Amd Phenom Ii X4 840
AMD Phenom II X4 840 Edition Deneb three.2 GHz 4×512 KB L2 Cache Socket AM3 95W Quad-Core Processor – Retail HDX840WFGMBOX (Black)
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- Multi-Core: Quad-core
- Operating Frequency: three.2GHz
- Socket: AM3
- Electrical power: 95W, Cache: 2MB
- three.2 ghz 2MB Cache
amd phenom ii x4 840
AMD Phenom II X4 840, 95W, AM3, 2MB Cache, 3200MHz
AMD Phenom II X4 840 Edition Deneb three.two GHz 4×512 KB L2 Cache Socket AM3 95W Quad-Core Processor – Retail HDX840WFGMBOX (Black)
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Great price/performance ratio!,
I just used this processor in a build for my father-in-law. As I researched processors, this one stood out for the price/performance ratio. If you’re looking to build a computer with a reasonable budget and performance that will fit average needs for the next several years, this is the processor to get. Stepping down to a dual core will only save you $15-25, and stepping up to other quad cores or 6-cores will cost you a premium compared to the performance gain (which you probably won’t even notice for most home-user tasks).
While benchmarks don’t tell everything, they can at least give you a general idea of where a processor rates compared to others on the market. Compared to others in the $85-$110 range, this one seemed to stand out because:
*It’s a Phenom II AM3 socket vs. an Athlon2 or a Phenom II Dual core
*It’s Quad Core vs. Dual core
*It’s lower wattage than comparable Quad-cores in this price range
*To step down to a dual core didn’t really save all that much money.
While this isn’t the “Black Edition”, I don’t plan to overclock it, so that wasn’t a factor for me. I built myself a computer a couple years ago using a AMD HDZ940XCGIBOX Phenom II X4 940 Black Edition 3.0GHz Cache 8MB AM2+ 125W Processor – Retail and have never even bothered with it. I did use a dual core in a build for my wife’s grandma, and this is a perfectly fine option if you’re trying to shave every dollar off the cost. In fact, saving $25 on a processor and using it toward more RAM might be a better choice if you’re just using email and surfing the occasional webpage like she does.
Since it’s AM3, you can use it in AM2+ motherboards as well, whereas buying an AM2+ socket processor won’t be compatible with AM3 only motherboards.
The only negative observations I’ve had so far:
*The heatsink & fan seemed fairly basic, but at least this retail version comes with it in the box. Heatsink was smaller than the processor I mentioned above, but that’s likely b/c it’s 95W vs. 125W.
* The heat paste applied to the heatsink had some tiny dust/cardboard particles in it. I had to try and get those out without disturbing the paste. AMD could do a better job of dusting and sealing the heatsink instead of just putting a plastic cover over it. That allowed dust from the packing material to get into the heat paste.
For reference, here’s the processors I compared this one to to evaluate the price/performance ratio. Obiously, changes in pricing will affect the order:
Processor / Passmark Score / Price / Value (higher=better)
Phenom II X4 840………./ 3894 /100/ 38.94
Athlon II X4 640………../ 3517 / 96/ 36.64
Phenom II X4 955 BE…../ 3938 /130/ 30.29
Phenom II X6 1090T BE../ 6045 /200/ 30.23
Athlon II X2 250………../ 1712 / 58/ 29.52
Phenom II X6 1055……../ 5188 /180/ 28.82
Phenom II X4 965 BE…../ 4272 /150/ 28.48
Athlon II X2 255………../ 1827 / 65/ 28.11
Phenom II X2 555 BE…../ 1967 / 88/ 22.35
Phenom II X2 560 BE…../ 2134 /100/ 21.34
I found this locally at a huge computer store that gave a $40 instant discount on a motherboard when you purchase an AMD. With this I was able to build a really nice system. This also made my choice to stick with AMD vs. considering Intel.
Good luck making the best choice for you, hopefully this has been helpful if you’re considering this processor.
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|Best Bang-for-Buck Quad-Core,
I had my son set up on an older nForce Abit board with a Phenom 9850 Quad-core (125watt). The CPU was always running hot and just never seemed to run right.
I ended up using this CPU with a nForce MSI NF750-G55. This CPU is only 95 watts so it runs cool and quiet. There is no L3 Cache, but at 3.2 Ghz, it doesn’t seem to make a difference
compared to the older 9850 at 2.5 Ghz. The lack of L3 cache shows it is basically a faster Athlon X4, but they still call it a Phenom. Its been up for several weeks with zero problems.
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