Average Bench: 15.6% (1030th of 1206)

Based on 3,069 user benchmarks.  Device: BFEBFBFF0001067A Model: Intel(R) Core(TM)2 Duo CPU T6400 @ 2.00GHz
Poor: 9%Average: 15.6% Great: 18%
Gaming 16%
Desktop 19%
Workstation 7%
Tree trunk

Terrible average bench

The Intel Core2 Duo T6400 averaged 84.3% lower than the peak scores attained by the group leaders. This isn't a great result which indicates that there are much faster alternatives on the comparison list.


Avg. Single Core Mixed Speed 31.8Pts
Avg. Dual Core Mixed Speed 60.2Pts

Excellent consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Duo T6400 is just 9.21%. This is an extremely narrow range which indicates that the Intel Core2 Duo T6400 performs superbly consistently under varying real world conditions.


Avg. Multi Core Mixed Speed 62.9Pts
Avg. Octa Core Mixed Speed 62.7Pts

Average Bench

(Based on 3,069 samples)
Min Avg Max
17.4 1-Core 31.8 36.1
29.1 2-Core 60.2 71.8
21.8% 46 Pts
Min Avg Max
35.3 4-Core 61.6 71.8
36.3 8-Core 62.7 72
8.5% 62.2 Pts
Min Avg Max
35.3 64-Core 62.9 71.8
4.2% 62.9 Pts
User Benchmarks Bench Normal Heavy Extreme
The fastest CPU (mainstream) averages a speed of 100%
U2E1, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz, turbo 1.85 GHz (avg)
1-Core 35.4
2-Core 69.7
25% 52.5 Pts
4-Core 71.6
8-Core 69.6
10% 70.6 Pts
64-Core 71.5
5% 71.5 Pts
Microprocessor, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz, turbo 1.85 GHz (avg)
1-Core 35.8
2-Core 68.5
25% 52.2 Pts
4-Core 68.2
8-Core 69.2
9% 68.7 Pts
64-Core 66.8
4% 66.8 Pts
N/A, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz
1-Core 35.1
2-Core 69.5
25% 52.3 Pts
4-Core 68.7
8-Core 68.8
9% 68.8 Pts
64-Core 70.1
5% 70.1 Pts
CPU 1, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz, turbo 1.65 GHz (avg)
1-Core 27.5
2-Core 37.3
16% 32.4 Pts
4-Core 43.2
8-Core 51.5
6% 47.3 Pts
64-Core 49.1
3% 49.1 Pts
U2E1, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz
1-Core 20.6
2-Core 43.7
15% 32.2 Pts
4-Core 41
8-Core 53.2
6% 47.1 Pts
64-Core 64.5
4% 64.5 Pts
Microprocessor, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz, turbo 1.2 GHz (avg)
1-Core 17.5
2-Core 32.4
12% 25 Pts
4-Core 38
8-Core 39.5
5% 38.8 Pts
64-Core 38.6
3% 38.6 Pts
3,069 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 23,789,520 CPUs tested.


AmazonUS $9913 mins
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Typical Core2 Duo T6400 Builds (Compare 1,705 builds) See popular component choices, score breakdowns and rankings.
Gaming 11%
Tree trunk
Desktop 23%
Workstation 13%
Tree trunk

System: Dell Inspiron 1545

EDIT WITH CUSTOM PC BUILDER Value: 20% - Poor Total price: $131

Popular Core2 Duo T6400 systems:

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Processor Rankings (Price vs Performance) January 2020 CPU Rankings.

We calculate effective speed which measures real world performance for typical users. Effective speed is adjusted by current prices to yield a value for money rating. Our calculated values are checked against thousands of individual user ratings. The customizable table below combines these factors to bring you the definitive list of top CPUs. [CPUPro]


Group Test Results

  • Best user rated - User sentiment trumps benchmarks for this comparison.
  • Best value for money - Value for money is based on real world performance.
  • Fastest real world speed - Real World Speed measures performance for typical consumers.



DescriptionIntel® Core™2 Duo Processor T6400 (2M Cache, 2.00 GHz, 800 MHz FSB)
Code NamePenryn
Launch DateQ1'09
Processor NumberT6400
# of Cores2
Cache2 MB L2
Instruction Set64-bit
Embedded Options AvailableNo
Lithography45 nm
VID Voltage Range1.000V-1.250V
Recommended PriceN/A
Clock Speed2 GHz
Bus Speed800 MHz FSB
Max TDP35 W

Advanced Technologies

Virtualization Tech (VT-x)No
Intel 64Yes
Enhanced Intel SpeedStep® TechYes
Turbo Boost TechNo
Hyper-Threading TechNo
Demand Based SwitchingNo


Package Size35mm x 35mm
Sockets SupportedPGA478
Processing Die Size107 mm2
# of Processing Die Transistors410 million

Platform Protection

Execute Disable BitYes
Trusted Execution TechNo


Added n/a ago.


12 months ago.

it is great at normal tasks, and even supports much older hardware like ddr3 ram

1206 Processors (Compared) Thousands of user benchmarks compiled into one comparison list.

See how consistently different CPUs perform with varying real world conditions. The charts also illustrate overall performance, popularity and rank.

 Frequently Asked Questions

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