Nvidia RTX 3090 Ti vs Nvidia RTX 5080

Two Nvidia consumer GPUs, one Ampere and one Blackwell: 24 GB GDDR6X against 16 GB GDDR7 and 5% more memory bandwidth on the RTX 3090 Ti.

At a glance

Updated 8 minutes ago

Nvidia RTX 3090 Ti

Nvidia RTX 5080

Cheapest listed price per GPU per hour by billing type, and the median across providers.

Billing	RTX 3090 Ti	RTX 5080	Difference
On-demand	$0.28	$0.12	2.4x more expensive on RTX 3090 Ti
Spot	$0.10	$0.17	42% cheaper on RTX 3090 Ti
Median	$0.28	$0.36	23% cheaper on RTX 3090 Ti

Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.

Weekly median on-demand price per GPU per hour

Last 12 months

Aggregating historical prices...

Spec	RTX 3090 Ti	RTX 5080	Difference
Memory
Capacity	24 GB GDDR6X	16 GB GDDR7	1.5x more on RTX 3090 Ti
Bandwidth	1,008 GB/s	960 GB/s	1.1x higher on RTX 3090 Ti
Bus width	384-bit	256-bit	1.5x wider on RTX 3090 Ti
Compute · dense
FP4	Not supported	900.4 TFLOPS	RTX 5080 only
FP8	Not supported	225.1 TFLOPS	RTX 5080 only
FP16 / BF16	80 TFLOPS	112.6 TFLOPS	1.4x higher on RTX 5080
INT8	320 TOPS	450.2 TOPS	1.4x higher on RTX 5080
FP32	40 TFLOPS	56.3 TFLOPS	1.4x higher on RTX 5080
Platform
Interconnect	PCIe only	PCIe only
Board power	450 W	360 W	1.2x higher on RTX 3090 Ti
Released	Q1 2022	Q1 2025	3 years newer on RTX 5080
Precision
Supported formats	FP16BF16TF32FP32INT4INT8	FP4FP8FP16BF16TF32FP32INT8

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

Providers listing these GPUs, those with both first, so you can switch without moving clouds.