NVIDIA L40 vs NVIDIA A40

Comparative analysis of NVIDIA L40 and NVIDIA A40 videocards for all known characteristics in the following categories: Essentials, Technical info, Video outputs and ports, Compatibility, dimensions and requirements, API support, Memory. Benchmark videocards performance analysis: Geekbench - OpenCL, PassMark - G2D Mark, PassMark - G3D Mark.

NVIDIA L40

NVIDIA A40

Differences

Reasons to consider the NVIDIA L40

Videocard is newer: launch date 2 year(s) 0 month(s) later
Around 43% higher boost clock speed: 2490 MHz vs 1740 MHz
Around 69% higher pipelines: 18176 vs 10752
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 5 nm vs 8 nm
Around 24% higher memory clock speed: 2250 MHz, 18 Gbps effective vs 1812 MHz (14.5 Gbps effective)
Around 71% better performance in Geekbench - OpenCL: 331026 vs 193656

Specifications (specs)
Launch date	13 Oct 2022 vs 5 Oct 2020
Boost clock speed	2490 MHz vs 1740 MHz
Pipelines	18176 vs 10752
Manufacturing process technology	5 nm vs 8 nm
Memory clock speed	2250 MHz, 18 Gbps effective vs 1812 MHz (14.5 Gbps effective)
Benchmarks
Geekbench - OpenCL	331026 vs 193656

Reasons to consider the NVIDIA A40

Around 78% higher core clock speed: 1305 MHz vs 735 MHz
413.4x more texture fill rate: 584.6 GTexel/s vs 1,414 GTexel/s

Core clock speed	1305 MHz vs 735 MHz
Texture fill rate	584.6 GTexel/s vs 1,414 GTexel/s

Compare benchmarks

GPU 1: NVIDIA L40
GPU 2: NVIDIA A40

Geekbench - OpenCL

GPU 1

GPU 2

331026

193656

Name	NVIDIA L40	NVIDIA A40
Geekbench - OpenCL	331026	193656
PassMark - G2D Mark		627
PassMark - G3D Mark		14665

Compare specifications (specs)

	NVIDIA L40	NVIDIA A40
Essentials
Architecture	Ada Lovelace	Ampere
Code name	AD102	GA102
Launch date	13 Oct 2022	5 Oct 2020
Place in performance rating	2	58
Technical info
Boost clock speed	2490 MHz	1740 MHz
Core clock speed	735 MHz	1305 MHz
Manufacturing process technology	5 nm	8 nm
Pipelines	18176	10752
Pixel fill rate	478.1 GPixel/s	194.9 GPixel/s
Texture fill rate	1,414 GTexel/s	584.6 GTexel/s
Thermal Design Power (TDP)	300 Watt	300 Watt
Transistor count	76300 million	28300 million
Peak Double Precision (FP64) Performance		1169 GFLOPS (1:32)
Peak Half Precision (FP16) Performance		37.42 TFLOPS (1:1)
Peak Single Precision (FP32) Performance		37.42 TFLOPS
Video outputs and ports
Display Connectors	4x DisplayPort 1.4a	3x DisplayPort
Compatibility, dimensions and requirements
Form factor	Dual-slot	Dual-slot
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	267 mm, 10.5 inches	267 mm (10.5 inches)
Recommended system power (PSU)	700 Watt	700 Watt
Supplementary power connectors	1x 16-pin	8-pin EPS
Width	111 mm, 4.4 inches	112 mm (4.4 inches)
API support
DirectX	12 Ultimate (12_2)	12.2
OpenCL	3.0	3.0
OpenGL	4.6	4.6
Shader Model	6.7	6.6
Vulkan
Memory
Maximum RAM amount	48 GB	48 GB
Memory bandwidth	864.0 GB/s	695.8 GB/s
Memory bus width	384 bit	384 bit
Memory clock speed	2250 MHz, 18 Gbps effective	1812 MHz (14.5 Gbps effective)
Memory type	GDDR6	GDDR6