B300 vs RTX 5080

Comparing the B300 and RTX 5080 for cloud rental? The B300 is available from 0 providers starting at , while the RTX 5080 starts at across 0 providers. Below is a live breakdown of pricing, VRAM, compute throughput, and where to rent each GPU.

B300

VRAM
288 GB
TFLOPS
1100
Cheapest
See all B300 offers

RTX 5080

VRAM
16 GB
TFLOPS
225
Cheapest
See all RTX 5080 offers

B300 vs RTX 5080 at a glance

Spec profile

B300RTX 5080
B300 vs RTX 5080 spec comparison radar chartVRAMFP16BandwidthValueProviders

Each axis is scaled to the stronger GPU — the outer edge is better.

Value for money

Live pricing for both GPUs is needed to compute value-for-money metrics. See the provider tables below for current rates.

Specs are manufacturer peak FP16 Tensor figures; real-world throughput varies by workload, precision, and software stack.

B300 vs RTX 5080 specs & pricing

SpecificationB300RTX 5080
Cheapest price
VRAM
288 GB
16 GB
FP16 TFLOPS
1100
225
Memory bandwidth
8000 GB/s
960 GB/s
Release year
2025
2025
Cloud providers

Which should you choose?

  • B300 has more VRAM (288 GB), so it fits larger models and bigger batch sizes without sharding.
  • B300 offers higher FP16 throughput, training and serving faster on compute-bound workloads.

Provider availability

Only B300
None
Both GPUs
None
Only RTX 5080
None

Frequently asked questions

How much VRAM do the B300 and RTX 5080 have?

The B300 has 288 GB of VRAM and the RTX 5080 has 16 GB. More VRAM lets you serve larger models and longer context windows on a single GPU.

Which is faster, the B300 or RTX 5080?

On paper the B300 is faster, with 1100 FP16 TFLOPS versus 225. Real-world speed also depends on memory bandwidth and software stack.

Live prices come from public provider catalogs and can change quickly. How we collect prices.

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