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AMD A4-9120

AMD A4-9120

The AMD A4-9120 is an entry-level chip from the Stoney-Ridge APU series for notebooks (7th APU generation), which was announced mid 2017. At its launch, the A4-9210 is a mid-range Stoney Ridge processor (dual-core version of Bristol Ridge) and integrates two CPU cores (one Excavator module with 2 integer and on FP unit) clocked between 2.2 - 2.5 GHz. It also includes a Radeon R3 GPU with 128 shaders at 655 MHz, as well as a single-channel DDR4-2133 memory controller, H.265 video engine and chipset with all I/O ports.

Architecture

Stoney Ridge is the successor of the Carrizo architecture and the design is almost identical. Thanks to optimized manufacturing processes and more aggressive Boost behavior, however, the clocks are a bit higher at the same power consumption. The memory controller now also supports DDR4-RAM, in this case up to 2133 MHz. Stoney Ridge is the designation for the smaller dual-core and single-core chip, while Bristol Ridge is the bigger quad-core chip with dual-channel memory controller. More technical details are available in the following articles:

Performance

Because of the significantly lower clock range, the A4-9120 should be noticeably slower than the A6-9210 or A9-9410.

Graphics Card

The integrated Radeon R2 (Stoney Ridge) GPU offers only 2 CUs (=128 shaders) and a core clock of 655 MHz. More details about the GPU are available in the linked articles above. 

Power Consumption

AMD specifies the TDP of the A4-9120 with 15 Watts, but it can be configured between 10-15 Watts. This means the APU is a good choice for thin and light notebooks.

SeriesAMD Bristol Ridge
CodenameStoney Ridge

Series: Bristol Ridge Stoney Ridge

AMD A9-9425 compare3.1 - 3.7 GHz2 / 2 cores
AMD A9-9420e compare - 2.5 GHz2 / 2 cores
AMD A9-9420 compare3 - 3.6 GHz2 / 2 cores
AMD A9-9410 compare2.9 - 3.5 GHz2 / 2 cores
AMD A6-9225 compare2.6 - 3.1 GHz2 / 2 cores
AMD A6-9220 compare2.5 - 2.9 GHz2 / 2 cores
AMD A6-9220C compare1.8 - 2.7 GHz2 / 2 cores
AMD A6-9210 compare2.4 - 2.8 GHz2 / 2 cores
AMD A4-9120 « 2.2 - 2.5 GHz2 / 2 cores
AMD A4-9120C compare1.6 - 2.4 GHz2 / 2 cores
AMD E2-9010 compare2 - 2.2 GHz2 / 2 cores
AMD E2-9000 compare1.8 - 2.2 GHz2 / 2 cores
AMD A6-9220e compare1.6 - 2.4 GHz2 / 2 cores
Clock Rate2200 - 2500 MHz
Level 1 Cache160 KB
Level 2 Cache1 MB
Number of Cores / Threads2 / 2
Power Consumption (TDP = Thermal Design Power)10-15 Watt
Transistor Count1200 Million
Manufacturing Technology28 nm
Die Size124.5 mm2
Max. Temperature90 °C
SocketBGA
FeaturesSingle-Channel DDR4-2133, Virtualization,
GPUAMD Radeon R2 (Stoney Ridge) ( - 655 MHz)
64 Bit64 Bit support
Architecturex86
Announcement Date06/01/2017
Product Link (external)products.amd.com

Benchmarks

- 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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Reviews for the AMD A4-9120 processor

HP Chromebook 14-db0410nd: AMD Radeon R2 (Stoney Ridge), 14.00", 1.6 kg
  External Review » HP Chromebook 14-db0410nd

HP Chromebook 14-db0411nd: AMD Radeon R2 (Stoney Ridge), 14.00", 1.6 kg
  External Review » HP Chromebook 14-db0411nd

Acer Aspire 3 A315-21-4098: AMD Radeon R3 (Mullins/Beema), 15.60", 2.1 kg
  External Review » Acer Aspire 3 A315-21-4098

HP 15-bw068ns: AMD Radeon R2 (Stoney Ridge), 15.60", 2.1 kg
  External Review » HP 15-bw068ns

HP 15-bw059ns: AMD Radeon R3 (Mullins/Beema), 15.60", 2.1 kg
  External Review » HP 15-bw059ns

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Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

Other CPUs of the series Bristol Ridge

» AMD FX-9830P
   4x 3 GHz - 3.7 GHz
» AMD PRO A12-9830B
   4x 3 GHz - 3.7 GHz
» AMD FX-9800P
   4x 2.7 GHz - 3.6 GHz
» AMD PRO A12-9800B
   4x 2.7 GHz - 3.6 GHz
» AMD A12-9720P
   4x 2.7 GHz - 3.6 GHz
» AMD A12-9700P
   4x 2.5 GHz - 3.4 GHz
» AMD A10-9620P
   4x 2.5 GHz - 3.4 GHz
» AMD A10-9600P
   4x 2.4 GHz - 3.3 GHz
» AMD PRO A8-9600B
   4x 2.4 GHz - 3.3 GHz
» AMD A9-9425
   2x 3.1 GHz - 3.7 GHz
» AMD A9-9420e
   2x - 2.5 GHz
» AMD A9-9420
   2x 3 GHz - 3.6 GHz
» AMD A9-9410
   2x 2.9 GHz - 3.5 GHz
» AMD A6-9225
   2x 2.6 GHz - 3.1 GHz
» AMD A6-9220
   2x 2.5 GHz - 2.9 GHz
» AMD A6-9220C
   2x 1.8 GHz - 2.7 GHz
» AMD A6-9210
   2x 2.4 GHz - 2.8 GHz
» AMD A4-9120
   2x 2.2 GHz - 2.5 GHz
» AMD A4-9120C
   2x 1.6 GHz - 2.4 GHz
» AMD E2-9010
   2x 2 GHz - 2.2 GHz
» AMD E2-9000
   2x 1.8 GHz - 2.2 GHz
» AMD A6-9220e
   2x 1.6 GHz - 2.4 GHz

Surrounding CPUs

+ AMD Turion II Ultra M600
   2x 2.4 GHz
+ Intel Pentium J2850
   4x 2.4 GHz
+ Intel Pentium N3520
   4x 2.17 GHz - 2.42 GHz
+ Intel Celeron J1900
   4x 2 GHz - 2.42 GHz
+ Intel Atom x7-Z8700
   4x 1.6 GHz - 2.4 GHz
» AMD A4-9120
   2x 2.2 GHz - 2.5 GHz
- AMD A4-9120C
   2x 1.6 GHz - 2.4 GHz
- Intel Core i3-4010Y
   2x 1.3 GHz
- AMD E2-9010
   2x 2 GHz - 2.2 GHz
- AMD E2-7110
   4x 1.8 GHz
- AMD A4-6210
   4x 1.8 GHz