A16 vs RTX 3080

AmperevsAmpereUpdated 36 days ago

RTX 3080 emerges as the clear winner for most machine learning use cases, offering 29.8 TFLOPS compute and 760 GB/s bandwidth at one-third the A16's rental cost of $0.48 per hour average. This combination yields superior speed-to-price ratio, outweighing A16's VRAM edge except in niche memory-limited inference.

A16 from $0.47/hr

Specifications Compared

SpecA16RTX-3080
TDP250W320W
VRAM16 GB10-12 GB
CUDA Cores2,5608,704
Memory TypeGDDR6GDDR6X
ArchitectureAmpereAmpere
Form FactorsPCIePCIe
Interconnect
Tensor Cores80272
FP16 Performance4.5 TFLOPS29.8 TFLOPS
FP32 Performance4.5 TFLOPS29.8 TFLOPS
Memory Bandwidth231 GB/s760 GB/s

Performance Analysis

Raw compute power dominates the comparison: RTX 3080 achieves 29.8 TFLOPS FP16 and FP32, over six times the A16's 4.5 TFLOPS in each, translating to significantly faster model training and inference for most deep learning workloads. This FP16/FP32 parity in both GPUs supports mixed-precision training without penalties, but RTX 3080's scale accelerates iterations by reducing epoch times proportionally. For inference, higher TFLOPS enable larger batch sizes within latency budgets, especially in serving pipelines.

Memory bandwidth underscores these gaps: RTX 3080's 760 GB/s dwarfs A16's 231 GB/s by over three times, minimizing data transfer bottlenecks during gradient computations or activations. This benefits training with large batches or high-resolution inputs, preventing stalls that inflate wall-clock time. However, A16's 16 GB VRAM exceeds RTX 3080's 10-12 GB, allowing bigger models or sequences before out-of-memory errors, ideal for inference on VRAM-bound LLMs. Power draw at 320W for RTX 3080 versus 250W influences cloud costs in sustained runs, though RTX 3080's performance per watt remains superior at roughly 0.093 TFLOPS/W compared to A16's 0.018 TFLOPS/W.

Live Cloud Pricing

Real-time prices from 25+ providers. Updated every 60 seconds.

A16

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
Vultr
Vultr
8×NVIDIA A16
64GB VRAM
$0.47/GPU/hr
$3.77/hr total (8×)
Available
Vultr
Vultr
8×NVIDIA A16
64GB VRAM
$0.47/GPU/hr
$3.77/hr total (8×)
Available
Vultr
Vultr
8×NVIDIA A16
64GB VRAM
$0.47/GPU/hr
$3.77/hr total (8×)
Available
Vultr
Vultr
2×NVIDIA A16
64GB VRAM
$0.47/GPU/hr
$0.94/hr total (2×)
Available
Vultr
Vultr
4×NVIDIA A16
64GB VRAM
$0.47/GPU/hr
$1.88/hr total (4×)
Available

Compare real-time pricing across 25+ providers

When to Choose the A16

The A16 excels in VRAM-intensive scenarios like serving large language models where 16 GB GDDR6 supports bigger context windows than RTX 3080's 10-12 GB GDDR6X. Its lower 250W TDP suits power-sensitive cloud providers, and 74 live offers ensure high availability for scaling VDI or graphics workloads. At $0.48 per hour average, it provides reliable capacity for memory-bound inference without frequent swapping.

When to Choose the RTX 3080

RTX 3080 dominates compute-heavy tasks with 29.8 TFLOPS FP16/FP32 and 760 GB/s bandwidth, enabling rapid training or fine-tuning cycles over six times faster than A16's 4.5 TFLOPS and 231 GB/s. Its $0.15 per hour average cost delivers unmatched performance per dollar, ideal for budget-conscious users prioritizing speed in gaming ML or diffusion models. Despite fewer 10 offers, the value suits short bursts or high-throughput needs.

Use Cases

LLM Training
RTX 3080

RTX 3080's 29.8 TFLOPS FP16 vastly outpaces A16's 4.5 TFLOPS, speeding up gradient updates. Lower $0.15/hr average cost enhances value for extended training runs.

LLM Inference
A16

A16's 16 GB VRAM handles larger models without splitting, unlike RTX 3080's 10-12 GB. Higher availability across 74 offers supports production serving.

Fine-tuning
RTX 3080

29.8 TFLOPS FP32 on RTX 3080 accelerates parameter updates over A16's 4.5 TFLOPS. Bandwidth of 760 GB/s sustains large batches efficiently.

Stable Diffusion
RTX 3080

RTX 3080's 760 GB/s bandwidth and 29.8 TFLOPS enable faster image generation than A16's 231 GB/s and 4.5 TFLOPS. Cost at $0.15/hr suits iterative creative work.

Scientific Computing
RTX 3080

High FP32 throughput of 29.8 TFLOPS on RTX 3080 outperforms A16's 4.5 TFLOPS for simulations. Superior performance per watt optimizes long simulations.

Frequently Asked Questions

Which GPU has higher compute performance?

RTX 3080 provides 29.8 TFLOPS FP16 and FP32, compared to A16's 4.5 TFLOPS each. This makes RTX 3080 over six times faster for training and inference. Bandwidth at 760 GB/s further amplifies its advantage.

How does VRAM compare between A16 and RTX 3080?

A16 offers 16 GB GDDR6, exceeding RTX 3080's 10-12 GB GDDR6X. A16 suits larger models or batches. RTX 3080 compensates with higher bandwidth of 760 GB/s.

What are the current cloud rental prices?

A16 starts at $0.47 per hour average $0.48 across 74 offers. RTX 3080 is $0.06 minimum average $0.15 across 10 offers. RTX 3080 provides better value for performance.

Which has lower power consumption?

A16 draws 250W TDP versus RTX 3080's 320W. This benefits power-capped environments. RTX 3080 delivers more TFLOPS per watt at 0.093 versus 0.018.

Are both GPUs from the same architecture?

Both use Ampere, A16 from 2021 and RTX 3080 from 2020. FP16/FP32 performance is identical within each. PCIe form factor ensures broad cloud compatibility.

Which is more available in the cloud?

A16 has 74 live offers versus RTX 3080's 10. This aids multi-GPU scaling. RTX 3080's rarity does not offset its compute superiority for most tasks.

Which is cheaper to rent, the A16 or the RTX 3080?

Cloud rental prices for both the A16 and RTX 3080 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 A16 have compared to the RTX 3080?

The A16 has 16 GB of GDDR6 memory. The RTX 3080 has 10 to 12 GB of GDDR6X memory.

Can I find A16 and RTX 3080 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 A16 and the RTX 3080?

The A16 uses the Ampere architecture (2021) while the RTX 3080 uses Ampere (2020). The RTX 3080 delivers 6.6x the FP16 throughput and 3.3x the memory bandwidth of the A16.