Specifications Compared
| Spec | B300 | RTX A2000 |
|---|---|---|
| TDP | 1400W | 70W |
| VRAM | 262-288 GB | 6-12 GB |
| CUDA Cores | Not published | 3,328 |
| FP4 (dense) | 13,500 TFLOPS | Not published |
| FP8 (dense) | 4,500 TFLOPS | Not published |
| Memory Type | HBM3e | GDDR6 |
| Architecture | Blackwell Ultra | Ampere |
| FP16 (dense) | 2,250 TFLOPS | Not published |
| Form Factors | SXM6 | PCIe |
| INT8 (dense) | 187.5 TOPS | Not published |
| Interconnect | NVLink, PCIe 6.0, InfiniBand | PCIe 4.0 |
| Tensor Cores | Not published | 104 |
| FP32 Performance | 75 TFLOPS | 8 TFLOPS |
| FP64 Performance | 1.25 TFLOPS | Not published |
| Memory Bandwidth | 8,000 GB/s | 288 GB/s |
| FP4 (with sparsity) | 18,000 TFLOPS | Not published |
| FP8 (with sparsity) | 9,000 TFLOPS | Not published |
| FP16 (with sparsity) | 4,500 TFLOPS | 63.9 TFLOPS |
| INT8 (with sparsity) | 375 TOPS | Not published |
Performance Analysis
FP16 dense performance reaches 2250 TFLOPS on the B300 against FP16 with sparsity at 63.9 TFLOPS on the RTX A2000 which produces major gaps in half precision workloads for model training and inference tasks. FP32 figures stand at 75 TFLOPS for the B300 and 8 TFLOPS for the RTX A2000 further widening the divide in single precision scientific calculations. Memory bandwidth at 8000 GB/s versus 288 GB/s permits the B300 to sustain larger batch sizes during extended operations compared to the constraints imposed by the RTX A2000 specifications.
Current On-Demand Offers
Cheapest secure on-demand offer per provider that is reported in stock right now, per GPU per hour; multi-GPU instances show the whole-instance price alongside. Deploy opens the DeployGPU console for providers on the platform, otherwise the provider's own site. Stock is rechecked every minute.
B300
1 provider in stock, 1 offer. All B300 offers, price history and alerts
RTX A2000
RTX A2000 is not offered on-demand by any provider we track right now. See the RTX A2000 rental page for last-seen listed prices and a price alert.
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When to Choose the B300
The B300 becomes the preferred selection for applications that demand 262-288 GB VRAM capacity along with FP16 dense throughput of 2250 TFLOPS. Its 1400W TDP and SXM6 form factor align with environments equipped for high power delivery and NVLink interconnects in large cluster configurations.
When to Choose the RTX A2000
The RTX A2000 fits scenarios that operate within 6-12 GB VRAM limits and require only 70W TDP along with PCIe 4.0 connectivity. Its FP32 rating of 8 TFLOPS and compact PCIe form factor suit desktop professional workloads that avoid the infrastructure demands of higher power GPUs.
Use Cases
The B300 supplies FP16 dense at 2250 TFLOPS and 262-288 GB VRAM to handle extensive training runs while the RTX A2000 lacks equivalent dense figures and capacity.
FP8 dense performance of 4500 TFLOPS on the B300 supports inference at scale with 8000 GB/s bandwidth unavailable on the RTX A2000.
The B300 FP16 dense rating of 2250 TFLOPS combined with 262-288 GB VRAM enables fine-tuning of sizable models beyond RTX A2000 limits.
The RTX A2000 at 70W TDP and 6-12 GB VRAM suffices for Stable Diffusion tasks that do not require the B300 power or memory specifications.
FP32 performance of 75 TFLOPS on the B300 provides the numerical throughput needed for scientific workloads compared to 8 TFLOPS on the RTX A2000.
Frequently Asked Questions
What is the memory bandwidth gap between these GPUs?▾
B300 memory bandwidth measures 8000 GB/s against 288 GB/s on the RTX A2000 which affects data movement rates during compute operations.
Which GPU has higher FP16 performance?▾
The B300 reaches 2250 TFLOPS in FP16 dense while the RTX A2000 lists 63.9 TFLOPS in FP16 with sparsity.
What TDP values distinguish the B300 from the RTX A2000?▾
The B300 carries a 1400W TDP rating and the RTX A2000 carries a 70W TDP rating.
Can the RTX A2000 match B300 FP32 output?▾
The RTX A2000 FP32 performance stands at 8 TFLOPS while the B300 reaches 75 TFLOPS.
What interconnect options exist on each GPU?▾
The B300 supports NVLink and PCIe 6.0 while the RTX A2000 uses PCIe 4.0.
Which is cheaper to rent, the B300 or the RTX A2000?▾
Cloud rental prices for both the B300 and RTX A2000 vary by provider, configuration, and availability. This page shows live pricing from 25+ providers updated every 60 seconds. Scroll to the Live Cloud Pricing section to compare current rates.
How much VRAM does the B300 have compared to the RTX A2000?▾
The B300 has 262 to 288 GB of HBM3e memory. The RTX A2000 has 6 to 12 GB of GDDR6 memory.
Can I find B300 and RTX A2000 GPUs available to rent right now?▾
Yes. This page shows real-time availability across 25+ cloud GPU providers. The Live Cloud Pricing section displays only in-stock offers with current pricing.
What is the main difference between the B300 and the RTX A2000?▾
The B300 uses the Blackwell Ultra architecture (2025) while the RTX A2000 uses Ampere (2021). The B300 has 262-288 GB of HBM3e at 8,000 GB/s; the RTX A2000 has 6-12 GB of GDDR6 at 288 GB/s, so the B300 has 27.8x the memory bandwidth of the RTX A2000.
Rent these GPUs
Each GPU page lists every current on-demand offer by provider, per GPU-hour, updated every minute.
Related comparisons
How this page is made
- Specifications come from the NVIDIA, AMD and Intel datasheets for the B300 and the RTX A2000. Dense and sparse throughput are listed separately.
- Prices and availability are live: every offer shown is an in-stock, on-demand listing from a provider we track, rechecked every minute.
- The written comparison (overview, performance notes, when to choose each card, verdict, use cases and FAQ) was drafted with an AI model from the specification table above and passed an automated check that rejects any figure not in that table. It was last generated on . It contains no prices; those are always read live.
- Read how we collect the data, or report an error on this page.
Next steps
- Rent B300Every current offer by provider, daily price history and a price alert.
- Rent RTX A2000Every current offer by provider, daily price history and a price alert.
- GPU price indexHow on-demand prices for the major GPUs have moved, updated daily.
- All GPUsEvery GPU we track, with current lows and provider counts.