The RTX 5090 is newer, with 60% more memory and 6.4x the bandwidth, and is cheaper right now.

At a glance

Memory

60% more on RTX 5090

RTX 4000 SFF Ada
20 GB
RTX 5090
32 GB

Memory bandwidth

6.4x higher on RTX 5090

RTX 4000 SFF Ada
280 GB/s
RTX 5090
1,792 GB/s

Cheapest on-demand

17% cheaper on RTX 5090

RTX 4000 SFF Ada
$0.42 /GPU/hr
RTX 5090
$0.35 /GPU/hr

Price comparison

Median price per GPU per hour by billing type, with the cheapest listing under it.

Billing RTX 4000 SFF Ada RTX 5090 Difference
On-demand -- /GPU/hr from $0.42 $0.70 /GPU/hr from $0.35
Reserved No reserved listings $0.59 /GPU/hr from $0.21 (1 mo)
Spot No spot listings $0.47 /GPU/hr from $0.25

Heads up: A provider's own page may quote a different figure, for example on tax, region or a promotion. A monthly-only plan shows a derived hourly rate. Medians are across providers, one vote each, so a large catalog does not outweigh a small one. No median for on-demand on the RTX 4000 SFF Ada: we only show one when at least 3 providers list the GPU on that billing type. Verify before provisioning. More on how we price.

Price history

RTX 4000 SFF Ada vs RTX 5090 price history

Weekly median on-demand price per GPU per hour

Last 12 months
Aggregating historical prices...

Specs comparison

Spec RTX 4000 SFF Ada RTX 5090 Difference
Memory
Capacity 20 GB GDDR6 32 GB GDDR7 60% more on RTX 5090
Bandwidth 280 GB/s 1,792 GB/s 6.4x higher on RTX 5090
Bus width 160-bit 512-bit 3.2x wider on RTX 5090
Compute · dense
FP4 Not supported 1,676 TFLOPS RTX 5090 only
FP8 153.4 TFLOPS 419 TFLOPS 2.7x higher on RTX 5090
FP16 / BF16 76.7 TFLOPS 209.5 TFLOPS 2.7x higher on RTX 5090
INT8 838 TOPS
FP32 19.2 TFLOPS 104.8 TFLOPS 5.5x higher on RTX 5090
Platform
Interconnect PCIe only PCIe only
Board power 70 W 575 W 8.2x higher on RTX 5090
Released Q2 2023 Q1 2025 2 years newer on RTX 5090
Precision
Supported formats FP8FP16BF16TF32FP32INT4INT8 FP4FP8FP16BF16TF32FP32INT8

Compute: Vendor peak figures, dense and per GPU. Not measured throughput.

Source: RTX 4000 SFF Ada datasheet and RTX 5090 datasheet.

Where to rent them

Providers that rent these GPUs, with each one's cheapest rate. Providers that rent both are listed first.

3 providers list the RTX 4000 SFF Ada and 23 the RTX 5090. Every listing is on the RTX 4000 SFF Ada page and the RTX 5090 page.

Similar GPUs

Other comparisons in the same class.

Our data for Nvidia RTX 4000 SFF Ada was last updated on Sept. 14, 2026, and for Nvidia RTX 5090 on Sept. 14, 2026.