The GTX 1080 Ti is newer, with 5.5x the memory and 17x the bandwidth.

At a glance

Memory

5.5x more on GTX 1080 Ti

GTX 1080 Ti
11 GB
K620
2 GB

Memory bandwidth

17x higher on GTX 1080 Ti

GTX 1080 Ti
484 GB/s
K620
29 GB/s

Cheapest on-demand

GTX 1080 Ti
$0.04 /GPU/hr
K620
--

Price comparison

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

Billing GTX 1080 Ti K620 Difference
On-demand -- /GPU/hr from $0.04 No on-demand listings
Reserved -- /GPU/hr from $0.08 (3 mo) No reserved listings
Spot -- /GPU/hr from $0.02 No spot listings

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, reserved and spot on the GTX 1080 Ti: 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

GTX 1080 Ti vs K620 price history

Weekly median on-demand price per GPU per hour

Last 17 months
Aggregating historical prices...

Specs comparison

Spec GTX 1080 Ti K620 Difference
Memory
Capacity 11 GB GDDR5X 2 GB DDR3 5.5x more on GTX 1080 Ti
Bandwidth 484 GB/s 29 GB/s 17x higher on GTX 1080 Ti
Bus width 352-bit 128-bit 2.8x wider on GTX 1080 Ti
Compute · dense
FP32 11.3 TFLOPS 0.9 TFLOPS 13x higher on GTX 1080 Ti
Platform
Interconnect PCIe only PCIe only
Board power 250 W 45 W 5.6x higher on GTX 1080 Ti
Released Q1 2017 Q3 2014 3 years newer on GTX 1080 Ti
Precision
Supported formats FP16FP32 FP32

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

Source: GTX 1080 Ti datasheet and K620 datasheet.

Where to rent them

Providers that rent these GPUs, with each one's cheapest rate. No provider we track offers both right now.

Provider GTX 1080 Ti K620
Vast.ai logo Vast.ai USA $0.06 /GPU/hr On-demand --
Salad logo Salad Distributed $0.0400 /GPU/hr On-demand --

Similar GPUs

Other comparisons in the same class.

Our data for Nvidia GTX 1080 Ti was last updated on Sept. 14, 2026, and for Nvidia K620 on Sept. 14, 2026.