Intel Core i7 3940XM vs 2960XM

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Intel Core i7 3940XM

Intel Core i7 2960XM

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Reasons to consider the
Intel Core i7 3940XM

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CPUBoss is not aware of any important advantages of the 3940XM Extreme Edition vs the 2960XM Extreme Edition.

Reasons to consider the
Intel Core i7 2960XM

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CPUBoss is not aware of any important advantages of the 2960XM Extreme Edition vs the 3940XM Extreme Edition.

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core i7 3940XM

13,202

Core i7 2960XM

10,210

GeekBench 3 (Single core) Data courtesy Primate Labs

Core i7 3940XM

3,370

Core i7 2960XM

2,780

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core i7 3940XM

2,680,000 MB/s

Core i7 2960XM

2,340 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core i7 3940XM

12,746

Core i7 2960XM

10,276

GeekBench (64-bit) Data courtesy Primate Labs

Core i7 3940XM

15,073

Core i7 2960XM

16,688

GeekBench

Core i7 3940XM

18,941

Core i7 2960XM

16,688

PassMark Data courtesy Passmark

Core i7 3940XM

9,820

Core i7 2960XM

7,166

PassMark (Single Core)

Core i7 3940XM

2,054

Core i7 2960XM

1,655

summary	Core i7 3940XM	2960XM
Clock speed	3 GHz	2.7 GHz
Turbo clock speed	3.9 GHz	3.7 GHz
Cores	Quad core	Quad core
Socket type
rPGA 988B
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
AVX
SSE3
SSE
SSE4.1
SSE4.2
Supplemental SSE3
AES
Supports dynamic frequency scaling	Yes	Yes
power consumption
TDP	55W	55W
Annual home energy cost	13.25 $/year	13.25 $/year
Performance per watt	14.42 pt/W	3.59 pt/W
Typical power consumption	44.69W	44.69W
bus
Architecture	DMI	DMI
Number of links	1	1
Transfer rate	5,000 MT/s	5,000 MT/s

details	Core i7 3940XM	2960XM
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	22 nm	32 nm
Max CPUs	1	1
Clock multiplier	30	27
Operating temperature	Unknown - 105°C	Unknown - 100°C
overclocking
Overclocked clock speed	4.45 GHz	4.13 GHz
Overclocked clock speed (Water)	3 GHz	2.7 GHz
Overclocked clock speed (Air)	4.45 GHz	4.13 GHz
integrated graphics
GPU	GPU	GPU
Label	Intel® HD Graphics 4000	Intel® HD Graphics 3000
Number of displays supported	3	2
GPU clock speed	650 MHz	650 MHz
Turbo clock speed	1,350 MHz	1,300 MHz
memory controller
Memory controller	Built-in	Built-in
Memory type
DDR3-1600
DDR3-1333
DDR3-1066
DDR3
Channels	Dual Channel	Dual Channel
Supports ECC	No	No
Maximum bandwidth	12,800 MB/s	25,600 MB/s
Maximum memory size	32,768 MB	32,768 MB

Intel Core i7 3940XM

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Intel Core i7 2960XM

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Intel Core i7 3940XM vs 2960XM