Two Nvidia consumer GPUs, one Ampere and one Ada Lovelace: 10 GB GDDR6X against 16 GB GDDR6X and 6% more memory bandwidth on the RTX 3080.
At a glance
Updated 5 minutes ago- Memory
- 10 GB
- GDDR6X
- Memory bandwidth
- 760 GB/s
- From
- $0.10 /GPU/hr
- 5 providers
- Memory
- 16 GB
- GDDR6X
- Memory bandwidth
- 717 GB/s
- From
- $0.13 /GPU/hr
- 7 providers
Price comparison
Cheapest listed price per GPU per hour by billing type, and the median across providers.
| Billing | RTX 3080 | RTX 4080 | Difference |
|---|---|---|---|
| On-demand | $0.10 | $0.13 | 27% cheaper on RTX 3080 |
| Spot | $0.06 | $0.11 | 46% cheaper on RTX 3080 |
| Reserved | $0.12 | No reserved listings | |
| Median | $0.16 | $0.26 | 39% cheaper on RTX 3080 |
Median: Median across providers, one vote each, so a large catalog does not outweigh a small one.
Price history
RTX 3080 vs RTX 4080 price history
Weekly median on-demand price per GPU per hour
Specs comparison
| Spec | RTX 3080 | RTX 4080 | Difference |
|---|---|---|---|
| Memory | |||
| Capacity | 10 GB GDDR6X | 16 GB GDDR6X | 1.6x more on RTX 4080 |
| Bandwidth | 760 GB/s | 717 GB/s | 1.1x higher on RTX 3080 |
| Bus width | 320-bit | 256-bit | 1.2x wider on RTX 3080 |
| Compute · dense | |||
| FP8 | Not supported | 194.9 TFLOPS | RTX 4080 only |
| FP16 / BF16 | 59.5 TFLOPS | 97.5 TFLOPS | 1.6x higher on RTX 4080 |
| INT8 | 238 TOPS | 389.9 TOPS | 1.6x higher on RTX 4080 |
| FP32 | 29.8 TFLOPS | 48.7 TFLOPS | 1.6x higher on RTX 4080 |
| Platform | |||
| Interconnect | PCIe only | PCIe only | |
| Board power | 320 W | 320 W | Identical |
| Released | Q3 2020 | Q4 2022 | 2 years newer on RTX 4080 |
| Precision | |||
| Supported formats | FP16BF16TF32FP32INT4INT8 | FP8FP16BF16TF32FP32INT4INT8 | |
Figures are for each model's headline configuration. Where a form factor carries a different number, it is named under the figure.
Compute: Vendor peak figures, dense and per GPU. Not measured throughput.
Source: RTX 3080 datasheet and RTX 4080 datasheet.
Where to rent them
Providers listing these GPUs, those with both first, so you can switch without moving clouds.
| Provider | RTX 3080 /GPU/hr | RTX 4080 /GPU/hr |
|---|---|---|
Vast.ai
|
On-Demand $0.10 | On-Demand $0.13 |
GPU.ai
|
On-Demand $0.10 | On-Demand $0.27 |
Salad
|
On-Demand $0.18 | On-Demand $0.28 |
Theta EdgeCloud
|
On-Demand $0.20 | On-Demand $0.26 |
Runpod
|
On-Demand $0.17 | On-Demand $0.27 |
GPUhub
|
-- | On-Demand $0.25 |
SwissGPU
|
-- | On-Demand $0.25 |
Similar GPUs
Other comparisons in the same class.
Our data for Nvidia RTX 3080 was last updated on Sept. 7, 2026, and for Nvidia RTX 4080 on Sept. 7, 2026.