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MI355X vs A100

AMD MI355X vs Nvidia A100

Two data center GPUs, one CDNA 4 and one Ampere: 288 GB HBM3e against 80 GB HBM2e and 4.1x the memory bandwidth on the MI355X.

At a glance

Memory

MI355X: 288 GB
A100: 80 GB

3.6x more on MI355X

Memory bandwidth

MI355X: 8.00 TB/s
A100: 1.94 TB/s

4.1x higher on MI355X

Cheapest on-demand

MI355X: $8.60 /GPU/hr
A100: $0.89 /GPU/hr

9.7x more expensive on MI355X

Price comparison

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

Billing	MI355X	A100
On-demand	-- /GPU/hr from $8.60	$1.81 /GPU/hr from $0.89
Reserved	No reserved listings	$1.60 /GPU/hr from $0.66 (24 mo)
Spot	-- /GPU/hr from $4.50	$1.20 /GPU/hr from $0.67

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. No median for on-demand and spot on the MI355X: we only show one when at least 3 providers list the GPU on that billing type. Verify before provisioning. More on how we price.

Price history

MI355X vs A100 price history

Weekly median on-demand price per GPU per hour

Last 12 months

Aggregating historical prices...

Specs comparison

Spec	MI355X	A100	Difference
Memory
Capacity	288 GB HBM3e	80 GB HBM2e 40 GB on SXM, PCIe	3.6x more on MI355X
Bandwidth	8,000 GB/s	1,935 GB/s 2,039 GB/s on SXM 1,555 GB/s on SXM, PCIe	4.1x 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	Not supported	MI355X only
FP16 / BF16	2,516.6 TFLOPS	312 TFLOPS	8.1x higher on MI355X
INT8	5,033.2 TOPS	624 TOPS	8.1x higher on MI355X
FP32	157.3 TFLOPS	19.5 TFLOPS	8.1x higher on MI355X
FP64	78.6 TFLOPS	9.7 TFLOPS	8.1x higher on MI355X
Platform
Interconnect	Infinity Fabric 1,075 GB/s	NVLink 600 GB/s	1.8x higher on MI355X
Board power	1,400 W	300 W	4.7x higher on MI355X
Released	Q2 2025	Q2 2020	5 years newer on MI355X
Precision
Supported formats	FP4FP6FP8FP16BF16FP32FP64INT8	FP16BF16TF32FP32FP64INT4INT8

Figures are for each model's headline configuration. Where a form factor carries a different number, it is named under the figure.

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

Source: MI355X datasheet and A100 datasheet.

Where to rent them

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

Provider	MI355X /GPU/hr	A100 /GPU/hr
Oracle Cloud	On-Demand $8.60	--
DigitalOcean	Spot $4.50	--
TensorWave	Custom $2.95	--
Vultr	Spot $2.59	--
GPU.ai	--	On-Demand $0.89
Thunder Compute	--	On-Demand $1.09
Massed Compute	--	On-Demand $1.35
Packet·ai	--	On-Demand $1.43
Spheron	--	On-Demand $1.43
Oblivus	--	On-Demand $1.47
Sesterce	--	On-Demand $1.49
Geodd	--	On-Demand $1.49