CPUBoss Review Our evaluation of W3670 vs 970 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

No winner declared

Too close to call

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VS

Differences What are the advantages of each

Front view of Intel Xeon W3670

Reasons to consider the
Intel Xeon W3670

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Much better geekbench 3 AES single core score 1,670,000 MB/s vs 1,630,000 MB/s Almost the same
Much lower typical power consumption 105.63W vs 144.07W More than 25% lower typical power consumption
Supports trusted computing Yes vs No Somewhat common; Allows for safer, more reliable computing
Much lower annual home energy cost 31.32 $/year vs 50.09 $/year More than 35% lower annual home energy cost
Better performance per watt 5.98 pt/W vs 4.13 pt/W Around 45% better performance per watt
Significantly lower annual commercial energy cost 113.88 $/year vs 144.8 $/year More than 20% lower annual commercial energy cost
Better overclocked clock speed (Water) 3.84 GHz vs 3.56 GHz Around 10% better overclocked clock speed (Water)
Front view of Intel Core i7 970

Reasons to consider the
Intel Core i7 970

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Better geekbench 3 Multi-Core score 13,895 vs 13,282 Around 5% better geekbench 3 Multi-Core score

Benchmarks Real world tests of Xeon W3670 vs Core i7 970

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Xeon W3670
13,282
Core i7 970
13,895

GeekBench 3 (Single core) Data courtesy Primate Labs

Xeon W3670
2,407
Core i7 970
2,376

GeekBench 3 (AES single core) Data courtesy Primate Labs

Xeon W3670
1,670,000 MB/s
Core i7 970
1,630,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Xeon W3670
13,313
Core i7 970
13,330

GeekBench (64-bit) Data courtesy Primate Labs

Xeon W3670
14,709
Core i7 970
14,174

GeekBench

Xeon W3670
14,709
Core i7 970
14,503

PassMark Data courtesy Passmark

Xeon W3670
8,289
Core i7 970
8,447

PassMark (Single Core)

Xeon W3670
1,399
Core i7 970
1,391

Specifications Full list of technical specs

summary

Xeon W3670  vs
Core i7 970 
Clock speed 3.2 GHz 3.2 GHz
Turbo clock speed 3.46 GHz 3.46 GHz
Cores Hexa core Hexa core
Socket type
LGA 1366

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
AES
Supports dynamic frequency scaling Yes Yes

power consumption

TDP 130W 130W
Annual home energy cost 31.32 $/year 50.09 $/year
Annual commercial energy cost 113.88 $/year 144.8 $/year
Performance per watt 5.98 pt/W 4.13 pt/W
Typical power consumption 105.63W 144.07W

memory controller

Memory controller Built-in Built-in
Memory type
DDR3-1066
DDR3-800
DDR3
Channels Triple Channel Triple Channel
Supports ECC Yes No
Maximum bandwidth 25,599.99 MB/s 25,599.99 MB/s
Maximum memory size 24,576 MB 24,576 MB

details

Xeon W3670  vs
Core i7 970 
Architecture x86-64 x86-64
Threads 12 12
L2 cache 2 MB 2 MB
L2 cache per core 0.33 MB/core 0.33 MB/core
L3 cache 12 MB 12 MB
L3 cache per core 2 MB/core 2 MB/core
Manufacture process 32 nm 32 nm
Max CPUs 1 1
Clock multiplier 24 24
Voltage range 0.8 - 1.38V 0.8 - 1.38V
Operating temperature Unknown - 67.9°C Unknown - 67.9°C

overclocking

Overclocked clock speed 4.51 GHz 4.44 GHz
Overclocked clock speed (Water) 3.84 GHz 3.56 GHz
Overclocked clock speed (Air) 4.51 GHz 4.44 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

bus

Architecture QPI QPI
Number of links 1 1
Data rate 19,200 MB/s 19,200 MB/s
Transfer rate 4,800 MT/s 4,800 MT/s
Clock speed 2,400 MHz 2,400 MHz
Intel Xeon W3670
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Intel Core i7 970
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