GTX 1080 vs MI300X

PascalvsCDNA 3Updated 36 days ago

The MI300X emerges as the clear winner for modern AI and compute tasks: its 1307 TFLOPS FP16 dwarfs the GTX 1080's 8.9 TFLOPS, and 192 GB VRAM enables unprecedented batch sizes. Legacy users may prefer GTX 1080's affordability, but data center dominance favors MI300X across most use cases.

GTX 1080 from $0.30/hrMI300X from $1.99/hr

Specifications Compared

SpecGTX-1080MI300X
TDP180W750W
VRAM8-11 GB192 GB
CUDA Cores2,560
Memory TypeGDDR5XHBM3
ArchitecturePascalCDNA 3
Form FactorsPCIeOAM
InterconnectInfinity Fabric, PCIe 5.0
FP16 Performance8.9 TFLOPS1,307 TFLOPS
FP32 Performance8.9 TFLOPS163 TFLOPS
Memory Bandwidth320 GB/s5,300 GB/s

Performance Analysis

Memory capacity and bandwidth define key differences: GTX 1080's 8 to 11 GB GDDR5X at 320 GB/s limits it to small batch sizes in deep learning, whereas MI300X's 192 GB HBM3 at 5300 GB/s supports massive datasets and larger models without swapping. Compute capabilities show MI300X dominance: its 1307 TFLOPS FP16 exceeds GTX 1080's 8.9 TFLOPS by over 146 times, accelerating mixed-precision training and inference in neural networks. The FP16 to FP32 ratio highlights specialization: GTX 1080 balances both at 8.9 TFLOPS for general graphics, but MI300X's FP32 at 163 TFLOPS prioritizes high-throughput AI with FP8 at 2614 TFLOPS for inference. Power draw impacts deployment: 180W for GTX 1080 suits edge computing, while 750W for MI300X demands data center cooling. These specs translate to MI300X handling LLM training batches 20 times larger, reducing epochs significantly.

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

MI300X

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
AMD Instinct MI300X
192GB VRAM
$1.99/GPU/hr
Hot Aisle
Hot Aisle
AMD Instinct MI300X
192GB VRAM
$1.99/GPU/hr
Available
Cirrascale
Cirrascale
8×AMD Instinct MI300X
192GB VRAM
$3.08/GPU/hr
$24.64/hr total (8×)
Crusoe
Crusoe
AMD Instinct MI300X
192GB VRAM
$3.45/GPU/hr
Cirrascale
Cirrascale
8×AMD Instinct MI300X
192GB VRAM
$3.47/GPU/hr
$27.76/hr total (8×)

Compare real-time pricing across 25+ providers

When to Choose the GTX 1080

Choose the GTX 1080 for budget gaming, legacy CUDA applications, or light machine learning inference where 8.9 TFLOPS FP32 suffices. Its 180W TDP and PCIe form factor enable easy integration into desktops or small servers at $0.30 per hour starting price. Developers with models under 8 GB VRAM benefit from its low average cost of $0.45 per hour across two cloud offers, avoiding overkill for non-AI tasks.

When to Choose the MI300X

Select the MI300X for large-scale AI training or inference requiring 192 GB HBM3 VRAM and 5300 GB/s bandwidth. Its 1307 TFLOPS FP16 and 2614 TFLOPS FP8 excel in LLM fine-tuning or scientific simulations, despite 750W TDP and OAM form factor needing Infinity Fabric or PCIe 5.0. Cloud availability across nine offers at $0.50 per hour minimum justifies the $2.63 per hour average for high-throughput workloads.

Use Cases

LLM Training
MI300X

MI300X's 1307 TFLOPS FP16 and 192 GB HBM3 support massive models and batches unattainable on GTX 1080's 8.9 TFLOPS and 8-11 GB VRAM.

LLM Inference
MI300X

2614 TFLOPS FP8 on MI300X accelerates high-volume inference with 5300 GB/s bandwidth, far beyond GTX 1080's 8.9 TFLOPS FP16.

Fine-tuning
MI300X

163 TFLOPS FP32 and 192 GB VRAM handle large parameter fine-tuning efficiently, unlike GTX 1080's limited 8.9 TFLOPS and 11 GB maximum.

Stable Diffusion
MI300X

MI300X's superior FP16 at 1307 TFLOPS generates images faster with larger resolutions via 5300 GB/s bandwidth over GTX 1080's constraints.

Scientific Computing
MI300X

192 GB HBM3 and Infinity Fabric interconnect enable complex simulations, surpassing GTX 1080's 320 GB/s and PCIe limitations.

Frequently Asked Questions

Which GPU has more VRAM?

The MI300X offers 192 GB HBM3 VRAM compared to GTX 1080's 8 to 11 GB GDDR5X. This enables MI300X to process much larger models without memory constraints.

How do FP16 performances compare?

MI300X delivers 1307 TFLOPS FP16 versus GTX 1080's 8.9 TFLOPS. The difference exceeds 146 times, favoring MI300X for AI training.

What is the memory bandwidth difference?

MI300X provides 5300 GB/s with HBM3, while GTX 1080 has 320 GB/s GDDR5X. This impacts batch sizes and data throughput significantly.

Which is cheaper in the cloud?

GTX 1080 starts at $0.30 per hour averaging $0.45 across two offers. MI300X begins at $0.50 per hour with $2.63 average over nine offers.

What are the TDPs?

GTX 1080 consumes 180W, suitable for low-power setups. MI300X requires 750W, demanding robust data center infrastructure.

Which architecture is newer?

MI300X uses 2023 CDNA 3 architecture with PCIe 5.0 and Infinity Fabric. GTX 1080 relies on 2016 Pascal with PCIe.

Which is cheaper to rent, the GTX 1080 or the MI300X?

Cloud rental prices for both the GTX 1080 and MI300X 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 MI300X?

The GTX 1080 has 8 to 11 GB of GDDR5X memory. The MI300X has 192 GB of HBM3 memory.

Can I find GTX 1080 and MI300X 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 MI300X?

The GTX 1080 uses the Pascal architecture (2016) while the MI300X uses CDNA 3 (2023). The MI300X delivers 146.9x the FP16 throughput and 16.6x the memory bandwidth of the GTX 1080.

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