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Like the superheroes of old, the AMD Phenom II streaks out of the night to lay waste to your enemies with three 2.5GHz cores that have L1 and L2 caches for each core and 6MB of L3 cache to be shared to handle really heavy loads or large data sets.
Memory transfers get faster than ever. HyperTransport Generation 3.0 mode allows up to 16.0GB/s of bandwidth. Up to 17.1GB/s memory bandwidth for DDR2 and up to 21GB/s memory bandwidth for DDR3 memory controller delivers an amazing 37GB/s of processor-to-system bandwidth. This unprecedented bandwidth is needed to feed the data hungry AMD64 with Direct Connect Architecture cores.
You'd think that all of this power would be too hot to handle. Think again. AMD's Cool'n'Quiet 3.0 technology works with CoolCore Technology to minimize heat while keeping power and efficiency up. Now the cores can shut down unused parts of the processor when not in use. This saves power and helps to reduce the amount of heat generated. This function is built in so there's no need for drivers or BIOS updates.
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13 |
Marvelous CPU, but you might want to consider the 720
- Pros: This isn't so much a review as it is useful information for potential buyers.
This product is the best in its class for what it is specified to be used for: a fast, efficient, multi-threading beast. Having adjusted my own 720BE to be the same speed of 2500GHz and as this 705e to save power, I can tell you that I have started games and apps with my CPU at the lower speeds and not even realized it. It was just as fast and smooth in processing. This is cecause it still retains the keys to its performance, which is higher cache. This processor will be plenty fast and offers very low consumption at minimal performance loss.
However if you aren't afraid of tweaking voltages and clocks yourself in the BIOS or with AMD Overdrive, it might not be the best option.
- Cons: AMD dropped the clock down to 2.5GHz to achieve the lower power consumption rating of 65W, something you can do manually with the 2.8GHz Phenom II X3 720 Black Edition if you want to save power, as it has an unlocked multiplier. In fact you could clock the 720BE down even lower than 2.5GHz manually and have a CPU that consumes between 30W and 60W. Better yet, hit the green button in AMD Overdrive and watch it plummet to below 20W in Cool n' Quiet mode.
If you aren't afraid to adjust clocks, the 720 offers better power saving features through adjustability at a cheaper price point. Better yet, if you get a need to crank up the CPU to full-tilt boogey for a big app or game, you have that option as well with the 720, as it's capable of reaching 3.6GHz or more with half-decent motherboards and PSUs that can handle it.
- Other Thoughts: The 720BE is cheaper. If you want to save energy you can manually clock it to 2.5GHz at 1.15v with its unlocked multiplier to achieve the same exact 65W consumption as the 705e. It's the same processor after you manually adjust it to 2500GHz at 1.15v. Drop both settings lower than that for even greener computing. On top of that you have to option to turn up the performance if you need that extra boost in power. These are changes you can easily make on the fly with the free program AMD Overdrive, which even lets you enable/disable Cool n' Quiet mode without having to go to BIOS by clicking the green button on the top right corner.
As consumers I think most would agree that it's nice knowing you have that option and flexibility. If you are comfortable with the simple voltage and multiplier tweaks involved, it's a no-brainer: the 720 is more versatile and usually cheaper. If you're skeptical about changing voltages and clock speeds, then the 705e will be still be superb.
Really cool CPU
- Pros: Drop in AM2 replacement, fast CPU and low power, low enough such that the stocked fan speed can be cranked down to the whisper quiet 1500 RPM level with temperature at ~45 degC
- Cons: Just free shipping, no price drop
- Other Thoughts: Have a low power server system that's on 24/7, 45W 2.5GHz AM2 dual just barely does the job. This 65W AM3 replacement does a fantastic job and less power too, where the AM2 averages 20% CPU load for what I run, this baby averages 8%, brought system power down from 75W down to 68W. More importantly, I can play 1080p videos with A/V in sync using the on board plain simple ATI HD3200 graphic chipset.
| Model | HD705EOCGIBOX |
| Series | Phenom II X3 |
| CPU Socket Type | Socket AM3 |
| Core | Heka |
| Multi-Core | Triple-Core |
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- Pros: Works great! great speed.
- Cons: no!
- Other Thoughts: Came from Pentium 4 HT 2.6. What a difference. Runs smooth with Windows 7 64.
4GB OCZ
MSI ATI 5770
BIOSTAR TA790GX XE
Works great
- Pros: Works great!
- Cons: None.
- Other Thoughts: I haven't run any benchmarks or anything, but nothing has made me think it's slow, so I'm happy. :)
Great cpu if you can get it cheaper...
- Pros: The obvious....Phenom II, low power 65w, 45nm, tri-core, possible 4th core unlock. Makes pretty much no heat, any piece of tin $5 heat sink will keep it cool no matter how much load you put on it.
- Cons: Price. I happen to score this cpu for $64 shipped slightly used but in perfect condition (no hsf though, not a big deal). If you can buy it as cheap as I did, or atleast under $80 right now, it's way worth it.
- Other Thoughts: For the price I paid, current price of the Athlon II 245 is about the same price and this CPU should slaughter it.
