SONY PlayStation 5 features AMD Zen2 SoC with 8 cores and 36 RDNA2 Compute Units

Published: 19th Mar 2020, 16:25 GMT   Comments

Yesterday SONY unveiled the full specifications of the PlayStation 5 gaming console featuring AMD System on the Chip.

SONY PlayStation 5 = AMD Zen2 + RDNA2, HW Ray-tracing and more

The official announcement of Sony PlayStation 5 by Mark Cenry (lead PS5 architect) provided information on the most important features and specifications of the upcoming gaming consoles. Both XBOX Series X and Sony PlayStation 5 will be equipped with AMD custom silicons based on AMD’s Zen2 and RDNA 2 architectures.

The SoC: 8c/16t Zen2 + 36 RDNA2 CU

The Sony PlayStation 5 system on the chip (SoC) features 8 cores and 16 threads and 36 Compute Units (2304 Stream Processors). This means that the console will have fewer cores than XBOX Series X (52 CUs), but thanks to higher (and capped) GPU clock speed, the maximum theoretical floating-point performance (FP32) is actually not significantly lower – the PS5 will be 10.3 TFLOPs while XBOX is 12 TFLOPs.

Thanks to AMD-based GPU, Sony PS5 will have hardware-accelerated ray tracing via ‘Intersection Engine. These are not external blocks in the GPU, in fact, these are built into shaders, just like in next-generation Radeon Navi 2X or Xbox Series X.

Storage and memory: 825 GB SSD + 16GB GDDR6

The most important change, however, has been made to storage technology. PS5 will finally feature solid-state storage with 825 GB of storage using a custom protocol. This storage will have a raw (uncompressed) throughput of 5.5 GB/s, which could potentially mean no load times between the scenes in games. Such load transfer is noticeably higher than XBOX’s 2.4 GB/s. Sony PS5 will also support external storage such as USB HDDs or Sony certified NVME SSDs. The custom flash controller will communicate with the SoC through PCIe 4.0 interface.

The system will be equipped with 16GB of GDDR6 memory, but unlike next-gen Xbox, PS5’s memory system is symmetrical (XBOX’s memory is divided into 10 and 6GB memory chunks each operating at different maximum bandwidth). PS5’s maximum theoretical bandwidth is 448 GB/s.

HDMI 2.1

For GPU enthusiasts the fact both next-gen gaming consoles will support HDMI 2.1 is a big reason to believe that next-gen desktop graphics will also support the standard. This will help with the adoption of Variable Refresh Rate technology and possibly push the monitor and TV market to release more 8K displays.

Next Generation Gaming Consoles
VideoCardz.comXBOX Series XSony PlayStation 5
AMD Zen2 8-cores/16-threads
AMD Zen2 8-cores/16-threads
CPU Clock speed
up to 3.8 GHz (3.66 with SMT)
up to 3.5 GHz
FP32 Performance
12.14 TFLOPs
10.28 TFLOPs
GPU Clock Speed
1825 MHz
2230 MHz
SoC Die Size360.45 mm2?
Process7nm Enhanced7nm ?
Memory16 GB GDDR6 320-bit bus16 GB GDDR6 256-bit bus
Memory Bandwidth
10GB 560 GB/s (6GB 336 GB/s)
448 GB/s
Internal Storage
1 TB Custom NVME SSD
825 GB Custom SSD
I/O Throughput
2.4 GB/s (Raw)
5.5 GB/s (Raw)
Expandable Storage1 TB Expansion Card (matches internal storage exactly)Sony Certified NVME SSD
External StorageUSB 3.2 External HDD SupportUSB External HDD Support
Optical Drive4K UHD Blu-Ray Drive4K UHD Blu-Ray Drive
Display ConnectorHDMI 2.1 (Variable Refresh Rate)HDMI 2.1 (Variable Refresh Rate)
Audio?“Tempest” 3D AudioTech

Source: SONY PlayStation Blog

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