COMPARE / RTX 4090D VS RTX 5090
RTX 4090D vs RTX 5090
Specs from the chip makers' datasheets; prices from the live Compute Cafe panel, refreshed hourly. Every rate is an on-demand published price with a source receipt.
CHEAPEST RTX 4090D
$0.294/hr
Suanjia Cloud · median $0.31 · 2 providers
CHEAPEST RTX 5090
$0.190/hr
SpotGPUs · median $0.70 · 26 providers
CHEAPER RIGHT NOW
RTX 5090
live panel, 2026-09-27
| RTX 4090D | RTX 5090 | |
|---|---|---|
| MAKER | NVIDIA | NVIDIA |
| ARCHITECTURE | Ada Lovelace | Blackwell |
| LAUNCHED | 2023 | 2025 |
| MEMORY | 24 GB GDDR6X | 32 GB GDDR7 |
| MEMORY BANDWIDTH | 1,008 GB/s | 1.79 TB/s |
| TENSOR COMPUTE | ~49 TFLOPS FP32 (export-restricted variant of the 4090) | Blackwell tensor cores with FP4; ~3,352 AI TOPS (FP4 sparse) |
| POWER DRAW | 425 W | 575 W |
| INTERCONNECT | PCIe 4.0 x16 | PCIe 5.0 x16 |
HOW TO CHOOSE
RTX 4090D vs RTX 5090
The 5090 adds 8 GB of much faster GDDR7 and Blackwell tensor cores - a clear upgrade where its price premium is small.
Workload fit
RTX 4090D: llm inference to ~13b, fine-tuning. RTX 5090: small-model inference, fine-tuning, fp4 experimentation.
RTX 4090D VS RTX 5090 - FAQ
Which is cheaper to rent, RTX 4090D or RTX 5090?
By today's published on-demand rates: RTX 4090D starts at $0.294/GPU/hr (median $0.31, 2 providers) and RTX 5090 starts at $0.190/GPU/hr (median $0.70, 26 providers). The cheapest live listing is the RTX 5090 at SpotGPUs. Figures recompute from the panel on every refresh.
RTX 4090D or RTX 5090 - which should I rent?
RTX 4090D: The 4090D is the export-compliant variant of the RTX 4090 sold in restricted markets: slightly reduced compute, the same 24 GB of fast GDDR6X. RTX 5090: The RTX 5090 is the consumer Blackwell flagship: 32 GB of fast GDDR7 (1.79 TB/s), FP4/FP8 tensor support, and roughly 4090-plus-30% real-world AI throughput. The side-by-side spec table and live price rows above give the full picture.
Where can I rent RTX 4090D and RTX 5090?
2 providers publish RTX 4090D rates and 26 publish RTX 5090 rates on Compute Cafe. Every row links to the provider's own published price - committed-use and reserved rates are excluded.
Full pricing: RTX 4090D · RTX 5090 · all comparisons