AMD Phenom II X2 N640

The AMD Phenom II Dual-Core Mobile N640 is a dual core processor for laptops that clocks with 2.9 GHz. Due to the missing level 3 cache, the architecture is similar to the desktop Athlon II X2 (Athlon II X2 245 - Regor).

The performance should be similar to a 2.7 GHz Core 2 Duo (because of the larger Cache of the Core 2 series in this clock range). Compared to current Intel Core-i processors, the Phenom II N640 is only as fast as an entry level Core i3-350M in synthetic benchmarks.

As a difference to the Core 2 series, the Phenom II offers an integrated DDR3 memory controller on the processor die.

Codename	Champlain
Series	AMD Phenom II X2
Series: Phenom II X2 Champlain AMD Phenom II X2 X640 BE 3.2 GHz 2 / 2  AMD Phenom II X2 X620 BE 3.1 GHz 2 / 2  AMD Phenom II X2 N660 3 GHz 2 / 2  AMD Phenom II X2 N640 « 2.9 GHz 2 / 2  AMD Phenom II X2 P650 2.8 GHz 2 / 2  AMD Phenom II X2 N620 2.8 GHz 2 / 2
Clock Rate	2900 MHz
Front Side Bus	3600
Level 1 Cache	256 KB
Level 2 Cache	2 MB
Number of Cores / Threads	2 / 2
Power Consumption (TDP = Thermal Design Power)	35 Watt
Manufacturing Technology	45 nm
Socket	S1
Features	DDR3 memory controller, HyperTransport 3.0, SSE4A, AMD64, Enhanced Virus Protection, Vurtualization
64 Bit	64 Bit support
Architecture	x86
Announcement Date	10/01/2010

Benchmarks

Cinebench R11.5 - Cinebench R11.5 CPU Multi 64 Bit

1.7 Points (2%)

+ 1 benchmarks and specifications- 1 benchmarks and specifications   + Show comparison chart - Hide comparison chart

Model	CPU	GPU	RAM	Value
Toshiba Satellite L675D-S7052	N640	Radeon HD 4250		1.66

Intel Atom N450

0.235 -86%

...

Intel Pentium B950

1.63 -2%

AMD Phenom II X3 N830

1.633 -2%

Intel Pentium B960

1.64 -1%

Intel Pentium N3710

1.64 -1%

Intel Celeron N4000

1.65 -1%

AMD A10-4655M

1.65 -1%

Intel Celeron N6211

1.65 -1%

Intel Core M-5Y51

1.657 0%

Intel Celeron 3865U

1.66 0%

AMD Phenom II X2 N640

1.66

Intel Core M-5Y10c

1.663 0%

Intel Core i5-2537M

1.67 1%

Intel Core M-5Y10

1.684 1%

Intel Pentium N3700

1.697 2%

Intel Celeron N4020

1.71 3%

AMD FX-7500

1.715 3%

AMD A8-4500M

1.717 3%

Intel Pentium N3530

1.726 4%

Intel Pentium B970

1.73 4%

...

AMD Ryzen 9 7945HX3D

61.9 3629%

max:

AMD Ryzen Threadripper PRO 7995WX

76.9 4533%

0%

100%

- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

Other CPUs of the series Phenom II X2

Surrounding CPUs