NVIDIA L20 vs NVIDIA RTX 4000 Ada Generation

VS

NVIDIA L20

NVIDIA RTX 4000 Ada Generation

We compared two Desktop platform GPUs: 48GB VRAM L20 and 20GB VRAM RTX 4000 Ada Generation to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages

Boost Clock has increased by 16% (2520MHz vs 2175MHz)

More VRAM (48GB vs 20GB)

Larger VRAM bandwidth (864.0GB/s vs 360.0GB/s)

5632 additional rendering cores

NVIDIA RTX 4000 Ada Generation 's Advantages

Lower TDP (130W vs 275W)

Score

Benchmark

FP32 (float)

L20 +122%

59.35 TFLOPS

RTX 4000 Ada Generation

26.73 TFLOPS

L20

VS

RTX 4000 Ada Generation

Graphics Card

Nov 2023

Release Date

Aug 2023

Tesla Ada

Generation

Quadro Ada(x000A)

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1440 MHz

Base Clock

1500 MHz

2520 MHz

Boost Clock

2175 MHz

2250 MHz

Memory Clock

2250 MHz

Memory

48GB

Memory Size

20GB

GDDR6

Memory Type

GDDR6

384bit

Memory Bus

160bit

864.0GB/s

Bandwidth

360.0GB/s

Render Config

-

92

SM Count

48

11776

Shading Units

6144

368

TMUs

192

128

ROPs

80

368

Tensor Cores

192

92

RT Cores

48

128 KB (per SM)

L1 Cache

128 KB (per SM)

96 MB

L2 Cache

48 MB

-

Theoretical Performance

322.6 GPixel/s

Pixel Rate

174.0 GPixel/s

927.4 GTexel/s

Texture Rate

417.6 GTexel/s

59.35 TFLOPS

FP16 (half)

26.73 TFLOPS

59.35 TFLOPS

FP32 (float)

26.73 TFLOPS

927.4 GFLOPS

FP64 (double)

417.6 GFLOPS

Board Design

275W

TDP

130W

600 W

Suggested PSU

300 W

4x DisplayPort 1.4a

Outputs

4x DisplayPort 1.4a

1x 16-pin

Power Connectors

1x 16-pin

Graphics Processor

AD102

GPU Name

AD104

AD102

GPU Variant

-

Ada Lovelace

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

5 nm

Process Size

5 nm

76.3 billion

Transistors

35.8 billion

609 mm²

Die Size

294 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

3.0

OpenCL

3.0

1.3

Vulkan

1.3

8.9

CUDA

8.9

6.7

Shader Model

6.8

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