Core 2 Duo T6400 vs A6-3420M

VS

Aggregate performance score

A6-3420M
2011
4 cores / 4 threads, 35 Watt
0.81
+76.1%
Core 2 Duo T6400
2009
2 cores / 2 threads, 35 Watt
0.46

A6-3420M outperforms Core 2 Duo T6400 by an impressive 76% based on our aggregate benchmark results.

Primary details

Comparing A6-3420M and Core 2 Duo T6400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking25972933
Place by popularitynot in top-100not in top-100
Market segmentLaptopLaptop
SeriesAMD A-SeriesIntel Core 2 Duo
Power efficiency2.191.24
Architecture codenameLlano (2011−2012)Penryn (2008−2011)
Release date20 December 2011 (12 years ago)1 January 2009 (15 years ago)

Detailed specifications

A6-3420M and Core 2 Duo T6400 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 cores4 (Quad-Core)2 (Dual-core)
Threads42
Base clock speed1.5 GHz2 GHz
Boost clock speed2.4 GHz2 GHz
Bus rateno data800 MHz
L1 cache128 KB (per core)no data
L2 cache1 MB (per core)2 MB
L3 cache0 KB2 MB L2 Cache
Chip lithography32 nm45 nm
Die size228 mm2no data
Maximum core temperatureno data105 °C
Number of transistors1,178 millionno data
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data1V-1.25V

Compatibility

Information on A6-3420M and Core 2 Duo T6400 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 configuration1no data
SocketFS1PGA478
Power consumption (TDP)35 Watt35 Watt

Technologies and extensions

Technological solutions and additional instructions supported by A6-3420M and Core 2 Duo T6400. You'll probably need this information if you require some particular technology.

Instruction set extensions3DNow!, MMX, SSE, SSE2, SSE3, SSE4a, Radeon HD 6480Gno data
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Demand Based Switchingno data-

Security technologies

A6-3420M and Core 2 Duo T6400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by A6-3420M and Core 2 Duo T6400 are enumerated here.

AMD-V+-
VT-xno data-

Memory specs

Types, maximum amount and channel quantity of RAM supported by A6-3420M and Core 2 Duo T6400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon HD 6520G (400 MHz)no data

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.

A6-3420M 0.81
+76.1%
Core 2 Duo T6400 0.46

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.

A6-3420M 1293
+77.9%
Core 2 Duo T6400 727

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.

A6-3420M 239
+2.6%
Core 2 Duo T6400 233

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.

A6-3420M 625
+72.2%
Core 2 Duo T6400 363

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.

A6-3420M 1673
Core 2 Duo T6400 2115
+26.4%

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.

A6-3420M 5399
+34.8%
Core 2 Duo T6400 4005

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.

A6-3420M 2305
+30.4%
Core 2 Duo T6400 1768

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.

A6-3420M 23.64
+66.8%
Core 2 Duo T6400 39.42

Gaming performance

Pros & cons summary


Performance score 0.81 0.46
Recency 20 December 2011 1 January 2009
Physical cores 4 2
Threads 4 2
Chip lithography 32 nm 45 nm

A6-3420M has a 76.1% higher aggregate performance score, an age advantage of 2 years, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.

The A6-3420M is our recommended choice as it beats the Core 2 Duo T6400 in performance tests.


Should you still have questions on choice between A6-3420M and Core 2 Duo T6400, 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.


AMD A6-3420M
A6-3420M
Intel Core 2 Duo T6400
Core 2 Duo T6400

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.


3.6 196 votes

Rate A6-3420M on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3 88 votes

Rate Core 2 Duo T6400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about A6-3420M or Core 2 Duo T6400, agree or disagree with our judgements, or report an error or mismatch.