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AMD A10-7850K

AMD A10-7850K

The AMD A10-7850K is the top model of the desktop Kaveri line-up at the begin of 2014. It is a quad-core processor that integrates two Steamroller modules with four integer cores and two FPU cores. The integrated AMD Radeon R7 graphics card integrates 512 cores (8 computes cores) and can be used seamlessly with the CPU thanks to HSA. As Richtland, Kaveri supports DDR3-2133 main memory. The fast GPU however needs fast RAM and profits from overclocked (2400) dual-rank memory configurations.

The processor performance of the A10-7850K is similar the Richland predecessor A10-6800K and therefore on par with Haswell-based Core i3 CPUs.

The TDP of the desktop APU is specified at 95 Watt and therefore 5 Watt below the Richland top models.

Test system: Asus A88XM-PLUS, 16 GB DDR3-2133 AMD Gamer RAM

SeriesAMD A-Series (Desktop)
CodenameKaveri

Series: A-Series (Desktop) Kaveri

AMD A10-7850K « 3.7 - 4 GHz4 / 4 cores
AMD A10-7700K compare3.4 - 3.8 GHz4 / 4 cores
AMD A8-7650K compare3.3 - 3.8 GHz4 / 4 cores
Clock Rate3700 - 4000 MHz
Level 1 Cache256 KB
Level 2 Cache4 MB
Number of Cores / Threads4 / 4
Power Consumption (TDP = Thermal Design Power)95 Watt
Transistor Count2410 Million
Manufacturing Technology28 nm
Die Size245 mm2
Max. Temperature72.4 °C
SocketFM2+
FeaturesSSE1-4A, AVX, FM4A, VT
GPUAMD Radeon R7 512 Cores (Kaveri Desktop) (720 MHz)
64 Bit64 Bit support
Architecturex86
Starting Price$173 U.S.
Announcement Date01/14/2014

Benchmarks

Cinebench R10 - Cinebench R10 Rend. Multi (32bit)
10278 points (7%)
wPrime 2.10 - wPrime 2.0 1024m *
416 s (5%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
18.1 s (4%)
Power Consumption - Cinebench R15 Multi Power Consumption - external Monitor *
93.2 Watt (17%)
Power Consumption - Cinebench R15 Multi Power Efficiency - external Monitor
3.4 Points per Watt (3%)
- Range of benchmark values for this graphics card
- Average benchmark values for this graphics card
* Smaller numbers mean a higher performance

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Video Decoder UVD4

We testet the integrated UVC 4 video decoder with the current Catalyst 14.4RC1 driver on a AMD A10-7850K. The 1080p "Big Buck Bunny" video was running fluently with nearly no CPU load. The DXVAChecker benchmark showed the clip at 59 fps and 2 % CPU load (15 % GPU load). Our 100 Mbit 4K MP4 however was not supported by the decoder and therefore had to be played back using the CPU cores. This lead to a slightly choppy playback and a benchmark result of 26 fps at 97 % CPU load.

DXVAChecker shows no 4K support using Catalyst 14.4RC1
DXVAChecker shows no 4K support using Catalyst 14.4RC1
1080p Big Buck Bunny decoded using DXVA
1080p Big Buck Bunny decoded using DXVA
No fitting DXVA hook for our 4k test video leading to a high CPU load
No fitting DXVA hook for our 4k test video leading to a high CPU load
According to AMD these video formats are supported by the UVD4
According to AMD these video formats are supported by the UVD4
A 4K Youtube video could be played back fluently but at high CPU load
A 4K Youtube video could be played back fluently but at high CPU load

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Other CPUs of the series A-Series (Desktop)

» AMD A10-6800K
   4x 4.1 GHz - 4.4 GHz
» AMD A10-7850K
   4x 3.7 GHz - 4 GHz
» AMD A10-7700K
   4x 3.4 GHz - 3.8 GHz
» AMD A8-7650K
   4x 3.3 GHz - 3.8 GHz
» AMD A8-6600K
   4x 3.9 GHz - 4.2 GHz
» AMD A10-5800K
   4x 3.8 GHz - 4.2 GHz
» AMD A8-5600K
   4x 3.6 GHz - 3.9 GHz
» AMD A8-3850
   4x 2.9 GHz
» AMD A6-6400K
   2x 3.9 GHz - 4.1 GHz
» AMD A4-5300
   2x 3.4 GHz - 3.6 GHz

Surrounding CPUs

+ Intel Core i7-920
   4x 2.66 GHz - 2.93 GHz
+ Intel Core i5-750
   4x 2.66 GHz - 3.2 GHz
+ Intel Core 2 Extreme (Desktop) QX6850
   4x 3 GHz
+ AMD A10-6800K
   4x 4.1 GHz - 4.4 GHz
+ Intel Core 2 Quad (Desktop) Q9550
   4x 2.83 GHz
» AMD A10-7850K
   4x 3.7 GHz - 4 GHz
- AMD A10-7700K
   4x 3.4 GHz - 3.8 GHz
- AMD A8-7650K
   4x 3.3 GHz - 3.8 GHz
- Intel Core i3-3220
   2x 3.3 GHz
- AMD A8-6600K
   4x 3.9 GHz - 4.2 GHz
- AMD A10-5800K
   4x 3.8 GHz - 4.2 GHz
> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > Benchmarks / Tech > Notebook Processors > AMD A-Series A10-7850K APU (Desktop)
Klaus Hinum (Update: 2017-09- 5)