Unverified50% confidenceFactExact time
The x87 floating-point unit uses 80-bit extended precision (64-bit mantissa + 15-bit exponent + 1 sign bit), while modern ARM floating-point units typically only support 64-bit double precision.
1
Sources
50%
Confidence
Long-term
Relevance
9/18/2026
First Seen
Sources
Related Entities
Related Claims
VerifiedThe IEEE 754 double-precision format uses 64 bits of storage: 1 sign bit, 11 exponent bits, and 52 mantissa bits (53 bits of effective precision including the implicit leading 1 bit).74% similarVerifiedAVX-512 on the x86 platform can process 512 bits of data in a single instruction, meaning 16 32-bit floating-point numbers can be processed simultaneously.67% similarUnverifiedx86-64 has 16 general-purpose registers, and ARM64 has 31.64% similarUnverifiedFP32 uses 32 bits to represent floating-point numbers, consisting of 1 sign bit, 8 exponent bits, and 23 mantissa bits.64% similar
Cite This Claim
Stable URI
https://kongchang.com/claim/932925API
curl https://kongchang.com/api/v1/knowledge/claims/932925MCP
get_claim(id=932925)