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General Info

Microarchitecture

Z+ SoC is a semi-custom quad-core x86 SoC designed by AMD for Zhongshan Subor for their gaming PC/consoles and introduced in mid-2018. The Z+ features four Zen cores operating at 3 GHz along with a 24-CU Radeon Vega GPU operating at up to 1.3 GHz.

Cache

Main article: Zen § Cache

[Edit/Modify Cache Info]

Cache Organization Cache is a hardware component containing a relatively small and extremely fast memory designed to speed up the performance of a CPU by preparing ahead of time the data it needs to read from a relatively slower medium such as main memory. The organization and amount of cache can have a large impact on the performance, power consumption, die size, and consequently cost of the IC. Cache is specified by its size, number of sets, associativity, block size, sub-block size, and fetch and write-back policies. Note: All units are in kibibytes and mebibytes.

L1$ 384 KiB 393,216 B 0.375 MiB L1I$ 256 KiB 262,144 B 0.25 MiB 4x64 KiB 4-way set associative   L1D$ 128 KiB 131,072 B 0.125 MiB 4x32 KiB 8-way set associative write-back L2$ 2 MiB 2,048 KiB 2,097,152 B 0.00195 GiB     4x512 KiB 8-way set associative write-back L3$ 4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB     1x4 MiB

Memory controller

[Edit/Modify Memory Info]

	Integrated Memory Controller
	Max Type GDDR5 Max Mem 8 GiB Frequency 1200 MHz Width 256 bit Max Bandwidth 143.1 GiB/s 146,534.4 MiB/s 153.652 GB/s 153,652.455 MB/s 0.14 TiB/s 0.154 TB/s

Graphics

The Z+ features a Radeon Vega GPU with 24 compute units. The Compute Units operate at 1,300 MHz, each with 64 32-bit floating point multiply-accumulate units. At 1.3 GHz with 128 FLOP/cycle this chip can deliver 3.994 TFLOPS raw peak performance - about 66% the performance of the Scorpio Engine (6 TFLOPS) and three times its predecessor.

Z+ GPU
Unified shaders	1536 (64 × 24 CUs)
ROPs	32
TMUs	96
Peak Performance	~4 TFLOPS (3,994,000,000,000 FLOPS)

[Edit/Modify IGP Info]

	Integrated Graphics Information
	GPU Radeon Vega Designer AMD Execution Units 24 Max Displays 3 Unified Shaders 1536 Max Memory 8 GiB 8,192 MiB 8,388,608 KiB 8,589,934,592 B Burst Frequency 1,300 MHz 1.3 GHz 1,300,000 KHz Output DP, HDMI Standards DirectX 12 OpenGL 4.6 OpenCL 2.0 Vulkan 1.1

[Edit] Zen with Radeon Vega Hardware Accelerated Video Capabilities
Codec	Encode			Decode
Max FPS	@1080p	@1440p	@2160p	@1080p 4:2:0	@2160p 4:2:0
MPEG-2 (H.262)				60 FPS	N/A
VC-1
VP9 8bpc				240 FPS	60 FPS
VP9 10bpc
MPEG-4 AVC (H.264) 8bpc	120 FPS	60 FPS	30 FPS
MPEG-4 AVC (H.264) 10bpc
HEVC (H.265) 8bpc	120 FPS	60 FPS	30 FPS
HEVC (H.265) 10bpc
JPEG/MJPEG 8bpc

Features

[Edit/Modify Supported Features]

Supported x86 Extensions & Processor Features

MMX MMX Extension EMMX Extended MMX Extension SSE Streaming SIMD Extensions SSE2 Streaming SIMD Extensions 2 SSE3 Streaming SIMD Extensions 3 SSSE3 Supplemental SSE3 SSE4.1 Streaming SIMD Extensions 4.1 SSE4.2 Streaming SIMD Extensions 4.2 SSE4a Streaming SIMD Extensions 4a AVX Advanced Vector Extensions AVX2 Advanced Vector Extensions 2 ABM Advanced Bit Manipulation BMI1 Bit Manipulation Instruction Set 1 BMI2 Bit Manipulation Instruction Set 2 FMA3 3-Operand Fused-Multiply-Add FMA4 4-Operand Fused-Multiply-Add AES AES Encryption Instructions RdRand Hardware RNG SHA SHA Extensions ADX Multi-Precision Add-Carry CLMUL Carry-less Multiplication Extension F16C 16-bit Floating Point Conversion x86-16 16-bit x86 x86-32 32-bit x86 x86-64 64-bit x86 Real Real Mode Protected Protected Mode SMM System Management Mode FPU Integrated x87 FPU NX No-eXecute AMD-Vi AMD-Vi (I/O MMU virtualization) AMD-V AMD Virtualization SenseMI SenseMI Technology XFR Extended Frequency Range Boost 2 Precision Boost 2