The H800 has 3.3x the memory and 4.6x the bandwidth.

At a glance

Memory

3.3x more on H800

H800
80 GB
RTX 4500 Ada
24 GB

Memory bandwidth

4.6x higher on H800

H800
2,000 GB/s
RTX 4500 Ada
432 GB/s

Cheapest on-demand

H800
--
RTX 4500 Ada
$0.36 /GPU/hr

Price comparison

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

Billing H800 RTX 4500 Ada Difference
On-demand No on-demand listings -- /GPU/hr from $0.36
Spot No spot listings -- /GPU/hr from $0.15

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 and spot on the RTX 4500 Ada: 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

H800 vs RTX 4500 Ada price history

Weekly median on-demand price per GPU per hour

Last 8 months
Aggregating historical prices...

Specs comparison

Spec H800 RTX 4500 Ada Difference
Memory
Capacity 80 GB HBM2e 24 GB GDDR6 3.3x more on H800
Bandwidth 2,000 GB/s 432 GB/s 4.6x higher on H800
Bus width 5,120-bit 192-bit 27x wider on H800
Compute · dense
FP8 1,513 TFLOPS 317 TFLOPS 4.8x higher on H800
FP16 / BF16 756.5 TFLOPS 158.5 TFLOPS 4.8x higher on H800
INT8 1,513 TOPS
FP32 51 TFLOPS 39.6 TFLOPS 29% higher on H800
Platform
Interconnect NVLink 400 GB/s PCIe only NVLink on H800 only
Board power 350 W 210 W 67% higher on H800
Released Q1 2023 Q3 2023
Precision
Supported formats FP8FP16BF16TF32FP32FP64INT8 FP8FP16BF16TF32FP32INT4INT8

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

Source: RTX 4500 Ada 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 H800 RTX 4500 Ada
Vast.ai logo Vast.ai USA -- $0.36 /GPU/hr On-demand

Similar GPUs

Other comparisons in the same class.

Our data for Nvidia H800 was last updated on Sept. 14, 2026, and for Nvidia RTX 4500 Ada on Sept. 14, 2026.