Core 2 Duo T9900 vs Core 2 Duo E6700

VS

Aggregate performance score

Core 2 Duo E6700
2006
2 cores / 2 threads, 65 Watt
0.62
Core 2 Duo T9900
2009
2 cores / 2 threads, 35 Watt
0.75
+21%

Core 2 Duo T9900 outperforms Core 2 Duo E6700 by a significant 21% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo (Desktop) E6700 and Core 2 Duo T9900 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking27892668
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorLaptop
SeriesCore 2 Duo (Desktop)Intel Core 2 Duo
Power efficiency0.902.03
Architecture codenameConroe (2006−2007)Penryn (2008−2011)
Release dateno data2 June 2009 (15 years ago)
Launch price (MSRP)no data$530

Detailed specifications

Core 2 Duo (Desktop) E6700 and Core 2 Duo T9900 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)2 (Dual-core)
Threads22
Base clock speedno data3.06 GHz
Boost clock speed2.66 GHz0.07 GHz
Bus rate1066 MHz1066 MHz
L1 cache64 KB64 KB (per core)
L2 cache4 MB6 MB (shared)
L3 cache0 KB6 MB L2 Cache
Chip lithography65 nm45 nm
Die size143 mm2107 mm2
Maximum core temperatureno data105 °C
Number of transistors291 million410 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1.05V-1.2125V

Compatibility

Information on Core 2 Duo (Desktop) E6700 and Core 2 Duo T9900 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.

Number of CPUs in a configuration11
Socket775BGA479,PGA478
Power consumption (TDP)65 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo (Desktop) E6700 and Core 2 Duo T9900. You'll probably need this information if you require some particular technology.

Enhanced SpeedStep (EIST)++
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Demand Based Switchingno data-

Security technologies

Core 2 Duo (Desktop) E6700 and Core 2 Duo T9900 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo (Desktop) E6700 and Core 2 Duo T9900 are enumerated here.

VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo (Desktop) E6700 and Core 2 Duo T9900. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR2, DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Synthetic benchmark performance

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


Combined synthetic benchmark 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.

Core 2 Duo E6700 0.62
Core 2 Duo T9900 0.75
+21%

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.

Core 2 Duo E6700 990
Core 2 Duo T9900 1189
+20.1%

GeekBench 5 Single-Core

GeekBench 5 Single-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses only a single CPU core.

Core 2 Duo E6700 304
Core 2 Duo T9900 399
+31.3%

GeekBench 5 Multi-Core

GeekBench 5 Multi-Core is a cross-platform application developed in the form of CPU tests that independently recreate certain real-world tasks with which to accurately measure performance. This version uses all available CPU cores.

Core 2 Duo E6700 513
Core 2 Duo T9900 641
+25%

Cinebench 10 32-bit single-core

Cinebench R10 is an ancient ray tracing benchmark for processors by Maxon, authors of Cinema 4D. Its single core version uses just one CPU thread to render a futuristic looking motorcycle.

Core 2 Duo E6700 2710
Core 2 Duo T9900 3538
+30.5%

Cinebench 10 32-bit multi-core

Cinebench Release 10 Multi Core is a variant of Cinebench R10 using all the processor threads. Possible number of threads is limited by 16 in this version.

Core 2 Duo E6700 5110
Core 2 Duo T9900 7094
+38.8%

3DMark06 CPU

3DMark06 is a discontinued DirectX 9 benchmark suite from Futuremark. Its CPU part contains two scenarios, one dedicated to artificial intelligence pathfinding, another to game physics using PhysX package.

Core 2 Duo E6700 2354
Core 2 Duo T9900 2787
+18.4%

Gaming performance

Pros & cons summary


Performance score 0.62 0.75
Chip lithography 65 nm 45 nm
Power consumption (TDP) 65 Watt 35 Watt

Core 2 Duo T9900 has a 21% higher aggregate performance score, a 44.4% more advanced lithography process, and 85.7% lower power consumption.

The Core 2 Duo T9900 is our recommended choice as it beats the Core 2 Duo E6700 in performance tests.

Note that Core 2 Duo E6700 is a desktop processor while Core 2 Duo T9900 is a notebook one.


Should you still have questions on choice between Core 2 Duo E6700 and Core 2 Duo T9900, ask them in Comments section, and we shall answer.

Vote for your favorite

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


Intel Core 2 Duo E6700
Core 2 Duo E6700
Intel Core 2 Duo T9900
Core 2 Duo T9900

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.

Community ratings

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


3.2 82 votes

Rate Core 2 Duo E6700 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
4.3 136 votes

Rate Core 2 Duo T9900 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo E6700 or Core 2 Duo T9900, agree or disagree with our judgements, or report an error or mismatch.