FX-4350 vs Core 2 Quad Q9400

VS

Aggregate performance score

Core 2 Quad Q9400
2008
4 cores / 4 threads, 95 Watt
1.35
FX-4350
2013
4 cores / 4 threads, 125 Watt
2.09
+54.8%

FX-4350 outperforms Core 2 Quad Q9400 by an impressive 55% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad Q9400 and FX-4350 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22561888
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
Power efficiency1.341.58
Architecture codenameYorkfield (2007−2009)Vishera (2012−2015)
Release dateAugust 2008 (16 years ago)29 April 2013 (11 years ago)

Detailed specifications

Core 2 Quad Q9400 and FX-4350 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)4 (Quad-Core)
Threads44
Base clock speed2.66 GHz4.2 GHz
Boost clock speed2.67 GHz4.3 GHz
Bus rate1333 MHzno data
L1 cache64K (per core)no data
L2 cache6 MB (shared)4096 KB
L3 cache0 KBno data
Chip lithography45 nm32 nm
Die size2x 81 mm2315 mm2
Maximum core temperatureno data61 °C
Maximum case temperature (TCase)71 °Cno data
Number of transistors456 million1,200 million
64 bit support++
Windows 11 compatibility--
Unlocked multiplier-+
P0 Vcore voltageno dataMin: 1.275 V - Max: 1.4 V
VID voltage range0.85V-1.3625Vno data

Compatibility

Information on Core 2 Quad Q9400 and FX-4350 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
SocketLGA775AM3+
Power consumption (TDP)95 Watt125 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad Q9400 and FX-4350. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+
Enhanced SpeedStep (EIST)+no data
Turbo Boost Technology-no data
Hyper-Threading Technology-no data
Idle States+no data
Thermal Monitoring+-
Demand Based Switching-no data
FSB parity-no data

Security technologies

Core 2 Quad Q9400 and FX-4350 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 Quad Q9400 and FX-4350 are enumerated here.

AMD-V-+
VT-d+no data
VT-x+no data

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad Q9400 and FX-4350. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1, DDR2, DDR3DDR3

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataOn certain motherboards (Chipset feature)

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad Q9400 and FX-4350.

PCIe versionno datan/a

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 Quad Q9400 1.35
FX-4350 2.09
+54.8%

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 Quad Q9400 2138
FX-4350 3321
+55.3%

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 Quad Q9400 334
FX-4350 444
+32.9%

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 Quad Q9400 925
FX-4350 1107
+19.7%

3DMark Fire Strike Physics

Core 2 Quad Q9400 4280
FX-4350 4620
+7.9%

Gaming performance

Pros & cons summary


Performance score 1.35 2.09
Chip lithography 45 nm 32 nm
Power consumption (TDP) 95 Watt 125 Watt

Core 2 Quad Q9400 has 31.6% lower power consumption.

FX-4350, on the other hand, has a 54.8% higher aggregate performance score, and a 40.6% more advanced lithography process.

The FX-4350 is our recommended choice as it beats the Core 2 Quad Q9400 in performance tests.


Should you still have questions on choice between Core 2 Quad Q9400 and FX-4350, 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 Quad Q9400
Core 2 Quad Q9400
AMD FX-4350
FX-4350

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 1573 votes

Rate Core 2 Quad Q9400 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
3.8 550 votes

Rate FX-4350 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q9400 or FX-4350, agree or disagree with our judgements, or report an error or mismatch.