NVIDIA L40 vs NVIDIA GeForce RTX 4080

Comparative analysis of NVIDIA L40 and NVIDIA GeForce RTX 4080 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, 3DMark Fire Strike - Graphics Score, CompuBench 1.5 Desktop - Face Detection (mPixels/s), CompuBench 1.5 Desktop - T-Rex (Frames/s), CompuBench 1.5 Desktop - Video Composition (Frames/s).

NVIDIA L40

NVIDIA GeForce RTX 4080

Differences

Reasons to consider the NVIDIA L40

Around 87% higher pipelines: 18176 vs 9728
Around 7% lower typical power consumption: 300 Watt vs 320 Watt
3x more maximum memory size: 48 GB vs 16 GB
Around 61% higher memory clock speed: 2250 MHz, 18 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Around 39% better performance in Geekbench - OpenCL: 332005 vs 239144

Specifications (specs)
Pipelines	18176 vs 9728
Thermal Design Power (TDP)	300 Watt vs 320 Watt
Maximum memory size	48 GB vs 16 GB
Memory clock speed	2250 MHz, 18 Gbps effective vs 1400 MHz, 22.4 Gbps effective
Benchmarks
Geekbench - OpenCL	332005 vs 239144

Reasons to consider the NVIDIA GeForce RTX 4080

3x more core clock speed: 2205 MHz vs 735 MHz
Around 1% higher boost clock speed: 2505 MHz vs 2490 MHz
538.5x more texture fill rate: 761.5 GTexel/s vs 1,414 GTexel/s
A newer manufacturing process allows for a more powerful, yet cooler running videocard: 4 nm vs 5 nm

Core clock speed	2205 MHz vs 735 MHz
Boost clock speed	2505 MHz vs 2490 MHz
Texture fill rate	761.5 GTexel/s vs 1,414 GTexel/s
Manufacturing process technology	4 nm vs 5 nm

Compare benchmarks

GPU 1: NVIDIA L40
GPU 2: NVIDIA GeForce RTX 4080

Geekbench - OpenCL

GPU 1

GPU 2

332005

239144

Name	NVIDIA L40	NVIDIA GeForce RTX 4080
Geekbench - OpenCL	332005	239144
PassMark - G2D Mark		1233
PassMark - G3D Mark		34627
3DMark Fire Strike - Graphics Score		28260
CompuBench 1.5 Desktop - Face Detection (mPixels/s)		722.769
CompuBench 1.5 Desktop - T-Rex (Frames/s)		72.795
CompuBench 1.5 Desktop - Video Composition (Frames/s)		272.641

Compare specifications (specs)

	NVIDIA L40	NVIDIA GeForce RTX 4080
Essentials
Architecture	Ada Lovelace	Ada Lovelace
Code name	AD102	AD103
Launch date	13 Oct 2022	20 Sep 2022
Place in performance rating	2	7
Technical info
Boost clock speed	2490 MHz	2505 MHz
Core clock speed	735 MHz	2205 MHz
Manufacturing process technology	5 nm	4 nm
Pipelines	18176	9728
Pixel fill rate	478.1 GPixel/s	280.6 GPixel/s
Texture fill rate	1,414 GTexel/s	761.5 GTexel/s
Thermal Design Power (TDP)	300 Watt	320 Watt
Transistor count	76300 million	45900 million
Peak Double Precision (FP64) Performance		761.5 GFLOPS (1:64)
Peak Half Precision (FP16) Performance		48.74 TFLOPS (1:1)
Peak Single Precision (FP32) Performance		48.74 TFLOPS
Video outputs and ports
Display Connectors	4x DisplayPort 1.4a	1x HDMI 2.1, 3x DisplayPort 1.4a
Compatibility, dimensions and requirements
Form factor	Dual-slot	Triple-slot
Interface	PCIe 4.0 x16	PCIe 4.0 x16
Length	267 mm, 10.5 inches	310 mm, 12.2 inches
Recommended system power (PSU)	700 Watt	700 Watt
Supplementary power connectors	1x 16-pin	1x 16-pin
Width	111 mm, 4.4 inches	140 mm, 5.5 inches
Height		61 mm, 2.4 inches
API support
DirectX	12 Ultimate (12_2)	12 Ultimate (12_2)
OpenCL	3.0	3.0
OpenGL	4.6	4.6
Shader Model	6.7	6.7
Vulkan
Memory
Maximum RAM amount	48 GB	16 GB
Memory bandwidth	864.0 GB/s	716.8 GB/s
Memory bus width	384 bit	256 bit
Memory clock speed	2250 MHz, 18 Gbps effective	1400 MHz, 22.4 Gbps effective
Memory type	GDDR6	GDDR6X