Yoyotech Piranha A866se review

Price when reviewed

We’ve seen netbooks and low-power laptops using AMD’s Llano chips, but the Yoyotech Piranha A866se marks the first appearance in the PC Pro Labs of one of these accelerated processing units, or APUs, in a desktop PC.

Yoyotech has chosen AMD’s 2.9GHz A8-3850 processor, and has boosted its speed with a small overclock to 3.15GHz. An overall benchmark score of 0.71 is slightly better than the 0.67 we’ve previously recorded from the same chip at stock speed.

However, Llano’s application performance looks weak next to similarly priced rivals: it’s behind the Phenom processor of the £599 inc VAT Yoyotech Dragon F-58, which scored 0.8, and miles behind the Core i5-equipped Palicomp Phoenix i5 Destiny, which scored 1.1 for its £650 price. Raw performance is not Llano’s strong point.

Yoyotech Piranha A866se

Far better is the graphical side of things, and that’s because the onboard chip has some help. The big plus for Llano is its ability to use integrated chips and discrete graphics cards in tandem, and here the modest power of the integrated Radeon HD 6550D is boosted by a mid-range Radeon HD 6670 graphics card. It works well, as demonstrated by our Crysis tests.

The A8-3850 working on its own averaged a perfectly good 34fps in our Medium quality test at 1,366 x 768, and after enabling both chips in CrossFireX that rose to an impressive 56fps. That teamwork of cores also lifts this AMD system to higher settings and resolutions: our High quality test at 1,920 x 1,080 completed at 37fps with both cores, and scored 25fps when we upped the quality to Very High.

That puts it right between its two recent price rivals. The Palicomp, with its Radeon HD 5670, scored just 25fps in the High quality test, while the Yoyotech Dragon F-58 scored 38fps in the Very High benchmark thanks to its Radeon HD 5850.


Warranty 1 yr return to base

Basic specifications

Total hard disk capacity 1,000GB
RAM capacity 4.00GB


CPU family AMD A8
CPU nominal frequency 2.90GHz
CPU overclocked frequency 3.15GHz
Processor socket FM1
HSF (heatsink-fan) Arctic Cooling Freezer 7 Pro Rev. 2


Motherboard Asus F1A75-M LE
Motherboard chipset AMD A75
Conventional PCI slots free 1
Conventional PCI slots total 2
PCI-E x16 slots free 0
PCI-E x16 slots total 1
PCI-E x8 slots free 0
PCI-E x8 slots total 0
PCI-E x4 slots free 0
PCI-E x4 slots total 0
PCI-E x1 slots free 1
PCI-E x1 slots total 1
Internal SATA connectors 5
Wired adapter speed 1,000Mbits/sec


Memory type DDR3
Memory sockets free 2
Memory sockets total 4

Graphics card

Graphics card AMD Radeon HD 6670
Multiple SLI/CrossFire cards? yes
3D performance setting Low
Graphics chipset AMD Radeon HD 6670
DVI-I outputs 3
HDMI outputs 1
VGA (D-SUB) outputs 2
DisplayPort outputs 0
Number of graphics cards 2

Hard disk

Capacity 1.00TB
Hard disk usable capacity 931GB
Internal disk interface SATA/300
Spindle speed 7,200RPM
Hard disk 2 make and model N/A
Hard disk 2 nominal capacity N/A
Hard disk 2 formatted capacity N/A
Hard disk 2 spindle speed N/A
Hard disk 2 cache size N/A
Hard disk 3 make and model N/A
Hard disk 3 nominal capacity N/A
Hard disk 4 make and model N/A
Hard disk 4 nominal capacity N/A


Optical disc technology DVD writer

Additional Peripherals

Sound card Realtek HD Audio


Chassis Gigabyte GZ-X7
Case format Full tower
Dimensions 185 x 485 x 410mm (WDH)

Free drive bays

Free front panel 5.25in bays 3

Rear ports

USB ports (downstream) 6
PS/2 mouse port yes
Electrical S/PDIF audio ports 0
Optical S/PDIF audio output ports 0
Modem no
3.5mm audio jacks 5

Front ports

Front panel USB ports 2
Front panel memory card reader no

Operating system and software

OS family Windows 7

Noise and power

Idle power consumption 59W
Peak power consumption 203W

Performance tests

3D performance (crysis) low settings 99fps
3D performance setting Low
Overall Real World Benchmark score 0.71
Responsiveness score 0.86
Media score 0.66
Multitasking score 0.61

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