As expected
the Socket AM2 Athlon64 X2 4800+ processor draws less power than the other
Socket AM2 Athlon64 processors and uses just 143W of power at idle. It's a
surprise how little energy the AMD Athlon64 FX-60 consumes but then again the
platform is slightly different from the Socket AM2 systems. Of all the
processors the Intel Core 2 Duo E6600 leads the pack drawing only 117W of
power.
| Total System Idle Power
Draw |
| Processor |
Total System
Power Draw |
| Intel Core 2 Duo
E6600 |
   117 Watts |
| Intel Pentium 4 540 |
150 Watts |
| Intel Pentium D 840 |
165 Watts |
| Intel Pentium D 940 |
168 Watts |
| AMD Sempron 3600+ |
120 Watts |
| AMD Athlon64 4000+ |
163 Watts |
| AMD Athlon64 FX-60 |
127 Watts |
| AMD Athlon64 X2 5000+ |
156 Watts |
| AMD Athlon64 FX-62 |
168 Watts |
 AMD Athlon64 X2 4800+ |
   143 Watts |
When the
Socket AM2 AMD Athlon64 X2 4800+ is under single core load (the chart below),
the entire system only draws 165W of power. When both processing cores are
running at full load, the system only uses 8W more power which is quite a
surprise. A total system power consumption figure of 173W is quite good. With
two cores running at full load, the 65nm Athlon64 X2 4800+ uses less energy than
just one core running on the 90nm Athlon64 X2 5000+! Once again Intel's Core 2
Duo E6600 processor uses the least amount of power on the whole, drawing 144W
with single core load and 156W when both cores are running at max.
| Total System Stressed Power
Draw |
| Processor |
Total System
Power Draw |
| Intel Core 2 Duo
E6600 (Single Core Load) |
144 Watts |
| Intel Core 2 Duo
E6600 (Dual Core Load) |
156 Watts |
| Intel Pentium 4 540 |
223 Watts |
| Intel Pentium D 840 (Single Core Load) |
203 Watts |
| Intel Pentium D 840 (Dual Core Load) |
240 Watts |
| Intel Pentium D 940 (Single Core Load) |
230 Watts |
| Intel Pentium D 940 (Dual Core Load) |
253 Watts |
| AMD Sempron 3600+ |
148Watts |
| AMD Athlon64 4000+ |
172 Watts |
| AMD Athlon64 FX-60 (Single Core Load) |
163 Watts |
| AMD Athlon64 FX-60 (Dual Core Load) |
196 Watts |
| AMD Athlon64 X2 5000+ (Single Core Load) |
177 Watts |
| AMD Athlon64 X2 5000+ (Dual Core Load) |
207 Watts |
| AMD Athlon64 FX-62 (Single Core Load) |
196 Watts |
| AMD Athlon64 FX-62 (Dual Core Load) |
235 Watts |
| AMD Athlon64 X2 4800+ (Single Core Load) |
165 Watts |
| AMD Athlon64 X2 4800+ (Dual Core Load) |
173 Watts |
The Sempron 3600+'s 148W of power usage isn't very good
considering it only has one processing core.
From the
power measurement tests, it's clear to see that AMD's 65nm Socket AM2 Athlon64
X2 4800+ processor draws less power than the equivalent 90nm generation. Head to
head the X2 4800+ consumes 34W less than the X2 5000+ (dual core loaded), and
under single core situations 12W less.
Up next overclocking and benchmarks, but first a quick
peak at AMD's K8 architecture.
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