Nvidia P40 vs Nvidia RTX PRO 4000 SFF

The RTX PRO 4000 SFF is newer and has 25% more bandwidth, with the same 24 GB of memory.

At a glance

Memory

Identical

P40: 24 GB

RTX PRO 4000 SFF: 24 GB

Memory bandwidth

25% higher on RTX PRO 4000 SFF

P40: 346 GB/s

RTX PRO 4000 SFF: 432 GB/s

Cheapest on-demand

P40: --

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	P40	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.

Price history

P40 vs RTX PRO 4000 SFF price history

Weekly median on-demand price per GPU per hour

Last 13 months

Aggregating historical prices...

Specs comparison

Spec	P40	RTX PRO 4000 SFF	Difference
Memory
Capacity	24 GB GDDR5	24 GB GDDR7	Identical
Bandwidth	346 GB/s	432 GB/s	25% higher on RTX PRO 4000 SFF
Bus width	384-bit	192-bit	2x wider on P40
Compute · dense
FP4	Not supported	385 TFLOPS	RTX PRO 4000 SFF only
FP8	Not supported	192.5 TFLOPS	RTX PRO 4000 SFF only
FP16 / BF16		96.3 TFLOPS
INT8	47 TOPS	192.5 TOPS	4.1x higher on RTX PRO 4000 SFF
FP32	12 TFLOPS	24 TFLOPS	2x higher on RTX PRO 4000 SFF
Platform
Interconnect	PCIe only	PCIe only
Board power	250 W	70 W	3.6x higher on P40
Released	Q3 2016	Q3 2025	9 years newer on RTX PRO 4000 SFF
Precision
Supported formats	FP16FP32INT8	FP4FP8FP16BF16TF32FP32INT8