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Seattle
General Info
Designer	AMD
Manufacturer	GlobalFoundries
Introduction	January 2014 (announced) January 2016 (launched)
Microarchitecture
ISA	ARMv8
Microarchitecture	Cortex-A57
Word Size	8 octets 16 nibbles 64 bit
Process	28 nm 0.028 μm 2.8e-5 mm
Technology	CMOS
Packaging
Package	BGA-1021
Package Type	Organic Micro Ball Grid Array
Dimension	27 mm 2.7 cm 1.063 in × 27 mm 2.7 cm 1.063 in
Pitch	0.65 mm 0.0256 in
Contacts	1021

Seattle is the codename for a series of AMD server microprocessors based on the Cortex-A57 microarchitecture.

Common Features

All Seattle processors have the following features:

• Up to 8 Cortex-A57 CPU cores
  • 4 core complexes, each comprising 2 CPU cores and 1 MiB shared L2 cache
  • 8 × 48 KiB L1 instruction cache, 3-way set associative, parity protected
  • 8 × 32 KiB L1 data cache, 2-way set associative, ECC protected
  • 4 × 1 MiB shared L2 cache, 16-way set associative, ECC protected
  • 8 MiB shared L3 cache, 16-way set associative, ECC protected, integrated snoop filter
  • Full cache coherency

• ARM Cortex-A5 System Control Processor
• Cryptographic Coprocessor (AES, ECC, RSA, SHA, Zlib compr./decompr., TRNG)

• 2 × 64/72 bit DDR3 SDRAM interface up to 800 MHz, PC3-12800 (DDR3-1600), 25.6 GB/s or
• 2 × 64/72 bit DDR4 SDRAM interface up to 933 MHz, PC4-14900 (DDR4-1866), 29.9 GB/s
  • Up to 4 UDIMMs, RDIMMs, or SODIMMs (2 per channel), ECC supported
  • Up to 128 GiB total with RDIMMs

• PCIe Gen 1.0, 2.0, 3.0 (8 GT/s)
  • 8 lanes configurable 1x8, 2x4, 1x4 + 2x2

• Integrated Controller Hub
  • 14 × SATA 1.0, 2.0, 3.0 (6 Gb/s)
  • 2 × 10 Gigabit Ethernet (10GBASE-KR, 1000BASE-KX)
  • 1 × 1 Gigabit Ethernet system management port
  • SPI, UART, I2C, GPIO

Seattle Processors

	List of Seattle Processors
Model	Family	Cores	TDP	L2$	L3$	Freq
A1120	Opteron	4	25 W 25,000 mW 0.0335 hp 0.025 kW	2 MiB 2,048 KiB 2,097,152 B 0.00195 GiB	8 MiB 8,192 KiB 8,388,608 B 0.00781 GiB	1.7 GHz 1,700 MHz 1,700,000 kHz
A1150	Opteron	8	32 W 32,000 mW 0.0429 hp 0.032 kW	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	8 MiB 8,192 KiB 8,388,608 B 0.00781 GiB	1.7 GHz 1,700 MHz 1,700,000 kHz
A1170	Opteron	8	32 W 32,000 mW 0.0429 hp 0.032 kW	4 MiB 4,096 KiB 4,194,304 B 0.00391 GiB	8 MiB 8,192 KiB 8,388,608 B 0.00781 GiB	2 GHz 2,000 MHz 2,000,000 kHz
Count: 3

References

• "Product Brief: AMD Opteron™ A1100 SOC Series", PID 158465-B, 2016
• "Hot Chips 26: The AMD Opteron™ A1100 Processor Codenamed "Seattle"", August 11, 2014
• "Introducing the AMD Opteron™ A1100 for the Datacenter", January 2016