MI325X vs RTX 4070 Ti SUPER

CDNA 3vsAda LovelaceUpdated 35 days ago

The MI325X emerges as the clear winner for demanding AI and HPC workloads due to its 1307 TFLOPS compute, 256 GB VRAM, and 6000 GB/s bandwidth, enabling superior performance in training and large-model inference over the RTX 4070 Ti SUPER's consumer-grade 44.1 TFLOPS and 16 GB VRAM.

RTX 4070 Ti SUPER from $0.50/hr

Specifications Compared

SpecMI325XRTX-4070
TDP750W200W
VRAM256 GB12 GB
Memory TypeHBM3eGDDR6X
ArchitectureCDNA 3Ada Lovelace
Form FactorsOAMPCIe
InterconnectInfinity Fabric
FP8 Performance2,614 TFLOPS
FP16 Performance1,307 TFLOPS29.1 TFLOPS
FP32 Performance1307 TFLOPS29.1 TFLOPS
FP64 Performance40.9 TFLOPS
INT8 Performance2,614 TOPS466 TOPS
Memory Bandwidth6,000 GB/s504 GB/s

Performance Analysis

Peak performance metrics reveal the MI325X's dominance in compute-intensive tasks: its 1307 TFLOPS for FP16 and FP32 enables rapid matrix operations critical for deep learning training and inference, far exceeding the RTX 4070 Ti SUPER's 44.1 TFLOPS in both. This gap translates to the MI325X handling models with billions of parameters much faster, as equal FP16 and FP32 rates optimize both training phases and floating-point heavy simulations.

Memory specifications amplify real-world impacts: the MI325X's 256 GB HBM3e and 6000 GB/s bandwidth support enormous batch sizes in training, reducing iteration times for large language models, whereas the RTX 4070 Ti SUPER's 16 GB GDDR6X and 672 GB/s limit it to smaller batches or model sharding. For inference, high bandwidth on the MI325X sustains throughput under heavy loads, while the RTX 4070 Ti SUPER suits latency-sensitive smaller-scale deployments. Power efficiency favors the RTX 4070 Ti SUPER at 285W, making it viable for edge or multi-GPU setups without extensive cooling.

Live Cloud Pricing

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

RTX 4070 Ti SUPER

ProviderGPU ModelVRAMHost SpecsRegionPriceStatusAction
RunPod
RunPod
NVIDIA GeForce RTX 4070 Ti
12GB VRAM
$0.50/GPU/hr

Compare real-time pricing across 25+ providers

When to Choose the MI325X

The MI325X excels in large-scale AI training and inference where massive VRAM is essential: its 256 GB HBM3e accommodates full precision for models exceeding 100 billion parameters without quantization. High 6000 GB/s bandwidth and 1307 TFLOPS FP16 performance enable efficient handling of enormous datasets and batch sizes in datacenter environments using OAM form factor and Infinity Fabric interconnect.

When to Choose the RTX 4070 Ti SUPER

Opt for the RTX 4070 Ti SUPER in cost-sensitive or power-constrained scenarios: cloud pricing starts at $0.09 per hour, with 44.1 TFLOPS FP32 sufficient for fine-tuning mid-sized models or gaming workloads on PCIe form factor. Its 285W TDP and 16 GB VRAM suit development, prototyping, or inference on models under 10 billion parameters where availability trumps raw scale.

Use Cases

LLM Training
MI325X

The MI325X's 256 GB HBM3e VRAM and 1307 TFLOPS FP16 performance handle massive datasets and large batch sizes essential for training billion-parameter LLMs. The RTX 4070 Ti SUPER's 16 GB limits scalability.

LLM Inference
MI325X

High 6000 GB/s bandwidth and 1307 TFLOPS on the MI325X sustain high throughput for production-scale inference. The RTX 4070 Ti SUPER works for smaller models but bottlenecks on memory.

Fine-tuning
Either

Fine-tuning mid-sized models fits the RTX 4070 Ti SUPER's 16 GB VRAM and $0.09/hr pricing for quick iterations. MI325X overkill unless datasets demand 256 GB.

Stable Diffusion
RTX 4070 Ti SUPER

RTX 4070 Ti SUPER's Ada architecture optimizes image generation with 44.1 TFLOPS and low 285W TDP at affordable cloud rates. MI325X lacks consumer optimizations.

Scientific Computing
MI325X

MI325X's 1307 TFLOPS FP32 and Infinity Fabric excel in simulations requiring high memory bandwidth of 6000 GB/s. RTX 4070 Ti SUPER insufficient for large-scale computations.

Frequently Asked Questions

Which GPU has more VRAM: MI325X or RTX 4070 Ti SUPER?

The MI325X provides 256 GB HBM3e VRAM, vastly superior to the 16 GB GDDR6X on the RTX 4070 Ti SUPER. This enables the MI325X to load much larger models without offloading.

What is the memory bandwidth difference?

MI325X achieves 6000 GB/s with HBM3e, compared to 672 GB/s on the RTX 4070 Ti SUPER. Higher bandwidth on MI325X supports larger batch sizes in AI workloads.

How do FP16 performances compare?

MI325X delivers 1307 TFLOPS FP16, while RTX 4070 Ti SUPER offers 44.1 TFLOPS. This makes MI325X ideal for accelerated deep learning training.

What are the TDPs of these GPUs?

The MI325X has a 750W TDP for datacenter use, versus 285W on the RTX 4070 Ti SUPER. Lower TDP aids efficiency in smaller setups.

Is there cloud pricing for these GPUs?

RTX 4070 Ti SUPER starts at $0.09 per hour average $0.17 per hour across 2 offers. MI325X has no live offers currently.

Which is better for AI training?

MI325X outperforms with 1307 TFLOPS and 256 GB VRAM for large-scale training. RTX 4070 Ti SUPER suits prototyping at lower cost.

Which is cheaper to rent, the MI325X or the RTX 4070?

Cloud rental prices for both the MI325X and RTX 4070 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 MI325X have compared to the RTX 4070?

The MI325X has 256 GB of HBM3e memory. The RTX 4070 has 12 GB of GDDR6X memory.

Can I find MI325X and RTX 4070 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 MI325X and the RTX 4070?

The MI325X uses the CDNA 3 architecture (2024) while the RTX 4070 uses Ada Lovelace (2023). The MI325X delivers 44.9x the FP16 throughput and 11.9x the memory bandwidth of the RTX 4070.