AMD Radeon RX 6900 XT vs NVIDIA L20

VS

AMD Radeon RX 6900 XT NVIDIA L20

We compared two Desktop platform GPUs: 16GB VRAM Radeon RX 6900 XT and 48GB VRAM L20 to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA L20 's Advantages

Released 3 years and 1 months late

Boost Clock has increased by 12% (2520MHz vs 2250MHz)

More VRAM (48GB vs 16GB)

Larger VRAM bandwidth (864.0GB/s vs 512.0GB/s)

6656 additional rendering cores

Lower TDP (275W vs 300W)

Score

Benchmark

FP32 (float)

Radeon RX 6900 XT

23.04 TFLOPS

L20 +157%

59.35 TFLOPS

Radeon RX 6900 XT

VS

L20

Graphics Card

Oct 2020

Release Date

Nov 2023

Navi II

Generation

Tesla Ada

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 4.0 x16

Clock Speeds

1825 MHz

Base Clock

1440 MHz

2250 MHz

Boost Clock

2520 MHz

2000 MHz

Memory Clock

2250 MHz

Memory

16GB

Memory Size

48GB

GDDR6

Memory Type

GDDR6

256bit

Memory Bus

384bit

512.0GB/s

Bandwidth

864.0GB/s

Render Config

-

SM Count

92

80

Compute Units

-

5120

Shading Units

11776

320

TMUs

368

128

ROPs

128

-

Tensor Cores

368

80

RT Cores

92

128 KB per Array

L1 Cache

128 KB (per SM)

4 MB

L2 Cache

96 MB

Theoretical Performance

288.0 GPixel/s

Pixel Rate

322.6 GPixel/s

720.0 GTexel/s

Texture Rate

927.4 GTexel/s

46.08 TFLOPS

FP16 (half)

59.35 TFLOPS

23.04 TFLOPS

FP32 (float)

59.35 TFLOPS

1440 GFLOPS

FP64 (double)

927.4 GFLOPS

Graphics Processor

Navi 21

GPU Name

AD102

Navi 21 XTX (215-121000167)

GPU Variant

AD102

RDNA 2.0

Architecture

Ada Lovelace

TSMC

Foundry

TSMC

7 nm

Process Size

5 nm

26.8 billion

Transistors

76.3 billion

520 mm²

Die Size

609 mm²

Board Design

300W

TDP

275W

700 W

Suggested PSU

600 W

1x HDMI 2.1 2x DisplayPort 1.4a 1x USB Type-C

Outputs

4x DisplayPort 1.4a

2x 8-pin

Power Connectors

1x 16-pin

Graphics Features

12 Ultimate (12_2)

DirectX

12 Ultimate (12_2)

4.6

OpenGL

4.6

2.1

OpenCL

3.0

1.3

Vulkan

1.3

-

CUDA

8.9

6.5

Shader Model

6.7

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