AMD A10-7800 Heterogeneous Processor Review: Benchmark | Overclocking| Pros & Cons

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AMD A10-7800 Heterogeneous Processor Review: Benchmark/ Testing/ Overclocking/ Pros & Cons: AMD has been developing central processors, which include a graphics core, for several years. All previous models of the “A” series were united by one common architecture…

AMD has been developing central processors that include a graphics core for several years. All previous models of the “A” series were united by one common architecture – under the cover of the case there were conditionally separated processor (CPU) and graphics (GPU) parts, and data transfer was carried out between computing units on a common bus.

Several previous generations were successfully finalized – the performance of the CPU cores increased, new graphics models were installed.This combination has both pros and cons. On the one hand, the speed of data exchange between the processor and the graphics core is significantly increased, the overall heat dissipation and power consumption are reduced, and on the other hand, there is a bottleneck in such a solution. Despite the common placement under the cover, the CPU and GPU were “separated” and communicated through the combined northbridge, which led to certain delays (Latency).

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At the beginning of 2014, a fundamentally new architecture was introduced, codenamed Kaveri, created using 28nm technology and HSA (Heterogeneous System Architecture).

The updated line is fundamentally different from its predecessors, since in the latest generation of APUs, the address space of coherent memory is used by all computing modules. But that’s not all, four CPU cores are essentially two Steamroller blocks that are optimized for parallel computing. 8 GCN (Graphics Core Next) computing units are used as GPU cores, the latest generation of R7/R9 series discrete video cards are implemented on the same units. The operating frequency of the processor is lower than previous generations A10 there is no L3 cache.

Only time will tell how much benefit from these innovations, but the manufacturer claims high speed in high-level languages ​​and models that use parallel computing, such as OpenCL, C ++, Phyton, Java and others. This review will focus on the processor AMDA10-7800which, unlike its older brother A10-7850K, does not have an unlocked multiplier and does not overclock.

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Test bench and temperature

  • Housing: Open stand
  • Processor: FM2+ A10-7800
  • Thermopaste: Arctic Cooling MX-4
  • CPU Cooling System:DEEPCOOL Gamma 200
  • Motherboard: FM2+ MSI A88XM-E35
  • RAM: DDR3 Geil Black Dragon PC3-17000 2x4gb CL10-11-11-30
  • Hard Disk:SATA-3 500Gb Toshiba 7200rpmCache 32MB
  • Power supply: Termaltake TR2 RX 1000W

The processor cover is perfectly flat, but despite the smoothed corners, the edge remains sharp. After applying the thermal interface and installing the cooling system, the subsequent removal is carried out only by shifting the cooler.

The system is assembled.

Characteristics of the processor and video card.

The performance of the graphics core is highly dependent on RAM, so the entire line of processors supports a relatively high memory frequency (2133 MHz). When using a slower memory, there is a slight drop in performance.

Heating testing was performed by Intel BurnTest v2.54

10 passes on Standard and High presets.

Judging by the above results, the processor remains “cold” despite the high load, which is extremely rare in real conditions.

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Synthetic tests

Produced by a set of popular benchmarks.

Aida64

CineBench 11.5

The test used the full power of the system to render photorealistic 3D scenes borrowed from the “No Keyframes” animation created by AixSponza. Various algorithms are used here, with the help of which it is possible to subject all available processor cores to a full load.

Graphic card performance (OpenGL).

This routine uses a complex 3D scene that, using the example of a car chase, measures the speed of your graphics card in OpenGL mode. Performance depends primarily on the graphics processing unit (GPU) of the system and the driver installed. The graphics card must display a large amount of geometry (nearly 1 million polygons) and textures, as well as a number of effects. Among the effects mentioned are environments, bump maps, transparency, lighting, and so on. The result is measured in frames per second (fps). The higher the score, the faster the graphics card.

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CineBench R15

The results in the new version are somewhat different, because. tests have been changed and optimized.

In the new version of the test, the calculation is not in points, as before, but in the number of frames.

3D mark 11

x264 Benchmark 5.064bit

PC Mark 8

Using the Home Accelerated 3.0 test as an example, the result of using OpenCL was obtained depending on the processor used. In this case, it is clearly seen how, when combined with the Steamroller cores modified for parallel computing and the integrated GPU, not only there is no increase in performance, but also a significant decrease in performance.

SiSoftware Sandra

The arithmetic test shows how the processor handles calculations and floating point operations. The multimedia test reflects the processor’s performance in processing multimedia instructions and data.

Game Application Testing

Crysis 3

In the shooter from Crytec, good results were shown by the gameplay at a resolution of 1600×900 and below.

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Assassin’s Creed 4

The application from the well-known company Ubisoft passed the test with rather low scores, but since the game is multi-platform, even such frame rates are quite acceptable.

Battlefield 4

The last part of the popular multiplayer game from EA and Dice showed excellent scores, apparently due to cooperation with AMD, this result was obtained with a network packet sending rate (Ping) equal to 100ms, with a decrease in this parameter, an increase in frames per second is possible.

Grid Autosport

The results of the motorsport simulator from Codemasters are quite high, this is also due to cross-platform and an emphasis on gameplay, and not on a stunning picture.

Conclusion

Despite all sorts of difficulties in creating something fundamentally new, AMD has chosen its own path. The new generation A10 processor can be a good basis for a home entertainment center, given the rather low heat dissipation and good performance in gaming applications. Rather mediocre results in synthetic tests show that the company still has work to do, but it is worth considering a fundamentally new architecture and process technology with rather great prospects. Someone may say that it is extremely large, but do not forget that the graphics card is included in the cost of the processor.

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Pros:

  • The ability to conduct a comfortable gaming process.
  • Low operating temperature.
  • Price.

Minuses:

  • For comfortable operation, more expensive memory with a high frequency is required.