AMD Radeon RX 7800 XT vs Nvidia B100

The B100 is newer, with 12x the memory and 13x the bandwidth.

At a glance

Memory

12x more on B100

Radeon RX 7800 XT: 16 GB

B100: 192 GB

Memory bandwidth

13x higher on B100

Radeon RX 7800 XT: 624 GB/s

B100: 8,000 GB/s

Cheapest on-demand

Radeon RX 7800 XT: $0.13 /GPU/hr

B100: --

Price comparison

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

Billing	Radeon RX 7800 XT	B100	Difference
On-demand	-- /GPU/hr from $0.13	No on-demand listings
Spot	-- /GPU/hr from $0.04	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 and spot on the Radeon RX 7800 XT: we only show one when at least 3 providers list the GPU on that billing type. Verify before provisioning. More on how we price.

Specs comparison

Spec	Radeon RX 7800 XT	B100	Difference
Memory
Capacity	16 GB GDDR6	192 GB HBM3e	12x more on B100
Bandwidth	624 GB/s	8,000 GB/s	13x higher on B100
Bus width	256-bit
Compute · dense
FP4	Not supported	7,000 TFLOPS	B100 only
FP8	Not supported	3,500 TFLOPS	B100 only
FP16 / BF16	74.6 TFLOPS	1,750 TFLOPS	23x higher on B100
INT8	74.6 TOPS	3,500 TOPS	47x higher on B100
FP32	37.3 TFLOPS	60 TFLOPS	61% higher on B100
FP64	Not supported	30 TFLOPS	B100 only
Platform
Interconnect	PCIe only	NVLink 1,800 GB/s	NVLink on B100 only
Released	Q3 2023	Q4 2024	14 months newer on B100
Precision
Supported formats	FP16BF16FP32INT4INT8	FP4FP6FP8FP16BF16TF32FP32FP64INT8