AMD Phenom II N640 

Released October, 2010
  • 2.9 GHz
  • Dual core
1.4 Out of 10

CPUBoss Review Our evaluation of the AMD Phenom II N640 among laptop CPUs (over 15W)

Performance

Benchmark performance using all cores

Phenom II N640
5.6
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Phenom II N640
5.9
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Phenom II N640
0.0
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Phenom II N640
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Phenom II N640
3.9
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Phenom II N640
n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

1.4

CPUBoss Score

Combination of all six facets

Phenom II N640
1.4

Benchmarks Real world tests of the AMD Phenom II N640

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Phenom II N640
2,516
Core i5 540M
3,870

GeekBench 3 (Single core) Data courtesy Primate Labs

Phenom II N640
1,380
Core i5 540M
1,927

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II N640
111,800 MB/s
Core i5 540M
1,400,000 MB/s
Core i3 2330M
108,300 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Phenom II N640
2,197
Core i5 540M
3,761

GeekBench

Phenom II N640
3,855
Core i5 540M
5,249

PassMark Data courtesy Passmark

Phenom II N640
1,679
Core i5 540M
2,425

PassMark (Single Core)

Phenom II N640
891
Core i5 540M
1,080

Specifications Full list of technical specs

summary

Clock speed 2.9 GHz
Turbo clock speed 0 GHz
Cores Dual core
Socket type S1
Is unlocked No

features

Has a NX bit Yes
Has virtualization support Yes
Instruction set extensions
  1. SSE4a
  2. 3DNow!
  3. SSE2
  4. SSE
  5. MMX
  6. SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 35W
Annual home energy cost 8.43 $/year
Performance per watt 5.32 pt/W
Typical power consumption 28.44W

details

Architecture x86-64
Threads 2 threads
L2 cache 2 MB
L2 cache per core 1 MB/core
L3 cache 0 MB
L3 cache per core 0 MB/core
Manufacture process 45 nm
Max CPUs 1
Operating temperature Unknown - 100°C

overclocking

Overclocked clock speed 2.9 GHz
Overclocked clock speed (Water) 2.9 GHz
Overclocked clock speed (Air) 2.9 GHz

integrated graphics

GPU None

bus

Clock speed 1,800 MHz
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