GPU Comparison

NVIDIA RTX 3090vsAMD MI300X

Detailed specifications, performance benchmarks, and pricing comparison to help you choose the right GPU for your AI workloads.

NVIDIA

NVIDIA RTX 3090

Ampere · 2020

VRAM24 GB GDDR6X
FP3235.6 TFLOPS
FP1671 TFLOPS
Bandwidth936 GB/s
TDP350W
Price$0.22/hr
AMD

AMD MI300X

CDNA 3 · 2023

Faster
VRAM192 GB HBM3
FP32163 TFLOPS
FP16326 TFLOPS
Bandwidth5300 GB/s
TDP750W
Price$2.50/hr

Specifications · Comparison

Side by side specs.

SpecNVIDIA RTX 3090AMD MI300X
ArchitectureAmpereCDNA 3
VRAM24 GB192 GB+87.5%
Memory TypeGDDR6XHBM3
Memory Bandwidth936 GB/s5300 GB/s+82.3%
FP32 Performance35.6 TFLOPS163 TFLOPS+78.2%
FP16 Performance71 TFLOPS326 TFLOPS+78.2%
INT8 Performance284 TOPS2610 TOPS+89.1%
TDP350W750W
Form FactorConsumerOAM
Price (avg/hr)$0.22$2.50

Performance · Analysis

Performance breakdown.

Compute (FP32)

Raw single-precision floating point throughput

NVIDIA RTX 3090
35.6TFLOPS
AMD MI300X
163TFLOPSWinner

AMD MI300X is 78.2% faster

Training (FP16)

Half-precision performance for deep learning training

NVIDIA RTX 3090
71TFLOPS
AMD MI300X
326TFLOPSWinner

AMD MI300X is 78.2% faster

Inference (INT8)

Integer performance for model inference workloads

NVIDIA RTX 3090
284TOPS
AMD MI300X
2610TOPSWinner

AMD MI300X is 89.1% faster

Memory Bandwidth

Data transfer rate between memory and compute units

NVIDIA RTX 3090
936GB/s
AMD MI300X
5300GB/sWinner

AMD MI300X is 82.3% faster

Best Compute

AMD MI300X

Most Memory

AMD MI300X

Best Training

AMD MI300X

Best Value

NVIDIA RTX 3090

Pricing · Cost

Cost comparison.

Hourly

NVIDIA RTX 3090
$0.22/hr
AMD MI300X
$2.50/hr

Save $2.28 with NVIDIA RTX 3090

Daily

NVIDIA RTX 3090
$5.28/day
AMD MI300X
$60.00/day

Save $54.72 with NVIDIA RTX 3090

Monthly

NVIDIA RTX 3090
$158.40/mo
AMD MI300X
$1800.00/mo

Save $1641.60 with NVIDIA RTX 3090

Use Cases · Workloads

Best for your workload.

NVIDIA

NVIDIA RTX 3090

AI Prototyping
Content Creation
Budget ML Training
AMD

AMD MI300X

LLM Training
AI Research
HPC
Scientific Computing

Platform · Benefits

Why Runcrate.

Instant Deployment

Get your GPU instance running in minutes with pre-configured AI environments. No setup complexity.

Pay Per Hour

Only pay for the compute you actually use. Prepaid credits with transparent, per-hour billing.

Reliable Infrastructure

Enterprise-grade reliability with automatic failover and data persistence across sessions.

FAQ · Questions

Common questions.

Start Building Today

Deploy NVIDIA RTX 3090 or AMD MI300X

Get started with GPU cloud computing in minutes. No setup complexity, no long-term commitments.

No credit card required
Pay-per-hour billing
Cancel anytime