AMD Phenom II X3 720 

Released February, 2009
  • 2.8 GHz
  • Tri core
  • Unlocked
5 Out of 10

Now that AMD Socket AM3 processors are available for as little as $115 for the AMD Phenom II X3 710, one can build an affordable system that still performs well.
by Legit Reviews (Feb, 2009)
In our review of the Phenom II X4 940 processor we saw that the new 45nm processors looked much improved from both a performance and overclocking stand point.
by Legit Reviews (Feb, 2009)

CPUBoss Review Our evaluation of the AMD Phenom II X3 720 among desktop CPUs (over 75W)

Performance

Benchmark performance using all cores

Phenom II X3 720
4.7
FX 6300
6.2
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Phenom II X3 720
5.1
FX 6300
6.6
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Phenom II X3 720
0.0
FX 6300
0.0
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Phenom II X3 720
0.0
FX 6300
0.0
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Phenom II X3 720
5.5
FX 6300
6.0
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

Value

Are you paying a premium for performance?

Phenom II X3 720
n.d.
FX 6300
6.5
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more

5

CPUBoss Score

Combination of all six facets

Phenom II X3 720
5.0
FX 6300
5.8

Benchmarks Real world tests of the AMD Phenom II X3 720

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Phenom II X3 720
4,130
Core i5 3570K
10,311
FX 6300
7,871

GeekBench 3 (Single core) Data courtesy Primate Labs

Phenom II X3 720
1,552
FX 6300
2,053

GeekBench 3 (AES single core) Data courtesy Primate Labs

Phenom II X3 720
119,600 MB/s
Core i5 3570K
2,650,000 MB/s
FX 6300
2,290,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Phenom II X3 720
3,694
Core i5 3570K
10,832
FX 6300
7,447

GeekBench (64-bit) Data courtesy Primate Labs

Phenom II X3 720
4,192
Core i5 3570K
11,824
FX 6300
8,232

GeekBench

Phenom II X3 720
5,726
Core i5 3570K
15,009
FX 6300
9,503

PassMark Data courtesy Passmark

Phenom II X3 720
2,703
FX 6300
6,444

PassMark (Single Core)

Phenom II X3 720
974
FX 6300
1,446

Reviews Word on the street for the AMD Phenom II X3 720


6.0
With Intel sticking to even core counts, it was almost inevitable that AMD would step in with some triple-core chips.

What People Are Saying Give it to me straight

Socket Type

As you can see benchmarking the overclock shows that it knocked 32 seconds off the ProShow Gold benchmark, which is an improvement of 26.2.
by Legit Reviews (Feb, 2009)
Benchmark Results: Photodex Proshow software showed that the Phenom II X4 810 and Phenom II X3 720 performed well, but they are mixed in tightly with other processors by Intel.
by Legit Reviews (Feb, 2009)
Running with a 313MHz HT reference clock is impressive, but being limited to 1.65V on the CPU Core and having no multipliers above 13x really hurts overclocking.
by Legit Reviews (Feb, 2009)

Socket

Results: All of the AMD Phenom II processors were benchmarked with a 4GB kit of Corsair DOMINATOR PC2-9136C5 running at 1066MHz with CL5 timings and for some reason Sandra 2009 SP2 showed that both the Socket AM3 processors performed better than the Socket AM2+ processors.
by Legit Reviews (Feb, 2009)
AMD actually made a package change and removed two of the 940 pins that are found on Socket AM2 and AM2+ processors, so the new Socket AM3 processors have just 938 pins!
by Legit Reviews (Feb, 2009)
What is even better news is that AM3 processors are 100% backwards compatible with motherboards using AM2+ sockets, which means you do not have to run out and buy a brand new Socket AM3 motherboard and a DDR3 memory kit to upgrade to one of these processors.
by Legit Reviews (Feb, 2009)

Multicore

AMD still has a lower price tag, but no longer has a core advantage.
by Legit Reviews (Feb, 2009)
And remember, there are no guarantees when it comes to unlocking that hidden fourth core.
by Tech Radar (Sep, 2010)
AMD has disabled one of Deneb's four cores.
by Tech Radar (Sep, 2010)

Performance

I put off overclocking till the very end of testing, so if something blows up all the benchmarks are completed.
by Legit Reviews (Feb, 2009)
The performance numbers for the chip were solid, but failed to impress at stock settings.
by Legit Reviews (Feb, 2009)
The AMD Phenom II X3 720 Black Edition wasn't really more energy efficient that the Phenom II X4 810 since it has more cache and a higher clock frequency.
by Legit Reviews (Feb, 2009)

Overclocking

Looks like the old overclocking friendly AMD processors are back and it is likely a fair number of AMD enthusaists will be back as well.
by Legit Reviews (Feb, 2009)
Increasing the bus speed will be the only way to overclock this processor and that is likely to deter many enthusiasts and overclockers.
by Legit Reviews (Feb, 2009)
With a decent overclock and being price competitive with Intel, this processor should do pretty well in the retail market.
by Legit Reviews (Feb, 2009)

Specifications Full list of technical specs

summary

Clock speed 2.8 GHz
Cores Tri core
Socket type AM3
Is unlocked Yes

features

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

integrated graphics

GPU None

details

Architecture x86-64
Threads 3 threads
L2 cache 2 MB
L2 cache per core 0.67 MB/core
L3 cache 6 MB
L3 cache per core 2 MB/core
Manufacture process 45 nm
Max CPUs 1
Voltage range 0.85 - 1.43V
Operating temperature Unknown - 73°C

overclocking

Overclock popularity 56
Overclocked clock speed 3.61 GHz
Overclocked clock speed (Water) 4.32 GHz
PassMark (Overclocked) 2,146.5
Overclocked clock speed (Air) 3.61 GHz

power consumption

TDP 95W
Annual home energy cost 22.89 $/year
Annual commercial energy cost 83.22 $/year
Performance per watt 1.59 pt/W
Typical power consumption 77.19W

bus

Clock speed 2,000 MHz
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