AMD Athlon II X4 645 

Released September, 2010
  • 3.1 GHz
  • Quad core

Benchmarks Real world tests of the AMD Athlon II X4 645

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Athlon II X4 645
5,422

GeekBench 3 (Single core) Data courtesy Primate Labs

Athlon II X4 645
1,587

GeekBench 3 (AES single core) Data courtesy Primate Labs

Athlon II X4 645
124,500 MB/s
Phenom II X4 955
129,850 MB/s
Phenom II X4 945 95W
120,900 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Athlon II X4 645
5,270

GeekBench (64-bit) Data courtesy Primate Labs

Athlon II X4 645
5,652

GeekBench

Athlon II X4 645
7,301

PassMark Data courtesy Passmark

Athlon II X4 645
3,487

PassMark (Single Core)

Athlon II X4 645
1,075

Reviews Word on the street for the AMD Athlon II X4 645

Specifications Full list of technical specs

summary

Clock speed 3.1 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 0.5 MB
L3 cache per core 0.13 MB/core
Manufacture process 45 nm
Max CPUs 1
Voltage range 1.05 - 1.4V
Operating temperature Unknown - 71°C

overclocking

Overclock popularity 15
Overclocked clock speed 3.67 GHz
Overclocked clock speed (Water) 3.1 GHz
PassMark (Overclocked) 2,068.5
Overclocked clock speed (Air) 3.67 GHz

power consumption

TDP 95W
Annual home energy cost 44.01 $/year
Annual commercial energy cost 121.5 $/year
Performance per watt 1.08 pt/W
Idle power consumption 75W
Peak power consumption 138.7W
Typical power consumption 122.78W
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