Athlon X4

AMD Athlon X4 is a series of budget AMD microprocessors for personal computers. These processors are distinct from A-Series APUs of the same era due to the lack of iGPUs.

"Richland" (2013, 32 nm)

 * Socket FM2
 * CPU: Two or four Piledriver-cores
 * GPU TeraScale 3 (VLIW4)
 * MMX, SSE(1, 2, 3, 3s, 4a, 4.1, 4.2), AMD64, AMD-V, AES, AVX(1, 1.1), XOP, FMA(4, 3), CVT16, F16C, BMI(ABM, TBM), Turbo Core 3.0, NX bit
 * PowerNow!

"Kaveri" (2014, 28 nm)

 * Socket FM2+, support for PCIe 3.0
 * Two or four CPU cores based on the Steamroller microarchitecture
 * AMD Heterogeneous System Architecture (HSA) 2.0
 * Dual-channel (2× 64 Bit) DDR3 memory controller
 * Integrated custom ARM Cortex-A5 co-processor with TrustZone Security Extensions

"Carrizo" (2016, 28 nm)

 * Socket FM2+, support for PCIe 3.0
 * Four CPU cores based on the Excavator microarchitecture
 * Dual-channel (2× 64 Bit) DDR3 memory controller

"Bristol Ridge" (2017, 28 nm)

 * Socket AM4, support for PCIe 3.0
 * Four CPU cores based on the Excavator microarchitecture
 * Dual-channel DDR4 memory controller
 * MMX, SSE(1, 2, 3, 3s, 4a, 4.1, 4.2), AMD64, AMD-V, AES, AVX(1, 1.1, 2), XOP, FMA(4, 3), CVT16, F16C, BMI(ABM, TBM), Turbo Core 3.0, NX bit