A6 PRO-7400B vs Core 2 Quad Q9550

VS

Aggregate performance score

Core 2 Quad Q9550
2008
4 cores / 4 threads, 95 Watt
1.47
+42.7%
A6 PRO-7400B
2014
2 cores / 2 threads, 65 Watt
1.03

Core 2 Quad Q9550 outperforms A6 PRO-7400B by a considerable 43% based on our aggregate benchmark results.

Primary details

Comparing Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking21702452
Place by popularitynot in top-100not in top-100
Market segmentDesktop processorDesktop processor
SeriesCore 2 Quad (Desktop)no data
Power efficiency1.461.50
Architecture codenameYorkfield (2007−2009)Kaveri (2014−2015)
Release dateno data31 July 2014 (10 years ago)

Detailed specifications

Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B 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 speedno data3.5 GHz
Boost clock speed2.83 GHz3.9 GHz
Bus rate1333 MHzno data
L1 cache64K (per core)no data
L2 cache12288 KB1024 KB
L3 cache0 KBno data
Chip lithography45 nm28 nm
Die size2x 107 mm2245 mm2
Maximum core temperatureno data70 °C
Maximum case temperature (TCase)71 °C72 °C
Number of transistors820 million2,411 million
64 bit support++
Windows 11 compatibility-no data

Compatibility

Information on Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B 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
SocketLGA775FM2+
Power consumption (TDP)95 Watt65 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B. You'll probably need this information if you require some particular technology.

AES-NI-+
FMA-+
AVX-+
PowerTune-+
DualGraphics-+
TrueAudio-+
PowerNow-+
PowerGating-+
Out-of-band client management-+
VirusProtect-+
RAID-+
HSA-+
Enhanced SpeedStep (EIST)+no data

Virtualization technologies

Virtual machine speed-up technologies supported by Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B are enumerated here.

AMD-V-+
IOMMU 2.0-+

Memory specs

Types, maximum amount and channel quantity of RAM supported by Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR1,DDR2,DDR3DDR3-1866
Max memory channelsno data2

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardno dataAMD Radeon R5 Graphics
iGPU core countno data4
จำนวนพาธไลน์no data256
UVD-+
VCE-+

Graphics interfaces

Available interfaces and connections of Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B integrated GPUs.

DisplayPort-+
HDMI-+

Graphics API support

APIs supported by Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B integrated GPUs, sometimes API versions are included.

DirectXno dataDirectX® 12

Peripherals

Specifications and connection of peripherals supported by Core 2 Quad (Desktop) Q9550 and A6 PRO-7400B.

PCIe versionno data3.0
PCI Express lanesno data16

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 Q9550 1.47
+42.7%
A6 PRO-7400B 1.03

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 Q9550 2338
+42.6%
A6 PRO-7400B 1640

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 Q9550 370
A6 PRO-7400B 432
+16.8%

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 Q9550 1038
+47.9%
A6 PRO-7400B 702

Gaming performance

Pros & cons summary


Performance score 1.47 1.03
Physical cores 4 2
Threads 4 2
Chip lithography 45 nm 28 nm
Power consumption (TDP) 95 Watt 65 Watt

Core 2 Quad Q9550 has a 42.7% higher aggregate performance score, and 100% more physical cores and 100% more threads.

A6 PRO-7400B, on the other hand, has a 60.7% more advanced lithography process, and 46.2% lower power consumption.

The Core 2 Quad Q9550 is our recommended choice as it beats the A6 PRO-7400B in performance tests.


Should you still have questions on choice between Core 2 Quad Q9550 and A6 PRO-7400B, 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 Q9550
Core 2 Quad Q9550
AMD A6 PRO-7400B
A6 PRO-7400B

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.


4.1 1877 votes

Rate Core 2 Quad Q9550 on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5
2.6 18 votes

Rate A6 PRO-7400B on a scale of 1 to 5:

  • 1
  • 2
  • 3
  • 4
  • 5

Questions & comments

Here you can ask a question about Core 2 Quad Q9550 or A6 PRO-7400B, agree or disagree with our judgements, or report an error or mismatch.