A9-9420 vs Core 2 Duo T9900

VS

Aggregate performance score

Core 2 Duo T9900
2009
2 cores / 2 threads, 35 Watt
0.75
A9-9420
2016
2 cores / 2 threads, 15 Watt
0.94
+25.3%

A9-9420 outperforms Core 2 Duo T9900 by a significant 25% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Duo T9900 and A9-9420 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking26532507
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesIntel Core 2 DuoAMD Bristol Ridge
Power efficiency2.035.93
Architecture codenamePenryn (2008−2011)Stoney Ridge (2016−2019)
Release date2 June 2009 (15 years ago)31 May 2016 (8 years ago)
Launch price (MSRP)$530no data

Detailed specifications

Core 2 Duo T9900 and A9-9420 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 speed3.06 GHz3 GHz
Boost clock speed0.07 GHz3.6 GHz
Bus rate1066 MHzno data
L1 cache64 KB (per core)160 KB
L2 cache6 MB (shared)1 MB (shared)
L3 cache6 MB L2 Cacheno data
Chip lithography45 nm28 nm
Die size107 mm2125 mm2
Maximum core temperature105 °C90 °C
Maximum case temperature (TCase)no data74 °C
Number of transistors410 million1,200 million
64 bit support++
Windows 11 compatibility--
VID voltage range1.05V-1.2125Vno data

Compatibility

Information on Core 2 Duo T9900 and A9-9420 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
SocketBGA479,PGA478FT4
Power consumption (TDP)35 Watt15 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Duo T9900 and A9-9420. You'll probably need this information if you require some particular technology.

Instruction set extensionsno dataVirtualization,
AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Demand Based Switching-no data

Security technologies

Core 2 Duo T9900 and A9-9420 technologies aimed at improving security, for example, by protecting against hacks.

TXT+no data
EDB+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Duo T9900 and A9-9420 are enumerated here.

AMD-V-+
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Duo T9900 and A9-9420. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR2, DDR3DDR4

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardOn certain motherboards (Chipset feature)Radeon R5

Peripherals

Specifications and connection of peripherals supported by Core 2 Duo T9900 and A9-9420.

PCIe versionno data3.0
PCI Express lanesno data8

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 T9900 0.75
A9-9420 0.94
+25.3%

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 T9900 1189
A9-9420 1498
+26%

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 T9900 398
+22.5%
A9-9420 325

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 T9900 638
+27.6%
A9-9420 500

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 T9900 3538
+23%
A9-9420 2875

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 T9900 7094
+46.5%
A9-9420 4841

wPrime 32

wPrime 32M is a math multi-thread processor test, which calculates square roots of first 32 million integer numbers. Its result is measured in seconds, so that the less is benchmark result, the faster the processor.

Core 2 Duo T9900 25.1
A9-9420 21.29
+17.9%

Gaming performance

Pros & cons summary


Performance score 0.75 0.94
Recency 2 June 2009 31 May 2016
Chip lithography 45 nm 28 nm
Power consumption (TDP) 35 Watt 15 Watt

A9-9420 has a 25.3% higher aggregate performance score, an age advantage of 6 years, a 60.7% more advanced lithography process, and 133.3% lower power consumption.

The A9-9420 is our recommended choice as it beats the Core 2 Duo T9900 in performance tests.


Should you still have questions on choice between Core 2 Duo T9900 and A9-9420, 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 T9900
Core 2 Duo T9900
AMD A9-9420
A9-9420

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.


4.3 136 votes

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

  • 1
  • 2
  • 3
  • 4
  • 5
2.8 511 votes

Rate A9-9420 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Duo T9900 or A9-9420, agree or disagree with our judgements, or report an error or mismatch.