COMPARE / RTX 4080 SUPER VS RTX 4090
RTX 4080 Super vs RTX 4090
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 4080 SUPER
$0.090/hr
SpotGPUs · median $7.20 · 4 providers
CHEAPEST RTX 4090
$0.090/hr
SpotGPUs · median $0.48 · 38 providers
CHEAPER RIGHT NOW
RTX 4080 Super
live panel, 2026-09-27
| RTX 4080 SUPER | RTX 4090 | |
|---|---|---|
| MAKER | NVIDIA | NVIDIA |
| ARCHITECTURE | Ada Lovelace | Ada Lovelace |
| LAUNCHED | 2024 | 2022 |
| MEMORY | 16 GB GDDR6X | 24 GB GDDR6X |
| MEMORY BANDWIDTH | 736 GB/s | 1.0 TB/s |
| TENSOR COMPUTE | 52 TFLOPS FP32 class (10,240 CUDA cores, fourth-gen Tensor Cores) | 330 TFLOPS FP16 tensor dense (660 sparse); FP8 supported |
| POWER DRAW | 320 W | 450 W |
| INTERCONNECT | PCIe 4.0 x16 | PCIe 4.0 x16 |
HOW TO CHOOSE
RTX 4080 Super vs RTX 4090
The real decision: the 4090 gives you 24 GB and 1,008 GB/s for a higher hourly rate. If your model fits in 16 GB, the 4080 Super is the value play; if it does not, no core-count comparison saves you - take the 4090.
Workload fit
RTX 4080 Super: mid-size inference, rendering and creative work, fine-tuning. RTX 4090: small-model inference, fine-tuning 7b-13b, image generation.
RTX 4080 SUPER VS RTX 4090 - FAQ
Which is cheaper to rent, RTX 4080 Super or RTX 4090?
By today's published on-demand rates: RTX 4080 Super starts at $0.090/GPU/hr (median $7.20, 4 providers) and RTX 4090 starts at $0.090/GPU/hr (median $0.48, 38 providers). The cheapest live listing is the RTX 4080 Super at SpotGPUs. Figures recompute from the panel on every refresh.
RTX 4080 Super or RTX 4090 - which should I rent?
RTX 4080 Super: The RTX 4080 Super is the full AD103 die: 10,240 CUDA cores and 16 GB at 736 GB/s for 320 W, launched cheaper than the 4080 it replaced. RTX 4090: The RTX 4090 is the consumer card that built the budget GPU-cloud market: L40S-class FP16 throughput at a fraction of the price, limited by 24 GB of memory, no ECC, and no datacenter software features. The side-by-side spec table and live price rows above give the full picture.
Where can I rent RTX 4080 Super and RTX 4090?
4 providers publish RTX 4080 Super rates and 38 publish RTX 4090 rates on Compute Cafe. Every row links to the provider's own published price - committed-use and reserved rates are excluded.
Full pricing: RTX 4080 Super · RTX 4090 · all comparisons