Intel Core i7 940XM vs 920XM

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Intel Core i7 940XM

Intel Core i7 920XM

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Reasons to consider the
Intel Core i7 940XM

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CPUBoss is not aware of any important advantages of the 940XM Extreme Edition vs the 920XM Extreme Edition.

Reasons to consider the
Intel Core i7 920XM

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CPUBoss is not aware of any important advantages of the 920XM Extreme Edition vs the 940XM Extreme Edition.

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 940XM

5,802

Core i7 920XM

7,749

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 940XM

2,099

Core i7 920XM

2,195

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 940XM

139,300 MB/s

Core i7 920XM

148,800 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 940XM

5,523

Core i7 920XM

7,122

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 940XM

9,118

Core i7 920XM

5,633

GeekBench

Core i7 940XM

9,118

Core i7 920XM

7,658

3D Mark 06 (CPU)

Core i7 940XM

4,064

Core i7 920XM

3,797

summary	Core i7 940XM	920XM
Clock speed	2.13 GHz	2 GHz
Turbo clock speed	3.33 GHz	3.2 GHz
Cores	Quad core	Quad core
Socket type
rPGA 988A
Is unlocked	Yes	Yes
features
Has a NX bit	Yes	Yes
Supports trusted computing	Yes	Yes
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	55W	55W
Annual home energy cost	13.25 $/year	13.25 $/year
Performance per watt	3.39 pt/W	3.33 pt/W
Typical power consumption	44.69W	44.69W
bus
Architecture	DMI	DMI
Number of links	1	1
Transfer rate	2,500 MT/s	2,500 MT/s

details	Core i7 940XM	920XM
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	8 MB
L3 cache per core	2 MB/core	2 MB/core
Manufacture process	45 nm	45 nm
Transistor count	774,000,000	774,000,000
Max CPUs	1	1
Clock multiplier	16	15
overclocking
Overclocked clock speed	3.54 GHz	3.44 GHz
Overclocked clock speed (Water)	2.13 GHz	2 GHz
Overclocked clock speed (Air)	3.54 GHz	3.44 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
memory controller
Memory controller	Built-in	Built-in
Memory type
DDR3-1333
DDR3-1066
DDR3
Channels	Dual Channel	Dual Channel
Supports ECC	No	No
Maximum bandwidth	21,333.32 MB/s	21,333.32 MB/s
Maximum memory size	8,192 MB	8,192 MB

Intel Core i7 940XM

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Intel Core i7 920XM

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Intel Core i7 940XM vs 920XM