AMD Phenom II X4 840 

Released January, 2011
  • 3.2 GHz
  • Quad core

Benchmarks Real world tests of the AMD Phenom II X4 840

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Phenom II X4 840
5,835

GeekBench 3 (Single core) Data courtesy Primate Labs

Phenom II X4 840
1,655

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X4 840
129,500 MB/s
Phenom II X4 965
137,800 MB/s
Phenom II X4 955
129,850 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Phenom II X4 840
5,515

GeekBench (64-bit) Data courtesy Primate Labs

Phenom II X4 840
7,871

GeekBench

Phenom II X4 840
7,871

PassMark Data courtesy Passmark

Phenom II X4 840
5,029

PassMark (Single Core)

Phenom II X4 840
1,537

Reviews Word on the street for the AMD Phenom II X4 840

Specifications Full list of technical specs

summary

Clock speed 3.2 GHz
Turbo clock speed 0 GHz
Cores Quad core
Socket type AM3
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

integrated graphics

GPU None

bus

Clock speed 2,000 MHz

details

Architecture x86-64
Threads 4 threads
L2 cache 2 MB
L2 cache per core 0.5 MB/core
L3 cache 0 MB
L3 cache per core 0 MB/core
Manufacture process 45 nm
Max CPUs 1
Voltage range 0.85 - 1.4V
Operating temperature Unknown - 71°C

overclocking

Overclock popularity 37
Overclock review score 5
Overclocked clock speed 3.94 GHz
Overclocked clock speed (Water) 3.2 GHz
PassMark (Overclocked) 1,971.6
Overclocked clock speed (Air) 3.94 GHz

power consumption

TDP 95W
Annual home energy cost 22.89 $/year
Annual commercial energy cost 83.22 $/year
Performance per watt 1.87 pt/W
Typical power consumption 77.19W

memory controller

Memory controller Built-in
Memory type DDR3
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