The T4 is newer, with 8x the memory and 10x the bandwidth.

At a glance

Memory

8x more on T4

K620
2 GB
T4
16 GB

Memory bandwidth

10x higher on T4

K620
29 GB/s
T4
300 GB/s

Cheapest on-demand

K620
--
T4
$0.15 /GPU/hr

Price comparison

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

Billing K620 T4 Difference
On-demand No on-demand listings $0.64 /GPU/hr from $0.15
Reserved No reserved listings $0.43 /GPU/hr from $0.20 (36 mo)
Spot No spot listings $0.26 /GPU/hr from $0.06

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. Verify before provisioning. More on how we price.

Price history

K620 vs T4 price history

Weekly median on-demand price per GPU per hour

Last 17 months
Aggregating historical prices...

Specs comparison

Spec K620 T4 Difference
Memory
Capacity 2 GB DDR3 16 GB GDDR6 8x more on T4
Bandwidth 29 GB/s 300 GB/s 10x higher on T4
Bus width 128-bit 256-bit 2x wider on T4
Compute · dense
FP16 / BF16 Not supported 65 TFLOPS T4 only
INT8 Not supported 130 TOPS T4 only
FP32 0.9 TFLOPS 8.1 TFLOPS 9.4x higher on T4
Platform
Interconnect PCIe only PCIe only
Board power 45 W 70 W 56% higher on T4
Released Q3 2014 Q3 2018 4 years newer on T4
Precision
Supported formats FP32 FP16FP32INT4INT8

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

Source: K620 datasheet and T4 datasheet.

Where to rent them

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

0 providers list the K620 and 11 the T4. Every listing is on the K620 page and the T4 page.

Similar GPUs

Other comparisons in the same class.

Our data for Nvidia K620 was last updated on Sept. 14, 2026, and for Nvidia T4 on Sept. 14, 2026.