GTX 1080 vs RTX 3070

PascalvsAmpereUpdated 36 days ago

The RTX 3070 emerges as the clear winner for common use cases like LLM training and inference: its 20.3 TFLOPS compute doubles the GTX 1080's 8.9 TFLOPS while 448 GB/s bandwidth outperforms 320 GB/s, all at one-sixth the starting cloud price of $0.04 per hour versus $0.30 per hour.

GTX 1080 from $0.30/hr

Specifications Compared

SpecGTX-1080RTX-3070
TDP180W220W
VRAM8-11 GB8 GB
CUDA Cores2,5605,888
Memory TypeGDDR5XGDDR6
ArchitecturePascalAmpere
Form FactorsPCIePCIe
Interconnect
FP16 Performance8.9 TFLOPS20.3 TFLOPS
FP32 Performance8.9 TFLOPS20.3 TFLOPS
Memory Bandwidth320 GB/s448 GB/s

Performance Analysis

The RTX 3070 outperforms the GTX 1080 in raw compute by more than double: 20.3 TFLOPS FP16 and FP32 compared to 8.9 TFLOPS on the GTX 1080. This delta translates to faster model training times, where FP32 handles gradient computations, potentially reducing epochs by over 50 percent on equivalent datasets. Inference benefits similarly, as higher FP16 throughput accelerates batched predictions in deployment scenarios.

Memory bandwidth represents another key advantage for the RTX 3070 at 448 GB/s versus 320 GB/s on the GTX 1080: higher rates support larger batch sizes without bottlenecks, crucial for training large language models or fine-tuning with extensive datasets. The Ampere architecture's GDDR6 memory sustains these transfers more efficiently than Pascal's GDDR5X, minimizing latency in data-heavy tasks. TDP differences, 220W for RTX 3070 against 180W for GTX 1080, imply modest power scaling for performance gains.

Overall, these specs position the RTX 3070 for contemporary workloads: its 2.3 times FP32 uplift and 40 percent bandwidth increase enable scalable AI pipelines unavailable on the older GTX 1080.

Live Cloud Pricing

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

GTX 1080

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
LeaderGPU
LeaderGPU
4×NVIDIA GeForce GTX 1080
8GB VRAM
$0.30/GPU/hr
$1.20/hr total (4×)
Available
LeaderGPU
LeaderGPU
8×NVIDIA GeForce GTX 1080 Ti
11GB VRAM
$0.60/GPU/hr
$4.80/hr total (8×)
Available

Compare real-time pricing across 25+ providers

When to Choose the GTX 1080

The GTX 1080 suits scenarios requiring up to 11 GB VRAM, exceeding the RTX 3070's 8 GB capacity for memory-intensive tasks like loading oversized datasets in scientific computing. Its lower 180W TDP appeals in power-constrained cloud instances where 220W exceeds limits. Current pricing from $0.30 per hour across 2 offers fits niche legacy Pascal-optimized software without Ampere dependencies.

When to Choose the RTX 3070

The RTX 3070 excels in most modern AI tasks due to 20.3 TFLOPS FP16 and FP32 performance, over twice the GTX 1080's 8.9 TFLOPS, enabling quicker training and inference. Superior 448 GB/s bandwidth handles larger batches efficiently compared to 320 GB/s. Cloud pricing from $0.04 per hour across 6 offers delivers unmatched value for Ampere-compatible workloads.

Use Cases

LLM Training
RTX 3070

RTX 3070's 20.3 TFLOPS FP32 doubles GTX 1080's 8.9 TFLOPS for faster gradient computations. Lower $0.04 per hour pricing supports extended training sessions.

LLM Inference
RTX 3070

Higher 20.3 TFLOPS FP16 on RTX 3070 accelerates batched predictions over GTX 1080's 8.9 TFLOPS. 448 GB/s bandwidth sustains high throughput.

Fine-tuning
RTX 3070

Ampere's 20.3 TFLOPS and 448 GB/s bandwidth enable efficient parameter updates versus Pascal's 8.9 TFLOPS and 320 GB/s. Cost averages $0.08 per hour.

Stable Diffusion
RTX 3070

RTX 3070's superior 20.3 TFLOPS FP16 speeds image generation compared to 8.9 TFLOPS. Newer architecture optimizes diffusion pipelines.

Scientific Computing
GTX 1080

GTX 1080's up to 11 GB VRAM handles larger simulations than RTX 3070's 8 GB. Lower 180W TDP fits constrained environments.

Frequently Asked Questions

Is the RTX 3070 faster than the GTX 1080?

Yes, the RTX 3070 delivers 20.3 TFLOPS FP32 compared to the GTX 1080's 8.9 TFLOPS, more than doubling performance. Memory bandwidth reaches 448 GB/s on RTX 3070 versus 320 GB/s.

Which has more VRAM: GTX 1080 or RTX 3070?

GTX 1080 offers 8 to 11 GB GDDR5X, potentially exceeding RTX 3070's 8 GB GDDR6. Choose GTX 1080 for VRAM-critical tasks.

What is the cloud rental price difference?

RTX 3070 starts at $0.04 per hour average $0.08 across 6 offers, while GTX 1080 begins at $0.30 per hour average $0.45 across 2 offers. RTX 3070 provides better value.

Does RTX 3070 use more power than GTX 1080?

RTX 3070 has 220W TDP versus GTX 1080's 180W. The increase supports higher 20.3 TFLOPS performance.

Are both GPUs suitable for machine learning?

RTX 3070's Ampere architecture with 20.3 TFLOPS FP16 excels in modern ML over Pascal's 8.9 TFLOPS. GTX 1080 works for legacy setups.

Which architecture is newer?

RTX 3070 uses 2020 Ampere versus GTX 1080's 2016 Pascal. Ampere includes tensor cores for AI acceleration.

Which is cheaper to rent, the GTX 1080 or the RTX 3070?

Cloud rental prices for both the GTX 1080 and RTX 3070 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 GTX 1080 have compared to the RTX 3070?

The GTX 1080 has 8 to 11 GB of GDDR5X memory. The RTX 3070 has 8 GB of GDDR6 memory.

Can I find GTX 1080 and RTX 3070 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 GTX 1080 and the RTX 3070?

The GTX 1080 uses the Pascal architecture (2016) while the RTX 3070 uses Ampere (2020). The RTX 3070 delivers 2.3x the FP16 throughput and 1.4x the memory bandwidth of the GTX 1080.

GTX 1080 vs RTX 3070: 2.3x FP16 Gap, 8GB vs 11GB | GPUPerHour