In Device Manager, you'll notice that your system will list the D 840 as two processors, while from CPU-Z you can read the details for each one separately.
When the CPU runs in idle, the temperature according to Asus Probe II and the bios is:
When we ran PCMark04 and 05, due to running simultaneous multiple processes, the temperature increased to:
This is a very high temperature and the stock cooler has to work overtime in order to restore temperatures back to "normal".
Here's a rundown of our testbed used to test the Intel D 840 3.2GHz processor:
System Specifications:
CPU: Intel Pentium D 840
Cooler: stock
Case: Antec
Motherboard: Asus P5WD2E-Deluxe
Power supply: CoolerMaster 450W
Memory: 2X512MB Corsair CM2X512-8000UL (dual channel)
VGA: Asus 6800GT PCI-E
Hard Disk Drive: WD800JD 80GB 7200RPM
OS: Windows XP Pro SP2
Drivers: 7.1.8.4
DirectX: v9.0
Benchmarks & Applications used
- Sisoft Sandra 2005
- Prime95
- PcMark04
- 3DMark01
- 3DMark03
- 3DMark05
- PassMark Performance Test V5.0
- Half Life 2 - VST
- Asus Probe 2.23
- FlaskMPEG
- DVD Shrink
- dBPower
- WinRAR
- CPU-Z
