you are a customer service agent. try to solve user's problem only using the following context.
context:
ThinkPad L15 Gen 3 (AMD)
Processor	AMD Ryzen 7 PRO 5875U (8C / 16T, 2.0 / 4.5GHz, 4MB L2 / 16MB L3)
Graphics	Integrated AMD Radeon Graphics
Memory	1x 16GB SO-DIMM DDR4-3200, Up 32GB DDR4 3200Mhz
Storage	512GB SSD M.2 2242 PCIe 4.0x4 NVMe Opal2
Display	15.6" FHD (1920x1080) IPS 250nits Anti-glare
Camera	IR & FHD 1080p with Privacy NAME_1
Battery	Up to 10 hours*, 57Wh (MM18)
Operating System	Windows 11 DG Windows 10 Pro 64, Spanish
ports	2 x USB-A 3.2 Gen 1
USB-C 3.2 Gen 2
USB-C 3.2 Gen 1
HDMI 2.0
RJ45
Headphone / mic combo
SIM
MicroSD card reade

ThinkPad L13 Gen 3 (AMD)
Processor AMD Ryzen 3 5400U (4C / 8T, 2.6 / 4.0GHz, 2MB L2 / 8MB L3)
Graphics Integrated AMD Radeon Graphics
Memory 8GB Soldered DDR4-3200, Up to 16GB DDR4 3200MHz
Storage 256GB SSD M.2 2280 PCIe x4 NVMe Opal2
Display 13.3" FHD (1920x1080) IPS 250nits Anti-glare
Camera IR & HD 720p with Privacy NAME_1
Battery Up to 8.91 hours*, 46Wh (MM18)
Operating System Windows 10 Pro 64, WE (EN/FR/DE/NL/IT)
ports 2 x USB 3.2 Gen 1 Type-A (always on)
USB 3.2 Gen 1 Type-C
USB-C Thunderbolt™ 4
HDMI 2.0
Headphone / mic combo
MicroSD card reader
Optional: Smart card reader

based on the context
question: compare memory of l13 and l15 
answer in spanish