NVIDIA GeForce RTX 3080 Ti 20 GB vs AMD Radeon 550X

VS

NVIDIA GeForce RTX 3080 Ti 20 GB

AMD Radeon 550X

We compared two Desktop platform GPUs: 20GB VRAM GeForce RTX 3080 Ti 20 GB and 2GB VRAM Radeon 550X to see which GPU has better performance in key specifications, benchmark tests, power consumption, etc.

Main Differences

NVIDIA GeForce RTX 3080 Ti 20 GB 's Advantages

Released 2 years and 10 months late

Boost Clock has increased by 37% (1665MHz vs 1218MHz)

More VRAM (20GB vs 2GB)

Larger VRAM bandwidth (760.3GB/s vs 112.0GB/s)

9728 additional rendering cores

AMD Radeon 550X 's Advantages

Lower TDP (50W vs 350W)

Score

Benchmark

FP32 (float)

GeForce RTX 3080 Ti 20 GB +2634%

34.1 TFLOPS

Radeon 550X

1.247 TFLOPS

GeForce RTX 3080 Ti 20 GB

VS

Radeon 550X

Graphics Card

Jan 2022

Release Date

Mar 2019

GeForce 30

Generation

Polaris

Desktop

Type

Desktop

PCIe 4.0 x16

Bus Interface

PCIe 3.0 x8

Clock Speeds

1335 MHz

Base Clock

1082 MHz

1665 MHz

Boost Clock

1218 MHz

1188 MHz

Memory Clock

1750 MHz

Memory

20GB

Memory Size

2GB

GDDR6X

Memory Type

GDDR5

320bit

Memory Bus

128bit

760.3GB/s

Bandwidth

112.0GB/s

Render Config

-

Compute Units

8

80

SM Count

-

10240

Shading Units

512

320

TMUs

32

112

ROPs

16

320

Tensor Cores

-

80

RT Cores

-

128 KB (per SM)

L1 Cache

16 KB (per CU)

6 MB

L2 Cache

512 KB

-

Theoretical Performance

186.5 GPixel/s

Pixel Rate

19.49 GPixel/s

532.8 GTexel/s

Texture Rate

38.98 GTexel/s

34.10 TFLOPS

FP16 (half)

1247 GFLOPS

34.10 TFLOPS

FP32 (float)

1247 GFLOPS

532.8 GFLOPS

FP64 (double)

77.95 GFLOPS

Board Design

350W

TDP

50W

750 W

Suggested PSU

250 W

1x HDMI 2.1 3x DisplayPort 1.4a

Outputs

1x DVI 1x HDMI 2.0b 1x DisplayPort 1.4a

1x 12-pin

Power Connectors

None

Graphics Processor

GA102

GPU Name

Lexa

GA102-225-A1

GPU Variant

Lexa PRO (215-0904018)

Ampere

Architecture

GCN 4.0

Samsung

Foundry

GlobalFoundries

8 nm

Process Size

14 nm

28.3 billion

Transistors

2.2 billion

628 mm²

Die Size

103 mm²

Graphics Features

12 Ultimate (12_2)

DirectX

12 (12_0)

4.6

OpenGL

4.6

3.0

OpenCL

2.1

1.3

Vulkan

1.2

8.6

CUDA

-

6.6

Shader Model

6.4

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