RTX 4090 vs RTX Pro 6000
Explore a head to head comparison of specifications, performance, and pricing.
RTX 4090
The NVIDIA RTX 4090 delivers high-performance computing capabilities for AI, machine learning, and data science applications.
RTX Pro 6000
The NVIDIA RTX Pro 6000 delivers high-performance computing capabilities for AI, machine learning, and data science applications.
RTX 4090 vs RTX Pro 6000: Which Should You Choose?
The RTX Pro 6000 offers 96 GB of VRAM — 4× the 24 GB on the RTX 4090 — making it better suited for large model workloads that require holding more parameters in GPU memory. On FP16 throughput, the RTX Pro 6000 delivers 126 TFLOPS versus 82.58 TFLOPS on the RTX 4090 — 1.5× faster for mixed-precision training and inference. Memory bandwidth favors the RTX Pro 6000 at 0.00 TB/s compared to 0.00 TB/s on the RTX 4090, which directly impacts inference latency for memory-bandwidth-bound models. Architecturally, the RTX 4090 is built on Ada Lovelace while the RTX Pro 6000 uses Blackwell, reflecting different generational capabilities and optimizations. On Shadeform, the RTX 4090 starts from $0.60/hr versus $1.25/hr for the RTX Pro 6000 — 108% more expensive — reflecting the performance premium. The RTX Pro 6000 is available across 7 cloud providers on Shadeform compared to 3 for the RTX 4090, giving more options for region and pricing flexibility.
RTX 4090 — Best Use Cases
- •LLM inference and model serving
- •Image generation and diffusion models
- •Smaller fine-tuning runs
- •Cost-efficient GPU compute
Choose RTX 4090 when:
- ✓24 GB VRAM is sufficient for your workload
- ✓Cost efficiency is your primary concern
- ✓Your workload does not require peak FP16 throughput
- ✓Your preferred provider already has availability
RTX Pro 6000 — Best Use Cases
- •Next-generation LLM pre-training at scale
- •Trillion-parameter model inference
- •Ultra-high-throughput AI workloads
- •Advanced HPC and scientific computing
Choose RTX Pro 6000 when:
- ✓You need 96 GB+ VRAM for large models or long context windows
- ✓Maximum performance justifies the higher cost
- ✓You are training large models or running high-throughput inference
- ✓You need flexibility across multiple cloud providers or regions
See how the RTX 4090 & RTX Pro 6000 compare
Compare detailed hardware specifications and average pricing for the RTX 4090 and RTX Pro 6000.
Compare Hardware Specifications
| RTX 4090 | RTX Pro 6000 | |
|---|---|---|
| GPU Type | RTX 4090 | RTX Pro 6000 |
| VRAM per GPU | 24 GB | 96 GB |
| Manufacturer | NVIDIA | NVIDIA |
| Architecture | Ada Lovelace | Blackwell |
| Interconnect | PCIe Gen4 | PCIe Gen5 |
| Memory Bandwidth | 1.008 TB/s | 1.59 TB/s |
| FP16 TFLOPS | 82.58 TFLOPS (1:1) | 126.0 TFLOPS (1:1) |
| CUDA Cores | 16384 | 24064 |
| Tensor Cores | 512 (4th Gen) | 752 (5th Gen) |
| RT Cores | 128 (3rd Gen) | 188 (4th Gen) |
| Base Clock | 2235 MHz | 1860 MHz |
| Boost Clock | 2520 MHz | 2600 MHz |
| TDP | 450W | 400W |
| Process Node | TSMC 4N | TSMC 4N |
| Data Formats | FP8, INT8, BF16, FP16, TF32, FP32 | FP4, FP6, FP8, INT8, BF16, FP16, TF32, FP32 |
Compare Average On-Demand Pricing
| RTX 4090 | RTX Pro 6000 | |
|---|---|---|
| 1 GPU | $0.60 /hr | $1.70 /hr |
| 2 GPUs | $1.20 /hr | $3.30 /hr |
| 4 GPUs | $2.40 /hr | $6.60 /hr |
| 8 GPUs | $3.97 /hr | $14.11 /hr |
Frequently Asked Questions: RTX 4090 vs RTX Pro 6000
The main differences are VRAM (24 GB vs 96 GB), FP16 throughput (82.58 vs 126 TFLOPS), architecture (Ada Lovelace vs Blackwell). The RTX 4090 uses the Ada Lovelace architecture while the RTX Pro 6000 is based on Blackwell, giving each GPU different generational capabilities.
The RTX Pro 6000 is generally better for large language model training due to its higher throughput and 96 GB of VRAM, which allows fitting larger models or larger batch sizes in a single pass. For smaller models or fine-tuning tasks where cost matters more, both GPUs can be effective.
On Shadeform, the RTX 4090 is available from $0.60/hr. The RTX Pro 6000 starts from $1.25/hr. Prices vary by provider, region, and contract length. Reserved commitments can reduce hourly costs significantly compared to on-demand pricing.
The RTX Pro 6000 has more VRAM at 96 GB, compared to 24 GB on the RTX 4090. Higher VRAM allows you to run larger models without quantization, use longer context windows, and process larger batch sizes — all of which improve throughput and reduce latency for memory-bound workloads.
Based on TFLOPS per dollar, the RTX 4090 offers better raw compute value at current Shadeform on-demand rates. However, the best choice depends on your specific workload — if you need the extra VRAM or throughput of the RTX Pro 6000, paying the premium may be justified by faster job completion and lower total cost.
The RTX Pro 6000 is currently available across 7 cloud providers on Shadeform's network, compared to 3 for the RTX 4090. Shadeform lets you deploy either GPU across all available providers from a single platform, so you can always find available capacity without manually checking each cloud.
Mixing different GPU types in a single training cluster is generally not recommended, as it creates performance bottlenecks where faster GPUs wait for slower ones. For best results, use a homogeneous cluster of either RTX 4090 or RTX Pro 6000. Shadeform supports on-demand clusters of up to 64 GPUs of the same type with no commitment required.
Explore RTX 4090 & RTX Pro 6000 Instances
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