Intel Core2 X6800 

Released July, 2006
  • 2.93 GHz
  • Dual core
  • Unlocked
4.8 Out of 10

Built on the innovative Intel Core Duo micro architecture, the 65nm Intel Core 2 Duo desktop processor is set to deliver more performance and better energy efficiency than any other processor that Intel has in their lineup.
by Legit Reviews (Jul, 2006)
The AMD FX-62 used 20W more power than the Conroe, so AMD can no longer say they have more energy efficient processors.
by Legit Reviews (Jul, 2006)

CPUBoss Review Our evaluation of the Intel Core2 X6800 among desktop CPUs (45 to 75W)


Benchmark performance using all cores

Core2 X6800
PCMark 8 Home 3.0 Accelerated, PassMark and 1 more

Single-core Performance

Individual core benchmark performance

Core2 X6800
PassMark (Single Core), Geekbench 3 Single Core and 1 more

Integrated Graphics

Integrated GPU performance for graphics

Core2 X6800
Fire Strike

Integrated Graphics (OpenCL)

Integrated GPU performance for parallel computing

Core2 X6800
CompuBench 1.5 Bitcoin mining and 4 more

Performance per Watt

How efficiently does the processor use electricity?

Core2 X6800
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more


Are you paying a premium for performance?

Core2 X6800
Fire Strike, CompuBench 1.5 Bitcoin mining and 11 more


CPUBoss Score

Combination of all six facets

Core2 X6800

Benchmarks Real world tests of the Intel Core2 X6800

GeekBench 3 (Multi-core) Data courtesy Primate Labs

Core2 X6800

GeekBench 3 (Single core) Data courtesy Primate Labs

Core2 X6800

GeekBench 3 (AES single core) Data courtesy Primate Labs

Core2 X6800
125,200 MB/s
Core2 Duo E8500
129,700 MB/s
Core2 Duo E8400
128,000 MB/s

GeekBench (32-bit) Data courtesy Primate Labs

Core2 X6800


Core2 X6800

3D Mark 11 (Physics)

Core2 X6800

PassMark Data courtesy Passmark

Core2 X6800

PassMark (Single Core)

Core2 X6800

Reviews Word on the street for the Intel Core2 X6800

It absolutely flattens AMD's Athlon 64 FX- 62, while remaining cool, calm and collected throughout.

What People Are Saying Give it to me straight

Socket Type

A 300 point lead for the X6800 over the FX-62 in the overall benchmark test means that the top spots at the ORB will now be filled with Core 2 Duo results.
by Legit Reviews (Jul, 2006)
By adding more L2 cache, support for Enhanced Memory 64 Technology (EM64T), Execute Disable Bit, and the combination of EIST (Enhanced Intel Speedstep Technology), C1E (Enhanced Halt State), and TM2 (Thermal Monitor 2) the updated Prescott was finally looking like a production processor from Intel.
by Legit Reviews (Jul, 2006)
Our 2.66GHz E6700 managed 3.2GHz using the same setup.
by Tech Radar (Aug, 2006)


Since I keep my computer on nearly 24 hours a day and fold 24/7 on it for the Legit Folding Team (Team #38296) I would save roughly ~$60 per year by running an X6800 versus the FX-62.
by Legit Reviews (Jul, 2006)
From our testing the flagship AMD processor consumes roughly 45W more power than the fastest Intel dual-core processor, the Intel Core 2 Extreme processor X6800.
by Legit Reviews (Jul, 2006)
We have been so used to seeing AMD take the lead in these tests, that is almost seems wrong to say that the best they can do with their FX-62 is third place among these 5 cpus being tested.
by Legit Reviews (Jul, 2006)


For now the victory flag goes back to Intel with one of the most impressive new cores that we have seen to day.
by Legit Reviews (Jul, 2006)
Unlike the mobile Core Duo and Core Solo, the desktop chips have naming scheme distinction between the number of cores.
by Legit Reviews (Jul, 2006)
Intel has hit a home run with their lastest core and has them ramped up and ready to roll out the door.
by Legit Reviews (Jul, 2006)


It wasn't a great overclocker and was an early stepping so it wasn't included in our performance testing.
by Legit Reviews (Jul, 2006)
Fundamentally, it's the same chip as the much cheaper E6700 model which performed so well in our original benchmarks.
by Tech Radar (Aug, 2006)
It is because of this and the fact that Intel has taken the performance lead back from AMD that we gladly award the Intel "Conroe" processor the Legit Reviews Editor's Choice!
by Legit Reviews (Jul, 2006)

Type of CPU

We had the chance to talk with AMD on the phone today they promised Legit Reviews that AMD will have an agressive price move come in July and went on to say that AMD will not give up the lead in price versus perfomance.
by Legit Reviews (Jul, 2006)
All of these parts follow Intel's new processor numbering scheme, introduced when the Core Duo mobile processor family arrived earlier this year.
by Legit Reviews (Jul, 2006)
While Intel was busy updating their desktop processor lines, AMD was busy playing catch up and consumers were jumping ship.
by Legit Reviews (Jul, 2006)

Specifications Full list of technical specs


Clock speed 2.93 GHz
Cores Dual core
Socket type LGA 775
Is unlocked Yes


Has a NX bit Yes
Supports trusted computing No
Has virtualization support Yes
Instruction set extensions
  1. Supplemental SSE3
  2. SSE2
  3. SSE
  4. MMX
  5. SSE3
Supports dynamic frequency scaling Yes

power consumption

Annual home energy cost 18.07 $/year
Annual commercial energy cost 65.7 $/year
Performance per watt 1.82 pt/W
Typical power consumption 60.94W


Architecture x86-64
Threads 2 threads
L2 cache 4 MB
L2 cache per core 2 MB/core
Manufacture process 65 nm
Transistor count 291,000,000
Max CPUs 1
Clock multiplier 11
Voltage range 0.85 - 1.5V
Operating temperature Unknown - 60.4°C


Overclocked clock speed 3.55 GHz
Overclocked clock speed (Water) 4.07 GHz
Overclocked clock speed (Air) 3.55 GHz

integrated graphics

GPU None


Architecture FSB
Clock speed 1,066 MHz
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