AMD logo

AMD MI350P vs AMD MI455X

The MI455X has 3x the memory and 5.8x the bandwidth.

At a glance

Memory

3x more on MI455X

MI350P
144 GB
MI455X
432 GB

Memory bandwidth

5.8x higher on MI455X

MI350P
4.00 TB/s
MI455X
23.30 TB/s

Cheapest on-demand

MI455X is not sold on demand

MI350P
--
MI455X
--

Price comparison

Median price per GPU per hour by billing type, with the cheapest listing under it.

Specs comparison

Spec MI350P MI455X Difference
Memory
Capacity 144 GB HBM3e 432 GB HBM4 3x more on MI455X
Bandwidth 4,000 GB/s 23,300 GB/s 5.8x higher on MI455X
Bus width 4,096-bit
Compute · dense
FP4 4,600 TFLOPS 40,265 TFLOPS 8.8x higher on MI455X
FP8 2,300 TFLOPS 20,133 TFLOPS 8.8x higher on MI455X
FP16 / BF16 1,150 TFLOPS 5,033 TFLOPS 4.4x higher on MI455X
INT8 2,300 TOPS 5,033 TOPS 2.2x higher on MI455X
FP32 72 TFLOPS 315 TFLOPS 4.4x higher on MI455X
FP64 36 TFLOPS Not supported MI350P only
Platform
Interconnect PCIe only Infinity Fabric 3,600 GB/s Infinity Fabric on MI455X only
Released Q2 2026 Q3 2026
Precision
Supported formats FP4FP6FP8FP16BF16FP32FP64INT8 FP4FP6FP8FP16BF16FP32INT8

Compute: Vendor peak figures, dense and per GPU. Not measured throughput.

Source: MI350P datasheet and MI455X datasheet.

Where to rent them

Providers that rent these GPUs, with each one's cheapest rate. No provider we track offers both right now.

Provider MI350P MI455X
Microsoft Azure logo Azure USA -- On request Custom
Cirrascale logo Cirrascale USA -- On request Custom
Oracle Cloud logo Oracle Cloud USA -- On request Custom
TensorWave logo TensorWave USA -- On request Custom
Vultr logo Vultr USA -- On request Custom

Similar GPUs

Other comparisons in the same class.

Browse all GPUs Compare other GPUs

Our data for AMD MI350P was last updated on Nov. 13, 2026, and for AMD MI455X on Sept. 14, 2026.