknown - 105°C

overclocking

Overclocked clock speed 4.1 GHz 3.71 GHz
Overclocked clock speed (Water) 4.28 GHz 2.7 GHz
Overclocked clock speed (Air) 4.1 GHz 3.71 GHz

integrated graphics

GPU None GPU
Label N/A Intel® HD Graphics 4000
Number of displays supported N/A 3
GPU clock speed N/A 650 MHz
Turbo clock speed N/A 1,300 MHz

memory controller

Memory controller Built-in Built-in
Memory type
DDR3L-1600
DDR3-1333
DDR3-1066
DDR3L-1333
DDR3RS-1600
DDR3RS-1333
DDR3
Channels Dual Channel Dual Channel
Supports ECC No No
Maximum bandwidth 21,333.32 MB/s 25,600 MB/s
Maximum memory size 16,384 MB 32,768 MB
Intel Core i7 870
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Intel Core i7 3740QM
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