Core 2 Quad Q9400 vs FX-8320

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Aggregate performance score

FX-8320
2012
8 cores / 8 threads, 125 Watt
3.43
+154%
Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.35

FX-8320 outperforms Core 2 Quad Q9400 by a whopping 154% based on our aggregate benchmark results.

Primary details

Comparing FX-8320 and Core 2 Quad Q9400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking15622256
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency2.601.34
Architecture codenameVishera (2012−2015)Yorkfield (2007−2009)
Release date23 October 2012 (12 years ago)August 2008 (16 years ago)

Detailed specifications

FX-8320 and Core 2 Quad Q9400 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 cores8 (Octa-Core)4 (Quad-Core)
Threads84
Base clock speed3.5 GHz2.66 GHz
Boost clock speed4 GHz2.67 GHz
Bus rateno data1333 MHz
L1 cacheno data64K (per core)
L2 cache8192 KB6 MB (shared)
L3 cacheno data0 KB
Chip lithography32 nm45 nm
Die size315 mm22x 81 mm2
Maximum core temperature61 °Cno data
Maximum case temperature (TCase)no data71 °C
Number of transistors1,200 million456 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier+-
P0 Vcore voltageMin: 1.2 V - Max: 1.4 Vno data
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on FX-8320 and Core 2 Quad Q9400 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
SocketAM3+LGA775
Power consumption (TDP)125 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by FX-8320 and Core 2 Quad Q9400. You'll probably need this information if you require some particular technology.

AES-NI+-
FMA+-
AVX+-
Enhanced SpeedStep (EIST)no data+
Turbo Boost Technologyno data-
Hyper-Threading Technologyno data-
Idle Statesno data+
Thermal Monitoring-+
Demand Based Switchingno data-
FSB parityno data-

Security technologies

FX-8320 and Core 2 Quad Q9400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data+
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by FX-8320 and Core 2 Quad Q9400 are enumerated here.

AMD-V+-
VT-dno data+
VT-xno data+

Memory specs

Types, maximum amount and channel quantity of RAM supported by FX-8320 and Core 2 Quad Q9400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3DDR1, DDR2, DDR3

Peripherals

Specifications and connection of peripherals supported by FX-8320 and Core 2 Quad Q9400.

PCIe versionn/ano 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.

FX-8320 3.43
+154%
Core 2 Quad Q9400 1.35

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.

FX-8320 5441
+154%
Core 2 Quad Q9400 2138

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.

FX-8320 460
+37.7%
Core 2 Quad Q9400 334

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.

FX-8320 1809
+95.6%
Core 2 Quad Q9400 925

3DMark Fire Strike Physics

FX-8320 6460
+50.9%
Core 2 Quad Q9400 4280

Gaming performance

Pros & cons summary


Performance score 3.43 1.35
Physical cores 8 4
Threads 8 4
Chip lithography 32 nm 45 nm
Power consumption (TDP) 125 Watt 95 Watt

FX-8320 has a 154.1% higher aggregate performance score, 100% more physical cores and 100% more threads, and a 40.6% more advanced lithography process.

Core 2 Quad Q9400, on the other hand, has 31.6% lower power consumption.

The FX-8320 is our recommended choice as it beats the Core 2 Quad Q9400 in performance tests.


Should you still have questions on choice between FX-8320 and Core 2 Quad Q9400, ask them in Comments section, and we shall answer.

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AMD FX-8320
FX-8320
Intel Core 2 Quad Q9400
Core 2 Quad Q9400

Similar processor comparisons

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Community ratings

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


4.2 1425 votes

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4.3 1573 votes

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Questions & comments

Here you can ask a question about FX-8320 or Core 2 Quad Q9400, agree or disagree with our judgements, or report an error or mismatch.