Intel Core 2 Extreme QX6800 - HotHardware

Intel Core 2 Extreme QX6800

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How we configured our test systems: When configuring our test systems for this article, we first entered their respective system BIOSes and set each board to its "Optimized" or "High Performance Defaults". We then saved the settings, re-entered the BIOS and manually set the memory for DDR2-800 operation with 4,4,4,12 timings. The hard drives were then formatted, and Windows XP Professional (SP2) was installed. When the Windows installation was complete, we installed the drivers necessary for our components, and removed Windows Messenger from the system. Auto-Updating and System Restore were then disabled and we set up a 1024MB permanent page file on the same partition as the Windows installation. Lastly, we set Windows XP's Visual Effects to "best performance," installed all of our benchmarking software, defragged the hard drives, and ran the tests.

HotHardware's Test Systems
AMD & Intel Inside!
System 1:
Core 2 Extreme QX6800
(2.93GHz - Quad-Core)
Core 2 Extreme QX6700
(2.66Hz - Quad-Core)
Core 2 Extreme X6800 / E6700
(2.93GHz & 2.66GHz)

Intel D975XBX2
(975X Express)

2x1GB Corsair PC-6400
CL 4-4-4-12 - DDR2-800

GeForce 7950 GX2
On-Board Ethernet
On-board Audio

WD740 "Raptor" HD
10,000 RPM SATA

Windows XP Pro SP2
Intel INF 8.0.1.1002
NVIDIA Forceware v91.27
DirectX 9.0c

System 2:
AMD Athlon X2 6000+

(3.0GHz)
Athlon 64 FX FX-62
(2.8GHz)

Asus M2N32-SLI Deluxe
(NVIDIA nForce 590 SLI)

2x1GB Corsair PC-6400
CL 4-4-4-12 - DDR2-800

GeForce 7950 GX2

On-Board Ethernet
On-board Audio


WD740 "Raptor" HD
10,000 RPM SATA

Windows XP Pro SP2
nForce Drivers v9.35
NVIDIA Forceware v91.27
DirectX 9.0c

System 3:
AMD Athlon 64 FX-74
AMD Athlon 64 FX-72
AMD Athlon 64 FX-70

(3.0GHz, 2.8GHz, 2.6GHz)

Asus L1N64-SLI WS
(NVIDIA nForce 680a SLI)

4x512MB Corsair PC-6400
CL 4-4-4-12 - DDR2-800

GeForce 7950 GX2

On-Board Ethernet
On-board Audi
o


WD740 "Raptor" HD
10,000 RPM SATA

Windows XP Pro SP2
nForce Drivers v9.53
NVIDIA Forceware v91.27
DirectX 9.0c

Preliminary Testing with SiSoft SANDRA XI
Synthetic Benchmarks

We began our testing with SiSoftware's SANDRA XI, the System ANalyzer, Diagnostic and Reporting Assistant. We ran six of the built-in subsystem tests that partially comprise the SANDRA XI suite with the Core 2 Extreme QX6800 (CPU, Multimedia, Multi-Core Efficiency, Memory, Cache, and Memory Latency). All of the scores reported below were taken with the processor running at its default clock speeds of 2.93GHz.


Core 2 Extreme QX6800 @ 2.93GHz
CPU Arithmetic



Core 2 Extreme QX6800 @ 2.93GHz
MultiMedia



Core 2 Extreme QX6800 @ 2.93GHz
Multi-Core Efficiency




Core 2 Extreme QX6800 @ 2.93GHz
Memory Bandwidth



Core 2 Extreme QX6800 @ 2.93GHz
Cache and Memory


Core 2 Extreme QX6800 @ 2.93GHz
Memory Latency

The Core 2 Extreme QX6800 performed just as you'd expect it would in the various SANDRA subsystem tests. In the CPU and Multimedia benchmarks, it was clearly the fastest of the bunch thanks to its higher frequency. The Multi-Core Efficiency benchmark had it finishing behind a high-end Xeon rig, and in the Memory Bandwidth, Memory Latency, and Memory and Cache benchmarks, the QX6800 finished in-line with other similarly configured Intel-based reference systems.

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