Intel Pentium T3400 vs AMD Athlon X2 QL-66

Price now 5.99$
Games supported 30%
AMD Athlon X2 QL-66
AMD Athlon X2 QL-66
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Intel Pentium T3400
Intel Pentium T3400
  • Interface
  • Core clock speed
  • Max video memory
  • Memory type
  • Memory clock speed
  • Maximum resolution
Price now 169$
Games supported 34%

General info

Comparing Athlon X2 QL-66 and Pentium T3400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in performance rating26172609
Market segmentLaptopLaptop
Series2x AMD Athlonno data
Architecture codenameLion (2008−2009)no data
Release date1 September 2009 (13 years old)1 October 2008 (14 years old)
Current price$5.99 $169

Technical specs

Athlon X2 QL-66 and Pentium T3400 basic parameters such as number of cores, number of threads, base frequency and turbo boost clock, lithography, cache size and multiplier lock state. These parameters indirectly say of CPU speed, though for more precise assessment you have to consider their test results.

Physical cores2 (Dual-core)no data
Threads2no data
Base clock speedno data2.16 GHz
Boost clock speed2.2 GHzno data
Bus support3600 MHzno data
L1 cache256 KBno data
L2 cache1 MBno data
L3 cacheno data1 MB L2 Cache
Chip lithography65 nm65 nm
Maximum core temperature100 °C100 °C
64 bit support++
Windows 11 compatibility--
Unlocked multiplierno data-
VID voltage rangeno data1.075V-1.175V


Information on Athlon X2 QL-66 and Pentium T3400 compatibility with other computer components: motherboard (look for socket type), power supply unit (look for power consumption) etc. Useful when planning a future computer configuration or upgrading an existing one. Note that power consumption of some processors can well exceed their nominal TDP, even without overclocking. Some can even double their declared thermals given that the motherboard allows to tune the CPU power parameters.

Thermal design power (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Athlon X2 QL-66 and Pentium T3400. You'll probably need this information if you require some particular technology.

Instruction set extensionsMMX, SSE, SSE2, SSE3, Enhanced 3DNow!, NX bit, AMD64, PowerNow!, AMD Virtualizationno data
PowerNow+no data
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

Athlon X2 QL-66 and Pentium T3400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Athlon X2 QL-66 and Pentium T3400 are enumerated here.

VT-xno data-

Benchmark performance

Various benchmark results of the processors in comparison. Overall score is measured in points in 0-100 range, higher is better.

Overall score

This is our combined benchmark performance rating. We are regularly improving our combining algorithms, but if you find some perceived inconsistencies, feel free to speak up in comments section, we usually fix problems quickly.

Athlon X2 QL-66 0.51
Pentium T3400 0.52
  • Passmark


Passmark CPU Mark is a widespread benchmark, consisting of 8 different types of workload, including integer and floating point math, extended instructions, compression, encryption and physics calculation. There is also one separate single-threaded scenario measuring single-core performance.

Benchmark coverage: 67%

Athlon X2 QL-66 641
Pentium T3400 650

Pentium T3400 outperforms Athlon X2 QL-66 by 1% in Passmark.

Gaming performance

Advantages and disadvantages

Performance rating 0.51 0.52
Recency 1 September 2009 1 October 2008
Boost clock speed 2200 0

Technical City couldn't decide between

AMD Athlon X2 QL-66
Athlon X2 QL-66


Intel Pentium T3400
Pentium T3400

The differences in performance seem too small.

Should you still have questions on choice between Athlon X2 QL-66 and Pentium T3400, ask them in Comments section, and we shall answer.

Cast your vote

Do you think we are right or mistaken in our choice? Vote by clicking "Like" button near your favorite CPU.

Competitors of Athlon X2 QL-66 by Intel

We believe that the nearest equivalent to Athlon X2 QL-66 by Intel is Core 2 Duo T5600, which is nearly equal in speed and higher by 6 positions in our rating.

Intel Core 2 Duo T5600 Core 2 Duo T5600

Here are some closest Intel rivals to Athlon X2 QL-66:

Athlon X2 QL-66 100

Competitors of Pentium T3400 by AMD

We believe that the nearest equivalent to Pentium T3400 by AMD is A4-3320M, which is slower by 2% and lower by 10 positions in our rating.

AMD A4-3320M A4 3320M

Here are some closest AMD rivals to Pentium T3400:

Pentium T3400 100
A4-3320M 98.08

Similar processor comparisons

We picked several similar comparisons of processors in the same market segment and performance relatively close to those reviewed on this page.

User rating

Here you can see how users rate the processors, as well as rate them yourself.

4.4 16 votes

Rate AMD Athlon X2 QL-66 on a scale of 1 to 5:

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2.1 8 votes

Rate Intel Pentium T3400 on a scale of 1 to 5:

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Questions and comments

Here you can ask a question about Athlon X2 QL-66 or Pentium T3400, agree or disagree with our judgements, or report an error or mismatch.