What's the price difference between NVIDIA B300 and NVIDIA A100 80GB?

On Runcrate today, NVIDIA B300 starts at $11.05/hr and NVIDIA A100 80GB starts at $1.73/hr; NVIDIA A100 80GB is cheaper by 84%.

Can I deploy NVIDIA B300 or NVIDIA A100 80GB on Runcrate today?

NVIDIA B300 is on demand in 1 region from $11.05/hr, billed by the second on most GPUs. NVIDIA A100 80GB is on demand in 6 regions from $1.73/hr, billed by the second on most GPUs.

How much VRAM does each GPU have?

NVIDIA B300 has 288GB HBM3e. NVIDIA A100 80GB has 80GB HBM2e.

B300 or A100 80GB: which holds a 70B model in 8-bit weights?

It needs 70 GB of 8-bit weights. On the B300: 1 GPU, 218 GB spare. On the A100 80GB: 1 GPU, 10 GB spare. Pick the B300: same GPU count, up to 3.9x the memory bandwidth.

GPU comparison

B300 vs A100 80GB.

The B300 is ahead on memory (288 GB vs 80 GB) and speed (7.2x the FP16 throughput and up to 3.9x the memory bandwidth). The A100 80GB makes sense when your model fits in 80 GB and its hourly price is lower.

Launch A100 80GB Reserve a cluster

Rent either on Runcrate

B300from $11.05/hr
$0.038 per GB/hr$0.49 per 100 TFLOPS/hr
Launch B300
A100 80GBCheaperfrom $1.73/hr
$0.022 per GB/hr$0.55 per 100 TFLOPS/hr
Launch A100 80GB

Live hourly price, then per GB of memory and per 100 FP16 TFLOPS.

Which is better for

Which to pick for each job. Memory fit and throughput, from the datasheets.

JobB300A100 80GBPick

Hold a 70B model in 8-bit weights
70 GB of 8-bit weights
B300: 1 GPU, 218 GB spare
A100 80GB: 1 GPU, 10 GB spare
B300. Same GPU count, up to 3.9x the memory bandwidth.
Serve an 8B model in 16-bit weights
16 GB of 16-bit weights
B300: 1 GPU, 272 GB spare
A100 80GB: 1 GPU, 64 GB spare
B300. Same GPU count, up to 3.9x the memory bandwidth.
Fine-tune a 70B model with QLoRA
About 46 GB with 4-bit weights
B300: 1 GPU, 242 GB spare
A100 80GB: 1 GPU, 34 GB spare
B300. Same GPU count, 7.2x the FP16 throughput.
Train on a full node
FP16 tensor throughput per node
B300: 8x, 18,000 TFLOPS, NVLink
A100 80GB: 8x, 2,496 TFLOPS
B300. 7.2x the FP16 throughput per GPU.
Throughput per watt
FP16 TFLOPS per 100 W of TDP
B300: Varies by card
A100 80GB: Varies by card
Either. Varies by card.

Compare another pair

Blackwell

NVIDIA B300

from$11.05/hr

Available now · 1 region

Memory: 288 GB HBM3e
FP16 tensor: 2250 TFLOPS
Bandwidth: up to 8.0 TB/s

Launch B300 Reserve a cluster

Full pricing details

Ampere

NVIDIA A100 80GB

from$1.73/hrCheaper

Available now · 6 regions

Memory: 80 GB HBM2e
FP16 tensor: 312 TFLOPS
Bandwidth: up to 2.0 TB/s

Launch A100 80GB Reserve a cluster

Full pricing details

At a glance

Spec by spec. The longer bar is the better number.

Memory

NVIDIA B300288 GB

NVIDIA A100 80GB80 GB

Memory bandwidth

NVIDIA B300up to 8.0 TB/s

NVIDIA A100 80GBup to 2.0 TB/s

FP16 tensor

NVIDIA B3002250 TFLOPS

NVIDIA A100 80GB312 TFLOPS

Hourly price, from (live)

NVIDIA B300$11.05/hr

NVIDIA A100 80GB$1.73/hr

Full specs

The complete spec sheet.

Spec	NVIDIA B300	NVIDIA A100 80GB
Architecture	Blackwell	Ampere
Memory	288 GB	80 GB
Memory type	HBM3e	HBM2e
Memory bandwidth	up to 8.0 TB/s	up to 2.0 TB/s
FP32	75 TFLOPS	19.5 TFLOPS
FP16 tensor	2250 TFLOPS	312 TFLOPS
INT8	187.5 TOPS	624 TOPS
TDP	up to 1400 W	up to 400 W
GPUs per node	8	8
Hourly price (live)	from $11.05/hr	from $1.73/hr

Questions

B300 or A100 80GB. What buyers ask first.

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