AMD logo AMD MI455X vs Nvidia logo Nvidia H200

The MI455X is newer, with 3.1x the memory and 4.9x the bandwidth. 5 providers list it, against 51 for the H200.

At a glance

Memory

3.1x more on MI455X

MI455X
432 GB
H200
141 GB

Memory bandwidth

4.9x higher on MI455X

MI455X
23.30 TB/s
H200
4.80 TB/s

Cheapest on-demand

MI455X is not sold on demand

MI455X
--
H200
$2.09 /GPU/hr

Price comparison

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

Billing MI455X H200 Difference
On-demand No on-demand listings $4.44 /GPU/hr from $2.09
Reserved No reserved listings $3.88 /GPU/hr from $2.24 (1 mo)
Spot No spot listings $2.62 /GPU/hr from $1.32

Heads up: A provider's own page may quote a different figure, for example on tax, region or a promotion. A monthly-only plan shows a derived hourly rate. Medians are across providers, one vote each, so a large catalog does not outweigh a small one. Verify before provisioning. More on how we price.

Price history

MI455X vs H200 price history

Weekly median on-demand price per GPU per hour

Last 12 months
Aggregating historical prices...

Specs comparison

Spec MI455X H200 Difference
Memory
Capacity 432 GB HBM4 141 GB HBM3e 3.1x more on MI455X
Bandwidth 23,300 GB/s 4,800 GB/s 4.9x higher on MI455X
Compute · dense
FP4 40,265 TFLOPS Not supported MI455X only
FP8 20,133 TFLOPS 1,979 TFLOPS 10x higher on MI455X
FP16 / BF16 5,033 TFLOPS 989.5 TFLOPS 5.1x higher on MI455X
INT8 5,033 TOPS 1,979 TOPS 2.5x higher on MI455X
FP32 315 TFLOPS 67 TFLOPS 4.7x higher on MI455X
FP64 Not supported 34 TFLOPS H200 only
Platform
Interconnect Infinity Fabric 3,600 GB/s NVLink 900 GB/s 4x higher on MI455X
Released Q3 2026 Q4 2023 3 years newer on MI455X
Precision
Supported formats FP4FP6FP8FP16BF16FP32INT8 FP8FP16BF16TF32FP32FP64INT8

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

Source: MI455X datasheet and H200 datasheet.

Where to rent them

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

5 providers list the MI455X and 51 the H200. Every listing is on the MI455X page and the H200 page.

Similar GPUs

Other comparisons in the same class.

Our data for AMD MI455X was last updated on Sept. 14, 2026, and for Nvidia H200 on Sept. 14, 2026.