Nvidia L40S vs Nvidia RTX 4090

The L40S has 2x the memory, while the RTX 4090 has 17% more bandwidth. The RTX 4090 is typically cheaper.

At a glance

Memory

2x more on L40S

L40S: 48 GB

RTX 4090: 24 GB

Memory bandwidth

17% higher on RTX 4090

L40S: 864 GB/s

RTX 4090: 1,010 GB/s

Cheapest on-demand

40% cheaper on RTX 4090

L40S: $0.55 /GPU/hr

RTX 4090: $0.33 /GPU/hr

Price comparison

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

Billing	L40S	RTX 4090	Difference
On-demand	$1.57 /GPU/hr from $0.55	$0.45 /GPU/hr from $0.33	71% cheaper on RTX 4090
Reserved	$1.09 /GPU/hr from $0.60 (12 mo)	$0.52 /GPU/hr from $0.36 (1 mo)	53% cheaper on RTX 4090
Spot	$0.98 /GPU/hr from $0.55	$0.37 /GPU/hr from $0.16	62% cheaper on RTX 4090

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. Verify before provisioning. More on how we price.

Price history

L40S vs RTX 4090 price history

Weekly median on-demand price per GPU per hour

Last 12 months

Aggregating historical prices...

Specs comparison

Spec	L40S	RTX 4090	Difference
Memory
Capacity	48 GB GDDR6	24 GB GDDR6X	2x more on L40S
Bandwidth	864 GB/s	1,010 GB/s	17% higher on RTX 4090
Bus width	384-bit	384-bit	Identical
Compute · dense
FP8	733 TFLOPS	330.3 TFLOPS	2.2x higher on L40S
FP16 / BF16	362.1 TFLOPS	165.2 TFLOPS	2.2x higher on L40S
INT8	733 TOPS	660.6 TOPS	11% higher on L40S
FP32	91.6 TFLOPS	82.6 TFLOPS	11% higher on L40S
Platform
Interconnect	PCIe only	PCIe only
Board power	350 W	450 W	29% higher on RTX 4090
Released	Q3 2023	Q4 2022	10 months newer on L40S
Precision
Supported formats	FP8FP16BF16TF32FP32INT4INT8	FP8FP16BF16TF32FP32INT4INT8

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

Source: L40S datasheet and RTX 4090 datasheet.

Where to rent them

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

Provider	L40S	RTX 4090
Vast.ai USA	$0.61 /GPU/hr On-demand	$0.36 /GPU/hr On-demand
GPU.ai UAE	$0.61 /GPU/hr On-demand	$0.34 /GPU/hr On-demand
Runpod USA	$0.79 /GPU/hr On-demand	$0.34 /GPU/hr On-demand
Packet·ai USA	$0.92 /GPU/hr On-demand	$0.39 /GPU/hr On-demand
Novita USA	$0.55 /GPU/hr On-demand	--
Sesterce France	$0.97 /GPU/hr On-demand	--
Massed Compute USA	$0.97 /GPU/hr On-demand	--
Runcrate USA	$1.14 /GPU/hr On-demand PCIe	--
Salad Distributed	--	$0.33 /GPU/hr On-demand
Theta EdgeCloud Distributed	--	$0.38 /GPU/hr On-demand
GPUhub Singapore	--	$0.44 /GPU/hr On-demand
Lium Distributed	--	$0.58 /GPU/hr On-demand