CPUBoss Review Our evaluation of 970 vs 870 among desktop CPUs (over 75W)

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

Fire Strike

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?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5.2

CPUBoss Score

Combination of all six facets

Winner
Intel Core i7 970 

CPUBoss recommends the Intel Core i7 970  based on its .

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VS

Differences What are the advantages of each

Front view of Intel Core i7 970

Reasons to consider the
Intel Core i7 970

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CPUBoss is not aware of any important advantages of the 970 vs the 870.

Front view of Intel Core i7 870

Reasons to consider the
Intel Core i7 870

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Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing

Benchmarks Real world tests of Core i7 970 vs 870

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 970
13,895
Core i7 870
8,046

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 970
2,376
Core i7 870
2,243

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 970
1,630,000 MB/s
Core i7 870
142,100 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 970
13,330
Core i7 870
7,874

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 970
14,174
Core i7 870
8,534

GeekBench

Core i7 970
14,503
Core i7 870
10,143

PassMark Data courtesy Passmark

Core i7 970
8,447
Core i7 870
5,398

PassMark (Single Core)

Core i7 970
1,391
Core i7 870
1,300

Reviews Word on the street

Specifications Full list of technical specs

summary

Core i7 970  vs
870 
Clock speed 3.2 GHz 2.93 GHz
Turbo clock speed 3.46 GHz 3.6 GHz
Cores Hexa core Quad core
Socket type
LGA 1366
LGA 1156
Is unlocked No No

features

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

power consumption

TDP 130W 95W
Annual home energy cost 50.09 $/year 42.57 $/year
Annual commercial energy cost 144.8 $/year 120.89 $/year
Performance per watt 4.13 pt/W 1.11 pt/W
Idle power consumption 80.4W 70W
Peak power consumption 165.3W 138W
Typical power consumption 144.07W 121W

bus

Architecture QPI DMI
Number of links 1 1
Transfer rate 4,800 MT/s 2,500 MT/s

details

Core i7 970  vs
870 
Architecture x86-64 x86-64
Threads 12 8
L2 cache 2 MB 1 MB
L2 cache per core 0.33 MB/core 0.25 MB/core
L3 cache 12 MB 8 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 45 nm
Transistor count 1,170,000,000 774,000,000
Max CPUs 1 1
Clock multiplier 24 22
Voltage range 0.8 - 1.38V 0.65 - 1.4V
Operating temperature Unknown - 67.9°C Unknown - 72.7°C

overclocking

Overclock popularity 70 37
Overclocked clock speed 4.44 GHz 4.1 GHz
Overclocked clock speed (Water) 3.56 GHz 4.28 GHz
Overclocked clock speed (Air) 4.44 GHz 4.1 GHz

integrated graphics

GPU None None
Label N/A N/A
Latest DirectX N/A N/A
Number of displays supported N/A N/A
GPU clock speed N/A N/A
Turbo clock speed N/A N/A
3DMark06 N/A N/A

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Dual Channel
Supports ECC No No
Maximum bandwidth 25,599.99 MB/s 21,333.32 MB/s
Maximum memory size 24,576 MB 16,384 MB
Intel Core i7 970
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Intel Core i7 870
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