B300 vs RTX A4000

Comparing the B300 and RTX A4000 for cloud rental? The B300 is available from 0 providers starting at , while the RTX A4000 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 A4000

VRAM
16 GB
TFLOPS
77
Cheapest
See all RTX A4000 offers

B300 vs RTX A4000 at a glance

Spec profile

B300RTX A4000
B300 vs RTX A4000 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 A4000 specs & pricing

SpecificationB300RTX A4000
Cheapest price
VRAM
288 GB
16 GB
FP16 TFLOPS
1100
77
Memory bandwidth
8000 GB/s
448 GB/s
Release year
2025
2021
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 A4000
None

Frequently asked questions

How much VRAM do the B300 and RTX A4000 have?

The B300 has 288 GB of VRAM and the RTX A4000 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 A4000?

On paper the B300 is faster, with 1100 FP16 TFLOPS versus 77. 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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