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Nvidia H800 vs Nvidia RTX 4500 Ada

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
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RTX 4500 Ada
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Price comparison

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

Price history

H800 vs RTX 4500 Ada price history

Weekly median on-demand price per GPU per hour

Last 9 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.

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