Nvidia H20 vs Nvidia K620

The H20 is newer, with 48x the memory and 138x the bandwidth.

At a glance

Memory

48x more on H20

H20: 96 GB

K620: 2 GB

Memory bandwidth

138x higher on H20

H20: 4,000 GB/s

K620: 29 GB/s

Cheapest on-demand

H20: --

K620: --

Price comparison

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

Price history

H20 vs K620 price history

Weekly median on-demand price per GPU per hour

Last 11 months

Aggregating historical prices...

Specs comparison

Spec	H20	K620	Difference
Memory
Capacity	96 GB HBM3	2 GB DDR3	48x more on H20
Bandwidth	4,000 GB/s	29 GB/s	138x higher on H20
Bus width		128-bit
Platform
Interconnect	PCIe only	PCIe only
Board power	400 W	45 W	8.9x higher on H20
Released	Q1 2024	Q3 2014	9 years newer on H20
Precision
Supported formats	FP8FP16BF16TF32FP32FP64INT8	FP32

Source: K620 datasheet.

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Other comparisons in the same class.

Nvidia H100 80 GB HBM3 · 16% less bandwidth than the H20
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Nvidia A100 80 GB HBM2e · 52% less bandwidth than the H20
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Nvidia L40S 48 GB GDDR6 · 78% less bandwidth than the H20
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Nvidia T1000 4 GB GDDR6 · 5.5x the bandwidth of the K620
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Nvidia P600 2 GB GDDR5 · 2.2x the bandwidth of the K620
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Our data for Nvidia H20 was last updated on Sept. 14, 2026, and for Nvidia K620 on Sept. 14, 2026.