Two Nvidia consumer GPUs on the Ampere architecture: 12 GB GDDR6X against 24 GB GDDR6X and 11% more memory bandwidth on the RTX 3090 Ti.
At a glance
Updated 10 minutes ago- Memory
- 12 GB
- GDDR6X
- Memory bandwidth
- 912 GB/s
- From
- $0.20 /GPU/hr
- 3 providers
- Memory
- 24 GB
- GDDR6X
- Memory bandwidth
- 1.01 TB/s
- From
- $0.28 /GPU/hr
- 2 providers
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | RTX 3080 Ti | RTX 3090 Ti | Difference |
|---|---|---|---|
| On-demand | $0.20 | $0.28 | 29% cheaper on RTX 3080 Ti |
| Spot | $0.08 | $0.10 | 20% cheaper on RTX 3080 Ti |
| Median | $0.53 | $0.28 | 47% cheaper on RTX 3090 Ti |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
RTX 3080 Ti vs RTX 3090 Ti price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | RTX 3080 Ti | RTX 3090 Ti | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 12 GB GDDR6X | 24 GB GDDR6X | 2x more on RTX 3090 Ti |
| Bandwidth | 912 GB/s | 1,008 GB/s | 1.1x higher on RTX 3090 Ti |
| Bus width | 384-bit | 384-bit | Identical |
| Compute · dense | |||
| FP16 / BF16 | 68.2 TFLOPS | 80 TFLOPS | 1.2x higher on RTX 3090 Ti |
| INT8 | 272.8 TOPS | 320 TOPS | 1.2x higher on RTX 3090 Ti |
| FP32 | 34.1 TFLOPS | 40 TFLOPS | 1.2x higher on RTX 3090 Ti |
| Platform | |||
| Interconnect | PCIe only | PCIe only | |
| Board power | 350 W | 450 W | 1.3x higher on RTX 3090 Ti |
| Released | Q2 2021 | Q1 2022 | 10 months newer on RTX 3090 Ti |
| Precision | |||
| Supported formats | FP16BF16TF32FP32INT4INT8 | FP16BF16TF32FP32INT4INT8 | |
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: RTX 3080 Ti datasheet and RTX 3090 Ti datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | RTX 3080 Ti /GPU/hr | RTX 3090 Ti /GPU/hr |
|---|---|---|
|
|
On-Demand $0.20 | On-Demand $0.28 |
|
|
On-Demand $0.18 | On-Demand $0.27 |
|
|
On-Demand $0.79 | -- |
Similar GPUs
Other comparisons in the same class.
Our data for Nvidia RTX 3080 Ti was last updated on Sept. 7, 2026, and for Nvidia RTX 3090 Ti on Sept. 7, 2026.