Core 2 Quad Q8400 vs Pro A8-8600B

VS

Aggregate performance score

Pro A8-8600B
2015
4 cores / 4 threads, 12 Watt
1.38
+6.2%
Core 2 Quad Q8400
2009
4 cores / 4 threads, 95 Watt
1.30

Pro A8-8600B outperforms Core 2 Quad Q8400 by a small 6% based on our aggregate benchmark results.

Primary details

Comparing Pro A8-8600B and Core 2 Quad Q8400 processor market type (desktop or notebook), architecture, sales start time and price.

Place in the ranking22352281
Place by popularitynot in top-100not in top-100
Market segmentLaptopDesktop processor
SeriesAMD Carrizono data
Power efficiency3.731.29
Architecture codenameCarrizo (2015−2018)Yorkfield (2007−2009)
Release date3 June 2015 (9 years ago)19 April 2009 (15 years ago)

Detailed specifications

Pro A8-8600B and Core 2 Quad Q8400 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 speed1.6 GHz2.66 GHz
Boost clock speed3 GHz0.67 GHz
Bus rateno data1333 MHz
L1 cacheno data64 KB (per core)
L2 cache2048 KB4 MB (shared)
L3 cacheno data0 KB
Chip lithography28 nm45 nm
Die sizeno data2x 82 mm2
Maximum case temperature (TCase)no data71 °C
Number of transistors3100 Million456 million
64 bit support++
Windows 11 compatibility--
VID voltage rangeno data0.85V-1.3625V

Compatibility

Information on Pro A8-8600B and Core 2 Quad Q8400 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 configurationno data1
SocketFP4FCLGA775,LGA775
Power consumption (TDP)12-35 Watt95 Watt

Technologies and extensions

Technological solutions and additional instructions supported by Pro A8-8600B and Core 2 Quad Q8400. You'll probably need this information if you require some particular technology.

Instruction set extensionsHSA 1.0no data
AES-NI+-
FMAFMA4-
AVXAVX-
FRTC+-
FreeSync+-
TrueAudio+-
PowerNow+-
PowerGating+-
Out-of-band client management+-
VirusProtect+-
RAID+-
HSA+-
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

Pro A8-8600B and Core 2 Quad Q8400 technologies aimed at improving security, for example, by protecting against hacks.

TXTno data-
EDBno data+

Virtualization technologies

Virtual machine speed-up technologies supported by Pro A8-8600B and Core 2 Quad Q8400 are enumerated here.

AMD-V+-
VT-xno data+
IOMMU 2.0+-

Memory specs

Types, maximum amount and channel quantity of RAM supported by Pro A8-8600B and Core 2 Quad Q8400. Depending on the motherboard, higher memory frequencies may be supported.

Supported memory typesDDR3/DDR3L-2133DDR1, DDR2, DDR3
Max memory channels2no data

Graphics specifications

General parameters of integrated GPUs, if any.

Integrated graphics cardAMD Radeon R6 GraphicsOn certain motherboards (Chipset feature)
iGPU core count6no data
จำนวนพาธไลน์384no data
Enduro+-
Switchable graphics+-
UVD+-
VCE+-

Graphics interfaces

Available interfaces and connections of Pro A8-8600B and Core 2 Quad Q8400 integrated GPUs.

DisplayPort+-
HDMI+-

Graphics API support

APIs supported by Pro A8-8600B and Core 2 Quad Q8400 integrated GPUs, sometimes API versions are included.

DirectXDirectX® 12no data
Vulkan+-

Peripherals

Specifications and connection of peripherals supported by Pro A8-8600B and Core 2 Quad Q8400.

PCIe version3.02.0

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.

Pro A8-8600B 1.38
+6.2%
Core 2 Quad Q8400 1.30

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.

Pro A8-8600B 2190
+5.9%
Core 2 Quad Q8400 2068

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.

Pro A8-8600B 440
+34.1%
Core 2 Quad Q8400 328

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.

Pro A8-8600B 1011
+12.7%
Core 2 Quad Q8400 897

Gaming performance

Pros & cons summary


Performance score 1.38 1.30
Recency 3 June 2015 19 April 2009
Chip lithography 28 nm 45 nm
Power consumption (TDP) 12 Watt 95 Watt

Pro A8-8600B has a 6.2% higher aggregate performance score, an age advantage of 6 years, a 60.7% more advanced lithography process, and 691.7% lower power consumption.

Given the minimal performance differences, no clear winner can be declared between Pro A8-8600B and Core 2 Quad Q8400.

Be aware that Pro A8-8600B is a notebook processor while Core 2 Quad Q8400 is a desktop one.


Should you still have questions on choice between Pro A8-8600B and Core 2 Quad Q8400, ask them in Comments section, and we shall answer.

Vote for your favorite

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AMD Pro A8-8600B
Pro A8-8600B
Intel Core 2 Quad Q8400
Core 2 Quad Q8400

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Community ratings

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


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Questions & comments

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