AMD C-70

The AMD C-70 (codename Ontario) is a dual core processor for small notebooks and netbooks. It offers a relatively powerful integrated graphics card and a single channel DDR3(L)-1066 memory controller. Compared to the C-60, the currently known specifications of the C-70 are absolute identical including the 1 GHz base frequency and 1.33 GHz Turbo Core speed.

Inside the C-70 two Bobcat cores can access 512KB level 2 cache per core. In comparison to the Atom processors, the Bobcat architecture uses an "out-of-order" execution and is therefore faster at the same clock speed. However, the performance is far worse than similar clocked Penryn (Celeron) or Danube (Athlon II) cores. 

The integrated AMD Radeon HD 7290 or AMD Radeon HD 6290 graphics card (depending on the source, but same specifications) offers 80 shaders and an UVD3 video processor. Compared to the slow GMA 3150 in the Atom processors, the HD6290 offers a lot more performance and is about as fast as the Nvidia ION graphics solution. Compared to the HD 6250 in the C-50, the 6290 also offers Turbo Core to overclock to up to 400MHz (same 276MHz base speed).

The processor speed is somewhere between a single core 1.6 GHz Atom N455 and a dual core Atom N550 depending on the benchmark (see below). Therefore, the performance is still in netbook regions and only suited for low demanding tasks.

The power consumption is rated with a TDP of 9 Watt by AMD and therefore a bit higher as the single core Atom CPUs at 1.6 GHz.

SeriesAMD C-Series
Series: C-Series Ontario
» AMD C-701 - 1.33 GHz2 / 2
AMD C-60 compare1 - 1.33 GHz2 / 2
AMD C-50 compare1 GHz2 / 2
AMD C-30 compare1.2 GHz1 / 1
Clock Rate1000 - 1333 MHz
Level 1 Cache128 KB
Level 2 Cache1 MB
Number of Cores / Threads2 / 2
Power Consumption (TDP = Thermal Design Power)9 Watt
Manufacturing Technology40 nm
Die Size75 mm2
SocketFT1 BGA 413-Ball
FeaturesMMX(+), SSE(1,2,3,3S,4A), AMD-V, Radeon HD 6290 (276-400MHz)
GPUAMD Radeon HD 6290 (280 - 400 MHz)
64 Bit64 Bit support
Announcement Date10/01/2012


wPrime 2.10 - wPrime 2.0 1024m *
3063 s (36%)
wPrime 2.10 - wPrime 2.0 32m *
98.2 s (20%)
3DMark 06 - CPU - 3DMark 06 - CPU
782 Points (4%)
Super Pi mod 1.5 XS 1M - Super Pi mod 1.5 XS 1M *
48.4 s (10%)
Super Pi mod 1.5 XS 2M - Super Pi mod 1.5 XS 2M *
120 s (5%)
Super Pi Mod 1.5 XS 32M - Super Pi mod 1.5 XS 32M *
2863 s (13%)
SiSoft Sandra Dhrystone (MIPS) - SiSoft Sandra Dhrystone (MIPS)
6650 MIPS (3%)
SiSoft Sandra Whetstone (MFLOPS) - SiSoft Sandra Whetstone (MFLOPS)
5660 MFLOPS (4%)
- 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 C-Series C-70 processor

Acer Aspire One 725-C7Skk (AMD Radeon HD 6290, 11.60")
» Acer Aspire One 725-C7Skk - External Review

Acer Aspire One 725-C7Xkk (AMD Radeon HD 7290, 11.60")
» Review Acer Aspire One 725-C7Xkk Notebook - Review

» Mobile CPU Comparison
Comparison of all mobile CPU series

» Mobile Processors - Benchmarklist
Benchmarklist of all known CPUs that are used in laptops (desktop and laptop CPUs)

Other CPUs of the series C-Series

» AMD C-70
   2x 1 GHz - 1.33 GHz
» AMD C-60
   2x 1 GHz - 1.33 GHz
» AMD C-50
   2x 1 GHz
» AMD C-30
   1x 1.2 GHz

Surrounding CPUs

+ Intel Celeron M 320
   1x 1.3 GHz
+ Intel Pentium M 1300
   1x 1.3 GHz
+ Intel Core 2 Solo U2200
   1x 1.2 GHz
+ Intel Core Solo U1400
   1x 1.2 GHz
+ AMD V-Series V105
   1x 1.2 GHz
» AMD C-70
   2x 1 GHz - 1.33 GHz
- AMD C-60
   2x 1 GHz - 1.33 GHz
- Intel Pentium M 738
   1x 1.4 GHz
- Intel Celeron M 360
   1x 1.4 GHz
- AMD Mobile Sempron 210U
   1x 1.5 GHz
- Intel Celeron M 340
   1x 1.5 GHz
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> Notebook / Laptop Reviews and News > Benchmarks / Tech > Notebook Processors > AMD C-Series C-70 Notebook Processor
Klaus Hinum (Update: 2017-09- 5)