Product page: Ampere Altra; Data Sheet
Arm IP:
- Neoverse- 1 & 2 CPUs, each at 96-128 cores, up to 3.00 GHz
Use Cases:
Processor Subsystem
- 128 Arm® v8.2+ 64-bit CPU cores up to 3.00 GHz maximum
- 64 KB L1 I-cache, 64 KB L1 D-cache per core
- 1 MB L2 cache per core
- 16 MB System Level Cache (SLC)
- 2x full-width (128b) SIMD
- Coherent Mesh Interconnect (CMI):
- Distributed snoop filtering
Memory
- 8x 72-bit DDR4-3200 channels
- SECDED ECC, Symbol-based ECC, and DDR4 RAS features
- Up to 16 DIMMs and 4 TB/socket
System Resources
- Full interrupt virtualization (GICv3)
- Full I/O virtualization (SMMUv3)
- Enterprise server-class RAS
Connectivity
- 128 lanes of PCIe Gen4:
- 4 x16 PCIe + 4 x16 PCIe/CCIX controllers with Extended Speed Mode (ESM) support for data transfers at 20/25 GT/s
- 32 controllers to support up to 32 x4 links
- 128 PCIe lanes in 1P configuration
- 192 PCIe lanes in 2P configuration
- Coherent multi-socket support
- 4 x16 CCIX lanes
Technology and Functionality
- Armv8.2+, SBSA Level 4
- Advanced Power Management:
- Dynamic estimation, Voltage droop mitigation
Performance and Power
- Est. SPECrate® 2017_int_base (SKU: AC-212825002): 359 at Usage Power: 178 W
- Max TDP: 250 W
Process Technology
- TSMC 7 nm FinFET