AMD MI325X vs Nvidia B300

The B300 has 13% more memory and 33% more bandwidth. The MI325X is typically cheaper.

At a glance

Memory

13% more on B300

MI325X: 256 GB

B300: 288 GB

Memory bandwidth

33% higher on B300

MI325X: 6.00 TB/s

B300: 8.00 TB/s

Cheapest on-demand

55% cheaper on MI325X

MI325X: $2.25 /GPU/hr

B300: $4.99 /GPU/hr

Price comparison

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

Billing	MI325X	B300	Difference
On-demand	$3.06 /GPU/hr from $2.25	$8.20 /GPU/hr from $4.99	63% cheaper on MI325X
Reserved	$1.95 /GPU/hr from $1.48 (12 mo)	$6.25 /GPU/hr from $4.25	69% cheaper on MI325X
Spot	Sold out	$5.55 /GPU/hr from $4.08

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

MI325X vs B300 price history

Weekly median on-demand price per GPU per hour

Last 12 months

Aggregating historical prices...

Specs comparison

Spec	MI325X	B300	Difference
Memory
Capacity	256 GB HBM3e	288 GB HBM3e	13% more on B300
Bandwidth	6,000 GB/s	8,000 GB/s	33% higher on B300
Bus width	8,192-bit	8,192-bit	Identical
Compute · dense
FP4	Not supported	14,000 TFLOPS	B300 only
FP8	2,614.9 TFLOPS	4,500 TFLOPS	72% higher on B300
FP16 / BF16	1,307.4 TFLOPS	2,250 TFLOPS	72% higher on B300
INT8	2,614.9 TOPS	153.5 TOPS	17x higher on MI325X
FP32	163.4 TFLOPS	75 TFLOPS	2.2x higher on MI325X
FP64	81.7 TFLOPS	1.2 TFLOPS	68x higher on MI325X
Platform
Interconnect	Infinity Fabric 896 GB/s	NVLink 1,800 GB/s	2x higher on B300
Board power	1,000 W	1,100 W	10% higher on B300
Released	Q4 2024	Q1 2025
Precision
Supported formats	FP8FP16BF16TF32FP32FP64INT8	FP4FP6FP8FP16BF16TF32FP32FP64INT8

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

Source: MI325X datasheet and B300 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	MI325X	B300
Bentaus USA	$2.25 /GPU/hr On-demand	--
Cyfuture AI India	$3.00 /GPU/hr On-demand	--
DigitalOcean USA	$3.80 /GPU/hr On-demand	--
TensorWave USA	$2.25 /GPU/hr Custom OAM	--
Vultr USA	$2.00 /GPU/hr Spot	--
Daytona USA	--	$7.10 /GPU/hr On-demand
GPU.ai UAE	--	$7.89 /GPU/hr On-demand SXM
Runpod USA	--	$7.89 /GPU/hr On-demand SXM
Lium Distributed	--	$8.00 /GPU/hr On-demand SXM
EmpirioLabs AI USA	--	$16.00 /GPU/hr On-demand
Spheron Singapore	--	$5.81 /GPU/hr Spot SXM
GPUaaS USA	--	$5.00 /GPU/hr Custom SXM
Packet·ai USA	--	On request Custom SXM