Nvidia B100 vs Nvidia RTX PRO 4000 SFF

The B100 has 8x the memory and 19x the bandwidth.

At a glance

Memory

8x more on B100

B100: 192 GB

RTX PRO 4000 SFF: 24 GB

Memory bandwidth

19x higher on B100

B100: 8,000 GB/s

RTX PRO 4000 SFF: 432 GB/s

Cheapest on-demand

B100: --

RTX PRO 4000 SFF: $0.38 /GPU/hr

Price comparison

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

Billing	B100	RTX PRO 4000 SFF	Difference
On-demand	No on-demand listings	-- /GPU/hr from $0.38

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 on the RTX PRO 4000 SFF: 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	B100	RTX PRO 4000 SFF	Difference
Memory
Capacity	192 GB HBM3e	24 GB GDDR7	8x more on B100
Bandwidth	8,000 GB/s	432 GB/s	19x higher on B100
Bus width		192-bit
Compute · dense
FP4	7,000 TFLOPS	385 TFLOPS	18x higher on B100
FP8	3,500 TFLOPS	192.5 TFLOPS	18x higher on B100
FP16 / BF16	1,750 TFLOPS	96.3 TFLOPS	18x higher on B100
INT8	3,500 TOPS	192.5 TOPS	18x higher on B100
FP32	60 TFLOPS	24 TFLOPS	2.5x higher on B100
FP64	30 TFLOPS	Not supported	B100 only
Platform
Interconnect	NVLink 1,800 GB/s	PCIe only	NVLink on B100 only
Released	Q4 2024	Q3 2025	9 months newer on RTX PRO 4000 SFF
Precision
Supported formats	FP4FP6FP8FP16BF16TF32FP32FP64INT8	FP4FP8FP16BF16TF32FP32INT8