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MI355X vs H800

AMD MI355X vs Nvidia H800

Two data center GPUs, one CDNA 4 and one Hopper: 288 GB HBM3e against 80 GB HBM2e and 4x the memory bandwidth on the MI355X.

At a glance

Updated 6 minutes ago

AMD MI355X

Memory: 288 GB; HBM3e
Memory bandwidth: 8.00 TB/s
From: $8.60 /GPU/hr; 4 providers

Nvidia H800

Memory: 80 GB; HBM2e
Memory bandwidth: 2.00 TB/s
From: --

Price comparison

Cheapest listed price per GPU per hour by billing type, and the median across providers.

Billing	MI355X	H800	Difference
On-demand	$8.60	--
Spot	$4.50	No spot listings
Median	$8.60	--

Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.

Price history

MI355X vs H800 price history

Weekly median on-demand price per GPU per hour

Last 11 months

Aggregating historical prices...

Specs comparison

Spec	MI355X	H800	Difference
Memory
Capacity	288 GB HBM3e	80 GB HBM2e	3.6x more on MI355X
Bandwidth	8,000 GB/s	2,000 GB/s	4x higher on MI355X
Bus width	8,192-bit	5,120-bit	1.6x wider on MI355X
Compute · dense
FP4	10,066.3 TFLOPS	Not supported	MI355X only
FP8	5,033.2 TFLOPS	1,513 TFLOPS	3.3x higher on MI355X
FP16 / BF16	2,516.6 TFLOPS	756.5 TFLOPS	3.3x higher on MI355X
INT8	5,033.2 TOPS	1,513 TOPS	3.3x higher on MI355X
FP32	157.3 TFLOPS	51 TFLOPS	3.1x higher on MI355X
FP64	78.6 TFLOPS
Platform
Interconnect	Infinity Fabric 1,075 GB/s	NVLink 400 GB/s	2.7x higher on MI355X
Board power	1,400 W	350 W	4x higher on MI355X
Released	Q2 2025	Q1 2023	2 years newer on MI355X
Precision
Supported formats	FP4FP6FP8FP16BF16FP32FP64INT8	FP8FP16BF16TF32FP32FP64INT8

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

Source: MI355X datasheet .

Where to rent them

Providers listing these GPUs, those with both first, so you can switch without moving clouds.

Provider	MI355X /GPU/hr	H800 /GPU/hr
Oracle Cloud	On-Demand $8.60	--
DigitalOcean	Spot $4.50	--
TensorWave	Custom $2.95	--
Vultr	Spot $2.59	--

Access 60,000+ daily active GPUs across 191 countries, from $0.02/hour

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Per-second billing, with no charge for cold starts or image pulls

Similar GPUs

Other comparisons in the same class.

Nvidia H100

80 GB HBM3 · 58% less bandwidth than the MI355X

From $1.50 /GPU/hr Compare
Nvidia B200

180 GB HBM3e · released Q1 2024

From $3.75 /GPU/hr Compare
AMD MI325X

256 GB HBM3e · 25% less bandwidth than the MI355X

From $2.25 /GPU/hr Compare
Nvidia H200

141 GB HBM3e · 2.4x the bandwidth of the H800

From $2.09 /GPU/hr Compare

Browse all GPUs

Our data for AMD MI355X was last updated on Sept. 7, 2026, and for Nvidia H800 on Sept. 7, 2026.