Specifications Compared
| Spec | MI325X | RTX-4070 |
|---|---|---|
| TDP | 750W | 200W |
| VRAM | 256 GB | 12 GB |
| Memory Type | HBM3e | GDDR6X |
| Architecture | CDNA 3 | Ada Lovelace |
| Form Factors | OAM | PCIe |
| Interconnect | Infinity Fabric | |
| FP8 Performance | 2,614 TFLOPS | |
| FP16 Performance | 1,307 TFLOPS | 29.1 TFLOPS |
| FP32 Performance | 1307 TFLOPS | 29.1 TFLOPS |
| FP64 Performance | 40.9 TFLOPS | |
| INT8 Performance | 2,614 TOPS | 466 TOPS |
| Memory Bandwidth | 6,000 GB/s | 504 GB/s |
Performance Analysis
Superior compute defines the MI325X: its 1307 TFLOPS FP16 and FP32 rates enable model training 45 times faster than the RTX 4070 Ti's 29.1 TFLOPS, accelerating deep learning iterations. Balanced FP16 and FP32 performance on both GPUs supports mixed-precision training, but MI325X's FP8 at 2614 TFLOPS optimizes inference for quantized models, a feature absent on RTX 4070 Ti.
Memory specs transform workloads: 256 GB HBM3e on MI325X handles enormous batch sizes for LLMs exceeding 12 GB GDDR6X on RTX 4070 Ti, avoiding fragmentation issues. The 6000 GB/s bandwidth sustains high-throughput data movement in training loops, compared to 504 GB/s on RTX 4070 Ti, which limits large-scale inference efficiency. Power draw follows suit, 750W TDP for MI325X intensity versus 200W for lighter RTX 4070 Ti tasks.
Live Cloud Pricing
Real-time prices from 25+ providers. Updated every 60 seconds.
RTX 4070 Ti
| Provider | GPU Model | VRAM | Host Specs | Region | Price | Status | Action | |
|---|---|---|---|---|---|---|---|---|
 RunPod | NVIDIA GeForce RTX 4070 Ti 12GB VRAM | 12GB | 6 vCPU 30GB RAM | 🌍global | $0.50/GPU/hr |
When to Choose the MI325X
Datacenter-scale AI training demands the MI325X, where 256 GB HBM3e VRAM fits massive models and 1307 TFLOPS FP16 speeds convergence. Infinity Fabric interconnects enable multi-GPU clusters in OAM form factors for scientific simulations requiring 6000 GB/s bandwidth.
High-precision FP32 workloads at 1307 TFLOPS favor MI325X over consumer alternatives.
When to Choose the RTX 4070 Ti
Cost-sensitive projects suit the RTX 4070 Ti, with cloud pricing from $0.08 per hour and average $0.22 per hour across five offers. Its 12 GB GDDR6X and 29.1 TFLOPS FP16 handle small-batch inference or Stable Diffusion without excess 750W power draw.
PCIe compatibility aids desktop or edge deployments where 200W TDP and 504 GB/s bandwidth suffice.
Use Cases
MI325X's 256 GB HBM3e VRAM accommodates full model sizes, and 1307 TFLOPS FP16 delivers 45 times the speed of RTX 4070 Ti's 29.1 TFLOPS.
2614 TFLOPS FP8 on MI325X boosts quantized throughput; 6000 GB/s bandwidth supports large batches unlike RTX 4070 Ti's 504 GB/s.
1307 TFLOPS FP32 handles parameter updates efficiently; 256 GB VRAM prevents swapping in RTX 4070 Ti's 12 GB constraint.
RTX 4070 Ti's 12 GB GDDR6X and 29.1 TFLOPS FP16 suffice for image generation at $0.08 per hour, avoiding MI325X's unavailable offers.
MI325X's 1307 TFLOPS FP32 and Infinity Fabric scaling excel in simulations; 750W TDP matches datacenter needs over RTX 4070 Ti's 200W.
Frequently Asked Questions
Which GPU has more VRAM?▾
The MI325X provides 256 GB HBM3e, enabling larger models than the RTX 4070 Ti's 12 GB GDDR6X. This difference supports batch sizes fitting hundreds of billions of parameters.
What is the memory bandwidth comparison?▾
MI325X delivers 6000 GB/s, 12 times the RTX 4070 Ti's 504 GB/s. Higher bandwidth reduces bottlenecks in data-heavy AI training.
How do FP16 performances differ?▾
MI325X achieves 1307 TFLOPS FP16, versus 29.1 TFLOPS on RTX 4070 Ti. This yields roughly 45-fold acceleration for tensor operations.
What are the TDPs?▾
MI325X requires 750W for peak output, while RTX 4070 Ti uses 200W. Lower TDP lowers operational costs for lighter workloads.
Is cloud pricing available for both?▾
RTX 4070 Ti offers start at $0.08 per hour, averaging $0.22 per hour across five providers; MI325X has no live offers currently.
Which suits large-scale training?▾
MI325X excels with 256 GB VRAM and 1307 TFLOPS FP32. RTX 4070 Ti's 12 GB limits it to smaller models.
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.