Average Bench: 15.6% (1019th of 1197)

Based on 2,912 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 32Pts
Avg. Dual Core Mixed Speed 60.2Pts

Excellent consistency

The range of scores (95th - 5th percentile) for the Intel Core2 Duo T6400 is just 9.09%. 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 63Pts
Avg. Octa Core Mixed Speed 62.7Pts

Average Bench

(Based on 2,912 samples)
Min Avg Max
18.7 1-Core 32 36.1
30.1 2-Core 60.2 71.7
21.9% 46.1 Pts
Min Avg Max
35.1 4-Core 61.4 71.8
36.5 8-Core 62.7 71.9
8.45% 62.1 Pts
Min Avg Max
36 64-Core 63 71.8
4.2% 63 Pts
User Benchmarks Bench Normal Heavy Extreme
The fastest CPU (mainstream) averages a speed of 100%
N/A, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz
1-Core 35.8
2-Core 71.4
25% 53.6 Pts
4-Core 70.9
8-Core 70
10% 70.4 Pts
64-Core 71.7
5% 71.7 Pts
U2E1, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz, turbo 1.85 GHz (avg)
1-Core 36.2
2-Core 71.1
25% 53.7 Pts
4-Core 69.3
8-Core 69.5
9% 69.4 Pts
64-Core 71.2
5% 71.2 Pts
CPU, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz, turbo 1.85 GHz (avg)
1-Core 34.5
2-Core 66.3
24% 50.4 Pts
4-Core 62.2
8-Core 64
9% 63.1 Pts
64-Core 31.5
2% 31.5 Pts
CPU, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz
1-Core 32.2
2-Core 41.5
19% 36.8 Pts
4-Core 51.2
8-Core 53.6
7% 52.4 Pts
64-Core 65.6
4% 65.6 Pts
U2E1, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz
1-Core 23.7
2-Core 47.1
17% 35.4 Pts
4-Core 25
8-Core 50.2
5% 37.6 Pts
64-Core 63.1
4% 63.1 Pts
CPU, 1 CPU, 2 cores, 2 threads
Base clock 2 GHz
1-Core 18.7
2-Core 21.1
10% 19.9 Pts
4-Core 29.4
8-Core 49
5% 39.2 Pts
64-Core 62.7
4% 62.7 Pts
2,912 MORE »

 Market Share (See Leaders)

The number of benchmark samples for this model as a percentage of all 21,718,697 CPUs tested.


AmazonUS $9923 mins
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Typical Core2 Duo T6400 Builds (Compare 1,605 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) November 2019 CPU Rankings.

We calculate effective speed which measures real world performance for typical gamers and desktop users. Effective speed is adjusted by current prices to yield a value for money rating which is geared towards gamers. 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.


10 months ago.

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

1197 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

 Best User Rated

The Best.
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Intel Core i7-9700K $340Nvidia GTX 1660-Ti $260Samsung 860 Evo 250GB $49
Seagate Barracuda 1TB (2016) $39Corsair Vengeance LPX DDR4 3000 C15 2x8GB $65SanDisk Extreme 64GB $88
WD Blue 1TB (2012) $40G.SKILL Trident Z DDR4 3200 C14 4x16GB $612SanDisk Extreme 32GB $48
Seagate Barracuda 3TB (2016) $75Corsair Vengeance LPX DDR4 3200 C16 2x8GB $80SanDisk Ultra Fit 32GB $14
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