The L40 has 2x the memory and 29% more bandwidth. The RTX PRO 4000 is newer and cheaper right now.

At a glance

Memory

2x more on L40

L40
48 GB
RTX PRO 4000
24 GB

Memory bandwidth

29% higher on L40

L40
864 GB/s
RTX PRO 4000
672 GB/s

Cheapest on-demand

56% cheaper on RTX PRO 4000

L40
$0.46 /GPU/hr
RTX PRO 4000
$0.20 /GPU/hr

Price comparison

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

Billing L40 RTX PRO 4000 Difference
On-demand $1.05 /GPU/hr from $0.46 -- /GPU/hr from $0.20
Reserved -- /GPU/hr from $0.70 -- /GPU/hr from $0.26 (24 mo)
Spot $0.78 /GPU/hr from $0.40 -- /GPU/hr from $0.11

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 reserved on the L40 and on-demand, reserved and spot on the RTX PRO 4000: 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

L40 vs RTX PRO 4000 price history

Weekly median on-demand price per GPU per hour

Last 12 months
Aggregating historical prices...

Specs comparison

Spec L40 RTX PRO 4000 Difference
Memory
Capacity 48 GB GDDR6 24 GB GDDR7 2x more on L40
Bandwidth 864 GB/s 672 GB/s 29% higher on L40
Bus width 384-bit 192-bit 2x wider on L40
Compute · dense
FP4 Not supported 589 TFLOPS RTX PRO 4000 only
FP8 362 TFLOPS 294.5 TFLOPS 23% higher on L40
FP16 / BF16 181.1 TFLOPS 147.3 TFLOPS 23% higher on L40
INT8 362 TOPS 294.5 TOPS 23% higher on L40
FP32 90.5 TFLOPS 37 TFLOPS 2.4x higher on L40
Platform
Interconnect PCIe only PCIe only
Board power 300 W 145 W 2.1x higher on L40
Released Q4 2022 Q1 2025 2 years newer on RTX PRO 4000
Precision
Supported formats FP8FP16BF16TF32FP32INT4INT8 FP4FP8FP16BF16TF32FP32INT8

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

Source: L40 datasheet and RTX PRO 4000 datasheet.

Where to rent them

Providers that rent these GPUs, with each one's cheapest rate. Providers that rent both are listed first.

13 providers list the L40 and 3 the RTX PRO 4000. Every listing is on the L40 page and the RTX PRO 4000 page.

Similar GPUs

Other comparisons in the same class.

Our data for Nvidia L40 was last updated on Sept. 14, 2026, and for Nvidia RTX PRO 4000 on Sept. 14, 2026.