This CPU currently resides in my backup PC which consists of-
Asus 780g board
705e triple core
2x1gb of ddr2-800 ocz memory
650w psu
Sapphire 4870 gpu (yeah this is my ''backup'' lol)
Anyway, I know the purpose of this CPU is no overclocking, but I gave it a shot anyway. Unfortunately, the asus board I have is a low end board so the bios isn't the most tweakable. It only has an option of +.15v over whatever stock voltage is which is 1.175v. So, my max was 1.325 vcore. With that I was able to get 3.0ghz completely prime95 stable. Thats not bad IMO. Some day I will put this in my main rig with the gigabyte board and first of all see if the 4th core unlocks stable and then crank the juice and find out what it OC's too max stable on air. I think I can get atleast 3.2-3.4ghz stable and basically have a Phenom II 955 if it unlocks to a quad.
| Model |
| Brand |
AMD |
| Series |
Phenom II X3 |
| Model |
HD705EOCGIBOX |
| CPU Socket Type |
| CPU Socket Type |
Socket AM3 |
| Tech Spec |
| Core |
Heka |
| Multi-Core |
Triple-Core |
| Name |
Phenom II X3 705e |
| Operating Frequency |
2.5GHz |
| Hyper Transports |
4000MHz |
| L2 Cache |
3 x 512KB |
| L3 Cache |
6MB |
| Manufacturing Tech |
45 nm |
| 64 bit Support |
Yes |
| Hyper-Transport Support |
Yes |
| Virtualization Technology Support |
Yes |
| Voltage |
0.80-1.25V |
| Thermal Design Power |
65W |
| Cooling Device |
Heatsink and Fan included |
Introduction
Like the superheroes of old, the AMD Phenom II streaks out of the night to lay waste to your enemies with three 2.5GHz cores that have L1 and L2 caches for each core and 6MB of L3 cache to be shared to handle really heavy loads or large data sets.
Memory transfers get faster than ever. HyperTransport Generation 3.0 mode allows up to 16.0GB/s of bandwidth. Up to 17.1GB/s memory bandwidth for DDR2 and up to 21GB/s memory bandwidth for DDR3 memory controller delivers an amazing 37GB/s of processor-to-system bandwidth. This unprecedented bandwidth is needed to feed the data hungry AMD64 with Direct Connect Architecture cores.
You'd think that all of this power would be too hot to handle. Think again. AMD's Cool'n'Quiet 3.0 technology works with CoolCore Technology to minimize heat while keeping power and efficiency up. Now the cores can shut down unused parts of the processor when not in use. This saves power and helps to reduce the amount of heat generated. This function is built in so there's no need for drivers or BIOS updates.
Highlights
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AMD64 Triple-core Technology
AMD64 is designed to enable simultaneous 32- and 64-bit computing with no degradation in performance. With Triple-Core technology, three complete processor cores on a single die run at the same frequency to deliver exceptional multi-tasking power, allowing users to surge through the most demanding processing loads, including advanced multitasking, critical business productivity, complicated visual design and modeling, serious gaming, and visually stunning digital media and entertainment.
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Integrated DDR2 and DDR3 DRAM Memory Controller
The AMD Phenom II X3 Triple-Core processor is integrated with DDR2 and DDR3 DRAM memory controller capable of supporting registered and ECC DRAM. The integrated memory controller changes the way the processor accesses main memory, resulting in increased bandwidth, reduced memory latencies, and enhanced processor performance.
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HyperTransport 3.0 Technology
HyperTransport Technology (HT or HTT) is a high-speed, low latency, point-to-point link designed to increase communication speeds between integrated circuits in computers, servers, embedded systems, and networking and telecommunications equipment. With HT 3.0 technology the AMD Phenom II X3 triple-Core processor enjoys 4000MHz system bus speeds.
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AMD Cool'n'Quiet 3.0 Technology
AMD's Cool'n'Quiet 3.0 technology is an enhanced solution available on AMD Phenom II X3 processor-based systems that can effectively lower power consumption and enable a quieter-running system while delivering performance-on-demand.
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AMD Virtualization
Virtualization on desktop computers allows a single PC to act like multiple virtual machines. AMD Virtualization can enable client computers to seamlessly support multiple operating environments. And it also helps make it easier for PC enthusiasts to upgrade and maintain their PCs through emulation.
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AMD CoolCore Technology
AMD CoolCore Technology reduces processor energy consumption by turning off unused parts of the processor. Power can be switched on or off within a single clock cycle so that energy is saved without compromising performance.
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Quick Specs
| Brand | AMD |
| Core | Heka |
| CPU Socket Type | Socket AM3 |
| Hyper Transports | 4000MHz |
| L2 Cache | 3 x 512KB |
| L3 Cache | 6MB |
| Manufacturing Tech | 45 nm |
| Multi-Core | Triple-Core |
| Operating Frequency | 2.5GHz |
| Series | Phenom II X3 |
| Thermal Design Power | 65W |
| Virtualization Technology Support | Yes |
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Reviewed By: A Looking In View on 8/16/2009
Tech Level: high - Ownership: 1 month to 1 year
