MI325X vs TITAN V

CDNA 3vsVoltaUpdated 35 days ago

MI325X emerges as the clear winner for modern AI tasks. Its 1307 TFLOPS FP16/FP32 and 256 GB VRAM enable training and inference on models infeasible for TITAN V's 13.8 TFLOPS and 12 GB limits, justifying the power trade-off in performance-critical scenarios.

Specifications Compared

SpecMI325XTITAN-V
TDP750W250W
VRAM256 GB12 GB
Memory TypeHBM3eHBM2
ArchitectureCDNA 3Volta
Form FactorsOAMPCIe
InterconnectInfinity Fabric
FP8 Performance2,614 TFLOPS
FP16 Performance1,307 TFLOPS13.8 TFLOPS
FP32 Performance1307 TFLOPS13.8 TFLOPS
FP64 Performance40.9 TFLOPS6.9 TFLOPS
INT8 Performance2,614 TOPS
Memory Bandwidth6,000 GB/s653 GB/s

Performance Analysis

MI325X vastly outperforms TITAN V in compute throughput: its 1307 TFLOPS FP16 and FP32 ratings deliver approximately 95 times the performance of TITAN V's 13.8 TFLOPS. This delta accelerates deep learning training, where FP16 precision halves memory usage without accuracy loss, enabling faster iterations on large datasets.

Memory bandwidth defines real-world bottlenecks: MI325X's 6000 GB/s supports massive batch sizes in model training, preventing out-of-memory errors that plague TITAN V's 653 GB/s on datasets exceeding 12 GB VRAM. For inference, FP8 at 2614 TFLOPS on MI325X further boosts throughput for serving multiple queries, unlike TITAN V's absence of FP8 support.

Power efficiency shifts with scale: TITAN V's 250W TDP yields 0.055 TFLOPS per watt in FP32, while MI325X's 750W provides 1.74 TFLOPS per watt, favoring dense deployments despite higher absolute draw.

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When to Choose the MI325X

Select the MI325X for datacenter-scale AI workloads requiring extensive VRAM. Its 256 GB HBM3e handles large language models during training or inference, where TITAN V's 12 GB HBM2 fails on batches over 10 GB.

OAM form factor and Infinity Fabric suit multi-GPU clusters, delivering 6000 GB/s bandwidth for seamless scaling absent in TITAN V's PCIe design.

When to Choose the TITAN V

Choose TITAN V for legacy software tied to Volta architecture or low-power desktop setups. Its 250W TDP fits environments without robust cooling, unlike MI325X's 750W demand.

PCIe compatibility aids quick integration into older servers running Volta-optimized code, avoiding reconfiguration for CDNA 3.

Use Cases

LLM Training
MI325X

MI325X's 256 GB HBM3e and 1307 TFLOPS FP16 support massive datasets and batch sizes. TITAN V's 12 GB VRAM causes frequent out-of-memory issues.

LLM Inference
MI325X

2614 TFLOPS FP8 on MI325X accelerates high-throughput serving. TITAN V lacks FP8 and sufficient 653 GB/s bandwidth for large models.

Fine-tuning
MI325X

1307 TFLOPS FP32 and 6000 GB/s bandwidth enable efficient parameter updates on big models. TITAN V's 13.8 TFLOPS limits scale.

Stable Diffusion
MI325X

MI325X's VRAM handles high-resolution generations without swapping. TITAN V struggles beyond basic 512x512 images due to 12 GB limit.

Scientific Computing
MI325X

CDNA 3 optimizations and 6000 GB/s bandwidth speed simulations. TITAN V suits only small-scale legacy codes.

Frequently Asked Questions

What is the VRAM capacity of MI325X versus TITAN V?

MI325X features 256 GB HBM3e VRAM, while TITAN V has 12 GB HBM2. This 21-fold increase allows MI325X to process models up to 256 GB without paging.

How do FP16 performance figures compare?

MI325X delivers 1307 TFLOPS FP16, compared to TITAN V's 13.8 TFLOPS. The gap equates to roughly 95 times faster tensor operations for AI workloads.

What are the memory bandwidth differences?

MI325X provides 6000 GB/s, exceeding TITAN V's 653 GB/s by over 9 times. Higher bandwidth supports larger batch sizes in training.

Which GPU has lower TDP?

TITAN V consumes 250W TDP, versus MI325X's 750W. TITAN V suits power-constrained setups, while MI325X prioritizes peak performance.

What architectures do they use?

MI325X employs CDNA 3 from 2024, optimized for datacenter AI. TITAN V uses 2017 Volta, geared toward general compute.

Are live pricing offers available?

No live offers exist for either GPU currently. Check gpuperhour.com for updates on MI325X OAM or TITAN V PCIe rentals.

Which is cheaper to rent, the MI325X or the TITAN V?

Cloud rental prices for both the MI325X and TITAN V 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 TITAN V?

The MI325X has 256 GB of HBM3e memory. The TITAN V has 12 GB of HBM2 memory.

Can I find MI325X and TITAN V 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 TITAN V?

The MI325X uses the CDNA 3 architecture (2024) while the TITAN V uses Volta (2017). The MI325X delivers 94.7x the FP16 throughput and 9.2x the memory bandwidth of the TITAN V.