Specifications Compared
| Spec | RTX-2080 | RTX-3080 |
|---|---|---|
| TDP | 215W | 320W |
| VRAM | 8-11 GB | 10-12 GB |
| CUDA Cores | 2,944 | 8,704 |
| Memory Type | GDDR6 | GDDR6X |
| Architecture | Turing | Ampere |
| Form Factors | PCIe | PCIe |
| Interconnect | NVLink | |
| Tensor Cores | 368 | 272 |
| FP16 Performance | 10.1 TFLOPS | 29.8 TFLOPS |
| FP32 Performance | 10.1 TFLOPS | 29.8 TFLOPS |
| Memory Bandwidth | 616 GB/s | 760 GB/s |
Performance Analysis
The RTX 3080 demonstrates superior raw compute with 29.8 TFLOPS in FP16 and FP32, compared to 10.1 TFLOPS on the RTX 2080 Ti: a 195 percent increase. This delta accelerates machine learning training and inference tasks significantly, as FP16 handles mixed-precision computations common in deep learning frameworks.
Higher memory bandwidth on the RTX 3080: 760 GB/s versus 616 GB/s on RTX 2080 Ti, enables larger batch sizes in training runs. For instance, models requiring high data throughput benefit from the 23 percent bandwidth advantage, reducing bottlenecks in VRAM-intensive workloads like large language model inference.
Power draw rises with performance: RTX 3080 at 320W TDP exceeds RTX 2080 Ti's 215W, impacting multi-GPU cloud setups. VRAM capacity edges higher on RTX 3080 at 10-12 GB GDDR6X over 8-11 GB GDDR6, supporting bigger models without swapping.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX 2080 Ti
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 Vast.ai | NVIDIA GeForce RTX 2080 Ti 11GB VRAM | 11GB | 32 vCPU 63GB RAM 1273GB Storage | Maryland | $0.13/GPU/hr | Available |
When to Choose the RTX 2080 Ti
Opt for the RTX 2080 Ti in power-sensitive environments or legacy applications optimized for Turing architecture. Its 215W TDP consumes 33 percent less power than the RTX 3080's 320W, ideal for cost-controlled cloud instances.
At an average $0.11/hr versus $0.17/hr, it suits lighter inference tasks or prototyping where 10.1 TFLOPS FP32 suffices and 616 GB/s bandwidth handles moderate batch sizes.
When to Choose the RTX 3080
Select the RTX 3080 for demanding machine learning workloads needing high throughput. Its 29.8 TFLOPS FP16/FP32 outperforms RTX 2080 Ti by nearly 3x, speeding up training cycles.
The 760 GB/s bandwidth and 10-12 GB GDDR6X VRAM excel in large-batch training or Stable Diffusion generation, justifying the $0.17/hr average despite similar $0.06/hr lows.
Use Cases
RTX 3080 provides 29.8 TFLOPS FP32, nearly 3x the 10.1 TFLOPS of RTX 2080 Ti, accelerating large model training. Higher 760 GB/s bandwidth handles bigger batches.
29.8 TFLOPS FP16 on RTX 3080 enables faster token generation than 10.1 TFLOPS on RTX 2080 Ti. 10-12 GB VRAM supports larger models without issues.
RTX 3080's 195 percent compute advantage over RTX 2080 Ti shortens fine-tuning epochs. Improved bandwidth reduces data loading delays.
RTX 3080 generates images quicker with 29.8 TFLOPS and 760 GB/s bandwidth versus RTX 2080 Ti's lower specs. GDDR6X VRAM aids high-resolution outputs.
RTX 2080 Ti suffices for FP32 tasks at 10.1 TFLOPS and $0.11/hr average if power limited. RTX 3080 excels at 29.8 TFLOPS for intensive simulations.
Frequently Asked Questions
Which GPU has more VRAM: RTX 2080 Ti or RTX 3080?▾
RTX 3080 offers 10-12 GB GDDR6X, slightly more than RTX 2080 Ti's 8-11 GB GDDR6. This benefits memory-heavy tasks like LLM inference. Both handle most workloads adequately.
Is RTX 3080 faster than RTX 2080 Ti?▾
RTX 3080 achieves 29.8 TFLOPS FP32, 195 percent above RTX 2080 Ti's 10.1 TFLOPS. Real-world ML training runs 2-3x quicker. Bandwidth at 760 GB/s versus 616 GB/s aids this.
What are the cloud rental prices for these GPUs?▾
RTX 2080 Ti starts at $0.06/hr, averaging $0.11/hr across 6 offers. RTX 3080 also starts at $0.06/hr but averages $0.17/hr over 6 offers. Prices fluctuate by provider.
Does RTX 2080 Ti support NVLink?▾
RTX 2080 Ti includes NVLink interconnect for multi-GPU scaling. RTX 3080 lacks this feature. Use NVLink for Turing-optimized parallel computing.
Which has higher power consumption?▾
RTX 3080 draws 320W TDP, 49 percent more than RTX 2080 Ti's 215W. Consider this for multi-GPU cloud clusters. Lower TDP saves on power costs.
RTX 3080 vs RTX 2080 Ti for machine learning?▾
RTX 3080 wins with 29.8 TFLOPS FP16/FP32 and 760 GB/s bandwidth for training and inference. RTX 2080 Ti fits budget setups at 10.1 TFLOPS and lower $0.11/hr pricing.
Which is cheaper to rent, the RTX 2080 or the RTX 3080?▾
Cloud rental prices for both the RTX 2080 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 RTX 2080 have compared to the RTX 3080?▾
The RTX 2080 has 8 to 11 GB of GDDR6 memory. The RTX 3080 has 10 to 12 GB of GDDR6X memory.
Can I find RTX 2080 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 RTX 2080 and the RTX 3080?▾
The RTX 2080 uses the Turing architecture (2018) while the RTX 3080 uses Ampere (2020). The RTX 3080 delivers 3.0x the FP16 throughput and 1.2x the memory bandwidth of the RTX 2080.