Intel Atom Z540 

Released April, 2008
  • 1.86 GHz
  • Single core
1.7 Out of 10

CPUBoss Review Our evaluation of the Intel Atom Z540 among laptop CPUs (up to 15W)

Performance

Benchmark performance using all cores

Atom Z540
5.0
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Atom Z540
5.0
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Atom Z540
0.0
Atom E3845
n.d.
Sky Diver and Cloud Gate

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Atom Z540
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Atom Z540
5.6
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Atom Z540
n.d.
Atom E3845
n.d.
Sky Diver, Cloud Gate, CompuBench 1.5 Bitcoin mining and 11 more

1.7

CPUBoss Score

Combination of all six facets

Atom Z540
1.7

Benchmarks Real world tests of the Intel Atom Z540

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Atom Z540
581
Atom E3845
2,624
Atom Z3735F
2,148

GeekBench 3 (Single core) Data courtesy Primate Labs

Atom Z540
417

GeekBench 3 (AES single core) Data courtesy Primate Labs

Atom Z540
29.5 MB/s
Atom E3845
317,450 MB/s
Atom Z3735F
279,850 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Atom Z540
581
Atom Z3735F
2,095
Atom E3845
n.d.

GeekBench

Atom Z540
826
Atom Z3735F
2,095
Atom E3845
n.d.

3D Mark 06 (CPU)

Atom Z540
369
Atom Z3735F
1,164
Atom E3845
n.d.

PassMark Data courtesy Passmark

Atom Z540
348
Atom E3845
1,363

Specifications Full list of technical specs

summary

Clock speed 1.86 GHz
Cores Single core
Socket type 441

features

Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. MMX
  2. SSE
  3. SSE2
  4. SSE3
  5. Supplemental SSE3
Supports dynamic frequency scaling Yes

power consumption

TDP 2.4W
Annual home energy cost 0.58 $/year
Performance per watt 8.09 pt/W
Typical power consumption 1.95W

bus

Architecture FSB
Clock speed 533 MHz

details

Architecture x86
Threads 2 threads
L2 cache 0.5 MB
L2 cache per core 0.5 MB/core
Manufacture process 45 nm
Transistor count 47,000,000
Max CPUs 1
Clock multiplier 14
Voltage range 0.75 - 1.1V

overclocking

Overclocked clock speed 1.87 GHz
Overclocked clock speed (Water) 1.87 GHz
Overclocked clock speed (Air) 1.87 GHz

integrated graphics

GPU None
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