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Chip comparison

AMD Instinct MI325X vs Biren BR100

Side-by-side specs

Straight from each vendor's datasheet. Winner in bold: higher throughput, memory, or transistor count; lower power draw or price. Sparse (2:4) throughput roughly doubles the FP8/INT8 numbers shown.

FieldAMD Instinct MI325XBiren BR100
Process nodeTSMC N5 + N6 (chiplet)TSMC N7
Transistors (B)—77
TDP1000 W550 W
Memory256 GB HBM3e64 GB HBM2e
Memory bandwidth6,000 GB/s2,300 GB/s
FP16 (dense)1,307 TFLOPS1,024 TFLOPS
BF16 (dense)1,307 TFLOPS1,024 TFLOPS
FP8 (dense)2,614 TFLOPS—
INT8 (dense)2,614 TOPS2,048 TOPS
Form factorOAMOAM
Announced2024-10-102022-08-09
Released2025-01-01—

Robots running AMD Instinct MI325X

No robots publicly running it yet.

Robots running Biren BR100

No robots publicly running it yet.

Data centers with AMD Instinct MI325X

No data centers publicly running it yet.

Data centers with Biren BR100

No data centers publicly running it yet.

Common questions

AMD Instinct MI325X vs Biren BR100: which is faster for training?

AMD Instinct MI325X has 2.55x the dense FP16/BF16 throughput of the other (AMD Instinct MI325X: 2,614 TFLOPS; Biren BR100: 1,024 TFLOPS). Real-world training speed also depends on memory bandwidth, interconnect, and software stack: see the spec diff for those inputs.

AMD Instinct MI325X vs Biren BR100: which has more memory?

AMD Instinct MI325X carries more HBM (AMD Instinct MI325X: 256 GB HBM3e; Biren BR100: 64 GB HBM2e). Memory capacity sets the largest model that fits on one chip without partitioning; memory bandwidth sets inference throughput.

AMD Instinct MI325X vs Biren BR100: which is more power-efficient?

Dense FP16/BF16 TFLOPS per watt: AMD Instinct MI325X 2.61 (2,614 ÷ 1000 W); Biren BR100 1.86 (1,024 ÷ 550 W). AMD Instinct MI325X wins at the die level; system-level efficiency also depends on cooling and interconnect.

See also: every chip comparison · AMD Instinct MI325X full page · Biren BR100 full page.