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- Dual-Core, Simple Price: Athlon 64 X2 3800+
- A Dissatifying Compromise With AMD's 64 bit Sempron 3400+
- The Athlon 64 FX Overclocked to 3 GHz
- Live Stress Test Rundown: AMD vs. Intel
- The AMD and Intel Energy Crisis
- Phenom as good or better than Intel in gaming?
- too many amps on single 12v rail?
- Why are there 5 different kinds of AMD CPUs?????
- AMD pushes out three more triple-core chips!!
- Using a 20 pin psu on a 24 pin board
- CPU Overheating HSF Questions
- 4870x2 Water Block
- E7200 3.31GHz, any more headroom?
- Should I air or water cool my gaming rig?-Please help!
- Core 2 Quad and Duo Temperature Guide
Racing For Two Processing Units
Source: Tom's Hardware US – Keywords: single
Syndication:
Racing For Two Processing Units
Next, we put together typical systems both for the AMD and the Intel architecture. Within both platform boundaries we wanted to have roughly about the same processing power, comprising either a 2.2 GHz dual-core processor or two 2.2 GHz single-core chips from AMD, and the Pentium Extreme Edition 840 at 3.2 GHz, two 3.2 GHz Xeons or the latest 2.8 GHz Xeon dual-core. As there is no faster version available, we have to live with the reduced clock speed for the dual core.
Of course, we could have compared Intel devices at 2.8 GHz only, but this would have left the Intel setup far behind in any performance comparison against the AMD platform lineup we used for benchmarking (see below).
AMD Platform System Lineup
| AMD Platform | Single Processor System, Dual Core CPU | Dual Processor System, One Dual Core CPU | Dual Processor System, Two Single Core CPUs |
|---|---|---|---|
| Platform | Socket 939 | Socket 940 | Socket 940 |
| Processor(s) | Athlon 64 X2 4400+ (2.2 GHz)
$520 |
Opteron 275 (2.2 GHz)
$1,100 |
2x Opteron 248 (2.2 GHz)
$700 |
| Motherboard | $200 | $280 | $280 |
| RAM | 2x 1 GB DDR400
$200 |
2x 1 GB DDR400 ECC Registered
$250 |
4x 512 MB DDR400
ECC Registered $250 |
| Total Cost | $920 | $1,630 | $1,230 |
| Comments | Non-upgradeable. | Second dual core CPU can be added. | Single core CPUs can be exchanged by dual core chips.
Each processor uses its own memory. |
We did not intend to search for particularly cheap components, so we decided to go for mid-class parts whenever possible. We also focused on NVIDIA nForce4 Professional chipsets when researching prices. We made sure that the price for a Socket 940 dual-processor motherboard reflected one that comes with dedicated memory for each of the two sockets. We picked the most affordable memory modules from the top brands that would accommodate our motherboards (4x 512 MB for the dual processor setup vs. 2x 1 GB for the single CPU dual-core lineup).
Intel Platform System Lineup
| Intel Platform | Single Processor System, Dual Core CPU | Dual Processor System, One Dual Core CPU | Dual Processor System, Two Single Core CPUs |
|---|---|---|---|
| Platform | Socket 775 | Socket 604 | Socket 604 |
| Processor(s) | Intel Pentium Processor Extreme Edition 840 (3.2 GHz)
$1,000 |
Intel Xeon Dual Core Processor 2.8 GHz
$1,100 |
2x Intel Xeon Processor 3.2 GHz (2 MB Cache)
$700 |
| Motherboard | $200 | $280 | $280 |
| RAM | 2x 1 GB DDR2-667
$250 |
2x 1 GB DDR2-400
ECC Registered $250 |
2x 1 GB DDR2-400
ECC Registered $250 |
| Total Cost | $1,450 | $1,630 | $1,230 |
| Comments | Non-upgradeable.
Pentium D 840 would deliver almost the same performance at $ 500 less. However, it won't support HyperThreading. |
Second dual core CPU can be added.
Two cores and four threads thanks to Hyper Threading. |
Single core CPUs can be exchanged by dual core chips.
Two processors with two threads each thanks to Hyper Threading. |
As was the case with Intel CPUs, the premium dual-core chips results in a system price that is considerably higher than that of a single-core dual-processor machine.
However, cost-saving options exist. Since Intel is very well aware that AMD's architecture is superior, the pricing has been adjusted accordingly. Unless you don't explicitly insist on having HyperThreading, you can drop the Extreme Edition and go for a regular Pentium D 840. This will reduce your processor price by 50% and have an impact on performance of between zero and a few percentage points only.
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